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电动和混动汽车 OBC 电动和混动汽车 OBC
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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)