Automotive-qualified high-speed, low-side driver family increases efficiency

Automotive-qualified high-speed, low-side driver family increases efficiency

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By eeNews Europe

Automotive applications using power MOSFETs require gate drivers with high peak drive current and low output impedance. The FAN31xx_F085 and FAN32xx_F085 series of high-speed, low-side automotive qualified gate drivers from Fairchild Semiconductor offer flexibility for power supply and other high-efficiency MOSFET switching applications, providing a wide selection of feature and performance combinations to create compact, highly efficient and reliable designs.

These AEC-Q100 qualified drivers are available in an SO8 package with a choice of TTL or CMOS input thresholds. The drivers have two inputs for each channel (either Dual-input (+ and – logic), Inverting and Enable, or Non-inverting and Enable) offering design flexibility. Features include;

– Qualified to AEC-Q100 requirements (shown by flow code "_F085")

– Compound MillerDrive architecture for strong gate drive

– Short and well-controlled time delays (under 20 nsec propagation delays for above 1 MHz switching) allows paralleling drivers, and optimising drive timing to maximise efficiency

– Fail-safe inputs: output held low if no input signal is present

– 20V Abs max, over 4kV ESD withstand, and over 500mA reverse current

The devices cost $0.98, $1.10 and $1.33, respectively (1000).

Fairchild; /

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