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EVM User's Guide: TPS7H5020FLYEVM
TPS7H5020-SEP Evaluation Module
Description
The
TPS7H5020FLYEVM
of a
TPS7H5020-SEP
PWM controller driving a
GaN FET switching element in a flyback converter
topology. The EVM provides flexibility to allow for
testing of customized configurations. Tests points and
extra component footprints are provided for easy
device configuration, and performance validation.
SLVUDB7 – JUNE 2025
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demonstrates the operation
EVM Board
Copyright © 2025 Texas Instruments Incorporated
Features
•
Power stage input voltage range from 22V to 36V
•
Independent 4.5V to 14V controller power input
•
4A maximum output current
•
GaN FET switching element
•
0.6V ± 1% voltage reference over line,
temperature, and radiation
TPS7H5020-SEP Evaluation Module
Description
1
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Summary of Contents for Texas Instruments TPS7H5020FLYEVM
- Page 1 0.6V ± 1% voltage reference over line, extra component footprints are provided for easy temperature, and radiation device configuration, and performance validation. EVM Board SLVUDB7 – JUNE 2025 TPS7H5020-SEP Evaluation Module Submit Document Feedback Copyright © 2025 Texas Instruments Incorporated...
- Page 2 1 Evaluation Module Overview 1.1 Introduction The TPS7H5020FLYEVM is an evaluation module (EVM) for the TPS7H5020-SEP and provides a platform to electrically evaluate the features. The EVM demonstrates the TPS7H5020-SEP PWM controller implemented in a flyback topology. This user’s guide provides details about the EVM, including the configuration, schematics, and bill of materials.
- Page 3 Further information about the TPS7H5020 can be found in the TPS7H502x-SP and TPS7H502x-SEP Radiation- Hardened 1MHz Current Mode PWM Controller With Integrated Gate Driver data sheet. SLVUDB7 – JUNE 2025 TPS7H5020-SEP Evaluation Module Submit Document Feedback Copyright © 2025 Texas Instruments Incorporated...
- Page 4 PSR, the 0Ω resistor on R14 must be moved to the empty footprint at R16. The transformer used on the TPS7H5020FLYEVM incorporates an auxiliary winding on the primary side to support PSR. This auxiliary winding has the same 2:1 ratio with the primary as the secondary winding, allowing the same feedback divider to regulate both direct and PSR feedback.
- Page 5 CAUTION The TPS7H5020FLYEVM uses separate power connectors for the power stage and controller power. When powering on the EVM, remember to supply power to the power stage though connectors J1 and J2 before powering (or enabling if using an external enable signal) the TPS7H5020 device.
- Page 6 Implementation Results www.ti.com 3 Implementation Results 3.1 Default Configuration Results The following tests were performed using the TPS7H5020FLYEVM in the default configuration with detailed settings shown in Table 3-1 unless otherwise noted. Table 3-1. Test Settings SPECIFICATION VALUE VOUT 500kHz...
- Page 7 Implementation Results 3.3 Voltage Ripple on VOUT Figure 3-1. Output Voltage Ripple - IOUT = 1A SLVUDB7 – JUNE 2025 TPS7H5020-SEP Evaluation Module Submit Document Feedback Copyright © 2025 Texas Instruments Incorporated...
- Page 8 Figure 3-2. Transient Response to Load Step 100mA to 4A at 8A/µs Figure 3-3. Transient Response to Load Step 4A to 100mA at 8A/µs TPS7H5020-SEP Evaluation Module SLVUDB7 – JUNE 2025 Submit Document Feedback Copyright © 2025 Texas Instruments Incorporated...
- Page 9 Figure 3-4. Frequency Response IOUT = 4A 3.6 Efficiency VIN = 22V VIN = 28V VIN = 36V IOUT (A) Figure 3-5. Efficiency Across VIN SLVUDB7 – JUNE 2025 TPS7H5020-SEP Evaluation Module Submit Document Feedback Copyright © 2025 Texas Instruments Incorporated...
