DRV8825 Datasheet, PDF (8/22 Pages) Texas Instruments – STEPPER MOTOR CONTROLLER IC

DRV8825
SLVSA73C – APRIL 2010 – REVISED MAY 2011
FUNCTIONAL DESCRIPTION
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PWM Motor Drivers
The DRV8825 contains two H-bridge motor drivers with current-control PWM circuitry. A block diagram of the
motor control circuitry is shown in Figure 2.
Figure 2. 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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