DRV8881ERHRT

Description：IC MTR DRV BIPOLAR 6.5-45V 28QFN
Series：-
Mfr：Texas Instruments
Package：Tape & Reel (TR),Cut Tape (CT)

SKU:7450f2ef8161 Category: Motor Drivers, Controllers Brand: Texas Instruments

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Product introduction

Product Detailed Parameters

Description：IC MTR DRV BIPOLAR 6.5-45V 28QFN
Series：-
Mfr：Texas Instruments
Package：Tape & Reel (TR),Cut Tape (CT)
Motor Type - Stepper：Bipolar
Motor Type - AC, DC：Brushed DC
Function：Driver - Fully Integrated, Control and Power Stage
Output Configuration：Half Bridge (4)
Interface：Parallel
Technology：Power MOSFET
Step Resolution：-
Applications：General Purpose
Current - Output：1.4A
Voltage - Supply：6.5V ~ 45V
Voltage - Load：6.5V ~ 45V
Operating Temperature：-40°C ~ 150°C (TJ)
Mounting Type：Surface Mount
Package / Case：28-WFQFN Exposed Pad
Supplier Device Package：28-WQFN (5.5x3.5)
Grade：-
Qualification：-

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DRV8881ERHRT

Overview

The DRV8881ERHRT is a fully integrated bipolar stepper motor driver and dual H-bridge controller manufactured by Texas Instruments. It features an integrated power MOSFET half-bridge output stage with four independent channels, supporting supply voltages from 6.5V to 45V. The device includes built-in control logic and protection circuits, designed for operation within a junction temperature range of -40°C to 150°C. It utilizes a 28-WQFN package measuring 5.5x3.5 mm.

Feature Summary

Integrates full control and power stages for simplified system design
Supports bipolar stepper motors and dual H-bridge configurations
Includes on-chip protection mechanisms for enhanced reliability

Applications

Bipolar stepper motor control systems
Dual H-bridge motor drive applications
General purpose motion control circuits

Procurement Notes

Verify component status as the DRV8881 series has been officially marked obsolete by the manufacturer. Confirm availability through authorized distributors or secondary market suppliers, noting that lead times may vary significantly. Ensure compatibility with existing PCB footprints and thermal management requirements before procurement.

Selection Notes

Select this component for applications requiring integrated stepper motor driving capabilities without external discrete power components. Consider the 28-WQFN package size for space-constrained designs. Evaluate thermal dissipation needs given the high operating temperature rating and ensure adequate heat sinking if continuous high-current operation is required.

Part Context

This part belongs to the DRV8881 family of integrated motor drivers from Texas Instruments. The series is designed to reduce design complexity by combining gate drivers, sense amplifiers, and protection features into a single chip. It targets industrial and consumer automation markets where reliable motor control is essential.