DRV8812 Datasheet, PDF (7/22 Pages) Texas Instruments – DRV8812PWPR

DRV8812
www.ti.com
SLVS997F – OCTOBER 2009 – REVISED AUGUST 2013
FUNCTIONAL DESCRIPTION
PWM Motor Drivers
The DRV8812 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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