This document presents a detailed design for a 28-V to 5-V, 10-A flyback converter, utilizing the TPS7H5001-SP controller. This design is optimized for applications requiring efficient voltage conversion from a 28-V bus to a 5-V output, suitable for demanding environments such as satellite power systems.
The design explores the implementation of the TPS7H5001-SP controller to achieve robust voltage regulation at up to 10 A of current, examining performance with and without synchronous rectification. It provides comprehensive insights into system overview, design considerations, theoretical calculations, test results, and detailed design files including schematics and bill of materials.
Key Features & Applications
- High efficiency with a radiation-hardened PWM controller.
- Synchronous rectification for improved performance.
- High-side current sensing and pulse-by-pulse current limiting.
- Applications include command and data handling, satellite electric power systems, optical imaging payloads, radar imaging payloads, and communications payloads.