Table of Contents
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User's Guide
TPS51220 Buck Controller Evaluation Module User's
Guide
1 Description..............................................................................................................................................................................
Performance...........................................................................................................................................................2
3
Schematic................................................................................................................................................................................3
Procedure......................................................................................................................................................4
4.1 Test Setup..........................................................................................................................................................................
4.2 Test Procedure...................................................................................................................................................................
5 Configuration..........................................................................................................................................................................
5.1 Switching Frequency Selection..........................................................................................................................................
5.3 Current-Sensing Selection.................................................................................................................................................
5.6 Soft-Start Setting Selection................................................................................................................................................
5.7 Output Voltage Adjustment................................................................................................................................................
6 Bill of Materials.......................................................................................................................................................................
7 EVM Assembly Drawing and PCB Layout............................................................................................................................
8
Reference...............................................................................................................................................................................11
History....................................................................................................................................................................11
Trademarks
All trademarks are the property of their respective owners.
SLVU251B - JUNE 2008 - REVISED FEBRUARY 2022
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Table of Contents
Selection.........................................................................................................................5
Selection........................................................................................................................6
Selection..............................................................................................................................6
Copyright © 2022 Texas Instruments Incorporated
TPS51220 Buck Controller Evaluation Module User's Guide
Table of Contents
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Summary of Contents for Texas Instruments TPS51220EVM
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Page 1: Table Of Contents
7 EVM Assembly Drawing and PCB Layout..........................Reference....................................11 9 Revision History..................................11 Trademarks All trademarks are the property of their respective owners. SLVU251B – JUNE 2008 – REVISED FEBRUARY 2022 TPS51220 Buck Controller Evaluation Module User's Guide Submit Document Feedback Copyright © 2022 Texas Instruments Incorporated... -
Page 2: Description
VIN = 12 V Output ripple voltage VIN = 12 V, Iout2 = 6 A mVp-p TPS51220 Buck Controller Evaluation Module User's Guide SLVU251B – JUNE 2008 – REVISED FEBRUARY 2022 Submit Document Feedback Copyright © 2022 Texas Instruments Incorporated... -
Page 3: Schematic
Schematic 3 Schematic Figure 3-1. HPA302 EVM Schematic Diagram (DCR-Sensing) SLVU251B – JUNE 2008 – REVISED FEBRUARY 2022 TPS51220 Buck Controller Evaluation Module User's Guide Submit Document Feedback Copyright © 2022 Texas Instruments Incorporated... -
Page 4: Test Setup And Procedure
TP12 VOUT2 Oscilloscope Figure 4-1. Equipment Setup for TPS51220EVM Board 4.2 Test Procedure 1. Ensure that the switches S1 (EN1), S2 (EN2), and S3 (EN) are in OFF position. 2. Ensure that the shunt jumpers for JP1 (TRIP) is set 7-pin to 8-pin (VREG5; Vocl = 60 mV, Discharge- enabled), JP2 (FUNC) is set 1-pin to 2-pin (GND;... -
Page 5: Configuration
Cut trace "Put on” means add appropriate resistor. For external resistor sensing, cut the trace as follows. SLVU251B – JUNE 2008 – REVISED FEBRUARY 2022 TPS51220 Buck Controller Evaluation Module User's Guide Submit Document Feedback Copyright © 2022 Texas Instruments Incorporated... -
Page 6: Overcurrent Limit And Discharge Selection
Output voltage is programmable by changing R2, R3, and R5 for CH1 and R21, R23, and R24 for CH2. Default setting is 5 V for CH1 and 3.3 V for CH2. TPS51220 Buck Controller Evaluation Module User's Guide SLVU251B – JUNE 2008 – REVISED FEBRUARY 2022 Submit Document Feedback Copyright © 2022 Texas Instruments Incorporated... -
Page 7: Bill Of Materials
Resistor, Chip 0603 R18, R28 Resistor, Chip, 5.6kΩ, 1/10W, 1% 0603 R19, R26 Resistor, Chip 0603 SLVU251B – JUNE 2008 – REVISED FEBRUARY 2022 TPS51220 Buck Controller Evaluation Module User's Guide Submit Document Feedback Copyright © 2022 Texas Instruments Incorporated... - Page 8 SYNC, GNDS Pin, Wiring Terminal (SYNC) 0.12(D) × 0.4 inch Mill Max or 3183-2-00-15-00-00-080 MAC8 or WT-3-1 TPS51220 Buck Controller Evaluation Module User's Guide SLVU251B – JUNE 2008 – REVISED FEBRUARY 2022 Submit Document Feedback Copyright © 2022 Texas Instruments Incorporated...
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Page 9: Evm Assembly Drawing And Pcb Layout
7 EVM Assembly Drawing and PCB Layout Figure 7-1. Top Layer/ Assembly Figure 7-2. Inner Layer 1 SLVU251B – JUNE 2008 – REVISED FEBRUARY 2022 TPS51220 Buck Controller Evaluation Module User's Guide Submit Document Feedback Copyright © 2022 Texas Instruments Incorporated... - Page 10 EVM Assembly Drawing and PCB Layout www.ti.com Figure 7-3. Inner Layer 2 Figure 7-4. Bottom Layer/ Assembly TPS51220 Buck Controller Evaluation Module User's Guide SLVU251B – JUNE 2008 – REVISED FEBRUARY 2022 Submit Document Feedback Copyright © 2022 Texas Instruments Incorporated...
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Page 11: Reference
Updated the numbering format for tables, figures, and cross-references throughout the document....2 • Updated the user's guide title..........................SLVU251B – JUNE 2008 – REVISED FEBRUARY 2022 TPS51220 Buck Controller Evaluation Module User's Guide Submit Document Feedback Copyright © 2022 Texas Instruments Incorporated... - Page 12 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 13 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 14 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 15 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 16 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 17 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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