PMP8740 Reference Design

Texas Instruments

2-kW industrial AC/DC battery charger reference design with 92% full-load efficiency

Description

This reference design is a module that can be set as standard power supply or a battery charger. The output voltage ranges from 0 V to 32 V at a maximum current of 62.5 A. It consists of four boards: a boost PFC: a phase shift full bridge: a small daughter board (hosting the microcontroller): and a display board with three LEDs and four push-buttons. The input voltage range is universal: 90 VAC to 264 VAC and the input current is limited to 10 Arms: which limits the input power below 200 VAC. The microcontroller interfaces the power supply to an operator and controls all functions: including enabling and shutting down the PFC and DC/DC stage: setting different output voltage levels and charging current limits.

Features
  • 93.5% peak efficiency optimizes thermal management of the moduleSerial interface gives users the ability to easily parallel up to 10 hardware modulesPrimary/Secondary or stand-alone configuration for battery charging or standard power supply unitTwo raw displays and four pushbuttons simplify configurationPre-defined levels for li-ion: lead-acid and gel batteries
Applications
  • Industrial AC-DC
Product Categories
  • Power management

End Equipment Reference Diagrams