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Product Detailed Parameters
- Description：IC PWR SWITCH P-CHAN 1:1 8MSOP
- Series：-
- Mfr：Diodes Incorporated
- Package：Tape & Reel (TR)
- 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)：1.5A
- 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-MSOP
- Package / Case：8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
- Grade：-
- Qualification：-
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Overview
The AP2191DM8G-13 is a single-channel high-side power switch IC manufactured by Diodes Incorporated. It operates within a supply voltage range of 2.7 V to 5.5 V and supports a continuous output current of 1.5 A with a fixed current limit of 2.1 A. The device features a low on-resistance, typically 90 mΩ, and utilizes an MSOP-8 EP package for surface mount installation. It includes integrated protection mechanisms such as over-temperature shutdown, reverse current blocking, and UVLO.
Feature Summary
- Integrates fault protection including fixed current limiting, over-temperature shutdown, and reverse current blocking.
- Provides status indication via a dedicated flag output pin.
- Supports USB 2.0 compliant power distribution applications.
Applications
- USB port power switching
- Peripheral power distribution
- Battery-powered equipment load switches
Procurement Notes
Verify the specific suffix 'DM8G' against official Diodes Incorporated documentation to confirm the exact package type and tape-and-reel specifications. Ensure compatibility with the required operating temperature range of -40°C to +85°C. Cross-reference the datasheet for any recent product change notifications regarding assembly sites or material composition updates.
Selection Notes
Select this component when a single-channel high-side switch with integrated protection is required for 5V systems. The 1.5A rating suits moderate load applications. Consider the MSOP-8 EP package for thermal performance and board space constraints. Verify that the input voltage range aligns with the system's power supply rails.
Part Context
This part belongs to the AP2191 series of USB power switches from Diodes Incorporated. The series is designed for portable electronics and peripheral devices requiring efficient power management. The DM8G suffix denotes the specific MSOP-8 EP packaging configuration used for this variant.
Replacement Considerations
Consult official substitution guides for verified equivalents. Generic replacements may differ in on-resistance or protection thresholds.
FAQ
Does the AP2191DM8G-13 support reverse current flow?
No, the device includes reverse current blocking functionality to prevent backflow.
What is the maximum operating temperature?
The maximum ambient operating temperature is +85°C.
