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Product Detailed Parameters
- Description：USB POWER SWITCH TSOT25 T&R 3K
- Series：-
- Mfr：Diodes Incorporated
- Package：Tape & Reel (TR),Cut Tape (CT)
- Switch Type：USB Switch
- Number of Outputs：1
- Ratio - Input:Output：1:01
- Output Configuration：High Side
- Output Type：P-Channel
- Interface：On/Off
- Voltage - Load：2.7V ~ 5.5V
- Voltage - Supply (Vcc/Vdd)：Not Required
- Current - Output (Max)：2A
- Rds On (Typ)：75mOhm
- Input Type：Non-Inverting
- Features：Load Discharge, Status Flag
- Fault Protection：Current Limiting (Fixed), Over Temperature, Reverse Current, Short Circuit, UVLO
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Supplier Device Package：TSOT-23-5
- Package / Case：SOT-23-5 Thin, TSOT-23-5
- Grade：-
- Qualification：-
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Overview
The AP22818AKWT-7 is a single-channel USB power switch manufactured by Diodes Incorporated, designed for high-side load switching applications. It operates within a voltage range of 2.7V to 5.5V and supports a continuous output current of 2A with a typical on-resistance of 75 milliohms. The device features fixed current limiting, overtemperature protection, reverse current blocking, short-circuit protection, and UVLO. It includes a status flag output and utilizes a TSOT-25 surface-mount package.
Feature Summary
- Integrated fault protection including fixed current limit, overtemperature shutdown, reverse current blocking, and under-voltage lockout.
- Provides a status flag output to indicate the operational state of the power switch.
- Supports high-side switching with non-inverting control interface for direct logic compatibility.
Applications
- USB port power management and distribution
- Battery-powered portable electronic devices
- Consumer electronics load switching
Procurement Notes
Verify the specific ordering suffix to ensure the correct tape and reel quantity and packaging configuration match your assembly requirements. Confirm that the component meets RoHS3 and REACH compliance standards for your target markets. Cross-reference the datasheet revision date to ensure all electrical characteristics align with your design specifications before finalizing procurement orders.
Selection Notes
Select this component when a compact solution for USB power distribution is required with integrated fault protection. The low on-resistance minimizes power loss during conduction. Ensure the application voltage stays within the 2.7V to 5.5V range. Consider the TSOT-25 package size constraints and thermal dissipation capabilities relative to the expected load current and ambient temperature conditions.
Part Context
This part belongs to the AP22818 series of USB power switches from Diodes Incorporated. It is functionally similar to the discontinued AP2822GKATR-G1, which serves as a recommended manufacturer substitute. The series provides robust protection features suitable for modern USB peripherals and mobile device charging interfaces.
Replacement Considerations
The AP2822GKATR-G1 is listed as a manufacturer-recommended replacement for obsolete variants in this family. Verify pinout compatibility and parameter alignment before substitution.
