Texas Instruments TPSM63608 User Manual

36-v, 8-a buck regulator evaluation module
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User's Guide
TPSM63610 36-V, 8-A Buck Regulator Evaluation Module
User's Guide
With an input operating voltage range from 3 V to 36 V and rated output current from 6 A to 8 A, the TPSM63608
and TPSM63610 family of synchronous buck power modules provides flexibility, scalability, and optimized
solution size for a wide range of applications. With integrated power MOSFETs, buck inductor and PWM
controller, these modules enable DC/DC solutions with high density, low EMI, and increased flexibility. Available
EMI mitigation features include dual random spread spectrum (DRSS), RBOOT-configured switch-node slew
rate control, and integrated input bypass capacitors.

Table 1-1. TPSM63608 and TPSM63610 Synchronous Buck DC/DC Power Module Family

DC/DC MODULE
RATED I
TPSM63608
6 A
TPSM63610
8 A
The
TPSM63610EVM
uses the TPSM63610 easy-to-use synchronous buck module IC with a wide output
voltage range of 1 V to 20 V and an output current up to 8 A. The default output voltage of the EVM is set to 5 V
can be adjusted to 3.3 V through a jumper setting.
The solution supports adjustable input voltage UVLO for application-specific power-up and power-down
requirements, external clock synchronization to mitigate beat frequencies in noise-sensitive applications,
PGOOD indicator for sequencing and output voltage monitoring, pin-selectable spread spectrum control for
EMI mitigation, and pin selectable MODE control for light-load performance with AUTO mode or fixed switching
frequency with FPWM mode.
SLVUCF1A – SEPTEMBER 2022 – REVISED OCTOBER 2022
Submit Document Feedback
ABSTRACT
PACKAGE
DIMENSIONS
OUT
B3-QFN (22)
6.5 mm × 7.5 mm
Copyright © 2022 Texas Instruments Incorporated
FEATURES
RT adjustable F
,
SW
external synchronization
TPSM63610 36-V, 8-A Buck Regulator Evaluation Module User's Guide
EMI MITIGATION
DRSS, slew-rate control, integrated
input, VCC and BOOT capacitors
1

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Summary of Contents for Texas Instruments TPSM63608

  • Page 1: Table 1-1. Tpsm63608 And Tpsm63610 Synchronous Buck Dc/Dc Power Module Family

    User's Guide ABSTRACT With an input operating voltage range from 3 V to 36 V and rated output current from 6 A to 8 A, the TPSM63608 and TPSM63610 family of synchronous buck power modules provides flexibility, scalability, and optimized solution size for a wide range of applications.
  • Page 2: Table Of Contents

    Figure 4-7. Bottom Layer Copper (Viewed From Top)....................... Figure 4-8. Layer Stackup................................. List of Tables Table 1-1. TPSM63608 and TPSM63610 Synchronous Buck DC/DC Power Module Family............. Table 2-1. EVM Power Connections............................Table 2-2. EVM Signal Connections............................Table 4-1. Component BOM..............................
  • Page 3 Texas Instruments. WEBENCH ® is a registered trademark of Texas Instruments. All trademarks are the property of their respective owners. SLVUCF1A – SEPTEMBER 2022 – REVISED OCTOBER 2022 TPSM63610 36-V, 8-A Buck Regulator Evaluation Module User's Guide Submit Document Feedback Copyright ©...
  • Page 4: High-Density Evm Description

    Factory automation and control, power delivery • Inverting buck-boost (IBB) circuits requiring negative output voltage TPSM63610 36-V, 8-A Buck Regulator Evaluation Module User's Guide SLVUCF1A – SEPTEMBER 2022 – REVISED OCTOBER 2022 Submit Document Feedback Copyright © 2022 Texas Instruments Incorporated...
  • Page 5: Test Setup And Procedure

