DRV8144ASQRYJRQ1

Overview

The DRV8144ASQRYJRQ1 is an automotive-grade half-bridge driver from the DRV814x-Q1 family, manufactured by Texas Instruments. It operates with a supply voltage range of 4.5 V to 40 V and delivers a continuous output current of 30 A. The device features integrated current sensing and protection mechanisms, including overcurrent, overtemperature, and undervoltage lockout. Designed for robust performance in harsh environments, it supports a maximum operating frequency of 125 kHz and functions within a temperature range of -40°C to +125°C. The component is housed in a compact VQFN-14 package suitable for surface mount technology.

Feature Summary

• Fully integrated half-bridge driver architecture designed for automotive applications
• Built-in comprehensive protection against overcurrent, overtemperature, and undervoltage conditions
• Integrated current sensing capability for precise motor control feedback

Applications

• Automotive fuel injection systems
• Automotive solenoid control circuits
• General automotive valve actuation

Procurement Notes

Verify the complete part number DRV8144ASQRYJRQ1 against official Texas Instruments documentation to ensure correct suffix identification. Confirm that the specific variant matches the required 30-A current rating and VQFN-14 packaging. Cross-reference the datasheet revision date to guarantee compatibility with current design specifications and regulatory standards before finalizing procurement orders.

Selection Notes

Select this component when designing automotive systems requiring high-current switching capabilities up to 30 A. Ensure the application environment stays within the specified -40°C to +125°C operational temperature range. Verify that the system power supply remains stable between 4.5 V and 40 V. Consider the integrated protection features if space constraints prevent adding external protection components, ensuring reliable operation in demanding automotive electrical environments.

Part Context

This device belongs to the DRV814x-Q1 family of fully integrated half-bridge drivers intended for a wide range of automotive applications. The family shares common architectural features but varies in current ratings and specific integration levels. This particular model represents the higher current variant within the series, offering enhanced driving capability compared to lower-rated siblings while maintaining the same compact form factor and protection suite.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material. Consult official Texas Instruments documentation or authorized distributors for qualified alternatives.