User's Guide
SLVUAF4 – June 2015
TPS62746EVM-706 Evaluation Module
This user’s guide describes the characteristics, operation, and use of TI's TPS62746 evaluation module
(EVM). This EVM is designed to help the user easily evaluate and test the operation and functionality of
the TPS62746. The EVM converts a 2.0-V to 5.5-V input voltage to a regulated output voltage that is set
either 1.2 V or 1.8 V at up to 300 mA. The TPS62746 also includes an input voltage switch and has an
ultra-low quiescent current of 360 nA. This user’s guide includes setup instructions for the hardware, a
printed-circuit board (PCB) layout for the EVM, a schematic diagram, and the bill of materials (BOM).
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Contents
Introduction ...................................................................................................................
Evaluation Module Setup ...................................................................................................
Common Efficiency Measurement Errors with Ultra-Low Iq Devices .................................................
Board Layout .................................................................................................................
TPS62746EVM-706 Configuration ........................................................................................
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2
2
4
5
List of Figures
1
Assembly Layer .............................................................................................................. 4
2
Top Layer ..................................................................................................................... 4
3
Bottom Layer ................................................................................................................. 5
4
TPS62746 Typical Application Circuit ..................................................................................... 5
5
TPS62746EVM-706 Schematic ............................................................................................ 6
List of Tables
1
TPS62746EVM-706 Bill of Materials ...................................................................................... 7
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1
Introduction
1
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Introduction
The TPS62746 is a 300-mA, synchronous, step-down converter in a tiny 1.6 x 0.9-mm, 8-ball DSBGA
package. The output voltage is fixed inside the device by the connection of the VSEL pin.
1.1
Background
The TPS62746EVM-706 uses the TPS62746 device. The EVM operates with full-rated performance with
an input voltage between 2.15 V and 5.5 V.
2
Evaluation Module Setup
This section describes how to properly use the TPS62746EVM-706.
2.1
Input/Output Connector Descriptions
J1, Pin 1&2 – VIN
J1, Pin 3&4 – S+/SJ1, Pin 5&6 – GND
J2, Pin 1&2 – VOUT
J2, Pin 3&4 – S+/SJ2, Pin 5&6 – GND
J3 – SW & GND
J4 - VOUT Sense
J5, Pin 1&2 - VSW
J5, Pin 3&4 - S+/SJ5, Pin 5&6 - GND
JP1 - SW_CTRL
JP2 - VSEL
JP3 - VHIGH
JP4 - EN
2.2
Positive input connection from the input supply for the EVM.
Input voltage sense connections. Measure the input voltage at this point.
Return connection from the input supply for the EVM.
Output voltage connection.
Output voltage sense connections. Measure the output voltage at this point.
Output return connection.
Measurement connection for the Switch Node, including Ground connection
Output Voltage SMA Measurement connection.
Load switch output connection.
Load switch output voltage sense connections. Measure the load switch
output voltage at this point.
Load switch output return connection.
CTRL pin input jumper. Place the supplied jumper across LOAD_ON and
CTRL to activate (close) the internal load switch. Place the jumper across
LOAD_OFF and CTRL to de-activate (open) the internal load switch.
Output Voltage Selection Pin. Chose VSEL = LOW for 1.2 VOUT or VSEL =
HIGH for 1.8 VOUT
High Level Selection Jumper. The high level can be selected as VIN or
VOUT
EN pin input jumper. Place the supplied jumper across ON and EN to turn
on the IC. Place the jumper across OFF and EN to turn off the IC.
Setup
To operate the EVM, set jumpers JP1 through JP4 to the desired positions per Section 2.1. Connect the
input supply to J1 and J3 and connect the load to J4 and J6.
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Common Efficiency Measurement Errors with Ultra-Low Iq Devices
Efficiency is a common measurement for a power supply. With an ultra-low quiescent current device, such
as the TPS62746, measurement errors can have a large impact on the measured efficiency, especially at
very low load currents (< 100 µA).
3.1
Efficiency Measurement Setup
To accurately measure the efficiency of the TPS62746EVM-706, use the setup described in SLVA236
Figure 6. The 'Additional Input Capacitor' referred to in that application note is not needed as C5 is already
included on the TPS62746EVM-706. Any additional input capacitance is not recommended as it incurs
increased leakage on the input which lowers the measured efficiency.