    Power-good monitor output. PG is an open-drain flag with a 100-kΩ pullup resistor to VOUT. SLVUCF1A – SEPTEMBER 2022 – REVISED OCTOBER 2022 TPSM63610 36-V, 8-A Buck Regulator Evaluation Module User's Guide Submit Document Feedback Copyright © 2022 Texas Instruments Incorporated...
  • Page 6: Evm Setup

    Before applying power to the EVM, make sure that the jumper is present and properly positioned for the intended switching frequency. Always remove input power before changing the jumper settings. TPSM63610 36-V, 8-A Buck Regulator Evaluation Module User's Guide SLVUCF1A – SEPTEMBER 2022 – REVISED OCTOBER 2022 Submit Document Feedback Copyright © 2022 Texas Instruments Incorporated...
  • Page 7: Test Equipment

    SLVUCF1A – SEPTEMBER 2022 – REVISED OCTOBER 2022 TPSM63610 36-V, 8-A Buck Regulator Evaluation Module User's Guide Submit Document Feedback Copyright © 2022 Texas Instruments Incorporated...
  • Page 8: Test Data And Performance Curves

    Figure 3-6. Efficiency, V = 3.3 V, F = 1 MHz, FPWM Mode AUTO Mode TPSM63610 36-V, 8-A Buck Regulator Evaluation Module User's Guide SLVUCF1A – SEPTEMBER 2022 – REVISED OCTOBER 2022 Submit Document Feedback Copyright © 2022 Texas Instruments Incorporated...
  • Page 9: Figure 3-7. Load Regulation, V

    Figure 3-8. Load Regulation, V = 3.3 V, F MHz, FPWM Mode MHz, AUTO Mode SLVUCF1A – SEPTEMBER 2022 – REVISED OCTOBER 2022 TPSM63610 36-V, 8-A Buck Regulator Evaluation Module User's Guide Submit Document Feedback Copyright © 2022 Texas Instruments Incorporated...
  • Page 10: Waveforms

    Figure 3-13. Infrared Thermal Image V = 12 V, = 5 V = 5 V TPSM63610 36-V, 8-A Buck Regulator Evaluation Module User's Guide SLVUCF1A – SEPTEMBER 2022 – REVISED OCTOBER 2022 Submit Document Feedback Copyright © 2022 Texas Instruments Incorporated...
  • Page 11: Bode Plot

    Figure 3-17. Bode Plot With Four 47-µF, 16-V Output Capacitors (110 µF Effective at 5 VDC, 25°C) SLVUCF1A – SEPTEMBER 2022 – REVISED OCTOBER 2022 TPSM63610 36-V, 8-A Buck Regulator Evaluation Module User's Guide Submit Document Feedback Copyright © 2022 Texas Instruments Incorporated...
  • Page 12: Figure 3-18. Output Capacitor Voltage Derating Curve

    Test Data and Performance Curves www.ti.com DC Bias (V) Figure 3-18. Output Capacitor Voltage Derating Curve TPSM63610 36-V, 8-A Buck Regulator Evaluation Module User's Guide SLVUCF1A – SEPTEMBER 2022 – REVISED OCTOBER 2022 Submit Document Feedback Copyright © 2022 Texas Instruments Incorporated...
  • Page 13: Emi Performance

    Figure 3-20. CISPR 11 Class B Radiated Emissions: V = 24 V, SPSP ON SLVUCF1A – SEPTEMBER 2022 – REVISED OCTOBER 2022 TPSM63610 36-V, 8-A Buck Regulator Evaluation Module User's Guide Submit Document Feedback Copyright © 2022 Texas Instruments Incorporated...
  • Page 14: Evm Documentation

    4 EVM Documentation 4.1 Schematic Figure 4-1 illustrates the EVM schematic. Figure 4-1. EVM Schematic TPSM63610 36-V, 8-A Buck Regulator Evaluation Module User's Guide SLVUCF1A – SEPTEMBER 2022 – REVISED OCTOBER 2022 Submit Document Feedback Copyright © 2022 Texas Instruments Incorporated...
  • Page 15: Bill Of Materials

