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Product Detailed Parameters
- Description：IC PWR SWITCH P-CHAN 1:1 8MSOP
- 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)：500mA
- Rds On (Typ)：90mOhm
- Input Type：Non-Inverting
- Features：Status Flag
- Fault Protection：Current Limiting (Fixed), Over Temperature, Reverse Current, UVLO
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Supplier Device Package：8-MSOP-EP
- Package / Case：8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Exposed Pad
- Grade：-
- Qualification：-
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Overview
The AP2155MPG-13 is a single-channel high-side power switch IC from Diodes Incorporated, designed for USB power distribution. It supports an input voltage range of 2.7 V to 5.5 V and delivers a continuous output current of 0.5 A with a peak capability of 0.8 A. The device features a maximum on-resistance of 115 mOhms and includes built-in protection against overcurrent, thermal overload, and undervoltage conditions. Operating temperatures span from -40 °C to +85 °C, housed in an MSOP-8 package.
Feature Summary
- Single-channel high-side switching architecture optimized for portable applications
- Integrated current limiting and thermal shutdown for circuit protection
- Active-high control interface for straightforward logic integration
Applications
- USB 2.0 hot-swap power distribution
- Portable electronic device power management
- Battery-powered equipment load switching
Procurement Notes
Verify the specific datasheet revision and RoHS compliance status directly with Diodes Incorporated before finalizing procurement. Confirm that the MSOP-8 EP package dimensions match your PCB footprint requirements. Ensure supply chain sources provide authentic components to avoid counterfeit risks associated with semiconductor markets.
Selection Notes
Select this component when a single channel with 0.5 A continuous current is required for USB or low-power distribution. Compare against the AP2151MPG-13 if lower current suffices, or the AP2161MPG-13 if higher current capacity is needed. Ensure the 115 mOhms on-resistance meets your voltage drop constraints within the 2.7 V to 5.5 V operating range.
Part Context
This part belongs to the AP21xx series of power switches from Diodes Incorporated, which provides various current ratings and channel configurations. The series targets USB and general power distribution needs in consumer and industrial electronics. The AP2155 variant specifically addresses single-channel applications requiring moderate current handling with integrated safety features.
Replacement Considerations
Publicly confirmed substitute part numbers are not available in the provided documentation. Verify compatibility with alternative single-channel high-side switches by matching voltage ranges, current limits, and package types.
