1
AAT3696
DATA SHEET
1.6A Li-Ion Battery Charger in a 3x3 TDFN Package
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
201897B • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • April 27, 2012
General Description
The AAT3696 BatteryManager™ is a single-cell lithium-
ion (Li-Ion)/Li-Polymer battery charger IC designed to
operate from USB ports or AC adapter up to an input
voltage of 6.5V or 6.05V (depending on the option1). For
increased safety, the AAT3696 also includes over-voltage
input protection (OVP) up to 28V.
The AAT3696 precisely regulates battery voltage after it
has reached 4.2V or 4.375V (depending on the option1)
Li-Ion/Polymer battery cells through an extremely low
RDS(ON) switch. The charging current can be set by an
external resistor up to 1.6A. In case an over-voltage
condition occurs from the input, a series switch quickly
opens and a fault flag is activated to prevent damage to
the battery and charging circuitry.
Other fault conditions are monitored in real time. In case
of an over-current, battery over-voltage, short circuit, or
over-temperature failure, the device will automatically
shut down, thus protecting the charging device, control
system, and the battery under charge. A status monitor-
ing output pin (STAT) is provided to indicate charging
activity. This open-drain output pin can be used to drive
an external LED as a charging indicator. The AAT3696
has two charge termination mode selections when the
battery voltage has reached the constant voltage level
VCO(REG) and the charging current has decreased the ter-
mination current level.
The AAT3696 offers a 4.9V/30mA LDO linear regulator.
This regulator is enabled all the time regardless of the
status of the charger and protected by the OVP switch.
The AAT3696 is available in the Pb-free, thermally
enhanced, space-saving 3x3mm TDFN33-12 package and
is rated over the -40°C to +85°C temperature range.
Features
• USB or AC Adapter System Power Charger
• 3.0V ~ 6.5V or 6.05V Input Voltage Range
• 2.8V Typical Under-Voltage Lockout Threshold
• Fast Over-Voltage Protection Turn Off
• Two OVP Turn-On Delay Time Options:
40s
80ms
• Two OVP Trip Point Options:
Protection Trip at 6.75V
Protection Trip at 6.25V
• High Level of Integration with Internal:
Power Device
Reverse Current Blocking
Current Sensing
• 4.9V/30mA LDO Output Through Over-Voltage
Protection Device
• Programmable Current from 100mA to 1.6A Max
• Charge Status Indicator
• Automatic Recharge Sequencing
• Automatic Trickle Charge For Battery Pre-Conditioning
• Emergency Thermal Shutdown Protection
• Power on Reset and Soft Start
• Active Low Enable with Internal 200k Pull-Down
Resistor
• Two Charge Termination Control Selections:
Manual: Continuous Battery Charging Until Charge
Termination by Enable Pin
Automatic: Battery Charging is Terminated with
Transition to Sleep State
• 12-pin 3x3mm TDFN Package
Applications
• Bluetooth™ Headsets, Headphones, Accessories
• Digital Still Cameras
• Mobile Telephones
• MP3 Players
• Personal Data Assistants (PDAs)
1. Please refer to Table 9 on page 19 for complete list of options.
2
AAT3696
DATA SHEET
1.6A Li-Ion Battery Charger in a 3x3 TDFN Package
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
201897B • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • April 27, 2012
Typical Application
BATT-
VADP
Battery
Pack
BATT+
STAT
GND
BAT
LDOOUT
RSET
ISET
IN
OVPFLG
OVPFLG
LDOOUT
System
INCHR
INCHR
BATS
1μF
10μF
2.2μF
10kΩ
2.2μF
IC
ON/OFF EN
MODE
AAT3696
Pin Descriptions
Pin # Name Type Function
1 INCHR I/O Output of over-voltage protection (OVP) stage and input to battery charger. Decouple to GND
with 2.2F capacitor.
2 IN I Input from USB port or AC adapter.
3 LDOOUT O 4.9V/30mA LDO output through OVP device. Bypass to GND with 2.2F capacitor.
4OVPFLG O Over-voltage fault fl ag, open drain, active low.
5STAT O Charge status indicator pin, open drain, active low.
6 MODE I
MODE selection pin (internal connect with a 200k pull-up resistor to INCHR). Factory default
at 10% termination current if MODE is open or connect to INCHR. Continues to charge if
MODE is connect to GND.
7 GND I/O Power ground.
8 EN I Active low enable pin (internal connect with a 200k pull-down resistor).
9 ISET I Connect RSET resistor here to set adaptor or USB charging current.
10 IC I Internally connected through 100k resistor to GND. Leave this pin open.
11 BATS I Battery voltage remote sense input.
12 BAT O Connect to Li-Ion battery.
EP
Exposed paddle (bottom); The exposed thermal pad (EP) should be connected to board
ground plane and pin 7. The ground plane should include a large exposed copper pad under
the package for thermal dissipation (see package outline).
Pin Configuration
TDFN33-12
(Top View)
INCHR
IN
LDOOUT
1
OVPFLG
STAT
MODE
BAT
BATS
IC
ISET
EN
GND
2
3
4
5
6
12
11
10
9
8
7
3
AAT3696
DATA SHEET
1.6A Li-Ion Battery Charger in a 3x3 TDFN Package
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
201897B • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • April 27, 2012
Absolute Maximum Ratings1
Symbol Description Value Units
VIN IN continuous -0.3 to 30 V
VPINCHR, EN, STAT, OVPFLG, MODE -0.3 to 7.5 V
VNBAT, BATS, LDOOUT, ISET, IC -0.3 to VP + 0.3 V
TJJunction Temperature Range -40 to 150 °C
TAOperating Temperature Range -40 to 85 °C
TLEAD Maximum Soldering Temperature (at Leads) 300 °C
Thermal Information2
Symbol Description Value Units
JA Maximum Thermal Resistance (TDFN33-12) 50 °C/W
PDMaximum Power Dissipation 2 W
1. Stresses above those listed in Absolute Maximum Ratings may cause permanent damage to the device. Functional operation at conditions other than the operating conditions
specified is not implied. Only one Absolute Maximum Rating should be applied at any one time.