    0402 CRCW04024K99FKED Vishay-Dale 16.5 kΩ RES, 16.5 kΩ, 1%, 0.1 W 0603 CRCW060316K5FKEA Vishay-Dale SLVUCF1A – SEPTEMBER 2022 – REVISED OCTOBER 2022 TPSM63610 36-V, 8-A Buck Regulator Evaluation Module User's Guide Submit Document Feedback Copyright © 2022 Texas Instruments Incorporated...
  • Page 16 Test Point, Miniature, SMT 5019 Keystone TP5, TP6, TP7, TP8 TPSM63610RDFR B3QFN-22 TPSM63610RDFR Texas Instruments TPSM63610 36-V, 8-A Buck Regulator Evaluation Module User's Guide SLVUCF1A – SEPTEMBER 2022 – REVISED OCTOBER 2022 Submit Document Feedback Copyright © 2022 Texas Instruments Incorporated...
  • Page 17: Pcb Layout

    The PCB is 62-mils standard thickness with 2-oz copper on all layers. Figure 4-2. 3D Top View Figure 4-3. 3D Bottom View SLVUCF1A – SEPTEMBER 2022 – REVISED OCTOBER 2022 TPSM63610 36-V, 8-A Buck Regulator Evaluation Module User's Guide Submit Document Feedback Copyright © 2022 Texas Instruments Incorporated...
  • Page 18: Figure 4-4. Top Layer Copper

    EVM Documentation www.ti.com Figure 4-4. Top Layer Copper Figure 4-5. Layer 2 Copper TPSM63610 36-V, 8-A Buck Regulator Evaluation Module User's Guide SLVUCF1A – SEPTEMBER 2022 – REVISED OCTOBER 2022 Submit Document Feedback Copyright © 2022 Texas Instruments Incorporated...
  • Page 19: Multi-Layer Stackup

    Figure 4-7. Bottom Layer Copper (Viewed From Top) 4.4 Multi-Layer Stackup Figure 4-8. Layer Stackup SLVUCF1A – SEPTEMBER 2022 – REVISED OCTOBER 2022 TPSM63610 36-V, 8-A Buck Regulator Evaluation Module User's Guide Submit Document Feedback Copyright © 2022 Texas Instruments Incorporated...
  • Page 20: Device And Documentation Support

    2. Optimize the design for key parameters such as efficiency, footprint, and cost using the optimizer dial. 3. Compare the generated design with other possible solutions from Texas Instruments. The WEBENCH Power Designer provides a customized schematic along with a list of materials with real-time pricing and component availability.
  • Page 21: Revision History

    Added infrared thermal images.........................10 • Changed conducted EMI to radiated EMI for 24-V input.................. SLVUCF1A – SEPTEMBER 2022 – REVISED OCTOBER 2022 TPSM63610 36-V, 8-A Buck Regulator Evaluation Module User's Guide Submit Document Feedback Copyright © 2022 Texas Instruments Incorporated...
  • Page 22 STANDARD TERMS FOR EVALUATION MODULES Delivery: TI delivers TI evaluation boards, kits, or modules, including any accompanying demonstration software, components, and/or documentation which may be provided together or separately (collectively, an “EVM” or “EVMs”) to the User (“User”) in accordance with the terms set forth herein.
  • Page 23 www.ti.com Regulatory Notices: 3.1 United States 3.1.1 Notice applicable to EVMs not FCC-Approved: FCC NOTICE: 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.
  • Page 24 www.ti.com 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...
  • Page 25 www.ti.com 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.
  • Page 26 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 © 2019, Texas Instruments Incorporated...
  • Page 27 TI products. TI’s provision of these resources does not expand or otherwise alter TI’s applicable warranties or warranty disclaimers for TI products. TI objects to and rejects any additional or different terms you may have proposed. IMPORTANT NOTICE Mailing Address: Texas Instruments, Post Office Box 655303, Dallas, Texas 75265 Copyright © 2022, Texas Instruments Incorporated...

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