DRV8824QPWPRQ1

Overview

The DRV8824QPWPRQ1 is an automotive-grade bipolar stepper motor driver integrating control logic and power MOSFETs in a 28-pin HTSSOP package. It operates on a supply voltage range of 8.2 V to 45 V with a maximum output current of 1.6 A per channel. The device supports step resolutions from full step to 1/32 microstepping via hardware inputs. It features adjustable current limiting, thermal shutdown, and under-voltage lockout for robust protection. The component is qualified to AEC-Q100 standards and functions within a junction temperature range of -40°C to +150°C.

Feature Summary

• Integrates bipolar stepper motor control logic and high-side/low-side power MOSFET drivers in a single compact package.
• Supports flexible stepping modes including full, half, quarter, eighth, sixteenth, and thirty-second microstepping via dedicated input pins.
• Includes programmable current control with adjustable decay mode selection for optimized motor performance and noise reduction.
• Provides comprehensive protection mechanisms including thermal shutdown, over-current protection, and under-voltage lockout.

Applications

• Automotive infotainment display positioning actuators
• Vehicle seat adjustment motor control systems
• Power tailgate or liftgate latch mechanisms
• Electronic parking brake actuator drives

Procurement Notes

Verify the complete part number including suffixes against official Texas Instruments documentation to ensure correct packaging and temperature grade. Confirm AEC-Q100 qualification status matches project requirements. Check for specific moisture sensitivity levels and recommended reflow profiles during assembly planning. Ensure compatibility with existing PCB footprint designs utilizing the 28-HTSSOP package dimensions.

Selection Notes

Select this component when driving bipolar stepper motors requiring integrated control and power stages in automotive environments. Consider the 1.6 A output capability and 45 V supply limit for appropriate motor sizing. Evaluate the need for specific microstepping resolutions and external resistor settings for current regulation. Compare thermal performance requirements against the operating junction temperature limits provided in the datasheet.

Part Context

This device belongs to the DRV8824 family of stepper motor drivers designed for automotive applications. It serves as a fully integrated solution replacing discrete driver circuits. The Q1 suffix indicates automotive qualification. The PWPRQ1 suffix denotes the 28-HTSSOP package and tape-and-reel shipping format. It complements other TI motor control products by offering simplified design implementation for precision motion control tasks.

Replacement Considerations

Consult official substitution lists for equivalent automotive-qualified stepper drivers. Verify pin-to-pin compatibility if replacing legacy components. Ensure electrical parameters such as supply voltage range and current capacity meet system specifications before swapping parts.