Texas Instruments LM63625-Q1 User Manual Download Page 11 | Manualshive

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Texas Instruments LM63625-Q1 User Manual Download Page 11

Board Layout

11

SNVU599A – February 2019 – Revised October 2019

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Copyright © 2019, Texas Instruments Incorporated

LM63625EVM EVM User’s Guide

Advance Information

Figure 21. EVM Top Copper Layer

Figure 22. EVM Mid Layer One

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Summary of Contents for LM63625-Q1

Page 1: ...t voltage of 3 5 V to 36 V The LM63625EVM 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 FREQUENCY OU...

Page 2: ...A COUT 2 22 µF IOUT Slew Rate 1 A µs 7 12 Load Transient 2 VIN 5 VOUT 0 1 A to 1 A COUT 2 22 µF IOUT Slew Rate 1 A µs 7 13 Load Transient 12 VIN 5 VOUT 0 A to 2 5 A COUT 2 22 µF IOUT Slew Rate 1 A µs 7 14 Load Transient 2 VIN 5 VOUT 0 1 A to 2 5 A COUT 2 22 µF IOUT Slew Rate 1 A µs 7 15 Output Voltage Ripple Auto Mode 2 VIN 3 3 VOUT 0 A 7 16 Output Voltage Ripple Auto Mode 2 VIN 5 VOUT 0 A 7 17 IC...

Page 3: ...ee Figure 1 for the top of board connections and Figure 2 for the card edge connections The following lists the functions of the connections VIN_EMI Input supply to EVM Connect to a suitable input supply 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 input supply requirements GND System ground VOUT Output of EVM Connect to desired load VOUTS ...

Page 4: ...ted to either VCC or GND for a fixed output voltage selection of 3 3 V or 5 V respectively Alternatively the jumper can be left open and a RVOUTSEL can be populated with 10 kΩ to have the part operate with an adjustable output voltage 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 feedback resistor calculation J2 This jumper allows SYNC to be...

Page 5: ...ion do not use for current sense only VINS Input voltage sense connection Connect to DMM do not use for current sense only GNDS Ground sense point for analog measurements Connect to DMM do not use for current sense only EN Connection for external EN logic input Connect controlling logic to EN test point for external enable control RESET Connected to the RESET pin of the IC It is used as a flag out...

Page 6: ... can be programmed by removing the jumper on J1 before powering on the device and changing the value of RFBT and RFBB on the EVM In addition it is possible that the values of the inductor and the output capacitance need to be changed 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 more information The EVM has been designed for maximum flexibil...

Page 7: ...mentation Feedback Copyright 2019 Texas Instruments Incorporated LM63625EVM EVM User s Guide Advance Information Figure 9 Load Transient 12 VIN 3 3 VOUT 0 A to 2 5 A COUT 2 22 µF IOUT Slew Rate 1 A µs Figure 10 Load Transient 2 VIN 3 3 VOUT 0 1 A to 2 5 A COUT 2 22 µF IOUT Slew Rate 1 A µs Figure 11 Load Transient 12 VIN 5 VOUT 0 A to 1 A COUT 2 22 µF IOUT Slew Rate 1 A µs Figure 12 Load Transient...

Page 8: ... October 2019 Submit Documentation Feedback Copyright 2019 Texas Instruments Incorporated LM63625EVM EVM User s Guide Advance Information Figure 15 Output Voltage Ripple Auto Mode 2 VIN 3 3 VOUT 0 A Figure 16 Output Voltage Ripple Auto Mode 2 VIN 5 VOUT 0 A Figure 17 IC Temperature 48 2 C 2 VIN 3 3 VOUT IOUT 2 5 A fSW 2 1 MHz Figure 18 IC Temperature 49 1 C 2 VIN 5 VOUT IOUT 2 5 A fSW 2 1 MHz ...

Page 9: ...atic 9 SNVU599A February 2019 Revised October 2019 Submit Documentation Feedback Copyright 2019 Texas Instruments Incorporated LM63625EVM EVM User s Guide Advance Information 4 Schematic Figure 19 LM63625EVM Schematic ...

Page 10: ...ns Do not touch Board Layout www ti com 10 SNVU599A February 2019 Revised October 2019 Submit Documentation Feedback Copyright 2019 Texas Instruments Incorporated LM63625EVM EVM User s Guide Advance Information 5 Board Layout Figure 20 Top View of EVM ...

Page 11: ... SNVU599A February 2019 Revised October 2019 Submit Documentation Feedback Copyright 2019 Texas Instruments Incorporated LM63625EVM EVM User s Guide Advance Information Figure 21 EVM Top Copper Layer Figure 22 EVM Mid Layer One ...

Page 12: ...SNVU599A February 2019 Revised October 2019 Submit Documentation Feedback Copyright 2019 Texas Instruments Incorporated LM63625EVM EVM User s Guide Advance Information Figure 23 EVM Mid Layer Two Figure 24 EVM Bottom Copper Layer ...

Page 13: ...f2 Inductor Shielded Metal Composite 1 5 µH 5 8 A 0 019 Ω SMD Wurth Elektronik 74438356015 1 L3 Lf1 Ferrite Bead 600 Ω at 100 MHz 3 A 1210 Taiyo Yuden FBMH3225HM601NT 1 R1 RENT RES 100 k 1 0 1 W AEC Q200 Grade 0 0603 Vishay Dale CRCW0603100KFKEA 1 R3 R8 RVINS 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 Da...

Page 14: ...eedback Copyright 2019 Texas Instruments Incorporated Revision History Advance Information Revision History NOTE Page numbers for previous revisions may differ from page numbers in the current version Changes from Original February 2019 to A Revision Page First public release 1 Updated schematic 9 ...

Page 15: ...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 16: ... 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 17: ...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 18: ... 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 19: ...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 20: ...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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