2. Mounted on an FR4 board.
4
AAT3696
DATA SHEET
1.6A Li-Ion Battery Charger in a 3x3 TDFN Package
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
201897B • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • April 27, 2012
Electrical Characteristics1
VIN = 5V, TA = -40 to +85°C, RSET = 3.16k, VMODE = 0V, BAT = BATS, unless otherwise noted. Typical values are at TA
= 25°C
Symbol Description Conditions Min Typ Max Units
Operation
VIN_MAX Input Over-Voltage Protection Range 28 V
VIN Normal Operating Input Voltage Range2, 3 Refer to Table 4 3.0 6.5 V
Refer to Table 4 3.0 6.05
IOP Operating Current RSET = 15.8 k, VEN = 0V, VIN = 5V 0.5 0.6 mA
ISD
Charge Function Shutdown Supply
Current (OVP function still active) VIN =VEN = 5.5V 160 220 A
IBAT Leakage Current from BAT Pin VBAT = 4V, IN Pin Open 0 1 A
Over-Voltage Protection
VOVPT
Over-Voltage Protection Trip Point2, 3 VIN Rising Edge; Refer to Table 4 6.5 6.75 7.0 V
VIN Rising Edge; Refer to Table 4 6.05 6.25 6.45
Hysteresis 100 mV
VDO_OVP
Dropout Voltage between IN and INCHR
Pins VIN = 5V, ILOAD@BAT = 1000mA, RSET = 1k 200 mV
Battery Charger
VUVLO
Under-Voltage Lockout Threshold VIN Rising edge 2.5 2.8 3.0 V
UVLO Hysteresis 150 mV
VDO_CHARGE
Dropout Voltage between INCHR and BAT
Pins VIN = 4.2V, ILOAD@BAT = 1000mA, RSET = 1k200 mV
VBOVP Battery Over-Voltage Protection Threshold 4.4 V
Voltage Regulation
VCO (REG) Constant Output Voltage2, 3 Refer to Table 4 4.20 V
Refer to Table 4 4.375
VCO/VCO Constant Output Voltage Tolerance TA = 25°C -0.5 +0.5 %
TA = -40°C to +85°C -1 +1 %
VRCH Battery Recharge Voltage Threshold MODE = High VCO(REG)
- 0.1 V
VMIN Preconditioning Voltage Threshold2, 3 Refer to Table 4 2.4 2.6 2.8 V
Refer to Table 4 2 2.2 2.4
Current Regulation
ICC_RANGE Charge Current Programmable Range 100 1600 mA
ICH_CC Constant-Current Mode Charge Current
RSET = 15.8k, VBAT = 3.6V -15% 110 +15% mA
RSET = 3.16k, VBAT = 3.6V -10% 500 +10% mA
RSET = 1.58k, VBAT = 3.6V -10% 1000 +10% mA
RSET = 1k, VBAT = 3.6V -15% 1500 +15% mA
VISET ISET Pin Voltage TA = 25°C 1.98 2 2.02 V
TA = -40°C to +85°C 1.9 2 2.1
KIISET Charge Current Set Factor: ICH_CC/IISET VBAT = 3.6V 790
ICH_TRK Trickle Charge Current VBAT = 2.3V 12 %
ICH_CC
ICH_TERM Charge Termination Threshold Current 10 %
ICH_CC
1. The AAT3696 is guaranteed to meet performance specifications over the -40°C to +85°C operating temperature range and is assured by design, characterization and correla-
tion with statistical process controls.
2. Only options -1, -2, -5, and -6 are available.
3. Please refer to Table 9 on page 19 for complete list of options.
5
AAT3696
DATA SHEET
1.6A Li-Ion Battery Charger in a 3x3 TDFN Package
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
201897B • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • April 27, 2012
Electrical Characteristics1
VIN = 5V, TA = -40 to +85°C, RISET = 3.16k, VMODE = 0V, BAT = BATS, unless otherwise noted. Typical values are at TA
= 25°C
Symbol Description Conditions Min Typ Max Units
Logic Control / Battery Protection
VEN(H), VMODE(H) Input High Threshold VIN = 5V 1.2 V
VEN(L), VMODE(L) Input Low Threshold 0.4 V
VSTAT Output Low Voltage STAT pin sinks 4mA 0.4 V
ISTAT STAT Pin Current Sink Capability 8mA
VOVPFLG Output Low Voltage OVPFLG pin sinks 4mA 0.4 V
IOVPFLG OVPFLG Pin Current Sink Capability 8mA
TDLY_OVPFLG
OVPFLG Assertion Delay Time from Over-
Voltage
From assertion of over-voltage
condition (OV) 1s
TRESPOV Over-Voltage Protection Response Time VIN voltage step up from 6V to 8V,
RLOAD = 100, CINCHR = 1F 0.5 s
TOVPR OVP Switch Turn-On Rise Time RLOAD = 100, CINCHR = 1F 100 s
TSHDN Chip Thermal Shutdown Temperature Threshold 140 ºC
Hysteresis 15
Options -1, -3, -5, -7, -9, -11, -13, -15
TRELDLY_OVPFLG_40sOVPFLG Release Delay Time From release of over-voltage
condition (OV) 1.5 s
TOVPON_40sOVP Switch OVP Release Delay Time VIN voltage step down from 8V to
6V, RLOAD = 100, CINCHR = 1F40 s
TOVPSTARTON_40sOVP Switch Start Up Delay Time VIN voltage step up from 0V to 5V,
RLOAD = 100, CINCHR = 1F150 250 s
Options -2, -4, -6, -8 , -10, -12, -14, -16
TRELDLY_OVPFLG_80ms OVPFLG Release Delay Time From release of over-voltage
condition (OV) 80 ms
TOVPON_80ms OVP Switch OVP Release Delay Time VIN voltage step down from 8V to
6V, RLOAD = 100, CINCHR = 1F80 ms
TOVPSTARTON_80ms OVP Switch Start Up Delay Time VIN voltage step up from 0V to 5V,
RLOAD = 100, CINCHR = 1F80 ms
Low Dropout Regulator (LDO)
VOUT LDO Output Voltage Tolerance
ILDOOUT = 1mA to
30mA, VIN = 5.1V
TA = 25°C 4.802 4.9 4.998
V
TA = -40°C
to 85°C 4.729 4.9 5.071
VIN = 5V, ILDOOUT = 50mA 4.4
VDO LDO Dropout Voltage ILDOOUT = 30mA, VIN =4.9V 200 300 mV
ILIM LDO Current Limit VOUT = 0V 75 mA
VOUT/VOUT*VIN LDO Line Regulation VIN = 5V to 6V or 5.4V to 6.4V,
ILDOOUT = 10mA 0.09 %/V
VOUT(Line) LDO Dynamic Line Regulation ILDOOUT = 30mA, VIN = 5V to 6V or
5.4V to 6.4V, TR/TF = 2s25 mV
VOUT(Load) LDO Dynamic Load Regulation ILDOOUT = 1mA to 30mA, TR <5s;
VIN = VOUT(NOM) +1V 60 mV
1. The AAT3696 is guaranteed to meet performance specifications over the -40°C to +85°C operating temperature range and is assured by design, characterization and correla-
tion with statistical process controls.
