Design

Roof module integrated circuits and designs

13th June 2018
Anna Flockett

TI's integrated circuits and reference designs will help you accelerate the electronic design for automotive roof modules through high performance motor drivers, LED drivers and cost-optimised solutions. TI analogue products provide intelligent drive capabilities with enhanced diagnostics, robust power conversion and adjustable outputs.

Here you can quickly find featured reference designs and products for your system design. Narrow down TI's library of over 2,000 reference designs and 100,000+ devices to those most applicable to your design.

Motor Driver 
The roof module motor driver supplies the drive voltage and current to the sun roof motor, typically a brushed DC motor.

The DRV870x-Q1 family of devices is a single Hbridge gate driver that uses four external N-channel MOSFETs targeted to drive a bidirectional brushedDC 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 DRV870x-Q1 family of devices drives both highside 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.

Read the datasheet here.

 

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