Texas Instruments LM5175EVM-HP User manual

LM5175 Wide VIN 4-Switch Buck-Boost
Converter High Power Evaluation Module
User's Guide
Literature Number: SNVU465
February 2015

Contents
1 Introduction......................................................................................................................... 4
1.1 Features................................................................................................................... 4
1.2 Applications ............................................................................................................... 4
2 Connector, Test Point and Selection Switch Descriptions......................................................... 5
2.1 Connector and Test Point Descriptions ............................................................................... 5
2.2 Selection Switch Descriptions.......................................................................................... 6
2.2.1 S1 Mode ....................................................................................................... 6
2.2.2 S2 ENABLE ................................................................................................... 6
2.2.3 S3 DITHER.................................................................................................... 6
3 Test Setup and Procedure..................................................................................................... 6
3.1 Test Setup................................................................................................................. 6
3.2 Test Procedure ........................................................................................................... 7
4 Test Data and Performance Curve.......................................................................................... 7
4.1 Efficiency .................................................................................................................. 7
4.2 Typical Operation Waveforms.......................................................................................... 8
4.3 Soft Start .................................................................................................................. 9
5 LM5175EVM-HP Schematic.................................................................................................. 10
6 Assembly Drawings and Layout........................................................................................... 11
7 LM5175EVM-HP Bill of Materials........................................................................................... 15
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List of Figures
1 Typical EVM Connection Diagram......................................................................................... 6
2 Efficiency vs. Output Current............................................................................................... 7
3 Efficiency and Power Loss vs. Input Voltage ............................................................................ 7
4 Typical Operation Waveforms (VIN=9 V, IOUT=2 A) ................................................................... 8
5 Typical Operation Waveforms (VIN=12 V, IOUT=2 A).................................................................. 8
6 Typical Operation Waveforms (VIN=15 V, IOUT=2 A).................................................................. 8
7 Turn-on Waveforms (VIN=24 V, IOUT=0 A) ............................................................................. 9
8 Turn-on Waveforms (VIN=24 V, IOUT=10 A)............................................................................ 9
9 4-Switch Buck-Boost Converter Schematic............................................................................. 10
10 Top Assembly............................................................................................................... 11
11 Assembly Bottom .......................................................................................................... 11
12 Top Layer.................................................................................................................... 12
13 Mid-Layer 1 ................................................................................................................. 12
14 Mid-Layer 2 ................................................................................................................. 13
15 Mid-Layer 3 ................................................................................................................. 13
16 Mid-Layer 4 ................................................................................................................. 14
17 Bottom Layer................................................................................................................ 14
List of Tables
1 Connectors and Test Points................................................................................................ 5
2 LM5175EVM-HP Bill of Materials ........................................................................................ 15
3
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User's Guide
SNVU465–February 2015
This user’s guide describes the characteristics, operation, and use of the LM5175 high power evaluation
module (EVM). The LM5175EVM-HP is a fully assembled and tested circuit for evaluating the
performance of the LM5175 42 V wide VIN Synchronous 4-Switch Buck-Boost Controller. This user's
guide contains the electrical specification, quick setup procedure, performance curves, application
schematic, and bill of materials (BOM).
1 Introduction
The LM5175 is a synchronous 4-switch buck-boost controller capable of regulating the output voltage at,
below, or above the input voltage. The wide input voltage of 3.5 V to 42 V supports a variety of
applications. The output voltage is adjustable from 0.8 V to 55 V.
The LM5175EVM-HP high power EVM is fully assembled and tested platform for evaluating the operation
and performance of the LM5175 buck-boost controller. The LM5175EVM-HP has an input voltage range
from 6 V to 36 V, the output voltage is set as 12 V using an external feedback resistor divider.
1.1 Features
• Wide input voltage range from 6 V to 36 V
• 12 V nominal output voltage
• Up to 10 A output current capability (120W output power)
• 260kHz switching frequency
• Constant Output Voltage and Constant Output Current Options
• Optional frequency dithering
• Optional parallel FET sites provide flexibility to further extend output power capability
1.2 Applications
• Industrial PCs
• Point of Sale Terminals
• Automotive Start-Stop Systems
• Battery Backup Systems
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www.ti.com Connector, Test Point and Selection Switch Descriptions
2 Connector, Test Point and Selection Switch Descriptions
2.1 Connector and Test Point Descriptions
This EVM includes I/O connectors and test points as shown in Table 1. The power supply must be
connected to input connectors, J1 and J2. The load must be connected to output connectors, J3 and J4.
Table 1. Connectors and Test Points
Reference Designator Description
J1 Input voltage positive connection
J2 Input voltage return connection
J3 Output voltage connection
J4 Output voltage return connection
TP1 (VIN) Input voltage positive test point
TP2 (GND) Input voltage return test point
TP3 (VOUT) Output voltage positive test point
TP4 (GND) Output voltage return test point
TP5 (PGOOD) Power Good output
TP6 (BIAS) BIAS voltage test point
TP7(SYNC) SYNC input
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Connector, Test Point and Selection Switch Descriptions www.ti.com
2.2 Selection Switch Descriptions
2.2.1 S1 Mode
This switch provides selection of different operation modes detailed as following:
• Switch in position 1 (Mode pin tied to GND), Hiccup mode disabled and DCM.
