Wednesday, May 2, 2012

Fairchild's smart high-side switches provide designers reliable alternatives to discrete solutions for driving automotive apps

SAN JOSE, USA: In today’s automotive applications, designers need to reliably and safely switch high currents into grounded resistive or inductive loads. This includes applications such as incandescent lamps, motors, and heaters. To do this currently, they either have to rely on discrete or electro-mechanical solutions, or are hampered by limited solutions in the marketplace.

Fairchild Semiconductor, a leading global supplier of high performance power and mobile products, has developed a smart high-side switch family that specifically addresses advanced electrical load control in automotive body electronics. The family provides an alternative to discrete MOSFET solutions, integrating protection and diagnostic features in order to reduce component count and PCB complexity, while offering better system reliability.

The FDDS100H06_F085 smart high-side switch is an N-channel power MOSFET with charge pump, ground-referenced CMOS-compatible input and diagnostic output with integrated protection functions. The diagnostic feedback capability of the FDDS100H06_F085 provides system control options to minimize impact under various fault conditions.

The FDBS09H04A_F085A and FDDS10H04A_F085A are smart high-side switches incorporating an N-channel power MOSFET device featuring a charge pump, current controlled input and diagnostic feedback with load current sense and integrated Smart Trench chip-on-chip technology.

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