Intelligent Multi-Mode Flyback Controller with GaN FET Driver



Offline Charger
Programmable travel adapter
USB PD Charger
TV / Monitor Standby Power
Notebook Adapter


HY3602 is an intelligent digital multi-mode Flyback controller, which could drive 650V E-Mode GaN directly. The newly developed architecture is inherent features to meet regulatory requirements from around the world.

HY3602 integrates rich protections and features such as, slope compensation, VCC over voltage protection, transformer saturation protection, over-temperature protection, over load protection, output over voltage protection and LPS protection.

HY3602 has 2 options:

HY3602E: 89kHz switching frequency

HY3602H: 130kHz switching frequency


· Intelligent Digital Multi-Mode Control

· Peak Current Mode Control at Burst-Mode /PFM/DCM/QR/CCM(HY3602H)

· Over-load Period up to 56ms

· Switching Frequency Dithering to Improve EMI   

· Adaptive MOSFET Gate Drive to Balance Switching Loss and EMI

· Gate Voltage is Clamped at 6.2V

· Meet Limited Power Source (LPS) safety requirements

· Rich Protection Features  

§   Output OVP


§   Transformer Saturation Protection

§   Output Over Load Protection

§   On chip OTP

· Line Feed-forward Compensation

· Brown-in and Brown-out

· Power Consumption < 75mW

· Low Start-Up Current (<3µA)

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