Automotive grade phototransistor optocoupler saves energy and space

19-03-2020 | Vishay | Automotive Technologies

Vishay Intertechnology has introduced a new automotive-grade phototransistor optocoupler that combines a high CTR range from 50% to 600% with a low forward current of 1mA in the compact SOP-4 mini-flat package.

Providing 80% lower forward current than the company's previous-generation solution, the VOMA618A is created to save energy in automotive and high-reliability applications, while its low profile package saves board space. The AEC-Q101 qualified device is optimised for galvanic and noise isolation, battery management, signal transmission, 48V boardnets, and system control in hybrid and electric vehicles.

The device provides a GaAlAs infrared emitting diode that is optically coupled to a silicon phototransistor. Its SOP-4 mini-flat package gives a 3750V isolation voltage rating and creepage and clearance distance of ≥5mm. Providing low coupling capacitance of 1.2pF, the device is RoHS-compliant, halogen-free, and Vishay Green.

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