DRV8823DCA

Overview

The DRV8823DCA is a four-bridge serial interface motor driver manufactured by Texas Instruments. It features an HTSSOP-48 package with dimensions of 12.6 x 6.2 x 1.05mm and supports surface-mount installation. The device operates within a supply voltage range of 8V to 32V, delivering a maximum collector current of 1A per bridge. It functions at a typical switching frequency of 50kHz and handles a converter rated power of 5.61W. The component is designed for operation between -40°C and +85°C.

Feature Summary

• Integrates four H-bridge drivers using N-channel power MOSFETs for bipolar stepper motor control
• Utilizes a simple serial interface requiring minimal digital signals for comprehensive function control
• Supports microstepping through eight programmable current levels set via the serial interface
• Includes internal protection mechanisms for overcurrent, short circuit, under-voltage lockout, and overtemperature

Applications

• Printers
• Plotters
• Office automation equipment

Procurement Notes

Verify that the specific part number matches the required package type and temperature rating for your application. Confirm compatibility with the host controller's serial communication protocol before integration. Ensure adequate thermal management solutions are implemented given the power dissipation characteristics of the HTSSOP-48 package during continuous operation.

Selection Notes

Select this component when designing systems requiring precise control of bipolar stepper motors in space-constrained environments. The integrated serial interface reduces pin count requirements compared to parallel control methods. Consider the 1A current limit and 32V maximum voltage when sizing external components and power supplies for the target motor load.

Part Context

This device belongs to the DRV8823 series of motor drivers from Texas Instruments. It is specifically engineered for office automation applications where compact size and efficient control are critical. The series provides a complete solution for driving stepper motors without requiring external discrete power transistors.

Replacement Considerations

DRV8823DCAR

FAQ

How is the output current controlled?

The DRV8823DCA employs PWM current control capability. The current is programmable based on an externally supplied reference voltage and an external current sense resistor.

What types of protection are included?

Internal shutdown functions provide overcurrent protection, short circuit protection, under-voltage lockout, and overtemperature protection.