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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 AP22818BKWT-7 is a single-channel USB power switch IC manufactured by Diodes Incorporated. It operates within a voltage range of 2.7V to 5.5V and supports bidirectional current flow up to 2A. The device features a low on-resistance of 75 milliohms and utilizes a TSOT-25 surface-mount package. Integrated protection mechanisms include fixed current limiting, over-temperature shutdown, reverse current blocking, short-circuit protection, and under-voltage lockout (UVLO). An open-drain status flag provides fault indication. The component functions with non-inverted control logic and is rated for an operating temperature range of -40°C to +85°C.
Feature Summary
- Integrated high-side N/P channel power distribution switch optimized for USB applications
- Built-in comprehensive protection against over-current, thermal overload, reverse current, and short circuits
- Open-drain status flag output for real-time monitoring of operational faults
- Supports bidirectional current flow for flexible load management
Applications
- USB port power distribution in computing peripherals
- Battery-powered consumer electronics load switching
- Portable device power management systems
- Industrial equipment interface protection
Procurement Notes
Verify the specific suffix 'BK' against the manufacturer datasheet to confirm pinout configuration and electrical tolerances. Ensure the ordering code matches the required tape-and-reel quantity of 3000 units. Confirm RoHS compliance status and moisture sensitivity level requirements prior to procurement to align with assembly line standards.
Selection Notes
Select this component when designing circuits requiring robust USB power delivery with integrated fault protection. The low on-resistance minimizes power loss during conduction. Consider the TSOT-25 package size for space-constrained layouts. Verify that the input voltage range aligns with the system's supply rails and that the 2A current rating meets the load requirements.
Part Context
This part belongs to the AP22818 series of USB power switches from Diodes Incorporated. The series is designed to provide reliable power distribution for USB interfaces. Variants within the series may differ in package type or specific protection thresholds. The AP22818BKWT-7 specifically denotes the version packaged in TSOT-25 with a standard reel quantity.
Replacement Considerations
The AP2822GKTR-G1 is listed as a discontinued product with the AP22818AKWT-7 identified as a manufacturer-recommended substitute. Verify compatibility between the AP22818BKWT-7 and alternative models by comparing pin configurations and electrical specifications.
