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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)：1A
- Rds On (Typ)：95mOhm
- 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-SO
- Package / Case：8-SOIC (0.154", 3.90mm Width)
- Grade：-
- Qualification：-
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Overview
The AP2171AS-13 is a single-channel, high-side power switch IC designed for USB 2.0 applications by Diodes Incorporated. It operates within a supply voltage range of 2.7 V to 5.5 V and supports an output current of 1 A with a fixed current limit of 1.5 A. The device features a maximum on-resistance of 95 mOhms and utilizes an 8-SOIC package. Key electrical parameters include a maximum turn-on time of 0.6 ms and an operating temperature range from -40°C to +85°C.
Feature Summary
- Integrates comprehensive fault protection including fixed current limiting, overtemperature shutdown, reverse current blocking, and under-voltage lockout.
- Provides status flag indication for monitoring operational state and fault conditions.
- Utilizes a simple On/Off interface control for straightforward integration into power distribution networks.
Applications
- USB 2.0 port power switching and distribution
- Battery-powered equipment load management
- Peripheral device power control
Procurement Notes
Verify the specific suffix 'AS-13' against the manufacturer's official datasheet to confirm the 8-SOIC package and 95 mOhm Rds(on) characteristics. Ensure compatibility with system voltage requirements between 2.7 V and 5.5 V. Confirm RoHS compliance status through the latest component documentation before finalizing procurement specifications.
Selection Notes
Select this component for designs requiring a single-channel high-side switch with integrated current limiting and thermal protection. The low on-resistance minimizes power dissipation in continuous operation. Verify that the 1.5 A current limit aligns with downstream load requirements and that the 8-SOIC footprint fits the PCB layout constraints.
Part Context
This part belongs to the AP2171 series of single-channel current-limited power switches. The series offers various package options including UDFN-6 and SOP-8 variants. The AP2171AS-13 specifically denotes the 8-SOIC package version with defined electrical thresholds for USB power distribution applications.
Replacement Considerations
Cross-reference with other AP2171 variants such as AP2171DSG-13 or AP2171SG-13 if different packaging or slight parameter variations are acceptable. Verify pinout compatibility and ensure replacement parts meet the same 2.7 V to 5.5 V operating voltage range and 1 A output current specifications.
FAQ
What is the maximum on-resistance of the AP2171AS-13?
The maximum on-resistance is 95 mOhms.
Does the AP2171AS-13 support reverse current flow?
Yes, it includes reverse current blocking as part of its fault protection features.