2
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Common Efficiency Measurement Errors with Ultra-Low Iq Devices
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When measuring efficiency through the setup in SLVA236, special care must be taken to remove the
current consumed by the measurement instruments from the efficiency calculations. Such measurement
instruments typically include the input voltage and output voltage multimeters as well as the input power
supply's remote sense lines (if it has this capability). The current into these points affects the measured
efficiency at very light loads. Two possible methods to overcome this are: measuring the current into these
points (measure the current into the multimeters and/or remote sense lines) and then subtracting this
current from the efficiency calculation or simply removing these instruments from the test setup. At very
light load currents, it is typically best to remove the remote sense lines of the input power supply and then
measure the current into the input and output voltage multimeters to get the most accurate efficiency
measurement.
3.2
Pullup and Pulldown Resistors
In addition to the input capacitor and remote sense lines noted in Section 3.1, any pullup or pulldown
resistors can draw significant current and affect the measured efficiency. For example, if the VSEL pin
were pulled up to the input voltage with a 1-MΩ resistor and the pin were tied low through JP2, this would
draw an extra 3.6 µA from the input source at a 3.6-V input voltage. This would greatly affect the efficiency
at very light loads. For this reason, no pullup or pulldown resistors have been used on the TPS62746EVM706. The final application circuit should ensure that all digital inputs to the TPS62746 are terminated either
high or low and not left floating, per the device data sheet.
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Board Layout
4
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Board Layout
This section provides the TPS62746EVM-706 board layout and illustrations.
Figure 1. Assembly Layer
Figure 2. Top Layer
4
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Figure 3. Bottom Layer
5
TPS62746EVM-706 Configuration
TPS62746 features an integrated VIN switch VINSW. This switch connects/disconnects the pin VINSW
with the input of the TPS62746 VIN.
VIN
2.0V to 5.5V
CIN
4.7 uF
TPS62746
L 2.2 uH
VOUT
VIN
SW
EN
VOS
VSEL
COUT
10 uF
Low Power
MCU & RF
CTRL
GND
VINSW
ADC
Figure 4. TPS62746 Typical Application Circuit
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TPS62746EVM-706 Configuration
5.1
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Schematic
Figure 5 shows the TPS62746EVM-706 schematic.
J4
R1
DNP
50
DNP
1
DNP
GND
5
4
3
2
VIN
J3
VOUT
U1
VIN
2.0V to 5.5V
J1
1
2
3
4
5
6
S+
SGND
C5
47µF
DNPC3
10µF
C1
4.7µF
VIN
A2
EN
B1
VSEL1
VSEL2
VSEL3
C1
D1
D2
GND
L1
VIN
SW
EN
VOS
VSEL1
VSEL2
VSEL3
GND
SW
A1
2.2uH
C2VOUT
J2
C2
10µF
1
2
3
4
5
6
DNPC4
10µF
B2
VOUT
1.2V to 3.3V
S+
SGND
TPS62743YFPR
GND
GND
1
2
3
ON
EN
OFF
GND
VIN
JP1
GND
1
2
3
VIN
VHIGH
VOUT
VOUT
JP2
1
2
3
HIGH
VSEL1
LOW
VIN
VHIGH
VHIGH
JP3
GND
1
2
3
HIGH
VSEL2
LOW
VHIGH
JP4
GND
1
2
3
HIGH
VSEL3
LOW
VHIGH
JP5
GND
Figure 5. TPS62746EVM-706 Schematic
6
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5.2
Bill of Materials
Table 1 lists the TPS62746EVM-706 BOM.
Table 1. TPS62746EVM-706 Bill of Materials
Count
RefDes
Value
Description
Size
Part Number
MFR
1
C1
4.7µF
Capacitor, Ceramic, X5R, 16V,
20%
0402
GRM155R61C475ME15
Murata
1
C2
10uF
Capacitor, Ceramic, X5R, 6.3V,
20%
0402
GRM155R60J106ME11
Murata
1
C5
47µF
Capacitor, Ceramic, X5R, 16V,
20%
1210
GRM32ER61C476ME15L
Murata
1
L1
2.2µH
Inductor, SMT, 1.2A, 204-mΩ
2016
1285AS-H-2R2M
Toko
1
U1
TPS62746
IC, 360 nA IQ Step Down
Converter with VIN Switch
1.6mm x 0.9mm TPS62746YFP
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TPS62746EVM-706 Evaluation Module
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7
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.
2
Limited 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.
3
Regulatory 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.
2.
3.
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,
Use EVMs only after User obtains the license of Test Radio Station as provided in Radio Law of Japan with respect to
EVMs, or
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.
2.
3.
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。
実験局の免許を取得後ご使用いただく。
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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4
EVM 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,
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IMPORTANT NOTICE FOR TI DESIGN INFORMATION AND RESOURCES
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