• Switch in position 2 (Mode pin tied to 93.1kΩresistor), Hiccup mode enabled and CCM.
• Switch in position 3 (Mode pin tied to VCC), Hiccup disabled and CCM.
Note 1: If Hiccup enabled and DCM combination is desired, change R19 to 49.9 kΩand put switch in
position 2.
2.2.2 S2 ENABLE
This switch enables/disables LM5175 on the EVM, or it can be used to set adjustable VIN UVLO.
• Switch in position 1 (EN pin tied GND), LM5175 disabled.
• Switch in position 2 (EN pin tied to resistor divider network consist of R13 and R18), EN pin along the
resistor divider network to set LM5175 UVLO threshold.
• Switch in position 3 (EN pin tied VCC), LM5175 enabled.
2.2.3 S3 DITHER
This switch enables/disables frequency dithering feature on the EVM.
• Switch in position 1 (EN pin tied GND), frequency dithering feature disabled.
• Switch in position 2 (EN pin tied to C27), frequency dithering feature enabled.
• No connection in position 3, do not apply switch to this position.
3 Test Setup and Procedure
3.1 Test Setup
Figure 1 shows a typical test setup to evaluate the LM5175EVM-HP
Figure 1. Typical EVM Connection Diagram
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www.ti.com Test Setup and Procedure
3.2 Test Procedure
Step 1: Set the power supply current limit to 1 A. Turn off the power supply. Connect the positive output of
the power supply to J1 and the negative output to J2.
Step 2: Connect the load to J3 for the positive connection and J4 for the negative connection.
Step 3: Set the power supply voltage to 9V and the load to 0.1 A. The electronic load voltage should be in
regulation with a nominal 12 V output.
Step 4: Slowly increase the load while monitoring the output voltage between TP3 and TP4. It should
remain in regulation with a nominal 12 V output as the load is increased up to 10 A.
Step 5: Slowly sweep the input voltage from 6 V to 36 V. The output voltage should remain in regulation
with a nominal 12 V output.
Step 6: Turn off the load, and decrease the input voltage down to 0 V to shut down the buck-boost
converter, and then turn on the load to discharge the output capacitors.
4 Test Data and Performance Curve
4.1 Efficiency
Figure 2. Efficiency vs. Output Current Figure 3. Efficiency and Power Loss vs. Input Voltage
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Test Data and Performance Curve www.ti.com
4.2 Typical Operation Waveforms
Figure 5. Typical Operation Waveforms (VIN=12 V, IOUT=2
Figure 4. Typical Operation Waveforms (VIN=9 V, IOUT=2 A)
A)
Figure 6. Typical Operation Waveforms (VIN=15 V, IOUT=2 A)
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4.3 Soft Start
Figure 7. Turn-on Waveforms (VIN=24 V, IOUT=0 A) Figure 8. Turn-on Waveforms (VIN=24 V, IOUT=10 A)
9
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LM5175EVM-HP Schematic www.ti.com
5 LM5175EVM-HP Schematic
Figure 9. 4-Switch Buck-Boost Converter Schematic
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www.ti.com Assembly Drawings and Layout
6 Assembly Drawings and Layout
Figure 12 through Figure 17 show the design of the LM5175EVM-HP PCB.
