Calex BCA Non-Isolated Bi-Directional DC/DC Converters

Calex BCA 1.5kW and 3kW Non-Isolated Bi-Directional DC/DC Converters provide a complete solution for in-vehicle power distribution with 48V/24V and 48V/12V battery configurations. These DC/DC converters are suited for a variety of applications, including micro and mild hybrid automotive systems. The Calex BCA series is packaged in a low-profile 8.67” x 6.14” x 1.008” mechanically enclosed package weighing 3.04 pounds. The package makes the unit ideal for harsh shock and vibration requirements and easy integration with a battery pack. Three M8 bushings are provided: two for power connections and one for ground connection.

Features

  • e-Mobility 48V/12V and 48V/24V battery systems
  • Buck and boost modes of operation
  • Overcurrent, overvoltage, and over-temperature protection (all protections are latching)
  • Disconnect switch LS (24V) and HS (48V)
  • Reverse polarity protection
  • Constant voltage and constant current mode
  • Average current mode control
  • LS and HS current monitoring
  • Internal temperature monitoring
  • High power density
  • 1" low profile
  • Up to 96.5% efficiency
  • Excellent thermal performance
  • Constant switching frequency
  • CAN 2.0b interface, including remote ON/OFF
  • Good shock and vibration damping
  • Highly integrated solution
  • RoHS compliant

Applications

  • Power storage systems for RVs
  • Idle mitigation systems
  • Refrigerated delivery vehicles
  • Power storage systems for marine applications
  • Dual-battery hybrid e-Mobility systems
  • Vehicle up-fitter systems

Block Diagram

Block Diagram - Calex BCA Non-Isolated Bi-Directional DC/DC Converters
Publicado: 2025-07-08 | Actualizado: 2025-08-19