6
AAT3696
DATA SHEET
1.6A Li-Ion Battery Charger in a 3x3 TDFN Package
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
201897B • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • April 27, 2012
Typical Characteristics−Battery Charger
Constant Charging Current vs.
Set Resistor Values
RSET (KΩ
Ω
)
Constant Charging Current (mA)
1
10
100
1000
10000
1100.1 100
Operating Current vs. Set Resistor Values
RSET (KΩ
Ω
)
Operating Current (µA)
1100.1 100
0
300
600
900
1200
1500
1800
2100
2400
Constant Current Mode
Preconditioning Mode
Constant Charging Current vs. Battery Voltage
Battery Voltage (V)
Constant Charging Current (mA)
2.7 2.92.5 3.1 3.3 3.5 3.7 3.9 4.1 4.3
0
200
400
600
800
1000
1200 RSET = 1.58KΩ
RSET = 1.96KΩ
RSET = 2.67KΩ
RSET = 3.92KΩ
RSET = 7.87KΩ
Constant Charging Current vs. Temperature
(RSET = 1.58KΩ)
Temperature (°C)
Constant Charging Current (mA)
-15 10-40 35 60 85
990
994
998
1002
1006
1010
Constant Charging Current vs. Input Voltage
(RSET =1.58KΩ)
Input Voltage (V)
Constant Charging Current (mA)
4.5 5.04.0 5.5 6.0 6.5
700
750
800
850
900
950
1000
1050
VBAT = 3.3V
VBAT = 3.6V
VBAT = 3.9V
VBAT = 4.1V
Constant Charging Current vs. Input Voltage
(RSET = 3.16KΩ)
Input Voltage (V)
Constant Charging Current (mA)
4.5 5.04.0 5.5 6.0 6.5
400
420
440
460
480
500
520
540
560
580
VBAT = 3.3V
VBAT = 3.6V
VBAT = 3.9V
VBAT = 4.1V
7
AAT3696
DATA SHEET
1.6A Li-Ion Battery Charger in a 3x3 TDFN Package
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
201897B • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • April 27, 2012
Typical Characteristics−Battery Charger
Preconditioning Voltage Threshold
vs. Temperature
(RSET = 1.58KΩ)
Temperature (°C)
Preconditioning Voltage
Threshold (V)
-15 10-40 35 60 85
2.55
2.56
2.57
2.58
2.59
2.60
2.61
2.62
2.63
Preconditioning Charge Current
vs. Temperature
(RSET = 1.58KΩ; ICH_CC = 1000mA)
Temperature (°C)
Preconditioning Charge
Current (mA)
-15 10-40 35 60 85
80
85
90
95
100
105
110
115
120
Constant Output Voltage vs. Temperature
(RSET = 1.58KΩ)
Temperature (°C)
Constant Output Voltage (V)
-15 10-40 35 60 85
4.180
4.185
4.190
4.195
4.200
4.205
4.210
4.215
4.220
Constant Output Voltage vs. Input Voltage
(RSET =1.58KΩ)
Input Voltage (V)
Constant Output Voltage V)
5.3 5.65.0 5.9 6.2 6.5
4.190
4.192
4.194
4.196
4.198
4.200
4.202
4.204
4.206
4.208
4.210
Enable Input Low Voltage vs. Input Voltage
Input Voltage (V)
Enable Low Voltage (V)
4.5 5.04.0 5.5 6.0 6.5
0.60
0.63
0.66
0.69
0.72
0.75
0.78
0.81
0.84
85°C
25°C
-40°C
Enable Input High Voltage vs. Input Voltage
Input Voltage (V)
Enable High Voltage (V)
4.5 5.04.0 5.5 6.0 6.5
0.890
0.891
0.892
0.893
0.894
0.895
0.896
0.897
0.898
0.899
0.900
85°C
25°C
-40°C
8
AAT3696
DATA SHEET
1.6A Li-Ion Battery Charger in a 3x3 TDFN Package
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
201897B • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • April 27, 2012
Typical Characteristics−OVP
OVPFLG Assertion Delay Time
(RLOAD = 100Ω, OVP Trip Point 6.75V)
Time (1µs/div)
Input Voltage
(top) (V)
OVPFLG Voltage
(bottom) (V)
0
1
2
3
4
5
6
7
8
OVPFLG Assertion Delay Time
(RLOAD = 100Ω, OVP Trip Point 6.25V)
Time (1µs/div)
Input Voltage
(top) (V)
OVPFLG Voltage
(bottom) (V)
0
1
2
3
4
5
6
7
8
OVPFLG Release Delay Time
(RLOAD = 100Ω, OVP Trip Point 6.75V)
Time (50µs/div)
Input Voltage
(top) (V)
OVPFLG Voltage
(bottom) (V)
0
1
2
3
4
5
6
7
8
OVPFLG Release Delay Time
(RLOAD = 100Ω, OVP Trip Point 6.25V)
Time (50µs/div)
Input Voltage
(top) (V)
OVPFLG Voltage
(bottom) (V)
0
1
2
3
4
5
6
7
8
OVP Switch Release Delay Time
(RLOAD = 100Ω, All 40µs Delay Options)
Time (10µs/div)
Input Voltage
(top) (V)
INCHR Voltage
(bottom) (V)
4
6
8
10
-2
0
2
4
6
OVP Switch Release Delay Time
(RLOAD = 100Ω, All 80ms Delay Options)
Time (50ms/div)
Input Voltage
(top) (V)
INCHR Voltage
(bottom) (V)
0
2
4
6
8
10
0
2
4
6
8
10
12
9
AAT3696
DATA SHEET
1.6A Li-Ion Battery Charger in a 3x3 TDFN Package
