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Texas Instruments LM63625QDRREVM, User Manual, Page: 8 / 17

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Texas Instruments LM63625QDRREVM User Manual Download Page 8

CAUTION

Caution Hot surface.
Contact may cause burns.
Do not touch.

Board Layout

www.ti.com

8

SNVU702 – February 2020

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Copyright © 2020, Texas Instruments Incorporated

LM63625QDRREVM EVM User’s Guide

5

Board Layout

Figure 9. Top View of EVM

Figure 10. Bottom View of EVM

Summary of Contents for LM63625QDRREVM

Page 1: ... V The LM63625 Q1 features a selectable output voltage of 3 3 V or 5 V and a switching frequency of 2 1 MHz See the LM636x5 Q1 3 5 V to 36 V 1 5 A and 2 5 A Automotive Step down Voltage Converter Data Sheet for additional features detailed description and available options The EVM options are found in Table 1 Table 1 Device and Package Configurations EVM DEVICE OUTPUT CURRENT SWITCHING FREQUENCY P...

Page 2: ...3 3 V fSW 2100 KHz 6 7 Efficiency Without Input Filter AUTO Mode VOUT 5 V fSW 2100 KHz 6 8 LM63625EVM Schematic 7 9 Top View of EVM 8 10 Bottom View of EVM 8 11 EVM Top Copper Layer 9 12 EVM Mid Layer One 9 13 EVM Mid Layer Two 10 14 EVM Bottom Copper Layer 10 List of Tables 1 Device and Package Configurations 1 2 BOM for LM63625EVM 11 Trademarks All trademarks are the property of their respective...

Page 3: ...r connections See Figure 2 for the top of board connections and Figure 3 for the card edge connections See the LM636x5 Q1 3 5 V to 36 V 1 5 A and 2 5 A Automotive Step down Voltage Converter Data Sheet for details The following lists the functions of the connections VINEMI Input supply to EVM Connect to a suitable input supply GND System ground VOUT Output of EVM Connect to desired load VOS Output...

Page 4: ... Edge Connections 1 1 Jumpers See Figure 4 for jumper locations VSEL This jumper allows output voltage selection of either 3 3 V or 5 V See the Section 2 for details MODE This jumper allows the selection of either AUTO mode or FPWM mode In addition by removing this jumper and supplying a clock signal to the SYNC MODE test point the device can by synchronized to an external clock EN This jumper tur...

Page 5: ... sense connection Connect to DMM GNDS Ground sense point for analog measurements Connect to DMM EN Connected to the EN input of the device RESET Connected to the RESET pin of the IC It is used as a flag output The reset function can be monitored at this test point Pull up resistor RPU must be populated A typical value for pullup resistor is 100 kΩ SYNC MODE Connected to the SYNC MODE pin of the IC...

Page 6: ...otive Step down Voltage Converter Data Sheet for more information The switching mode of the EVM can be changed by using the SYNC MODE jumper this selection can be made on the fly To use the RESET function a pullup resistor is required A place for this resistor is provided on the bottom of the PCB RPU Values of 10 kΩ to 100 kΩ are appropriate Be sure to limit the voltage on this pullup to less than...

Page 7: ...www ti com Schematic 7 SNVU702 February 2020 Submit Documentation Feedback Copyright 2020 Texas Instruments Incorporated LM63625QDRREVM EVM User s Guide 4 Schematic Figure 8 LM63625EVM Schematic ...

Page 8: ...e burns Do not touch Board Layout www ti com 8 SNVU702 February 2020 Submit Documentation Feedback Copyright 2020 Texas Instruments Incorporated LM63625QDRREVM EVM User s Guide 5 Board Layout Figure 9 Top View of EVM Figure 10 Bottom View of EVM ...

Page 9: ... com Board Layout 9 SNVU702 February 2020 Submit Documentation Feedback Copyright 2020 Texas Instruments Incorporated LM63625QDRREVM EVM User s Guide Figure 11 EVM Top Copper Layer Figure 12 EVM Mid Layer One ...

Page 10: ...yout www ti com 10 SNVU702 February 2020 Submit Documentation Feedback Copyright 2020 Texas Instruments Incorporated LM63625QDRREVM EVM User s Guide Figure 13 EVM Mid Layer Two Figure 14 EVM Bottom Copper Layer ...

Page 11: ...2 Inductor Shielded Metal Composite 4 7 µH 2 9 A 0 076 Ω SMD Wurth Elektronik 74438356047 1 L3 Lf1 Ferrite Bead 600 Ω at 100 MHz 3 A 1210 Taiyo Yuden FBMH3225HM601NT 1 R1 RINJ RES 49 9 1 0 1 W AEC Q200 Grade 0 0603 Vishay Dale CRCW060349R9FKEA 1 R2 R6 RT2 RFBT RES 0 1 0 1 W AEC Q200 Grade 0 0603 Stackpole Electronics Inc RMCF0603ZT0R00 2 R6 RINJ RES 49 9 1 0 1 W AEC Q200 Grade 0 0603 Vishay Dale C...

Page 12: ...other than TI b the nonconformity resulted from User s design specifications or instructions for such EVMs or improper system design or c User has not paid on time Testing and other quality control techniques are used to the extent TI deems necessary TI does not test all parameters of each EVM User s claims against TI under this Section 2 are void if User fails to notify TI of any apparent defects...

Page 13: ... 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...

Page 14: ...y for convenience and should be verified by User 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 R...

Page 15: ... 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...

Page 16: ...OR DAMAGES ARE CLAIMED THE EXISTENCE OF MORE THAN ONE CLAIM 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...

Page 17: ...se resources are subject to change without notice TI grants you permission to use these resources only for development of an application that uses the TI products described in the resource Other reproduction and display of these resources is prohibited No license is granted to any other TI intellectual property right or to any third party intellectual property right TI disclaims responsibility for...

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