Tackling key challenges of On-Board Chargers control systems

OEMs face the following challenges with OBC converter control systems:

  • Achieving high efficiency across the OBC operating range
  • Achieving power density while maintaining compactness of the module
  • Power module cost reduction
  • Implementing a safe bidirectional power flow

Our Solution for On‑Board‑Charger

We offer the following solutions to address the OBC control application:

  • OLEA® FPCU – Automotive qualified semiconductor solution with software libraries and development tools
  • OLEA® COMPOSER – Model-based application development and calibration framework for OLEA® FPCU
  • OLEA® LIB – Rich collection of advanced software and control algorithms optimized for the OLEA® FPCU
  • OLEA® APP  OBC HE  Application software integrating innovative algorithms delivering High Efficiency DC-DC control

Key Benefits

  • Support any MOSFET, IGBT, SiC or GaN based inverters​
  • 100% Model based design accessible as source code
  • Soft switching enabling a better transistor current rating for BOM reduction and for transistor down-sizing
  • Cancellation of inductor current ripples and output current and voltage ripples
  • Reduction of filtration requirements for Electromagnetic Interference (EMI)
  • Up to 15% of energy gain over with reduction of switching and conduction losses in the power module all across the load operating points
  • Up to 50% of transistor current rating increase
  • Up to 50% BOM reduction on the required power transistor and passive components
  • Up to 1MHz control enabling passive component size and weight reduction (power density improvement by a factor of 10)