Texas Instruments Evaluation Module for DRV8813 DRV8813EVM DRV8813EVM Datenbogen
Produktcode
DRV8813EVM
SLVSA72D – APRIL 2010 – REVISED AUGUST 2013
FUNCTIONAL DESCRIPTION
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
motor control circuitry is shown in
. 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.
supply voltage.
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