Specifications of any and all SANYO Semiconductor Co.,Ltd. products described or contained herein stipulate
the performance, characteristics, and functions of the described products in the independent state, and are not
guarantees of the performance, characteristics, and functions of the described products as mounted in the
customer
'
s products or equipment. To verify symptoms and states that cannot be evaluated in an independent
device, the customer should always evaluate and test devices mounted in the customer
'
sproductsor
equipment.
Any and all SANYO Semiconductor Co.,Ltd. products described or contained herein are, with regard to
"standard application", intended for the use as general electronics equipment (home appliances, AV equipment,
communication device, office equipment, industrial equipment etc.). The products mentioned herein shall not be
intended for use for any "special application" (medical equipment whose purpose is to sustain life, aerospace
instrument, nuclear control device, burning appliances, transportation machine, traffic signal system, safety
equipment etc.) that shall require extremely high level of reliability and can directly threaten human lives in case
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91907 MS PC B8-8741 No. A0954-1 /7
LB11683H
Overview
The LB11683H is a three-phase full-wave current-lin ear-drive motor driver IC. It adopts a sensorless control system
without the use of a Hall effect device. For qu ieter operation, the LB11683H f eatures a current soft switching circuit and
is optimal for driving the cooling fan motors used in refrigerators, etc.
Functions
• Current linear drive
• Built-in current limiter circuit
• Output stage oversaturation prevention circuit
• Coil counter-electromotive FG output
• Built-in thermal shutdown circuit
• Beat lock prevention circuit
• Lock protection circuit
• Lock detection output
Specifications
Absolute Maximum Ratings at Ta = 25°C
Parameter Symbol Conditions Ratings Unit
Supply voltage VCC max 14.5 V
Output applied voltage VO max 14.5 V
Input applied voltage VI max -0.3 to VCC+0.3 V
Output current IO max 1.5 A
Pd max1 Independent IC 0.8 W Allowable power dissipation
Pd max2 Mounted on a board * 1.85 W
Operating temperature Topr -30 to +85 °C
Storage temperature Tstg -55 to +150 °C
* Specified board: 114.3mm ×76.1mm ×1.6mm, glass epoxy board.
Monolithic Digital IC
Three-Phase Sensorless Motor Driver
Orderin
g
numbe
r
: ENA0954
LB11683H
No. A0954-2/7
Allowable Operating Conditions at Ta = 25°C
Parameter Symbol Conditions Ratings Unit
Supply voltage 1 VCC All operating circuits other than internal 5V Reg. 5.5 to 7.0 V
Supply voltage 2 VCC All operating circuits. 7.0 to 13.8 V
Electrical Characteristics at Ta = 25°C, VCC = 12V
Ratings
Parameter Symbol Conditions min typ max
Unit
Supply current ICC VC=VCC VFC=0V 10 15 mA
Output saturation voltage 1 VOSAT1 IO=0.4A, Source+Sink 1.4 2.0 V
Output saturation voltage 2 VOSAT2 IO=0.8A, Source+Sink, RF=0Ω 1.8 2.6 V
MCOM pin common-phase input
voltage range VIC 0 VCC-2 V
PCOUT output current 1 IPCOU Source side -90 µA
PCOUT output current 2 IPCOD Sink side 90 µA
VCOIN input current IVCOIN VCOIN=5V 0.1 0.2 µA
VCO minimum frequency fVCOMIN VCOIN=open
CX=0.022µF 330 400 500 Hz
VCO maximum frequency fVCOMAX VCOIN=5V
CX=0.022µF 14.8 18.5 22.3 kHz
C1, C2 source current ratio RSOURCE 1-(IC1SOURCE/IC2SOURCE) -12 +12 %
C1, C2 sink current ratio RSINK 1-(IC1SINK/IC2SINK) -12 +12 %
C1 source, sink current ratio RC1 IC1SOURCE/IC1SINK 50 %
C2 source, sink current ratio RC2 IC2SOURCE/IC2SINK 50 %
Counter-electromotive FG output
ON voltage VOL IFGO=1mA 0.4 V
CT pin charge current ICT1 Source current 1.2 1.6 µA
CT pin discharge current ICT2 Sink current 50 77 nA
Lock protection detection voltage VRD1 2.3 2.45 2.6 V
Lock protection reset voltage VRD2 1.13 1.26 1.39 V
RD pin leak current IRDLEAK 10 µA
RD pin output LO voltage VRDL IO=1mA 100 400 mV
Current limiter setting voltage 0.45 0.5 0.55 V
Thermal shutdown operating
temperature TTSD Design target * 150 180 210 °C
Thermal shutdown hysteresis ∆TTSD Design target * 15 °C
*: Design target value and no measurement is made.
