TPS61197EVM User Guide
User's Guide
Literature Number: SNVU412
JULY 2014
Contents
1 Introduction......................................................................................................................... 4
1.1 Performance Specification Summary.................................................................................. 4
2 Jumper and Connector Set-Up............................................................................................... 4
2.1 Input/Output Connector Description ................................................................................... 4
2.2 TPS61197EVM Configuration ......................................................................................... 4
3 Operation............................................................................................................................ 5
3.1 Non-Dimming Operation (Default Configuration)..................................................................... 5
3.2 PWM-Dimming Operation............................................................................................... 5
3.3 Test Results............................................................................................................... 6
4 Board Layout....................................................................................................................... 6
5 Schematic........................................................................................................................... 8
6 Bill of Materials.................................................................................................................... 9
7 Related Documentation From Texas Instruments..................................................................... 9
2Table of Contents SNVU412–JULY 2014
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List of Figures
1 Default Jumper Configuration.............................................................................................. 5
2 Efficiency v. Dimming Duty VIN = 24 V, 16 LEDs ........................................................................ 6
3 Efficiency v. Dimming Duty VIN = 24 V, 20 LEDs ........................................................................ 6
4 Assembly Layer.............................................................................................................. 6
5 Routing Layer ................................................................................................................ 7
6 TPS61197EVM Schematic ................................................................................................. 8
List of Tables
1 Device and Package Configurations ...................................................................................... 4
2 Typical Performance Specification Summary............................................................................ 4
3
SNVU412–JULY 2014 List of Figures
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Introduction
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1 Introduction
The Texas Instruments TPS61197EVM evaluation module (EVM) contains a TPS61197 integrated circuit
(IC) and helps designers to evaluate the operation and performance of the TPS61197, a single-string
2WLED driver providing a highly integrated solution for LCD-TV backlight.
The EVM contains one DC / DC converter (see Table 1).
Table 1. Device and Package Configurations
CONVERTER IC PACKAGE
U1 TPS61197 SOIC
1.1 Performance Specification Summary
The EVM is designed to operate from an input voltage source ranging from 10 V to 30 V and provides a
250-mA continuous output current for a WLED string. The overvoltage protection (OVP) voltage is set to
60 V, which can be adjusted according to customer’s application. Table 2 provides a summary of the
TPS61197EVM performance specifications. All specifications are given for an ambient temperature of
25°C.
Table 2. Typical Performance Specification Summary
CONDITION MIN TYP MAX UNITS
VIN Supply 10 30 V
IOUT 250 mA
2 Jumper and Connector Set-Up
This section describes the jumpers and connectors on the EVM, as well as how to properly connect, set
up, and use the TPS61197EVM.
2.1 Input/Output Connector Description
J1 - Input: This header is the power input terminals for the converter. The terminal block provides a power
(VIN) and ground (GND) connection to allow the user to attach the EVM to a cable harness.
J2 - Output: This header provides connections to the boost converter output (VOUT) and the drain of
dimming MOS. This header can be connected to WLEDs string to facilitate evaluation.
J4 - Ground: This header connects to GND.
JP1 - EN: This jumper is used to enable the device. Connecting pin1 and pin2 will toggle the EN high and
enable the device. Connecting pin2 and pin3 will toggle the EN low and disable the device.
JP2 - PWM: This jumper is used to set PWM control. Connecting pin1 and pin2 will send high signal to
device and set full on. Connecting pin2 and pin3 will send low signal to device and set off.
JP3 - FAULT: This jumper is used to set PWM control. Connecting pin1 and pin2 will send high signal to
device and set full on. Connecting pin2 and pin3 will send low signal to device and set off.
2.2 TPS61197EVM Configuration
This EVM requires an external power supply capable of providing 10 V to 30 V at 5 A. To change the
default current value (that is, to implement dimming), the user can apply a PWM signal to JP2-pin2.
The hardware connections of TPS61197EVM:
• The DC power supply is connected between J1-pin1 and J1-pin2.
• The LED array is connected to the J2.
• The one single PWM dimming signal can be connected to JP2-pin2.
4List of Tables SNVU412–JULY 2014
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Operation
The range of dimming frequency is 90 Hz to 22 kHz. The output overvoltage protection is set to 60 V,
which can be adjusted by R8 in SCH, then can drive different series number of LEDs. To ensure the
TPS61197EVM operates properly, the minimum output voltage of the board should be more than the input
power voltage. This requires the user to select the LED array carefully to make sure the total forward
voltage of the series LEDs is more than the input voltage.
