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[Open Source] PD65W GaN Charger (ACF), Based on DK8607AD, IP6538-AC-65W, XPM52CDP65
Electronics / Circuits

[Open Source] PD65W GaN Charger (ACF), Based on DK8607AD, IP6538-AC-65W, XPM52CDP65

An open-source 65W PD GaN charger design is presented, combining a DK8607AD-based Active Clamp Flyback (24V/3A) supply with IP6538 or XPM52CDP65 fast-charging DCDC boards. The GaN flyback boards failed during testing, while DCDC boards delivered up to 67.7W with ~95–96% efficiency. Schematics, PCB files, transformer specs, and fabrication materials are provided.

发布于 2026-03-02
Open Source 24V3A Flyback Power Supply Based on UC3842, with Transformer Parameter Calculation
Electronics / Circuits

Open Source 24V3A Flyback Power Supply Based on UC3842, with Transformer Parameter Calculation

An open-source 24V 3A flyback switching power supply design for 85–265VAC input, achieving 87.4% peak efficiency. Based on UC3842 with synchronous rectification, it provides schematics, PCB files, transformer calculations and specifications, and PSIM simulation models. Test data shows 83–87% efficiency, 1.81W no-load consumption, and ripple around 560–730mV. Full-load thermal performance requires heatsinking.

发布于 2025-10-13

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