Texas Instruments LP8731-Q1 Скачать руководство пользователя страница 16

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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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Содержание LP8731-Q1

Страница 1: ...Using the LP8731 Q1 Evaluation Board User s Guide Literature Number SNVU458 November 2014 ...

Страница 2: ...c User Interface GUI 8 5 1 Overview 8 5 2 PC Requirement 8 5 3 Start Up 8 6 General Control and LDO Settings 9 6 1 USBAny Control 9 6 2 GPIO Enable Control 9 6 3 General Control and LDO Settings 9 6 4 System Control 10 6 5 LDO Output Control 10 6 6 Buck Voltage Ramp Rate Control 10 6 7 Buck Function 11 6 8 Misc Page 12 2 Table of Contents SNVU458 November 2014 Submit Documentation Feedback Copyrig...

Страница 3: ... use the LP8731YZREVM The LP8731YZREVM package should include one LP8731YZREVM one USB2ANY box set As Figure 2 shows the USB2ANY box set contains six A F parts and only three parts A B C are required for LP8731YZREVM evaluation 2 1 Jumper Settings Place all the jumpers with dark red power and light blue Enable color mark as shown in Figure 1 2 2 Connect USB2ANY box to LP8731YZREVM 1 Connect USB ca...

Страница 4: ...Hardware Setup www ti com Figure 1 Figure 2 4 LP8731 Q1 Evaluation Board SNVU458 November 2014 Submit Documentation Feedback Copyright 2014 Texas Instruments Incorporated ...

Страница 5: ...ayout and Bill of Materials 3 Board Layout and Bill of Materials Figure 3 LP8731 Q1 Schematic 5 SNVU458 November 2014 LP8731 Q1 Evaluation Board Submit Documentation Feedback Copyright 2014 Texas Instruments Incorporated ...

Страница 6: ...d TH JP18 JP13 JP14 JP15 Header TH 100mil 1x3 Gold plated 230 mil above 8 5 1 x 3 PBC03SAAN Sullins Connector Solutions JP16 JP17 insulator 9 L2 L3 2 2 2 µH VLCF5020T 2R2N2R6 1 TDK Corporation INDUCTOR POWER 2 2UH 2 6A SMD 10 R1 R2 2 4 7 k CRCW08054K70JNEA Vishay Dale RES 4 7kΩ 5 0 125W 0805 11 R15 1 100 k CRCW0805100KFKEA Vishay Dale RES 100kΩ 1 0 125W 0805 SH JP1 SH JP2 SH JP3 SH JP4 SH JP5 12 S...

Страница 7: ... 4 LP8731 Q1EVM PCB Layout and Layers Figure 4 Top Layer Figure 5 Mid Layer 1 Figure 6 Mid Layer 2 Figure 7 Bottom Layer 7 SNVU458 November 2014 LP8731 Q1 Evaluation Board Submit Documentation Feedback Copyright 2014 Texas Instruments Incorporated ...

Страница 8: ...ork 4 0 5 3 Start Up 1 Complete the hardware setup following previous setup section 2 Apply recommended voltage see LP8731 Q1 data sheet SNVSA28 for details to LP8731YZREVM 3 Launch the GUI by double clicking the Icon 4 The GUI then launches as picture shows below NOTE At the first time use the USB2ANY firmware update message window pops up please simply follow the screen instruction to complete t...

Страница 9: ...Y Control 6 2 GPIO Enable Control Figure 10 NOTE In order to have the control works correctly please place the jumpers according to Section 2 6 3 General Control and LDO Settings Figure 11 9 SNVU458 November 2014 LP8731 Q1 Evaluation Board Submit Documentation Feedback Copyright 2014 Texas Instruments Incorporated ...

Страница 10: ...for selecting power up down sequence delay when EN_T control is used 6 5 LDO Output Control Figure 13 Two slide bars are used to change the LDO outputs 6 6 Buck Voltage Ramp Rate Control Figure 14 These four drop down boxes are used to select target voltage and ramp for both buck regulators please read the LP8731Q datasheet link for detail information Read button is for updating reading the latest...

Страница 11: ...k Function Figure 16 This section is used to interface with UVLO enable nPOR delay buck spread spectrum enable and frequency registers 11 SNVU458 November 2014 LP8731 Q1 Evaluation Board Submit Documentation Feedback Copyright 2014 Texas Instruments Incorporated ...

Страница 12: ...Figure 17 This page contains the I2 C log on the left and a manual I2C Read Write tool on the right side default I2 C address is 59 12 LP8731 Q1 Evaluation Board SNVU458 November 2014 Submit Documentation Feedback Copyright 2014 Texas Instruments Incorporated ...

Страница 13: ...ring 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 ...

Страница 14: ... 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 rég...

Страница 15: ... 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 cu...

Страница 16: ...F 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 T...

Страница 17: ...esponsible for compliance with all legal regulatory and safety related requirements concerning its products and any use of TI components in its applications notwithstanding any applications related information or support that may be provided by TI Buyer represents and agrees that it has all the necessary expertise to create and implement safeguards which anticipate dangerous consequences of failur...

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