SLOU559 April 2023
The DRV8845 is a quad full-bridge driver for a wide variety of industrial applications. The device can be used for driving up to two stepper motors or up to four brushed-DC motors. Each full-bridge output is rated up to 1.5 A and 38 V. The DRV8845 includes pulse width modulation (PWM) current regulators, along with 2- bit nonlinear DACs (digital-to-analog converters) that allow stepper motors to be controlled in full, half, and quarter steps; and DC motors in forward, reverse, and coast modes.
This driver offers Smart tune decay mode for smooth and quiet operation. Protection features in this driver include thermal shutdown with hysteresis (OTSD), undervoltage lockout (UVLO) and overcurrent protection (OCP).