- Page 10 THERMAL_PAD 500kHz TPS7H5020MPWPTSEP 3.24k 76.8k 205k 931k 33nF 470nF 9.53k PGND PGND TP14 TP16 TP17 47nF PGND PGND PGND PGND Figure 4-1. Controller Schematic TPS7H5020-SEP Evaluation Module SLVUDB7 – JUNE 2025 Submit Document Feedback Copyright © 2025 Texas Instruments Incorporated...
- Page 11 10pF 2.00 TP13 GATE OUTL 2.00 PGND TP18 TP19 TP20 PGND TP21 TP15 TP22 PGND PGND PGND PGND PGND Figure 4-2. Power Stage Schematic SLVUDB7 – JUNE 2025 TPS7H5020-SEP Evaluation Module Submit Document Feedback Copyright © 2025 Texas Instruments Incorporated...
- Page 12 Hardware Design Files www.ti.com 4.2 PCB Layouts Figure 4-3. Top Overlay Figure 4-4. Top Solder Mask TPS7H5020-SEP Evaluation Module SLVUDB7 – JUNE 2025 Submit Document Feedback Copyright © 2025 Texas Instruments Incorporated...
- Page 13 Hardware Design Files Figure 4-5. Layer 1 (Top) Figure 4-6. Layer 2 SLVUDB7 – JUNE 2025 TPS7H5020-SEP Evaluation Module Submit Document Feedback Copyright © 2025 Texas Instruments Incorporated...
- Page 14 Hardware Design Files www.ti.com Figure 4-7. Layer 3 Figure 4-8. Layer 4 (Bottom) TPS7H5020-SEP Evaluation Module SLVUDB7 – JUNE 2025 Submit Document Feedback Copyright © 2025 Texas Instruments Incorporated...
- Page 15 Hardware Design Files Figure 4-9. Bottom Solder Mask Figure 4-10. Bottom Overlay SLVUDB7 – JUNE 2025 TPS7H5020-SEP Evaluation Module Submit Document Feedback Copyright © 2025 Texas Instruments Incorporated...
- Page 16 Hardware Design Files www.ti.com Figure 4-11. Drill Drawing TPS7H5020-SEP Evaluation Module SLVUDB7 – JUNE 2025 Submit Document Feedback Copyright © 2025 Texas Instruments Incorporated...
- Page 17 TH, 25 per LBL1 Thermal Transfer Printable Labels, 0.650" W x PCB Label 0.650 x THT-14-423-10 Brady 0.200" H - 10,000 per roll 0.200 inch SLVUDB7 – JUNE 2025 TPS7H5020-SEP Evaluation Module Submit Document Feedback Copyright © 2025 Texas Instruments Incorporated...
- Page 18 TP18, TP19, TP20, TP21, Testpoint TP22 Radiation Tolerant 1MHz Current Mode PWM HTSSOP24 TPS7H5020MPWPTSEP Texas Instruments Controller with Integrated Gate Driver 1206 0603 0603 0805 TPS7H5020-SEP Evaluation Module SLVUDB7 – JUNE 2025 Submit Document Feedback Copyright © 2025 Texas Instruments Incorporated...
- Page 19 Hardware Design Files Designator Quantity Value Description Package Reference PartNumber Manufacturer 0603 0805 SLVUDB7 – JUNE 2025 TPS7H5020-SEP Evaluation Module Submit Document Feedback Copyright © 2025 Texas Instruments Incorporated...
- Page 20 Compliance Information www.ti.com 5 Compliance Information • Texas Instruments, TPS7H5020FLYEVM EU RoHS Declaration of Conformity (DoC) 6 Additional Information 6.1 Trademarks All trademarks are the property of their respective owners. 7 Related Documentation • Texas Instruments, TPS7H401TPS7H502x-SP and TPS7H502x-SEP Radiation-Hardened 1MHz Current...
- Page 21 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 22 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 23 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 24 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 25 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 © 2023, Texas Instruments Incorporated...
- Page 26 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 © 2025, Texas Instruments Incorporated...
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