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Microchip Single-Phase AC Residential EV Charger Reference Design

Integrated EV charging design for residential applications

Microchip's Single-Phase AC Residential EV Charger Reference Design helps accelerate development of residential EV charging systems by integrating metering, communication, control, and safety features into a complete platform. Supporting up to 7.4 kW charging power, it reduces development complexity while providing accurate energy monitoring and secure wireless connectivity.

The design combines proven hardware and software building blocks, including energy metering, BLE communication, and vehicle communication logic, to help reduce development time and risk. With source code and reference software included, developers can rapidly prototype and deploy residential EV charging solutions while maintaining reliability and safety.

Features

  • ATM90E26 energy metering IC with ±1% accuracy
  • Automatic calibration support
  • SAMD21 Arm® Cortex®-M0+ MCU
  • Integrated relay and driver
  • Up to 7.4 kW charging capability
  • BM70 Bluetooth® Low Energy module
  • Secure BLE communication
  • Full CP logic stack included
  • Ready-to-use source code

Applications

  • Residential EV charging stations
  • Level 2 charging systems
  • Embedded EVSE development
  • Energy monitoring systems
  • EV infrastructure solutions

 

Design Diagram

Microchip EV42E83A Design Diagram