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Product Detailed Parameters
- Description：IC PWR SWITCH P-CHANNEL 1:1 8SO
- 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：8-SO
- Package / Case：8-SOIC (0.154", 3.90mm Width)
- Grade：-
- Qualification：-
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Overview
The AP2151DSG-13 is a single-channel high-side USB power switch IC manufactured by Diodes Incorporated. It operates within a supply voltage range of 2.7 V to 5.5 V and provides an output current capability of 500 mA with a fixed current limit of 800 mA. The device features a maximum on-resistance of 115 mOhms, ensuring efficient power distribution. It is housed in an SOIC-8 surface-mount package and supports operation across a temperature range of -40°C to +85°C.
Feature Summary
- Integrates overcurrent protection with a fixed 800 mA limit to safeguard downstream loads
- Includes thermal shutdown and under-voltage lockout for enhanced system reliability
- Provides fast switching characteristics with typical rise and fall times of 50 microseconds
Applications
- USB port power distribution in computing peripherals
- Power management in consumer electronics devices
- Industrial control systems requiring protected power rails
Procurement Notes
Verify the specific suffix 'DSG-13' against official Diodes Incorporated documentation to confirm the SOIC-8 package and tape-and-reel configuration. Ensure compatibility with standard surface-mount assembly processes. Confirm RoHS compliance status through the manufacturer's latest environmental declaration before finalizing procurement specifications.
Selection Notes
Select this component when a single-channel solution with 500 mA continuous load capacity is required. The 115 mOhm on-resistance offers a balance between conduction loss and cost. Consider alternative packages such as MSOP or UDFN if board space constraints differ from the SOIC-8 footprint requirements.
Part Context
This part belongs to the AP2151 series of USB power switches from Diodes Incorporated. The series includes variants with different packaging options like MSOP-8 and UDFN-6, but maintains consistent electrical performance parameters. The AP2151DSG-13 specifically denotes the SOIC-8 variant designed for general-purpose power distribution applications.
Replacement Considerations
AP2151AMP-13 (MSOP-8 package)
FAQ
What is the fixed current limit for the AP2151DSG-13?
The device has a fixed current limit of 800 mA.
Does the AP2151DSG-13 support reverse current flow?
Standard datasheets for the AP2151 series do not explicitly list reverse current blocking as a primary feature compared to later models like the AP2171.