Figure 1 shows the default configuration of jumpers.
Figure 1. Default Jumper Configuration
3 Operation
3.1 Non-Dimming Operation (Default Configuration)
For non-dimming operation of the TPS61197EVM, connect pin1 and pin2 of JP1, JP2. In this default
configuration, the device will power up when power is applied.
3.2 PWM-Dimming Operation
Connect the appropriately configured function generator output between JP2-pin2 and JP2-pin3 (for GND
connection) to control PWM1. The PWM signal's duty cycle is directly proportional to the regulated current.
5
SNVU412–JULY 2014 List of Tables
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Dimming Duty
Efficiency
0 10 20 30 40 50 60 70 80 90 100
0.5
0.55
0.6
0.65
0.7
0.75
0.8
0.85
0.9
0.95
1
Dimming Duty
Efficiency
0 10 20 30 40 50 60 70 80 90 100
0.5
0.55
0.6
0.65
0.7
0.75
0.8
0.85
0.9
0.95
1
Operation
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3.3 Test Results
This section provides typical efficiency for the TPS61197EVM board.
Figure 2. Efficiency v. Dimming Duty Figure 3. Efficiency v. Dimming Duty
VIN = 24 V, 16 LEDs VIN = 24 V, 20 LEDs
4 Board Layout
Figure 4 and Figure 5 show the component placement on the single PCB layer of the TPS61197EVM. The
PCB provides 1 oz. copper planes to dissipate heat.
Figure 4. Assembly Layer
6List of Tables SNVU412–JULY 2014
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Bill of Materials
6 Bill of Materials
REFDES QUANTITY VALUE PACKAGE PART NUMBER
C1 1 470 µF CAPPR5-10x20_HorizontalUp 35ZL470MEFC10X20
C2, C3 2 22 µF CAPPR5-10x20_HorizontalUp EEUED2E220
C4 1 1 µF 1206 C3216X7R1H105K
C5 1 2.2 µF 1206 GRM31CR61H225KA88L
C6, C11 2 1 µF 402 GRM155R61A105KE15D
C7 1 470 pF 402 C1005C0G1H471J
C8, C10, C13 3 100 pF 402 GRM1555C1H101JA01D
C9 1 1000 pF 402 C1005C0G1E102J
C12 1 0.047 µF 402 GRM155R60J473KA01D
D1 1 SS5P10-M3xx TO-277[SMPC] D_SCHOT_SS5P10_
FID1, FID2, 3 Fiducial10-20 Fiducial
FID3
H1, H2, H3, H4 4 NY PMS 440 0025 PH NY PMS 440 0025 PH
H5, H6, H7, H8 4 Keystone_1902C 1902C
J1, J2 2 TERM_BLK_ED555-2DS ED555/2DS
J4 1 TSW-104-07-G-S TSW-104-07-G-S
JP1, JP2 2 CONN_PEC03SAAN PEC03SAAN
JP3 1 CONN_PEC02SAAN PEC02SAAN
L1 1 120 µH TRD-PS 0429-TI14 TRD-PS 0429-TI14
LBL1 1 Label_650x200 Size: 0.65" x 0.20 "
Q1, Q2 2 300 V DPAK FQD7N30TM
R1, R6, R15 3 100 k 402 CRCW0402100KJNED
R2, R12 2 10 k 402 CRCW040210K0JNED
R3 1 3 603 CRCW06033R00JNEA
R4, R9 2 249 k 402 CRCW0402249KFKED
R5 1 49.9 402 CRCW040249R9FKED
R7 1 200 402 CRCW0402200RFKED
R8 1 191 k 402 CRCW0402191KFKED
R10, R11 2 0.2 2512M CSRN2512FKR200
R13 1 309 k 402 CRCW0402309KFKED
R14 1 73.2 k 402 CRCW040273K2FKED
R16 1 100 402 CRCW0402100RJNED
R17 1 2.43 1206 CRCW12062R43FKEA
R18 1 2.37 1206 CRCW12062R37FKEA
TP1, TP3 2 Red Keystone5010 5010
U1 1 D0016A_N TPS61197D
7 Related Documentation From Texas Instruments
See the TPS61197 datasheet (SLVSC25) for more information.
9
SNVU412–JULY 2014 List of Tables
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STANDARD TERMS AND CONDITIONS FOR EVALUATION MODULES
1. Delivery: TI delivers TI evaluation boards, kits, or modules, including any accompanying demonstration software, components, or
documentation (collectively, an “EVM” or “EVMs”) to the User (“User”) in accordance with the terms and conditions set forth herein.
