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Product Detailed Parameters
- Description：IC PWR SWITCH P-CHAN 1:1 SOT25
- 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)：95mOhm
- Input Type：Non-Inverting
- Features：Load Discharge, 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：SOT-25
- Package / Case：SC-74A, SOT-753
- Grade：-
- Qualification：-
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Overview
The AP2141DWG-7 is a single-channel high-side power switch IC designed for USB 2.0 power distribution applications. Manufactured by Diodes Incorporated, it operates within a supply voltage range of 2.7 V to 5.5 V. The device provides an output current capability of 500 mA with a maximum current limit of 800 mA. It features a maximum on-resistance of 115 mOhms and supports surface-mount installation in an SOT-25-5 package. The component functions reliably across an operating temperature range from -40°C to +85°C.
Feature Summary
- Single-channel high-side power switching architecture
- Integrated overcurrent protection limiting output to 800 mA
- Low on-resistance for efficient power distribution
- Compatible with USB 2.0 interface standards
Applications
- USB 2.0 port power switching
- Peripheral power distribution circuits
- Battery-powered device power management
Procurement Notes
Verify the specific suffix 'DWG-7' against the manufacturer's latest documentation to confirm package type and tape-and-reel specifications. Ensure compatibility with RoHS directives if required by your assembly process. Cross-reference the Mouser number 621-ap2141dwg-7 for accurate distributor identification. Confirm that the SOT-25-5 footprint matches your PCB design constraints before finalizing procurement.
Selection Notes
Select this component when a single-channel solution with 500 mA continuous output is required. The 115 mOhm on-resistance makes it suitable for low-loss power routing. Consider the 800 mA current limit for basic overload protection without external sensing components. The wide input voltage range accommodates various battery and regulated supply sources common in portable electronics.
Part Context
This part belongs to the AP2141 series of USB power switches from Diodes Incorporated. It is categorized under Power Switch ICs for power distribution. The series includes variants with different packages and current ratings, such as the AP2141DFMG-7 and AP2141SG-13, offering flexibility for different board space and thermal requirements within the same functional family.
Replacement Considerations
Potential substitutes include the AP2141DFMG-7 and AP2141SG-13 from the same manufacturer. Verify pinout compatibility and package dimensions (SOT-25-5 vs. alternatives) before substitution. Ensure the replacement maintains the 500 mA output and 800 mA limit specifications to preserve circuit protection levels.