LB11683H
No. A0954-3/7
1
2
3
4
28
27
26
25
UOUT
NC
RF
NC
VOUT
WOUT
MCOM
NC
5
6
7
NC
FC
BFGO
8
9
10
11
CT
RD
NC
NC
12
13
14
GND
GND
PCOUT
24
23
22
NC
NC
VCC
21
20
19
18
UIN
VIN
WIN
C1
17
16
15
C2
CX
VCOIN
Top view
LB11683H
Package Dimensions
unit : mm (typ)
3234B
Pin Assignment
SANYO : HSOP28HC(375mil)
15.2
(6.2)
0.25
0.3
0.1 (2.25)
(0.8) 0.8 2.0
10.5
7.9
(4.9)
0.65
2.7
2.45 max
HEAT SPREADER
114
1528
-20 0 20 40 60 80 10085
0
2.0
1.6
1.2
0.8
0.4 0.42
0.96
Pd max -- Ta
Ambient temperature, Ta -- °C
Allowable power dissipation, Pd max -- W
Independent IC
Mounted on a specified board:
114.3×76.1×1.6mm
3
glass epoxy board
LB11683H
No. A0954-4/7
VCO
PLL 8 divider
Upper side saturation prevention control
Mask circuit
Timing control
circuit
Startup control
circuit
Rotor detection circuit
Output drive circuit
VCC
MCOM
UOUT
VOUT
WOUT
RF 0.5Ω
GND
CX
VCOIN
PCOUT
200Ω
0.5V
0.1µF FC
C2
C1
BFGC
Beat lock prevention circuit
Lock protection circuit RD
CT
0.1µF
0.01µF
0.022µF
0.022µF
0.022µF
560kΩ
0.47µF
50kΩ
50kΩ
Thermal shutdown
circuit
Soft switching
driver circuit
ILB01810
Block Diagram
LB11683H
No. A0954-5/7
Pin Functions
Pin
No. Symbol Description Pin Voltage Equivalent Circuit
1 UOUT
28 VOUT
27 WOUT
3-phase motor driver output
3 RF Minimum potential of 3-phase motor driver
output transistor.
Constant current control is made through
detection of this voltage. The current limiter
also functions by detecting this potential.
1
27
20µA
28
30kΩ
3.9kΩ
3.9kΩ
30kΩ
3
10kΩ
21
20
19
VCC
22 VCC Power supply 8 to 13.8 V
26 MCOM Motor coil neutral point input pin.
The coil voltage waveform is detected with
reference to this voltage.
21 UIN
20 VIN
19 WIN
Coil waveform detection comparator input pin.
This pin is connected to each phase output
through the internal 10kΩ resistor.
21
20
19
200Ω
27281
2kΩ
10kΩ
200Ω
26
200Ω
VCC
18 C1
17 C2
Triangular wave generating capacitor
connection pin.
This triangular wave performs soft-switching of
the coil output waveforms.
18
17
1kΩ
VREG
1/2VREG-VF
VCC
2S
15µA15µA5µA
16 CX In the VCO circuit, the operation frequency
range and minimum operation frequency are
determined by means of the capacitor value
connected this pin and ground.
16
300Ω
VREG
VCC
100µA
15 VCOIN VCO circuit voltage input pin.
The PCOUT pin voltage is input via CR filter.
15
50kΩ
VREG
VCC
50µA 50µA
10kΩ
1.75V
Continued on next page.
LB11683H
No. A0954-6/7
Continued from preceding page.
Pin
No. Symbol Description Pin Voltage Equivalent Circuit
14 PCOUT VCO circuit PLL output
14
VREG VCC
12
13 GND Ground for all other than the output transistor
7 BFGO Motor counter-electromotive voltage detection
FG output (single-phase only).
Open collector output
7
VREG
100µA
6 FC Frequency characteristics compensation pin.
Insertion of a capacitor between this pin and
ground stops oscillation of the closed loop of
current control system.
6
VREG
1kΩ
10kΩ
5kΩ
VCC
9 RD Lock detection output.
When motor is running: low-level
When motor is locked: high-level
Open collector output
9
VREG
15kΩ
8 CT Lock protection ON/OFF time setting capacitor
connection pin.
The capacitor connected between this pin and
ground determines the driver ON/OFF time
when the motor is locked.
8
25kΩ
VREG
VCC
2S
0.1µA1µA 15µA
LB11683H
PS No. A0954-7/7
SANYO Semiconductor Co.,Ltd. assumes no responsibility for equipment failures that result from using
products at values that exceed, even momentarily, rated values (such as maximum ratings, operating condition
ranges, or other parameters) listed in products specifications of any and all SANYO Semiconductor Co.,Ltd.
products described or contained herein.
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semiconductor products fail or malfunction with some probability. It is possible that these probabilistic failures or
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limited to protective circuits and error prevention circuits for safe design, redundant design, and structural
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This catalog provides information as of September, 2007. Specifications and information herein are subject
to change without notice.
