Texas Instruments LM53625 QEVM Series Скачать руководство пользователя страница 22

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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 LM53625 QEVM Series

Страница 1: ...LM53625xQEVM and LM53635xQEVM User s Guide Literature Number SNVU526 May 2016 ...

Страница 2: ...nt 11 5 2 Measure Load Transient 12 5 3 Measure EMI 12 6 Posts Probes and Jumpers 13 6 1 VIN1 and GND1 Posts 13 6 2 VOUT and GND Posts 13 6 3 IN and IN Posts 13 6 4 EN and GND2 Probe 13 6 5 VINs VOUTs and GNDs Probe 13 6 6 BIAS and GNDS Probe 13 6 7 RESET and GND3 Probe 14 6 8 SYNC and GND3 Probe 14 6 9 Jumper J1 14 6 10 Jumper J2 14 6 11 Jumper J3 14 7 Bill of Materials 14 8 Efficiency and Line a...

Страница 3: ...n many designs for start stop applications An open drain RESET output with filtering and Power GOOD delay provides a true indication of system status This feature negates the requirement for additional supervisory circuitry saving cost and board space Seamless transition between PWM and PFM operation AUTO MODE along with a low quiescent current ensures high efficiency at all loads The Texas Instru...

Страница 4: ...NPUT VIN1 and GND1 IN IN Power Supply Input Power Input for EMI Test typical 13 5 V range 3 5 to 36 V transient typical 13 5 V Power Output VOUT and GND Power Output to Load typical 3 3 V or 5 V JUMPERS J1 FPWM pin J2 ENABLE pin J3 RESET pin Auto Mode or Forced PWM Enable LM536325x and LM536335x Open drain output Set Default AUTO MODE Set Default EN VIN Optional RESET VOUT TEST POINTS GNDs GND2 an...

Страница 5: ...02 LM53635AQEVM ADJ 3 5A w o SS 003 004 005 LM53635LQEVM 5 0V 3 5A with SS LM53635MQEVM ADJ 3 5A with SS LM53635NQEVM 3 3V 3 5A with SS 1 2 J3 HTSW 102 07 G S 1 2 3 J1 HTSW 103 07 G S Vout 3 3V fixed 5 0V adjust 5 0V fixed 5 0V adjust 3 3V fixed EN VIN VIN BOOT 4 7µF Cvcc 100k R6 RESET 0 1µF Cbias VOUT VOUT VIN VOUTs GNDs VINs 2 2µH L1 SYNC 3 0 Rbias AGND GND NTG Net Tie Copyright 2016 Texas Instr...

Страница 6: ...S 1 2 3 J1 HTSW 103 07 G S Vout 3 3V fixed 5 0V adjust 5 0V fixed 5 0V adjust 3 3V fixed EN VIN VIN BOOT 4 7µF Cvcc 100k R6 RESET 0 1µF Cbias VOUT VOUT VIN VOUTs GNDs VINs 2 2µH L1 SYNC 3 0 Rbias AGND GND NTG Net Tie Copyright 2016 Texas Instruments Incorporated Schematics www ti com 6 SNVU526 May 2016 Submit Documentation Feedback Copyright 2016 Texas Instruments Incorporated LM53625xQEVM and LM5...

Страница 7: ...e 8 shows the PCB Layout for each Cu Layer Top Layer1 and Bottom Layer4 are constructed using large filled Cu areas connected to GND This is done to improve thermal performance as well as improve overall EMI performance Mid Layer 2 is constructed using a large GND plane as well The intention here is to minimize loop inductance by placing metal right under the Top Layer 1 traces minimizing the cros...

Страница 8: ...SNVU526 May 2016 Submit Documentation Feedback Copyright 2016 Texas Instruments Incorporated LM53625xQEVM and LM53635xQEVM User s Guide Figure 5 PCB Layout Top Layer 1 Top View Figure 6 PCB Layout Mid Layer 2 GND Plane Top View ...

Страница 9: ...2016 Submit Documentation Feedback Copyright 2016 Texas Instruments Incorporated LM53625xQEVM and LM53635xQEVM User s Guide Figure 7 PCB Layer Mid Layer 3 Top View Figure 8 PCB Layer Bottom Layer 4 Flipped View as Seen From Bottom of Board ...