Acceptance of the EVM is expressly subject to the following terms and conditions.
1.1 EVMs are intended solely for product or software developers for use in a research and development setting to facilitate feasibility
evaluation, experimentation, or scientific analysis of TI semiconductors products. EVMs have no direct function and are not
finished products. EVMs shall not be directly or indirectly assembled as a part or subassembly in any finished product. For
clarification, any software or software tools provided with the EVM (“Software”) shall not be subject to the terms and conditions
set forth herein but rather shall be subject to the applicable terms and conditions that accompany such Software
1.2 EVMs are not intended for consumer or household use. EVMs may not be sold, sublicensed, leased, rented, loaned, assigned,
or otherwise distributed for commercial purposes by Users, in whole or in part, or used in any finished product or production
system.
2Limited Warranty and Related Remedies/Disclaimers:
2.1 These terms and conditions do not apply to Software. The warranty, if any, for Software is covered in the applicable Software
License Agreement.
2.2 TI warrants that the TI EVM will conform to TI's published specifications for ninety (90) days after the date TI delivers such EVM
to User. Notwithstanding the foregoing, TI shall not be liable for any defects that are caused by neglect, misuse or mistreatment
by an entity other than TI, including improper installation or testing, or for any EVMs that have been altered or modified in any
way by an entity other than TI. Moreover, TI shall not be liable for any defects that result from User's design, specifications or
instructions for such EVMs. Testing and other quality control techniques are used to the extent TI deems necessary or as
mandated by government requirements. TI does not test all parameters of each EVM.
2.3 If any EVM fails to conform to the warranty set forth above, TI's sole liability shall be at its option to repair or replace such EVM,
or credit User's account for such EVM. TI's liability under this warranty shall be limited to EVMs that are returned during the
warranty period to the address designated by TI and that are determined by TI not to conform to such warranty. If TI elects to
repair or replace such EVM, TI shall have a reasonable time to repair such EVM or provide replacements. Repaired EVMs shall
be warranted for the remainder of the original warranty period. Replaced EVMs shall be warranted for a new full ninety (90) day
warranty period.
3Regulatory Notices:
3.1 United States
3.1.1 Notice applicable to EVMs not FCC-Approved:
This kit is designed to allow product developers to evaluate electronic components, circuitry, or software associated with the kit
to determine whether to incorporate such items in a finished product and software developers to write software applications for
use with the end product. This kit is not a finished product and when assembled may not be resold or otherwise marketed unless
all required FCC equipment authorizations are first obtained. Operation is subject to the condition that this product not cause
harmful interference to licensed radio stations and that this product accept harmful interference. Unless the assembled kit is
designed to operate under part 15, part 18 or part 95 of this chapter, the operator of the kit must operate under the authority of
an FCC license holder or must secure an experimental authorization under part 5 of this chapter.
3.1.2 For EVMs annotated as FCC – FEDERAL COMMUNICATIONS COMMISSION Part 15 Compliant:
CAUTION
This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not
cause harmful interference, and (2) this device must accept any interference received, including interference that may cause
undesired operation.
Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to
operate the equipment.
FCC Interference Statement for Class A EVM devices
NOTE: This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to part 15 of
the FCC Rules. These limits are designed to provide reasonable protection against harmful interference when the equipment is
operated in a commercial environment. This equipment generates, uses, and can radiate radio frequency energy and, if not
installed and used in accordance with the instruction manual, may cause harmful interference to radio communications.
Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be required to
correct the interference at his own expense.
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FCC Interference Statement for Class B EVM devices
NOTE: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of
the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential
installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance
with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference
will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which
can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more
of the following measures:
•Reorient or relocate the receiving antenna.
•Increase the separation between the equipment and receiver.
•Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
•Consult the dealer or an experienced radio/TV technician for help.
3.2 Canada
3.2.1 For EVMs issued with an Industry Canada Certificate of Conformance to RSS-210
Concerning EVMs Including Radio Transmitters:
This device complies with Industry Canada license-exempt RSS standard(s). Operation is subject to the following two conditions:
(1) this device may not cause interference, and (2) this device must accept any interference, including interference that may
cause undesired operation of the device.
