AP22655QWU-7

Overview

The AP22655QWU-7 is a precision USB power switch IC from Diodes Incorporated, designed for power distribution applications. It features a single output channel with a maximum continuous output current of 3.1 A and a current limit of 3.5 A. The device exhibits a maximum on-resistance of 75 mOhms and operates within a supply voltage range of 3 V to 5.5 V. It supports an operating temperature range from -40°C to +125°C. Key timing parameters include a maximum run time of 1 ms and a maximum idle time of 4 ms. The component is housed in a TSOT-26 package.

Feature Summary

• Precision current limiting capability for robust load protection
• Integrated high-side switching topology for efficient power management
• Controlled rise and fall times to minimize inrush current during activation

Applications

• USB port power switching and distribution
• High-side load switches in portable electronic devices
• Power distribution units requiring precise current regulation

Procurement Notes

Verify the specific suffix 'QWU-7' against the manufacturer's official datasheet to confirm package type and tape-and-reel specifications. Ensure that the required operating temperature range aligns with the +125°C maximum rating documented for this part number. Cross-reference the RoHS compliance status and automotive qualification requirements if applicable to the target application environment before finalizing procurement.

Selection Notes

Select this component when a high continuous current capacity of 3.1 A is required alongside precise current limiting at 3.5 A. The wide operating temperature range up to +125°C makes it suitable for demanding environments. Consider the 75 mOhms on-resistance for thermal management calculations. The TSOT-26 package offers a compact solution for space-constrained designs compared to larger packages.

Part Context

This device belongs to the AP2265x series of precision power switches from Diodes Incorporated. It shares the family's focus on USB power distribution but distinguishes itself through higher current handling capabilities compared to lower-current variants like the AP22652 or AP22653. The series emphasizes protection features including overcurrent, thermal, and short-circuit protection within a small surface-mount footprint.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation.