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Vishay

Vishay Photovoltaic MOSFET Drivers

Isolated MOSFET drivers for industrial and automotive power designs

Vishay's VOM1271 and VODA1275 photovoltaic MOSFET drivers provide highly integrated, optically isolated gate drive solutions for applications requiring reliable high-voltage isolation, simplified circuit design and compact footprints. By generating the drive power directly from the input LED current, these devices eliminate the need for an external driver power supply, helping reduce component count, board space and overall system cost.

Whether designing industrial power control systems or automotive high-voltage electronics, Vishay offers production-ready solutions that deliver reliable isolation, fast switching performance and simplified implementation.

Features

  • No external power supply to MOSFET needed
  • Optical isolation up to 5300 V
  • Integrated fast turn-off circuitry
  • Logic compatible input
  • Industrial and Automotive versions
  • Compact SOP-4 and DIP-4 packages
  • VOM1271
    • 8.4 V typical output with IF = 10 mA
    • On and Off time = 53 µs, 65 µs
  • VODA1275
    • 20 V typical output with IF = 10 mA
    • On and Off time = 80 µs, 40 µs
VOM1271 Photovoltaic MOSFET Driver

VOM1271 Photovoltaic MOSFET Driver with Integrated Fast Turn-Off

The VOM1271 is a stand-alone optically isolated MOSFET driver that powers its internal circuitry directly from the input LED, eliminating the need for external supply rails. Integrated rapid turn-off circuitry improves switching performance while reducing external component requirements, making it an ideal solution for compact, isolated power designs.

Applications

  • Solid-state relays
  • Data acquisition
  • High-side drivers
  • Automated test equipment (ATE)
  • Floating power supplies
  • Isolated relay & solenoid drivers
  • Power control
VODA1275 Automotive Photovoltaic MOSFET Driver

VODA1275 Automotive High Voltage Photovoltaic MOSFET Driver

Designed for demanding automotive environments, the VODA1275 is an AEC-Q102 qualified optically isolated MOSFET driver with a typical 20 V open-circuit output and up to 5300 VRMS isolation. Its compact package and wide operating temperature range make it well suited for high-voltage automotive systems requiring reliable isolated gate drive.

Applications

  • Automotive pre-charge relays
  • Powerwall chargers
  • Battery Management Systems (BMS)
  • Custom solid-state relays
  • High-voltage MOSFET gate drivers