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
201897B • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • April 27, 2012
Typical Characteristics−OVP
Over-Voltage Protection Response Time
(RLOAD = 100Ω, All 80ms Delay Options)
Time (50ms/div)
Input Voltage
(top) (V)
INCHR Voltage
(bottom) (V)
0
2
4
6
8
10
0
2
4
6
8
Over-Voltage Protection Response Time
(RLOAD = 100Ω, All 40µs Delay Options)
Time (10µs/div)
Input Voltage
(top) (V)
INCHR Voltage
(bottom) (V)
0
2
4
6
8
10
0
2
4
6
8
OVP Trip Point vs. Temperature
Temperature (°C)
OVP Trip Point (V)
-15 10-40 35 60 85
6.00
6.20
6.40
6.60
6.80
7.00
3696-1, -2
3696-5, -6
Battery Recharge Voltage Threshold
vs. Temperature
(RSET = 1.58KΩ)
Temperature (°C)
Battery Recharge
Voltage Threshold (V)
-15 10-40 35 60 85
4.070
4.075
4.080
4.085
4.090
4.095
4.100
4.105
4.110
10
AAT3696
DATA SHEET
1.6A Li-Ion Battery Charger in a 3x3 TDFN Package
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
201897B • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • April 27, 2012
Typical Characteristics−LDO
LDO Output Voltage Accuracy vs. Input Voltage
(ILDOOUT = 10mA)
Input Voltage (V)
Output Voltage Accuracy (%)
5.3 5.55.1 5.7 5.9 6.1 6.3 6.5
-0.20
-0.15
-0.10
-0.05
0.00
0.05
0.10
0.15
0.20
85°C
25°C
-40°C
LDO Output Voltage Accuracy vs. Input Voltage
(ILDOOUT = 30mA)
Input Voltage (V)
Output Voltage Accuracy (%)
5.3 5.55.1 5.7 5.9 6.1 6.3 6.5
-0.4
-0.3
-0.2
-0.1
0
0.1
0.2
0.3
0.4
85°C
25°C
-40°C
LDO Output Voltage Accuracy vs. Temperature
(ILDOOUT = 10mA)
Temperature (°C)
Output Voltage Accuracy (%)
-15 10-40 35 60 85
-1.000
-0.800
-0.600
-0.400
-0.200
0.000
0.200
0.400
0.600
0.800
1.000
LDO Output Voltage Accuracy vs. Temperature
(ILDOOUT = 30mA)
Temperature (°C)
Output Voltage Accuracy (%)
-15 10-40 35 60 85
-1.0
-0.8
-0.6
-0.4
-0.2
0.0
0.2
0.4
0.6
0.8
1.0
LDO Output Voltage vs. Temperature
(ILDOOUT = 10mA)
Temperature (°C)
Output Voltage (V)
-15 10-40 35 60 85
4.800
4.810
4.820
4.830
4.840
4.850
4.860
4.870
4.880
4.890
4.900
LDO Output Voltage Accuracy vs. Output Current
(VIN = 5.1V; VLDOOUT = 4.9V)
Output Current (mA)
Output Voltage Accuracy (%)
51001520253035
-0.7
-0.6
-0.5
-0.4
-0.3
-0.2
-0.1
0
0.1
85°C
25°C
-40°C
11
AAT3696
DATA SHEET
1.6A Li-Ion Battery Charger in a 3x3 TDFN Package
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
201897B • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • April 27, 2012
Typical Characteristics−LDO
LDO Load Transient
(VIN = 5.4V; ILDOOUT = 1mA to 30mA; COUT = 1µF)
Time (100µs/div)
Output Current
(top) (mA)
Output Voltage
(bottom) (mV)
0
20
40
60
-100
-50
0
50
100
LDO Load Transient
(VIN = 5.4V; ILDOOUT = 10mA to 30mA; CLDOOUT = 1µF)
Time (100µs/div)
Output Current
(top) (mA)
Output Voltage
(bottom) (mV)
0
20
40
60
-100
-50
0
50
100
LDO Line Transient
(VIN = 5.4V to 6.4V; ILDOOUT = 30mA; CLDOOUT = 1µF)
Time (100µs/div)
Input Voltage
(top) (V)
Output Voltage
(bottom) (V)
4
5
6
7
8
4.6
4.7
4.8
4.9
5
5.1
LDO Dropout Voltage vs. Output Current
Output Current (mA)
LDO Dropout Voltage (mV)
510015202530
0
50
100
150
200
250
300
85°C
25°C
-40°C
12
AAT3696
DATA SHEET
1.6A Li-Ion Battery Charger in a 3x3 TDFN Package
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
201897B • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • April 27, 2012
Functional Description
The AAT3696 is a high performance battery charger IC
designed to charge single-cell Lithium-Ion or Polymer
batteries with up to 1.6A of current from external power
source. It is a stand alone charging solution requiring
minimum input components. Also included a fast turn-off
over-voltage protection (OVP) circuits with +28V and
this OVP consist of a low resistance P-channel MOSFET
in series with the charge control MOSFET. The AAT3696
also designed with of under-voltage lockout protection,
over-voltage monitor, fast shut-down circuitry with a
fault output flag, and a 4.9V LDO with 30mA output
through the OVP switch.
Battery Charging Operation
Figure 1 illustrates the entire battery charging profile or
operation, which consist of three phases:
1. Preconditioning (Trickle) Charge
2. Constant Current Charge
3. Constant Voltage Charge
4. Automatic Recharge when MODE = High
Preconditioning Charge
Battery charging commences only after the AAT3696
checks several conditions in order to maintain a safe
charging environment. The input supply must be above
the minimum operating voltage, or under-voltage lock-
out threshold (VUVLO) and the enable pin must be low for
the charging sequence to begin. When these conditions
have been met and a battery is connected to the BAT
pin, the AAT3696 checks the state of the battery and
determines which charging mode to apply. If the battery
voltage is below the preconditioning voltage threshold
(VMIN), then the AAT3696 begins preconditioning the cell
(trickle charging) by charging at 10% of the programmed
constant current. For example, if the programmed fast
charge current is 1600mA, then the preconditioning
(trickle charge) current is 160mA. Battery cell precondi-
tioning is a safety precaution for deeply discharged cells
and will also reduce the power dissipation in the internal
series pass transistor when the voltage across the device
is at greatest potential.
Functional Block Diagram
Charge
Control
Current
Compare
Reverse Blocking
Constant
Current
BAT
ISET
UVLO
Over-Temp
Protect
4.9V/30mA
LDO
GND
OVP
Sense and
Control
STAT
IN
EN
CV/
Pre-charge
OVPFLG
LDOOUT
Charge
Status
INCHR
OVP
Switch
BATS
MODE
IC
13
AAT3696
DATA SHEET
1.6A Li-Ion Battery Charger in a 3x3 TDFN Package
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
201897B • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • April 27, 2012
Constant Current Charge
Battery cell preconditioning charge continues until the
battery voltage reaches the preconditioning voltage
threshold (VMIN). At this point, the AAT3696 begins con-
stant current charge. The current level for this mode is
programmed using a single resistor from the ISET pin to
ground. The programmed current can be set at a mini-
mum 100mA up to a maximum of 1.6A.
Constant Voltage Charge
Constant current charge will continue until the battery
voltage reaches the constant output voltage threshold,
VCO (REG). The AAT3696 will then transition to constant
voltage mode, where the charge IC regulates the battery
voltage at constant output voltage (factory programmed
to 4.2V or 4.375V). The charging current at this phase
will decrease until the charge termination current or
10% of the programmed constant current is reached.
The AAT3696 has two charge termination control selec-
tions which can be set by the MODE pin.
MODE = 0 (Ground or logic low)
The charger regulates battery voltage at 4.2V or 4.375V
optional voltage and continues to charge the battery
with a current lower than the programmed charge ter-
mination current until the AAT3696 is disabled by apply-
ing logic high to the EN pin to stop charging.
MODE = 1 (INCHR or logic high)
The charger turns off the series pass device and auto-
matically goes into a power-saving sleep state. During
this time, a series pass device blocks the current in both
directions, preventing the battery from discharging
through the IC. The AAT3696 will remain in sleep mode
until the battery voltage drops below the VRCH threshold
or the charger is enabled or input power is recycled. The
AAT3696 will resume charging operation if no fault is
detected.
ICH_TRK
ICH_CC
VMIN
Battery Voltage
Battery Current
Charger Turns ON
VRCH
ICH_TERM
Preconditioning Charge Constant Current Charge Constant Voltage Charge
Charger Turns OFF
When MODE = High
VCO(REG)
Battery Recharge
Charger Stays ON
When MODE = Low
EN
Figure 1: Current vs. Voltage Profile during Charging Phases.
14
AAT3696
DATA SHEET
1.6A Li-Ion Battery Charger in a 3x3 TDFN Package
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
201897B • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • April 27, 2012
Charger Operational Flowchart
V
CH >V
BAT
V
MIN
>V
BAT
IBAT
> I
MIN
No
No
Charge
Completed
Charge
Completed
Yes
ADP
Voltage
S
ADP > V
ADPP
Recharge Test
VBAT < VRCH
Preconditioning
Test
VMIN > VBAT
Current Phase Test
VCO(REG) > VBAT
Voltage Phase Test
IBAT > ITERM
No
No
Charge
Completed
Charge
Completed
Yes
Yes
Power Select
Power Input
Voltage
VIN>VUVLO ?
Sleep
Mode
Sleep
Mode
Sleep
Power On
Reset
Shut Down
Mode
Shut Down
Mode
Shut Down
Mode
Preconditioning
(Trickle Charge)
YesYes
Shut Down
Mode
Shut Down
Mode
Shut Down
Mode
Constant Current
Charge Mode
YesYes
YesYes Shut Down
Mode
Shut Down
Mode
Shut Down
Mode
Constant Voltage
Charge Mode
NoNo
Yes
No
OVP Condition
Monitoring
VIN VOVP
>
Shut Down
Mode
Shut Down
Mode
Shut Down
Mode
Disconnect Input
from charger
Yes
No
EN = High ?
No
No
Fault Conditions
Monitoring?
BOV, OT
Charge Suspended
IBAT
> I
MIN
Mode = 0 ? Shut Down
Mode
Shut Down
Mode
Shut Down
Mode
Continuously
Charging at
Constant Voltage
No
Yes
Yes
No
15
AAT3696
DATA SHEET
1.6A Li-Ion Battery Charger in a 3x3 TDFN Package
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
201897B • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • April 27, 2012
Charge Status Output
The AAT3696 provides battery charging status via a sta-
tus pin, STAT. This pin is internally connected to an
N-channel open-drain MOSFET, which can be used as a
logic signal, or drive an external LED. The charge status
indication pin (STAT) pulls high indicating charge com-
pletion or charge termination, regardless of the selection
of the charge termination mode, as long as the charge
termination current is reached.
The status pin indicates the following conditions described
in Table 1:
Charge Status Status
Battery is charging Low
Charging is completed High
When EN is high High
Table 1: LED Status Indicator.
Enable/Disable
The AAT3696 provides an enable function to control the
charger IC on and off. The enable (EN) pin is internally
pulled down with 200k. When EN is pulled down or left
floating, normal device operation commences. When it is
pulled to a logic high level, the AAT3696 charging circuit
will be shut down and forced into sleep state but the
over-voltage protection circuit remains in active state.
Charging will be halted regardless of the battery voltage
or charging state. When the device is re-enabled, the
charge control circuit will automatically reset and
resume charging functions with the appropriate charging
mode based on the battery charge state and measured
cell voltage at the BAT pin.
Low Dropout Regulator
The AAT3696 includes a low dropout regulator with input
range from 5V to the OVP trip point which is 6.75V or
6.25V and is always enabled. The LDO output VOUT is set
to 4.9V and supplies a continuous current up to 30mA.
The LDO output needs to be decoupled with 2.2F to
ground for stability reasons.
Over-Voltage Protection
In normal operation, an OVP switch acts as a load
switch, connecting the power source from IN to INCHR.
This switch is designed with very low resistance to min-
imize the voltage drop between the power source and
the charger and to reduce the power dissipation. When
the voltage on the power source exceeds the OVP trip
point, 6.75V or 6.25V respectively, the switch immedi-
ately becomes open (OFF) and disconnect the load and
the charger from the power source therefore, preventing
damage to any downstream components. Simultaneously,
the fault flag is raised, alerting the system. If an over-
voltage condition is applied at the time of the device
enable, the switch remains open (OFF).
Under-Voltage Lockout (UVLO)
The AAT3696 has a 3V (maximum) under-voltage lock-
out level (UVLO). When the input voltage is less than the
UVLO level, the OVP switch and the charger are turned
off. It is designed with 150mV hysteresis to ensure cir-
cuit stability.
Over-Voltage Fault Flag Output
The over-voltage fault flag (OVPFLG) is an active-low
open-drain fault reporting output. A pull-up resistor
should be connected from to I/O voltage of the system.
In the event of an over-voltage condition OVPFLG will be
asserted immediately with approximately 1s inherited
internal circuit delay. After the over-voltage fault is
released, OVPFLG will be de-asserted with 1.5s delay
(optional of 80ms delay).
Battery Over-Voltage Protection
An over-voltage event is defined as a condition where
the voltage at the BAT pin exceeds the maximum battery
charge voltage and is set by the battery over-voltage
protection threshold (VBOVP). If an overvoltage condition
occurs sensed by the BATS pin, the AAT3696 charge
control will shut down the device until voltage at the BAT
pin drops below VBOVP
. The AAT3696 will resume normal
charging operation after the over-voltage condition is
removed.
Over-Temperature Shutdown
The AAT3696 has a thermal protection control circuit
which will shut down charging functions if the internal
die temperature exceed the preset thermal limit thresh-
old of 140°C. Once the internal die temperature falls
below the thermal limit, normal operation will resume
the previous charging state.
16
AAT3696
DATA SHEET
1.6A Li-Ion Battery Charger in a 3x3 TDFN Package
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
201897B • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • April 27, 2012
Application Information
Constant Charge Current
The constant current charge level is user programmed
with a set resistor connected between the ISET pin and
ground. The accuracy of the constant charge current, as
well as the preconditioning trickle charge current, is
dominated by the tolerance of the set resistor used. For
this reason, a 1% tolerance metal film resistor is recom-
mended for the set resistor function. The constant
charge current levels from 100mA to 1.6A may be set by
selecting the appropriate value from Table 2.
Charge current setting formula:
ICH_CC (typ) = · KIISET
VISET
RSET
Constant Charge
Current (mA) Set Resistor Value (kΩ)
110 15.8
200 7.87
400 3.92
500 3.16
600 2.67
800 1.96
1000 1.58
1500 1.00
Table 2: RSET Values.
Figure 2 shows the relationship of constant charging cur-
rent and set resistor values for the AAT3696.
Charging Current vs. Set Resistor Values
R
SET
(kΩ
Ω
)
Charging Current (mA)
1
10
100
1000
10000
1100.1 100
Figure 2: Constant Charging Current
vs. Set Resistor Values.
Note: The ISET pin is very sensitive and if a total capac-
itive load of more than 20pF is connected, it may start
oscillating.
Battery Connection and
Battery Voltage Sensing
Battery Connection (BAT)
A single cell Li-Ion/Polymer battery should be connected
between BAT input and ground.
Battery Voltage Sensing (BATS)
The BATS pin is provided to employ an accurate voltage
sensing capability to measure the positive terminal volt-
age at the battery cell being charged. This function
reduces measured battery cell voltage error between the
battery terminal and the charge control IC. The AAT3696
charge control circuit will base charging mode states
upon the voltage sensed at the BATS pin. The BATS pin
must be connected to the battery terminal for correct
operation. If the battery voltage sense function is not
needed, the BATS pin should be terminated directly to
the BAT pin. If there is concern of the battery sense
function inadvertently becoming an open circuit, the
BATS pin may be terminated to the BAT pin using a 10k
resistor. Under normal operation, the connection to the
battery terminal will be close to 0; if the BATS connec-
tion becomes an open circuit, the 10k resistor will pro-
vide feedback to the BATS pin from the BAT connection
with a voltage sensing accuracy loss of 1mV or less.
Status Indicator Display
Simple system charging status states can be displayed
using one LED in conjunction with the STAT pin on the
AAT3696. This pin has a simple switch connecting the
LED’s cathode to ground. Refer to Table 1 for LED display
definitions. The LED anodes should be connected to VIN,
depending upon system design requirements. The LED
should be biased with as little current as necessary to
create reasonable illumination; therefore, a ballast resis-
tor should be placed between the LED cathode and the
STAT pin. LED current consumption will add to the over-
all thermal power budget for the device package, so it is
wise to keep the LED drive current to a minimum. 2mA
should be sufficient to drive most low cost green or red
LED. It is not recommended to exceed 8mA when driving
an individual status LED.
The required ballast resistor value can be estimated
using the following formulas:
When connecting to the adapter supply with a red LED:
RB(STAT) = VADP - VFLED
ILED(STAT)
17
AAT3696
DATA SHEET
1.6A Li-Ion Battery Charger in a 3x3 TDFN Package
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
201897B • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • April 27, 2012
Example:
RB(STAT) = = 1.75kΩ
5.5V - 2.0V
2mA
Red LED forward voltage (VF) is typically 2.0V @ 2mA.
When connecting to the USB supply with a green LED:
RB(STAT) = VUSB - VFLED
ILED(STAT)
Example:
RB(STAT) = = 900Ω
5.0V - 3.2V
2mA
Green LED forward voltage (VF) is typically 3.2V @ 2mA.
IC Input
The AAT3696 has an IC input pin which is internally con-
nected to ground through a 100k resistor.
Capacitor Selection
Input Capacitor
A 1F or larger capacitor is typically recommended for
CIN. CIN should be located as close to the device IN pin
as practically possible. Ceramic, tantalum, or aluminum
electrolytic capacitors may be selected for CIN. There is
no specific capacitor equivalent series resistance (ESR)
requirement for CIN. However, for higher current opera-
tion, ceramic capacitors are recommended for CIN due to
their inherent capability over tantalum capacitors to
withstand input current surges from low impedance
sources such as batteries in portable devices.
Typically, 50V rated capacitors are required for most of
the application to prevent any surge voltage. Ceramic
capacitors selected as small as 1206 are available which
can meet these requirements. Other voltage rating
capacitor can also be used for the known input voltage
application.
Charger Input Capacitor
A 2.2F decoupling capacitor is recommended to be
placed between INCHR and GND.
Charger Output Capacitor
The AAT3696 only requires a 1F ceramic capacitor on
the BAT pin to maintain circuit stability. This value
should be increased to 10F or more if the battery con-
nection is made any distance from the charger output. If
the AAT3696 is used in applications where the battery
can be removed from the charger, such as desktop
charging cradles, an output capacitor greater than 10F
may be required to prevent the device from cycling on
and off when no battery is present.
Linear Regulator Output Capacitor
For proper load voltage regulation and operational sta-
bility, a capacitor is required between LDOOUT and GND.
The output capacitor connection to the LDO regulator
ground pin should be made as directly as practically pos-
sible for maximum device performance. Since the regu-
lator has been designed to function with very low ESR
capacitors, ceramic capacitors in the 1.0F to 10F
range are recommended or best performance.
Applications utilizing the exceptionally low output noise
and optimum power supply ripple rejection of the
AAT3696 should use 2.2F or greater values for the
LDO’s output capacitor.
Printed Circuit Board
Layout Recommendations
For proper thermal management and to take advantage
of the low RDS(ON) of the AAT3696, a few circuit board
layout rules should be followed: IN and BAT should be
routed using wider than normal traces, and GND should
be connected to a ground plane. To maximize package
thermal dissipation and power handling capacity of the
AAT3696 TDFN3x3 package, solder the exposed paddle
of the IC onto the thermal landing of the PCB, where the
thermal landing is connected to the ground plane. If
heat is still an issue, multi-layer boards with dedicated
ground planes are recommended. Also, adding more
thermal vias on the thermal landing would help the heat
being transferred to the PCB effectively.
18
AAT3696
DATA SHEET
1.6A Li-Ion Battery Charger in a 3x3 TDFN Package
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
201897B • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • April 27, 2012
Figure 3: AAT3696 Evaluation Board Top Layer. Figure 4: AAT3696 Evaluation Board Bottom Layer.
1μF
C1 C2
2.2μF
C4
2.2μF
INCHR
EN
JP1 C3
10μF
1
2
VIN
GND
4V - 28V BAT
GND
1
2
Green LED
D2
Red LED
D1
1k
R2
1k
R3
R1
1.6k
MODE
JP2
LDO
+5
EN
8
GND
7
STAT
5
IN
2
IC 10
BATS 11
BAT 12
OVPFLG
4
ISET 9
MODE
6INCHR 1
LDOOUT 3
AAT3696
U1
Figure 5: AAT3696 Evaluation Board Schematic.
19
AAT3696
DATA SHEET
1.6A Li-Ion Battery Charger in a 3x3 TDFN Package
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
201897B • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • April 27, 2012
Component Part Number Description Manufacturer
U1 AAT3696IWP 1.6A Linear Li-Ion/Polymer Battery Charger in TDFN33-12 Package Skyworks
R1 Chip Resistor 1.6k, 1%, 1/4W; 0603 Vishay
R2, R3 Chip Resistor 1k, 5%, 1/4W; 0603 Vishay
C1 GRM31MR71H105KA88 Ceramic 1F 50V 10% X7R 1206 Murata
C2, C4 GRM188R61A225KE34 Ceramic 2.2F 10V 10% X5R 0603 Murata
C3 GRM21BR71A106KE51L Ceramic 10F 10V 10% X7R 0805 Murata
JP1, JP2 PRPN401PAEN Conn. Header, 2mm zip Sullins Electronics
D1 LTST-C190CKT Red LED; 0603 Lite-On Inc.
D2 LTST-C190GKT Green LED; 0603 Lite-On Inc.
Table 3: AAT3696 Evaluation Board Bill of Materials (BOM).
