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Competitive Advantage of TI Multi-Channel Half-Bridge Drivers in Automotive HVAC Damper Applications

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Date: March 25, 2019

The number of motors in a vehicle is increasing exponentially catering to the enhanced user comfort. Automotive HVAC system plays a significant role in enhancing the user experience in terms of comfort, performance and cost. Damper-servo assembly is the backbone of the automotive HVAC system which controls the air-flow in a vehicle.

This training presents the TI automotive multi-channel brushed DC motor driver family (DRV89XX-Q1) which can drive multiple HVAC damper servo-motors (with 4, 6, 8, 10 or 12 channels). This family is a AEC-Q100 qualified and supports Grade-1 temperature classification for automotive applications. The device family has very optimized voltage and current ranges with easy configurability and detailed diagnostics for troubleshooting. The device consists of enhanced integrated protection features such as UVLO, OVP, POR, OCP, OLC and OTW/TSD to protect against any unwanted scenario. The device family shows a clear and distinctive advantages over the current solutions in market.

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