AAT4712IRN-T1

Overview

The AAT4712IRN-T1 is a high-side power switch IC from Skyworks Solutions, designed for power distribution applications. It operates within an input voltage range of 2.5 V to 5.5 V and features a maximum current limit of 2.4 A. The device utilizes a DFN-16 package with surface-mount installation. Key electrical specifications include a maximum on-resistance of 320 mOhms, a maximum turn-on time of 6 µs, and a maximum turn-off time of 10 µs. It supports operation across a temperature range of -40°C to +85°C.

Feature Summary

• Integrates a high-side P-channel MOSFET for load switching
• Provides programmable or fixed current limiting protection
• Features fast turn-on and turn-off timing characteristics

Applications

• Power distribution in mobile devices
• Supercapacitor charging systems
• Battery-powered equipment load management

Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm the specific revision code matches design requirements. Check for End-of-Life (EOL) status or Not Recommended for New Designs (NRND) classifications before finalizing procurement plans. Ensure supply chain stability due to potential discontinuation risks associated with older SKYWORKS product lines.

Selection Notes

Select this component when a robust high-side switch with integrated current limiting is required for 2.5V to 5.5V systems. The 320 mOhm on-resistance suits moderate current loads up to 2.4A. Consider the DFN-16 footprint for PCB layout constraints. Evaluate thermal performance under continuous load conditions relative to the ambient operating temperature range of -40°C to +85°C.

Part Context

This part belongs to the Skyworks SmartSwitch family of Application Specific Power MOSFETs. These ICs combine power switching capabilities with protection features like current limiting and fault flagging. The AAT4712 series is engineered for space-constrained portable electronics requiring reliable power path management and system load balancing.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Verify compatibility with existing control signals and thermal dissipation requirements if considering alternative high-side switches from other manufacturers.