DRV8242SQRHLRQ1

Overview

The DRV8242SQRHLRQ1 is an automotive-grade, fully integrated H-bridge motor driver from Texas Instruments. It supports a supply voltage up to 40 V and delivers a continuous output current of 6 A per channel. The device features integrated current sensing and feedback for precise control. It includes comprehensive protection mechanisms such as over-current, over-temperature, and undervoltage lockout. Designed for bidirectional full-bridge driving, it interfaces via PWM signals and is housed in a thermally enhanced QFN package suitable for harsh automotive environments.

Feature Summary

• Fully integrated H-bridge driver with integrated current sensing and feedback
• Comprehensive load diagnostics and protection against over-current and over-temperature
• Voltage monitoring capabilities for system reliability
• Bidirectional full-bridge operation for versatile motor control applications

Applications

• Automotive seat actuators
• Automotive window lifts
• Automotive sunroof drives
• Automotive HVAC blend door actuators

Procurement Notes

Verify the specific suffix 'S' indicates the qualified automotive grade variant. Confirm the package marking matches the datasheet specifications. Ensure the ordering quantity aligns with the manufacturer's standard reel sizes. Check for RoHS compliance status in the latest documentation. Validate the operating temperature range requirements against the component's rated specifications.

Selection Notes

Select this component when a robust, single-chip solution for high-current brushed DC or bipolar stepper motors is required in automotive systems. The integrated current sensing simplifies external circuitry compared to discrete solutions. Consider the thermal performance of the QFN package for high-duty cycle applications. Verify that the 40-V rating accommodates transient voltage spikes typical in automotive electrical networks.

Part Context

This part belongs to the DRV824x-Q1 family of devices, which are designed for a wide range of automotive applications. The family offers varying current ratings and feature sets to suit different motor control needs. The DRV8242 variant specifically targets applications requiring 6-A continuous current capability. It complements other drivers in the portfolio by providing a balance of performance and integration level.

Replacement Considerations

The DRV8242PQRHLRQ1 is a related variant within the same family. Verify if the pinout and functional specifications are identical before substitution. Ensure the replacement part meets the same automotive qualification standards. Check for any differences in thermal characteristics or packaging dimensions.