Onboard chargers (OBCs) must convert AC grid power to DC battery voltage efficiently and safely, isolating the high voltage battery from the AC input while meeting increasingly challenging power density, efficiency, thermal stability, EMI performance, and long service life requirements.
Vishay's Automotive Grade optocouplers provide the reinforced isolation OBC designs need between the grid-connected and battery-side circuits. Our SiC MOSFETs and MOSFET power modules deliver the high frequency, low loss switching that shrinks charger size and weight, while our DC-Link film capacitors stabilize the power stage.
Behind the onboard charger efficiency is The DNA of tech.®
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