Concernant les EVMs avec appareils radio:
Le présent appareil est conforme aux CNR d'Industrie Canada applicables aux appareils radio exempts de licence. L'exploitation
est autorisée aux deux conditions suivantes: (1) l'appareil ne doit pas produire de brouillage, et (2) l'utilisateur de l'appareil doit
accepter tout brouillage radioélectrique subi, même si le brouillage est susceptible d'en compromettre le fonctionnement.
Concerning EVMs Including Detachable Antennas:
Under Industry Canada regulations, this radio transmitter may only operate using an antenna of a type and maximum (or lesser)
gain approved for the transmitter by Industry Canada. To reduce potential radio interference to other users, the antenna type
and its gain should be so chosen that the equivalent isotropically radiated power (e.i.r.p.) is not more than that necessary for
successful communication. This radio transmitter has been approved by Industry Canada to operate with the antenna types
listed in the user guide with the maximum permissible gain and required antenna impedance for each antenna type indicated.
Antenna types not included in this list, having a gain greater than the maximum gain indicated for that type, are strictly prohibited
for use with this device.
Concernant les EVMs avec antennes détachables
Conformément à la réglementation d'Industrie Canada, le présent émetteur radio peut fonctionner avec une antenne d'un type et
d'un gain maximal (ou inférieur) approuvé pour l'émetteur par Industrie Canada. Dans le but de réduire les risques de brouillage
radioélectrique à l'intention des autres utilisateurs, il faut choisir le type d'antenne et son gain de sorte que la puissance isotrope
rayonnée équivalente (p.i.r.e.) ne dépasse pas l'intensité nécessaire à l'établissement d'une communication satisfaisante. Le
présent émetteur radio a été approuvé par Industrie Canada pour fonctionner avec les types d'antenne énumérés dans le
manuel d’usage et ayant un gain admissible maximal et l'impédance requise pour chaque type d'antenne. Les types d'antenne
non inclus dans cette liste, ou dont le gain est supérieur au gain maximal indiqué, sont strictement interdits pour l'exploitation de
l'émetteur
3.3 Japan
3.3.1 Notice for EVMs delivered in Japan: Please see http://www.tij.co.jp/lsds/ti_ja/general/eStore/notice_01.page 日本国内に
輸入される評価用キット、ボードについては、次のところをご覧ください。
http://www.tij.co.jp/lsds/ti_ja/general/eStore/notice_01.page
3.3.2 Notice for Users of EVMs Considered “Radio Frequency Products” in Japan: EVMs entering Japan may not be certified
by TI as conforming to Technical Regulations of Radio Law of Japan.
If User uses EVMs in Japan, not certified to Technical Regulations of Radio Law of Japan, User is required by Radio Law of
Japan to follow the instructions below with respect to EVMs:
1. Use EVMs in a shielded room or any other test facility as defined in the notification #173 issued by Ministry of Internal
Affairs and Communications on March 28, 2006, based on Sub-section 1.1 of Article 6 of the Ministry’s Rule for
Enforcement of Radio Law of Japan,
2. Use EVMs only after User obtains the license of Test Radio Station as provided in Radio Law of Japan with respect to
EVMs, or
3. Use of EVMs only after User obtains the Technical Regulations Conformity Certification as provided in Radio Law of Japan
with respect to EVMs. Also, do not transfer EVMs, unless User gives the same notice above to the transferee. Please note
that if User does not follow the instructions above, User will be subject to penalties of Radio Law of Japan.
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【無線電波を送信する製品の開発キットをお使いになる際の注意事項】 開発キットの中には技術基準適合証明を受けて
いないものがあります。 技術適合証明を受けていないもののご使用に際しては、電波法遵守のため、以下のいずれかの
措置を取っていただく必要がありますのでご注意ください。
1. 電波法施行規則第6条第1項第1号に基づく平成18年3月28日総務省告示第173号で定められた電波暗室等の試験設備でご使用
いただく。
2. 実験局の免許を取得後ご使用いただく。
3. 技術基準適合証明を取得後ご使用いただく。
なお、本製品は、上記の「ご使用にあたっての注意」を譲渡先、移転先に通知しない限り、譲渡、移転できないものとします。
上記を遵守頂けない場合は、電波法の罰則が適用される可能性があることをご留意ください。 日本テキサス・イ
ンスツルメンツ株式会社
東京都新宿区西新宿６丁目２４番１号
西新宿三井ビル
3.3.3 Notice for EVMs for Power Line Communication: Please see http://www.tij.co.jp/lsds/ti_ja/general/eStore/notice_02.page
電力線搬送波通信についての開発キットをお使いになる際の注意事項については、次のところをご覧くださ
い。http://www.tij.co.jp/lsds/ti_ja/general/eStore/notice_02.page
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4EVM Use Restrictions and Warnings:
4.1 EVMS ARE NOT FOR USE IN FUNCTIONAL SAFETY AND/OR SAFETY CRITICAL EVALUATIONS, INCLUDING BUT NOT
LIMITED TO EVALUATIONS OF LIFE SUPPORT APPLICATIONS.
