Skip to Main Content
Contact
浏览产品 (中文)

22kW Bi-directional High Efficiency Active Front End (AFE) Converter

Product Shot of Wolfspeed's Reference Design of a 22kW Bi-directional High Efficiency Active Front End (AFE) Converter
CRD-22AD12N

This reference design demonstrates the application of Wolfspeed’s 1200V C3M™ SiC MOSFETs to create a 22kW three phase bidirectional active front end (AFE) converter for electric vehicle (EV) on-board charger (OBC); off-board fast charging; and other industrial applications such as energy storage systems and three phase PFC power supplies. This design operates as a standalone AC/DC converter and is compatible with both single-phase and three-phase inputs. It has two operating modes: power factor correction (PFC) mode and inverter mode. In both modes; the DC bus voltage is flexible to demonstrate operation under a range of conditions. The use of 1200V C3M™ 32mOhm SiC MOSFETs in a TO- 247-4 package provides the best figure of merit (FOM) and reduces switching loss and cross talk.

The design accomplishes

  • Peak efficiencies of 98.5% in both PFC and inverter mode
  • Power density of 4.6kW/L

This reference design is offered as a comprehensive design package which can be used as a starting point for new SiC designs.

Specifications

PFC Mode

  • Three Phase Input Voltage: 305Vrms → 450Vrms line-line 50/60Hz
    Max current: 32A
    Output DC Voltage: 650V → 900V; Max power 22kW
  • Single Phase Input Voltage: 180Vrms → 264Vrms 50/60Hz
    Max current: 32A
    Output DC Voltage: 380V → 900V; Max power 6.6kW

Inverter Mode

  • DC Input Voltage: 350V → 760V DC
    Max current: 20A
  • AC Output Voltage: 230Vrms 50Hz single phase
    Max power: 6.6kW
  • Switching Frequency: 45kHz
  • Tooled heatsink to simulate cooling plate
  • CAN interface
Applications
  • EV On-Board Charger
  • EV Off-Board Fast Charging
  • Industrial Fast Charging
  • Energy Storage Systems
What's Included

Reference Design Files for

  • Main Board
  • Controller Board
  • Aux Power Board
Request Separately
  • Firmware and GUI
  • Mechanical Specifications
DC-DC Converter

2W Isolated DC-DC Converter Vin=15V, Vout= -3V/15V

DC-DC Converter

2W Isolated DC-DC Converter Vin=15V, Vout= -3V/15V

UCC5350

5A, High Voltage, Isolated Gate Driver with Internal Miller Clamp for Q7-Q12

View Product
UCC5350

5A, High Voltage, Isolated Gate Driver with Internal Miller Clamp for Q7-Q12

View Product
F2837x C2000 real-time microcontroller

MCU with control algorithms for the AC-DC and DC-DC Stages

View Product
C3M0032120K

Silicon Carbide Power 1200V MOSFET C3M™ Planar MOSFET Technology N-Channel Enhancement Mode

View Product
C3M0032120K

Silicon Carbide Power 1200V MOSFET C3M™ Planar MOSFET Technology N-Channel Enhancement Mode

View Product
C3M0032120K

Silicon Carbide Power 1200V MOSFET C3M™ Planar MOSFET Technology N-Channel Enhancement Mode

View Product
C3M0032120K

Silicon Carbide Power 1200V MOSFET C3M™ Planar MOSFET Technology N-Channel Enhancement Mode

View Product
C3M0032120K

Silicon Carbide Power 1200V MOSFET C3M™ Planar MOSFET Technology N-Channel Enhancement Mode

View Product
C3M0032120K

Silicon Carbide Power 1200V MOSFET C3M™ Planar MOSFET Technology N-Channel Enhancement Mode

View Product
Technical Support
Power Applications Forum
Sales Support

Knowledge Center

View All
Power
|
Silicon Carbide

In The Studio: Challenges and Solutions in Scaling Up Silicon Carbide Production

Silicon Carbide raises the bar for what the world’s innovators can achieve, but there are unique challenges to producing it in high volume. Join Guy Moxey and Cengiz Balkas, Wolfspeed Materials Senior VP & GM, for a look at how Wolfspeed’s first-hand experience has made us an industry leader in the production of high-quality Silicon Carbide.
Continue Reading 
 In The Studio

Unlock a New Era of EV Efficiency with Wolfspeed Silicon Carbide

Electric vehicle adoption is growing exponentially and factors like climate change are driving a global shift to emissions-free motoring. Reaching true net zero requires a shift in how we engineer EV powertrains as well as the effectiveness of the systems that we use to charge them. Learn more about the advantages of Wolfspeed Silicon Carbide technologies in EVs.
Continue Reading 
 Infographic

The Batteries that Power EVs

This chapter of Wolfspeed’s What’s Under the Hood series shines the light on the powerhouse of BEVs — the battery pack — to reveal cell characteristics, battery chemistries, and architectures, as well as hazards, protections, and control.
Continue Reading 
 Blog

Footer

Wolfspeed Logo

Social Media

  • Facebook
  • Twitter
  • LinkedIn
  • YouTube
Copyright © 2022 Wolfspeed, Inc.