The DRV870xD-Q1 family of devices is a half-bridge gate driver that uses two external N-channel MOSFETs targeted to drive unidirectional brushed-DC motors or solenoid loads.
●The PWM interface allows simple interfacing to controller circuits. An internal sense amplifier provides adjustable current control. The gate driver includes circuitry to regulate the winding current using fixed off-time PWM current chopping.
●The DRV870xD-Q1 family of devices drives both high-side and low-side FETs with a 10.5-V VGS gate drive. The gate-drive current for all external FETs is configurable with a single external resistor or through the serial peripheral interface (SPI).
●A low-power sleep mode is provided which shuts down internal circuitry to achieve a very-low quiescent-current draw.
TI
Automotive Brushed DC Gate Driver
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