4.2 User must read and apply the user guide and other available documentation provided by TI regarding the EVM prior to handling
or using the EVM, including without limitation any warning or restriction notices. The notices contain important safety information
related to, for example, temperatures and voltages.
4.3 Safety-Related Warnings and Restrictions:
4.3.1 User shall operate the EVM within TI’s recommended specifications and environmental considerations stated in the user
guide, other available documentation provided by TI, and any other applicable requirements and employ reasonable and
customary safeguards. Exceeding the specified performance ratings and specifications (including but not limited to input
and output voltage, current, power, and environmental ranges) for the EVM may cause personal injury or death, or
property damage. If there are questions concerning performance ratings and specifications, User should contact a TI
field representative prior to connecting interface electronics including input power and intended loads. Any loads applied
outside of the specified output range may also result in unintended and/or inaccurate operation and/or possible
permanent damage to the EVM and/or interface electronics. Please consult the EVM user guide prior to connecting any
load to the EVM output. If there is uncertainty as to the load specification, please contact a TI field representative.
During normal operation, even with the inputs and outputs kept within the specified allowable ranges, some circuit
components may have elevated case temperatures. These components include but are not limited to linear regulators,
switching transistors, pass transistors, current sense resistors, and heat sinks, which can be identified using the
information in the associated documentation. When working with the EVM, please be aware that the EVM may become
very warm.
4.3.2 EVMs are intended solely for use by technically qualified, professional electronics experts who are familiar with the
dangers and application risks associated with handling electrical mechanical components, systems, and subsystems.
User assumes all responsibility and liability for proper and safe handling and use of the EVM by User or its employees,
affiliates, contractors or designees. User assumes all responsibility and liability to ensure that any interfaces (electronic
and/or mechanical) between the EVM and any human body are designed with suitable isolation and means to safely
limit accessible leakage currents to minimize the risk of electrical shock hazard. User assumes all responsibility and
liability for any improper or unsafe handling or use of the EVM by User or its employees, affiliates, contractors or
designees.
4.4 User assumes all responsibility and liability to determine whether the EVM is subject to any applicable international, federal,
state, or local laws and regulations related to User’s handling and use of the EVM and, if applicable, User assumes all
responsibility and liability for compliance in all respects with such laws and regulations. User assumes all responsibility and
liability for proper disposal and recycling of the EVM consistent with all applicable international, federal, state, and local
requirements.
5. Accuracy of Information: To the extent TI provides information on the availability and function of EVMs, TI attempts to be as accurate
as possible. However, TI does not warrant the accuracy of EVM descriptions, EVM availability or other information on its websites as
accurate, complete, reliable, current, or error-free.
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6. Disclaimers:
6.1 EXCEPT AS SET FORTH ABOVE, EVMS AND ANY WRITTEN DESIGN MATERIALS PROVIDED WITH THE EVM (AND THE
DESIGN OF THE EVM ITSELF) ARE PROVIDED "AS IS" AND "WITH ALL FAULTS." TI DISCLAIMS ALL OTHER
WARRANTIES, EXPRESS OR IMPLIED, REGARDING SUCH ITEMS, INCLUDING BUT NOT LIMITED TO ANY IMPLIED
WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT OF ANY
THIRD PARTY PATENTS, COPYRIGHTS, TRADE SECRETS OR OTHER INTELLECTUAL PROPERTY RIGHTS.
6.2 EXCEPT FOR THE LIMITED RIGHT TO USE THE EVM SET FORTH HEREIN, NOTHING IN THESE TERMS AND
CONDITIONS SHALL BE CONSTRUED AS GRANTING OR CONFERRING ANY RIGHTS BY LICENSE, PATENT, OR ANY
OTHER INDUSTRIAL OR INTELLECTUAL PROPERTY RIGHT OF TI, ITS SUPPLIERS/LICENSORS OR ANY OTHER THIRD
PARTY, TO USE THE EVM IN ANY FINISHED END-USER OR READY-TO-USE FINAL PRODUCT, OR FOR ANY
INVENTION, DISCOVERY OR IMPROVEMENT MADE, CONCEIVED OR ACQUIRED PRIOR TO OR AFTER DELIVERY OF
THE EVM.
