Wireless EV charging station

Products and reference designs

Wireless EV charging station

Block diagram

Overview

Our integrated circuits and reference designs help you create smarter and safer wireless electric vehicle (EV) charging stations. Whether a WPT1, WPT2 or WPT3 charging subsystem, we can help enable your design to efficiently transmit and receive power from a single, three-phase AC outlet.

Design requirements:

Modern wireless EV charging stations often require:

  • High-efficiency PFC stage followed by isolated or non-isolated inverter power stage.
  • Foreign object detection of any object, especially metallic material.
  • Live object protection with false trigger avoidance to create a virtual safety circle.
  • Accurate, precise superposition of transmit and receive power coil.

Block diagram

Find products and reference designs for your system.

Technical documentation

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Type Title Date
White paper Impact of an isolated gate driver (Rev. A) 28 Feb 2019
Technical articles Inductive sensing: setting the sensor current-drive without a fancy impedance analyzer 24 Mar 2016
White paper Maximizing power for Level 3 EV charging stations 22 Jun 2018
White paper Scalable Solutions for HMI 21 Nov 2013
White paper Smart power opens door to more efficient electrical use 21 Mar 2016
Technical articles Frequency references: Crystal oscillator operation and specs 20 Nov 2013
White paper Taking charge of electric vehicles ā€“ both in the vehicle and on the grid (Rev. A) 17 Jun 2020
Technical articles Inductive sensing: How far can I sense? 17 Jun 2015
Technical articles How to get started with current sense amplifiers ā€“ part 3 09 Jul 2015
Application note Using a Single-Output Gate-Driver for High-Side or Low-Side Drive (Rev. A) 04 Jun 2018
Application note Understanding Peak IOH and IOL Currents (Rev. A) 01 Apr 2020

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