Automotive brushed DC gate driver targeted to drive bidirectional brushed-DC motor
20-03-2017 |
Texas Instruments
|
Power
The DRV870x-Q1 family of devices, from Texas Instruments, is a single H-bridge gate driver that uses four external N-channel MOSFETs targeted to drive a bidirectional brushed-DC motor.
A PH/EN, independent H-Bridge, or 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 family of devices drives both high-side and low-side FETs with a 10.5V VGS gate drive. The gate-drive current for all external FETs is configurable with a single external resistor or through the SPI.
A low-power sleep mode is provided which shuts down internal circuitry to achieve a very-low quiescent-current draw.
By Electropages
Electropages is a trusted source of news and insights from the global electronics industry. With a dedicated team of experts and editors, Electropages delivers in-depth articles, product updates, and market trends across sectors such as embedded systems, IoT, connectors, and power solutions. Our mission is to empower engineers and professionals with the knowledge they need to innovate and succeed in a rapidly evolving technological landscape.