Figure 10. Top Assembly
Figure 11. Assembly Bottom
11
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Assembly Drawings and Layout www.ti.com
Figure 12. Top Layer
Figure 13. Mid-Layer 1
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Figure 14. Mid-Layer 2
Figure 15. Mid-Layer 3
13
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Assembly Drawings and Layout www.ti.com
Figure 16. Mid-Layer 4
Figure 17. Bottom Layer
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www.ti.com LM5175EVM-HP Bill of Materials
7 LM5175EVM-HP Bill of Materials
Table 2. LM5175EVM-HP Bill of Materials
Ref Des Quantity Description Part Number Manufacturer
PCB 1 Printed Circuit Board SV601157 Any
C1 1 CAP, AL, 180 µF, 50 V, +/- 20%, 0.019 PCR1H181MCL1GS Nichicon
ohm, SMD
C2, C3, C4, C5 4 CAP, CERM, 10 µF, 50 V, +/- 10%, X7R, GRM32ER71H106KA12L MuRata
1210
C6, C7, C8, C9, C10, 6 CAP, CERM, 22 µF, 16 V, +/- 20%, X7R, GRM32ER71C226ME18L MuRata
C11 1210
C12 1 CAP, CERM, 1 µF, 25 V, +/- 10%, X7R, GRM219R71E105KA88D MuRata
0805
C13, C14 2 CAP, OS-CON, 330 µF, 16 V, +/- 20%, 16SVP330M Sanyo
0.016 ohm, 10x10.3 SMD
C15 1 CAP, CERM, 47pF, 50V, +/-5%, C0G/NP0, Std Std
0603
C16 1 CAP, CERM, 4.7 µF, 16 V, +/- 10%, X7R, Std Std
0805
C17, C21 2 CAP, CERM, 0.1µF, 100V, +/-10%, X7R, Std Std
0603
CAP, CERM, 0.22 µF, 25 V, +/- 10%, X7R, Std Std
C18, C19, C25 3 0603
CAP, CERM, 100pF, 100V, +/-5%, Std Std
C20, C28, C29, C30 4 C0G/NP0, 0603
CAP, CERM, 0.022µF, 50V, +/-10%, X7R, Std Std
C22, C27 2 0603
CAP, CERM, 0.33 µF, 16 V, +/- 10%, X7R, Std Std
C24 1 0603 PMEG6010CEJ,115 NXP
D3 1 DIODE SCHOTTKY 60V 1A SOD323F Semiconductors
BAS316,115 NXP
D4, D5 2 Diode, Ultrafast, 100V, 0.25A, SOD-323 Semiconductors
Machine Screw, Round, #4-40 x 1/4, Nylon, NY PMS 440 0025 PH B&F Fastner
H1, H2, H3, H4 4 Philips panhead Supply
H5, H6, H7, H8 4 Standoff, Hex, 0.5"L #4-40 Nylon 1902C Keystone
J1, J2, J3, J4 4 Standard Banana Jack, Uninsulated, 15A 108-0740-001 Emerson Network
Power
L1 1 Inductor, Shielded Drum Core, WE- 7443556260 Wurth Elektronik
Superflux200, 2.6 µH, 31.5 A, 0.0016 ohm, eiSos
SMD
3 MOSFET, N-CH, 60 V, 100 A, TDSON-8 BSC028N06NS Infineon
Q1, Q2, Q3 Technologies
2 MOSFET, N-CH, 25 V, 100 A, TDSON-8 BSC014NELSI Infineon
Q5, Q7 Technologies
R1 1 RES 0.004 OHM 3W 1% 2512 WIDE KRL6432E-M-R004-F-T1 Susumu
R2, R3, R4, R5, R12, 11 RES, 0 ohm, 5%, 0.1W, 0603 Std Std
R15, R17, R24, R25,
R26, R27
R6, R8, R16, R21 4 RES, 100 ohm, 1%, 0.1W, 0603 Std Std
R7 1 RES, 0.004, 1%, 6 W, 4320_WIDE KRL11050-C-R004-F-T1 Susumu Co Ltd
R9, R11 2 RES, 10.0 ohm, 1%, 0.1W, 0603 Std Std
R10, R23 2 RES, 10.0k ohm, 1%, 0.1W, 0603 Std Std
R13 1 RES, 249k ohm, 1%, 0.1W, 0603 Std Std
R14 1 RES, 280k ohm, 1%, 0.1W, 0603 Std Std
R18 1 RES, 59.0k ohm, 1%, 0.1W, 0603 Std Std
15
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LM5175EVM-HP Bill of Materials www.ti.com
Table 2. LM5175EVM-HP Bill of Materials (continued)
Ref Des Quantity Description Part Number Manufacturer
R19 1 RES, 93.1 k, 1%, 0.1 W, 0603 Std Std
R20 1 RES, 100 k, 1%, 0.1 W, 0603 Std Std
R22 1 RES, 20.0k ohm, 1%, 0.1W, 0603 Std Std
S1, S2, S3 3 Slide SW, SPDT 0.1A 50VDC CJS-1201TA Copal Electronics
TP1, TP3 2 Test Point, Compact, Red, TH 5005 Keystone
TP2, TP4 2 Test Point, Compact, Black, TH 5006 Keystone
TP5 1 Test Point, Compact, White, TH 5007 Keystone
TP6, TP7 2 Test Point, Compact, White, TH 5007 Keystone
U1 1 42V Wide VIN 4-Switch Synchronous Buck- LM5175PWP Texas
Boost Controller, TSSOP-28 Instruments
C23, C26 0 CAP, CERM, 47pF, 50V, +/-5%, C0G/NP0, Std Std
0603 RSX501L-20TE25 Rohm
D1 0 DIODE SCHOTTKY 20V 5A PMDS Semiconductor
D2 0 DIODE SCHOTTKY 60V 3A PMDS RB050L-60TE25 Rohm
Semiconductor
Q4 Infineon
0 MOSFET, N-CH, 60 V, 100 A, TDSON-8 BSC028N06NS Technologies
Q6, Q8 Infineon
0 MOSFET, N-CH, 25 V, 100 A, TDSON-8 BSC014NELSI Technologies
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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 are NOT certified by
TI as conforming to Technical Regulations of Radio Law of Japan.
If User uses EVMs in 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】
本開発キットは技術基準適合証明を受けておりません。
本製品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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