Страница 10: ...ww ti com 10 SNVU526 May 2016 Submit Documentation Feedback Copyright 2016 Texas Instruments Incorporated LM53625xQEVM and LM53635xQEVM User s Guide Figure 9 PCB Layer 5 Dimensions Figure 10 PCB Layer 7 Composite Top ...

Страница 11: ...V bulk capacitor to posts VIN1 and GND1 Always use sufficient power wires and separate measurement sense wires NOTE These sense lines are not designed to carry power 3 To accurately sense input and output voltage use the test points VINs VOUTs and GNDs Alternatively sense wires can be soldered directly over input capacitors C1 or C2 and the output capacitors C01 or C02 4 Make sure the IC is enable...

Страница 12: ...er the output capacitors C01 or C02 Make sure to connect scope probe GND ring directly to the output capacitor GND pad for minimal ground loop Ground loops can introduce ringing in observed waveforms which is an artifact not present on the PCB Alternatively use differential probe over output capacitors C01 or C02 Do not use wires to differential probe and always probe directly with shortest possib...

Страница 13: ... ferrite bead for high frequency filtering If one wishes to measure a setup with a common mode choke add the choke and remove bypass resistors R1 and R2 6 4 EN and GND2 Probe EN and GND2 probe can be used to measure the enable voltage or drive it from external source If an external source is used make sure to remove jumper J2 By default J2 jumper is set EN to VIN 6 5 VINs VOUTs and GNDs Probe VINs...

Страница 14: ...and pulls the enable pin through a 100 kΩ resistor to Vin If an external source drives the EN pin then remove jumper J2 and use probe points EN and GND2 or use a 3 pin wire connector directly plugged over J2 6 11 Jumper J3 Jumper J3 pulls the open drain RESET output to VOUT through a 100 kΩ resistor If another RESET output level is needed use probe point RESET and pullup resistor to external refer...

Страница 15: ...ns RNL0022A LM536253QRNLRQ1 RFBB 0 DNP RFBT 1 0 Ω 2 5 3 5 A Synchronous Buck Regulator for Automotive Applications RNL0022A CRCW04020000Z0ED CFF 0 DNP Variant 002 LM53635AQEVM Adjustable 5 V 3 5 A Without Spread Spectrum U1 1 2 5 3 5 A Synchronous Buck Regulator for Automotive Applications RNL0022A LM53635AQRNLRQ1 RFBB 1 12 1 k RES 12 1 k 1 0 063 W 0402 CRCW040212K1FKED RFBT 1 49 9 k RES 49 9 k 1 ...

Страница 16: ...1 5 2 2 5 3 3 5 50 55 60 65 70 75 80 85 90 95 100 D006 5 5Vin 8Vin 12Vin 13 5Vin 18Vin 36Vin Efficiency and Line and Load Regulation www ti com 16 SNVU526 May 2016 Submit Documentation Feedback Copyright 2016 Texas Instruments Incorporated LM53625xQEVM and LM53635xQEVM User s Guide 8 Efficiency and Line and Load Regulation The variant of the board LM53635LQEVM is used for all measurements and curv...

Страница 17: ...orporated LM53625xQEVM and LM53635xQEVM User s Guide 8 1 Load Transients VOUT 5 V IOUT 0 mA to 3 5 A FPWM TR TF 1 µs Figure 18 LM53635LQEVM Load Regulation VOUT 5 V IOUT 10 mA to 3 5 A AUTO TR TF 1 µs Figure 19 LM53635LQEVM Load Transients 8 2 Conducted EMI Figure 20 Conducted EMI Setup Front View Figure 21 Conducted EMI Setup Side View ...

Страница 18: ... Texas Instruments Incorporated LM53625xQEVM and LM53635xQEVM User s Guide Figure 22 LM53635LQEVM Low Frequency Conducted EMI Results for 5 Vout With Spread Spectrum Green Average and Yellow Peak Figure 23 LM53635LQEVM High Frequency Conducted EMI Results for 5 Vout With Spread Spectrum Green Average and Yellow Peak ...

Страница 19: ...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 20: ... 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 21: ... 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 22: ...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 23: ...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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