40W variable output power supply design based on InnoSwitch3-Pro

Overview

This design shows high power density and high efficiency, as the InnoSwitch3-Pro controller is highly integrated, providing superior performance. This is a constant power charger using the InnoSwitch3-Pro and a Microchip PIC16F18325 microcontroller. Features Summary and Functionality InnoSwitch3-Pro is the industry’s first AC/DC IC with isolation, safety rated integrated feedback and I2C interface Fully programmable and configurable power supply Telemetry (readback) capability with fully configurable protection features All the benefits of secondary side control, with the simplicity of primary side management Insensitive to transformer variations Built-in high efficiency synchronous rectification Meets DOE6 and CoC V5 2016 Integrated thermal protection Primary induced overvoltage protection

Design Files

rdr-641_40watt_constant_power_variable_output_power_supply_using_innoswitch3-pro[1].pdf

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Update:2025-06-19 22:45:52

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