DRV8813 Datasheet, PDF (7/18 Pages) Texas Instruments – DUAL-BRIDGE MOTOR CONTROLLER IC

DRV8813
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FUNCTIONAL DESCRIPTION
SLVSA72C – APRIL 2010 – REVISED MAY 2011
PWM Motor Drivers
The DRV8813 contains two H-bridge motor drivers with current-control PWM circuitry. A block diagram of the
motor control circuitry is shown in Figure 1. A bipolar stepper motor is shown, but the drivers can also drive two
separate DC motors.
Figure 1. Motor Control Circuitry
Note that there are multiple VM motor power supply pins. All VM pins must be connected together to the motor
supply voltage.
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