ACT4751MQI101SR

Overview

The ACT4751MQI101SR is a specialized power management IC from Qorvo, designed for high-efficiency synchronous buck conversion. It supports an input voltage range of 4.5 V to 40 V and delivers up to 4 A output current with adjustable output voltages between 3 V and 24 V. The device features I2C and USB interfaces for control and monitoring. It operates within a temperature range of -40°C to +125°C and is packaged in a QFN-32 footprint. This component is qualified under the AEC-Q100 standard for automotive applications.

Feature Summary

• Supports USB Power Delivery (PD) and Programmable Power Supply (PPS) protocols for advanced charging applications.
• Integrated synchronous buck converter architecture for efficient DC-to-DC voltage regulation.
• Automotive-grade qualification ensuring reliability in demanding environments.
• Programmable functionality allowing flexible configuration via digital interfaces.

Applications

• USB PD and PPS fast charging systems
• Automotive electronic power distribution
• Industrial power supply modules
• Data center server power rails

Procurement Notes

Verify the specific suffix 'SR' against official Qorvo documentation to confirm reel packaging specifications and tape-and-reel dimensions. Ensure compatibility with existing PCB footprints and thermal management designs. Cross-reference the AEC-Q100 qualification status if deploying in automotive contexts. Confirm end-of-life status or lifecycle notifications prior to final design approval.

Selection Notes

Select this component when designing systems requiring wide input voltage ranges up to 40 V and high output currents near 4 A. It is suitable for applications needing programmable voltage outputs and digital control via I2C. Consider its automotive qualification for use in vehicles or industrial equipment where environmental robustness is critical. Evaluate thermal performance requirements based on the QFN-32 package size.

Part Context

This part belongs to the ACT4751 series of specialized power management ICs manufactured by Qorvo. The series focuses on providing integrated solutions for complex power delivery standards like USB PD. The ACT4751MQI101 variant specifically targets automotive and industrial markets, offering robust performance and compliance with strict industry standards for reliability and safety in power conversion tasks.

Replacement Considerations

The ACT4752MQI101-T is a related model within the same family. Verify pinout compatibility and electrical parameter differences before substitution. Consult official Qorvo documentation for detailed cross-reference information and functional equivalency.