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3KW Off-Board Electric Vehicle Charger

Overview

As the e-Mobility segment expands, there is a growing need for more efficient charging solutions. This high-power off-board charger works on a universal input voltage range and uses a high-end MCU to control power factor correction (PFC) and manage the zero voltage switching (ZVS) – the half-bridge switching converter sitting on the secondary side of the system. The MCU offers secure control of the output parameters, and its CAN interface targets a wide range of applications.

System Benefits​:

  • Digital controller provides protections and features like UVLO, OVP, OCP, OTP, and inrush current control.
  • Upgradable design supports higher current systems with an option to add synchronous rectification on the secondary side.
  • CAN/SPI implementation enables connection to smart network cards for telematics.

Block Diagram

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Inductor Air Core.188Line.841Inductor Air Core.212Sheet.263Sheet.264Sheet.265Sheet.266Sheet.267Sheet.268Sheet.269Sheet.270Sheet.271Inductor Air Core.212Sheet.273Sheet.274Sheet.275Sheet.276Sheet.277Sheet.278Sheet.279Sheet.280Sheet.281Inductor Air Core.214Sheet.283Sheet.284Sheet.285Sheet.286Sheet.287Sheet.288Sheet.289Sheet.290Sheet.291Inductor Air Core.226Sheet.293Sheet.294Sheet.295Sheet.296Sheet.297Sheet.298Sheet.299Sheet.300Sheet.301?? 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PFC

Power Factor Correction (PFC) Controllers

Dual Op Amp

General-purpose Op Amps

N-CH

Power MOSFETs

High Speed Optical Isolator

IPM Drive Photocouplers / Optocouplers

Optical Isolator

DC Input Single

Flyback

Flyback & Forward Controllers

DC/DC Buck

Buck Regulators (Integrated FETs)

MCU

RA Arm Cortex-M MCUs
RX 32-Bit Performance/Efficiency MCUs

Load Switch

Load Switches

Op Amp

Precision Op Amps (Vos <1mV)

Dual Op Amp

General-purpose Op Amps

News & Blog Posts

Blog Post
Mar 2, 2023
Drive without Limits: Interoperable Electric Vehicle (EV) Chargers

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