7. USER'S INDEMNITY OBLIGATIONS AND REPRESENTATIONS. USER WILL DEFEND, INDEMNIFY AND HOLD TI, ITS
LICENSORS AND THEIR REPRESENTATIVES HARMLESS FROM AND AGAINST ANY AND ALL CLAIMS, DAMAGES, LOSSES,
EXPENSES, COSTS AND LIABILITIES (COLLECTIVELY, "CLAIMS") ARISING OUT OF OR IN CONNECTION WITH ANY
HANDLING OR USE OF THE EVM THAT IS NOT IN ACCORDANCE WITH THESE TERMS AND CONDITIONS. THIS OBLIGATION
SHALL APPLY WHETHER CLAIMS ARISE UNDER STATUTE, REGULATION, OR THE LAW OF TORT, CONTRACT OR ANY
OTHER LEGAL THEORY, AND EVEN IF THE EVM FAILS TO PERFORM AS DESCRIBED OR EXPECTED.
8. Limitations on Damages and Liability:
8.1 General Limitations. IN NO EVENT SHALL TI BE LIABLE FOR ANY SPECIAL, COLLATERAL, INDIRECT, PUNITIVE,
INCIDENTAL, CONSEQUENTIAL, OR EXEMPLARY DAMAGES IN CONNECTION WITH OR ARISING OUT OF THESE
TERMS ANDCONDITIONS OR THE USE OF THE EVMS PROVIDED HEREUNDER, REGARDLESS OF WHETHER TI HAS
BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. EXCLUDED DAMAGES INCLUDE, BUT ARE NOT LIMITED
TO, COST OF REMOVAL OR REINSTALLATION, ANCILLARY COSTS TO THE PROCUREMENT OF SUBSTITUTE GOODS
OR SERVICES, RETESTING, OUTSIDE COMPUTER TIME, LABOR COSTS, LOSS OF GOODWILL, LOSS OF PROFITS,
LOSS OF SAVINGS, LOSS OF USE, LOSS OF DATA, OR BUSINESS INTERRUPTION. NO CLAIM, SUIT OR ACTION SHALL
BE BROUGHT AGAINST TI MORE THAN ONE YEAR AFTER THE RELATED CAUSE OF ACTION HAS OCCURRED.
8.2 Specific Limitations. IN NO EVENT SHALL TI'S AGGREGATE LIABILITY FROM ANY WARRANTY OR OTHER OBLIGATION
ARISING OUT OF OR IN CONNECTION WITH THESE TERMS AND CONDITIONS, OR ANY USE OF ANY TI EVM
PROVIDED HEREUNDER, EXCEED THE TOTAL AMOUNT PAID TO TI FOR THE PARTICULAR UNITS SOLD UNDER
THESE TERMS AND CONDITIONS WITH RESPECT TO WHICH LOSSES OR DAMAGES ARE CLAIMED. THE EXISTENCE
OF MORE THAN ONE CLAIM AGAINST THE PARTICULAR UNITS SOLD TO USER UNDER THESE TERMS AND
CONDITIONS SHALL NOT ENLARGE OR EXTEND THIS LIMIT.
9. Return Policy. Except as otherwise provided, TI does not offer any refunds, returns, or exchanges. Furthermore, no return of EVM(s)
will be accepted if the package has been opened and no return of the EVM(s) will be accepted if they are damaged or otherwise not in
a resalable condition. If User feels it has been incorrectly charged for the EVM(s) it ordered or that delivery violates the applicable
order, User should contact TI. All refunds will be made in full within thirty (30) working days from the return of the components(s),
excluding any postage or packaging costs.
10. Governing Law: These terms and conditions shall be governed by and interpreted in accordance with the laws of the State of Texas,
without reference to conflict-of-laws principles. User agrees that non-exclusive jurisdiction for any dispute arising out of or relating to
these terms and conditions lies within courts located in the State of Texas and consents to venue in Dallas County, Texas.
Notwithstanding the foregoing, any judgment may be enforced in any United States or foreign court, and TI may seek injunctive relief
in any United States or foreign court.
Mailing Address: Texas Instruments, Post Office Box 655303, Dallas, Texas 75265
Copyright © 2015, Texas Instruments Incorporated
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