DRV8872DDAR

Overview

The DRV8872DDAR is a single H-bridge motor driver manufactured by Texas Instruments, designed for brushed DC motors. It operates within a supply voltage range of 6.5 V to 45 V and delivers a continuous output current of 3.6 A with peak capabilities up to 3.6 A. The device utilizes an NMOS technology architecture housed in an 8-SO-PowerPad surface-mount package. It supports PWM control interfaces and features integrated current regulation. The operational temperature range spans from -40°C to +125°C.

Feature Summary

• Integrated current regulation based on analog input VREF and ISEN pin voltages to limit current levels
• Comprehensive protection mechanisms including under-voltage lockout, over-current protection, and thermal shutdown
• Low-power sleep mode functionality activated by setting both logic inputs to low state

Applications

• Brushed DC motor control in printers
• Appliance motor drives
• Industrial equipment actuation
• Small machine motion control systems

Procurement Notes

Verify the specific suffix DDAR corresponds to the standard reel packaging configuration when sourcing. Confirm that the target application environment remains within the specified -40°C to +125°C operating temperature limits. Ensure the power supply voltage does not exceed the maximum rating of 45 V during transient conditions. Validate that the required load current stays within the 3.6 A continuous output specification to prevent thermal overload.

Selection Notes

Select this component for applications requiring a single H-bridge topology with integrated current limiting. It is suitable for designs needing robust protection against short circuits and over-temperature events without external discrete components. Consider the 8-SO-PowerPad package for thermal management requirements. This driver is appropriate for systems utilizing PWM signals for speed control where precise current regulation is necessary to maintain stable voltage levels.

Part Context

This part belongs to the DRV887x family of motor drivers from Texas Instruments. The family includes variants such as the DRV8870 (single half-bridge), DRV8871 (full bridge), and automotive-grade versions like the DRV8872Q1. These devices share common architectural features including NMOS power stages and integrated protection circuitry, differing primarily in bridge configuration and qualification standards.

Replacement Considerations

The DRV8870DDAR is documented as a parameter-equivalent substitute option.