Design

Motor control solution for multiple automotive HVAC flap actuators

17th May 2019
Alex Lynn

The TIDA-01357 reference design from Texas Instruments offers a DC motor control solution for multiple automotive HVAC flap actuators or dampers. This design demonstrates a cost-effective motor driver solution for six flap actuators/dampers where all six motors can be driven simultaneously with an output current up to 0.4A per motor. 

This reference design maintains a small solution size and low quiescent current in addition to offering reverse battery and load dump protection.

Features

  • Direct battery operation (12V system); survives voltages up to 45V.
  • Withstands reverse battery conditions and load dump conditions (12V system).
  • Three-chip solution to drive up to six motors.
  • Compact layout; does not require external FETs.
  • Overcurrent, undervoltage and overtemperature protection with diagnostics feature.

To learn more, click here.

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