AAT4621IWO-1-T1

Description：IC SUPERCAP CHARGER 14TDFN
Series：-
Mfr：Skyworks Solutions Inc.
Package：Tape & Reel (TR)

SKU:90050e698a19 Category: Power Management - Specialized Brand: Skyworks Solutions Inc.

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Product introduction

Product Detailed Parameters

Description：IC SUPERCAP CHARGER 14TDFN
Series：-
Mfr：Skyworks Solutions Inc.
Package：Tape & Reel (TR)
Applications：Capacitor Charger
Current - Supply：400nA
Voltage - Supply：3V ~ 5.5V
Operating Temperature：-40°C ~ 85°C
Mounting Type：Surface Mount
Package / Case：14-WFDFN Exposed Pad
Supplier Device Package：14-TDFN (3x3)
Grade：-
Qualification：-

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AAT4621IWO-1-T1

Overview

The AAT4621IWO-1-T1 is a power distribution switch IC manufactured by Skyworks Solutions, Inc. It functions as a current limiter specifically designed for supercapacitor charging applications. The device operates within a supply voltage range of 2.4 V to 5.5 V and features an adjustable current limit. It is housed in a WSON-8 package and supports surface-mount technology. The component is classified under Power Switch ICs - Power Distribution.

Feature Summary

Integrated current limiting functionality optimized for supercapacitor charging circuits
Adjustable load switch capability allowing customizable current thresholds
Operates across a wide input voltage range from 2.4 V to 5.5 V

Applications

Supercapacitor charging management
Power distribution protection in portable electronics
Current-limited load switching in battery-powered devices

Procurement Notes

This component is officially discontinued and no longer in production. Verification of availability should focus on surplus or secondary market sources rather than direct manufacturer channels. Confirm the specific revision and packaging details when sourcing replacements, as end-of-life status may affect long-term supply stability.

Selection Notes

Select this part only if supercapacitor charging with integrated current limiting is required. Verify that the 2.4 V to 5.5 V operating range matches the system supply. Ensure the WSON-8 footprint is compatible with the PCB layout. Consider alternative active components if long-term procurement is critical due to discontinuation status.

Part Context

The AAT4621 belongs to Skyworks' AAT46xx series of power switches. This family provides compact solutions for load distribution and protection in mobile and handheld devices. The IWO suffix indicates the industrial temperature grade and WSON-8 package type. The -T1 suffix denotes tape and reel packaging configuration.