AAT3696 Feature Options
Product
Constant Voltage
Regulation (V)
OVP Trip Point
(V)
OVP Turn On Delay Time
(μs)
Preconditioning Voltage
Threshold (V)
AAT3696-1 4.2 6.75 40 2.6
AAT3696-2 4.2 6.75 80,000 2.6
AAT3696-3 4.375 6.75 40 2.6
AAT3696-4 4.375 6.75 80,000 2.6
AAT3696-5 4.2 6.25 40 2.6
AAT3696-6 4.2 6.25 80,000 2.6
AAT3696-7 4.375 6.25 40 2.6
AAT3696-8 4.375 6.25 80,000 2.6
AAT3696-9 4.2 6.75 40 2.2
AAT3696-10 4.2 6.75 80,000 2.2
AAT3696-11 4.375 6.75 40 2.2
AAT3696-12 4.375 6.75 80,000 2.2
AAT3696-13 4.2 6.25 40 2.2
AAT3696-14 4.2 6.25 80,000 2.2
AAT3696-15 4.375 6.25 40 2.2
AAT3696-16 4.375 6.25 80,000 2.2
Table 4: AAT3696 Options.
20
AAT3696
DATA SHEET
1.6A Li-Ion Battery Charger in a 3x3 TDFN Package
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
201897B • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • April 27, 2012
Ordering Information
Package Marking1Part Number (Tape and Reel)2, 3
TDFN33-12 6EXYY AAT3696IWP-1-T1
TDFN33-12 6FXYY AAT3696IWP-2-T1
TDFN33-12 AAT3696IWP-3-T1
TDFN33-12 AAT3696IWP-4-T1
TDFN33-12 6GXYY AAT3696IWP-5-T1
TDFN33-12 6HXYY AAT3696IWP-6-T1
TDFN33-12 AAT3696IWP-7-T1
TDFN33-12 AAT3696IWP-8-T1
TDFN33-12 AAT3696IWP-9-T1
TDFN33-12 AAT3696IWP-10-T1
TDFN33-12 AAT3696IWP-11-T1
TDFN33-12 AAT3696IWP-12-T1
TDFN33-12 AAT3696IWP-13-T1
TDFN33-12 AAT3696IWP-14-T1
TDFN33-12 AAT3696IWP-15-T1
TDFN33-12 AAT3696IWP-16-T1
Skyworks Green™ products are compliant with
all applicable legislation and are halogen-free.
For additional information, refer to Skyworks
Definition of Green™, document number
SQ04-0074.
1. XYY = assembly and date code.
2. Sample stock is generally held on part numbers listed in BOLD.
3. For detailed description of all options, refer to Table 4 on page 19.
21
AAT3696
DATA SHEET
1.6A Li-Ion Battery Charger in a 3x3 TDFN Package
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
201897B • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • April 27, 2012
Copyright © 2012 Skyworks Solutions, Inc. All Rights Reserved.
Information in this document is provided in connection with Skyworks Solutions, Inc. (“Skyworks”) products or services. These materials, including the information contained herein, are provided by Skyworks as a
service to its customers and may be used for informational purposes only by the customer. Skyworks assumes no responsibility for errors or omissions in these materials or the information contained herein. Sky-
works may change its documentation, products, services, specifi cations or product descriptions at any time, without notice. Skyworks makes no commitment to update the materials or information and shall have no
responsibility whatsoever for confl icts, incompatibilities, or other diffi culties arising from any future changes.
No license, whether express, implied, by estoppel or otherwise, is granted to any intellectual property rights by this document. Skyworks assumes no liability for any materials, products or information provided here-
under, including the sale, distribution, reproduction or use of Skyworks products, information or materials, except as may be provided in Skyworks Terms and Conditions of Sale.
THE MATERIALS, PRODUCTS AND INFORMATION ARE PROVIDED “AS IS” WITHOUT WARRANTY OF ANY KIND, WHETHER EXPRESS, IMPLIED, STATUTORY, OR OTHERWISE, INCLUDING FITNESS FOR A PARTICULAR
PURPOSE OR USE, MERCHANTABILITY, PERFORMANCE, QUALITY OR NON-INFRINGEMENT OF ANY INTELLECTUAL PROPERTY RIGHT; ALL SUCH WARRANTIES ARE HEREBY EXPRESSLY DISCLAIMED. SKYWORKS DOES
NOT WARRANT THE ACCURACY OR COMPLETENESS OF THE INFORMATION, TEXT, GRAPHICS OR OTHER ITEMS CONTAINED WITHIN THESE MATERIALS. SKYWORKS SHALL NOT BE LIABLE FOR ANY DAMAGES, IN-
CLUDING BUT NOT LIMITED TO ANY SPECIAL, INDIRECT, INCIDENTAL, STATUTORY, OR CONSEQUENTIAL DAMAGES, INCLUDING WITHOUT LIMITATION, LOST REVENUES OR LOST PROFITS THAT MAY RESULT FROM
THE USE OF THE MATERIALS OR INFORMATION, WHETHER OR NOT THE RECIPIENT OF MATERIALS HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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Customers are responsible for their products and applications using Skyworks products, which may deviate from published specifi cations as a result of design defects, errors, or operation of products outside of pub-
lished parameters or design specifi cations. Customers should include design and operating safeguards to minimize these and other risks. Skyworks assumes no liability for applications assistance, customer product
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Skyworks, the Skyworks symbol, and “Breakthrough Simplicity” are trademarks or registered trademarks of Skyworks Solutions, Inc., in the United States and other countries. Third-party brands and names are for
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Package Information
TDFN33-121
Top View Bottom View
Detail "A"
Side View
3.00
±
0.05
Index Area Detail "A"
1.70
±
0.05
3.00
±
0.05
0.05
±
0.05
0.23
±
0.05
0.75
±
0.05
2.40
±
0.05
Pin 1 Indicator
(optional)
0.40
±
0.05
0.45
±
0.050.23
±
0.05
0.1 REF
C0.3
All dimensions in millimeters.
1. The leadless package family, which includes QFN, TQFN, DFN, TDFN and STDFN, has exposed copper (unplated) at the end of the lead terminals due to the manufacturing
process. A solder fillet at the exposed copper edge cannot be guaranteed and is not required to ensure a proper bottom solder connection.
