Tackling key challenges of On-Board Chargers control systems

OEMs face the following challenges with DC-DC converter control systems:

  • Achieving high efficiency all across the DC-DC 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

Silicon Mobility offers a complete solution with a new kind of OBC control solution for xEV delivering unprecedented performances

  • 10% of energy gain
    • Reduction of switching and conduction losses in the power module
  • 50% BOM reduction on the power transistor and other passive components
  • Up to 1MHz control supporting size and weight reduction up to a factor 10 (Power density improvement by factor 10)
  • ASIL-B ISO 26262 design

We offer the following solutions to address the DC-DC converter control application:

  • OLEA® FPCU – Automotive qualified semiconductor solution with software libraries and development tools
  • OLEA® APP  OBC HE  Application software integrating innovative algorithms delivering High Efficiency DC-DC control

Support for Intelligent Control Algorithms

  • Soft switching enabling a better transistor current rating for  overall system BoM reduction and for transistor down-sizing
  • Cancellation of current and voltage ripples
  • Reduction of filtration requirements for Electromagnetic Interference (EMI)