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Product Detailed Parameters
- Description：IC PWR SWITCH N-CHAN 1:1 SOT23-5
- Series：-
- Mfr：Texas Instruments
- 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：N-Channel
- Interface：On/Off
- Voltage - Load：4.5V ~ 5.5V
- Voltage - Supply (Vcc/Vdd)：Not Required
- Current - Output (Max)：-
- Rds On (Typ)：-
- Input Type：Non-Inverting
- Features：Load Discharge, Status Flag
- Fault Protection：Current Limiting (Fixed), Over Temperature, Reverse Current, UVLO
- Operating Temperature：-40°C ~ 125°C (TJ)
- Mounting Type：Surface Mount
- Supplier Device Package：SOT-23-5
- Package / Case：SC-74A, SOT-753
- Grade：-
- Qualification：-
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Overview
The 905X0205100 is a current-limited power-distribution switch manufactured by Texas Instruments. It operates within a voltage range of 4.5V to 5.5V and supports a continuous loading current of 0.5A. The device features an on/off interface with a non-inverting input type and provides an output type suitable for load discharge and status flagging. Its typical on-resistance is 97mohm, designed for USB power distribution applications.
Feature Summary
- Current-limited protection for power distribution circuits
- Integrated load discharge capability
- Status flag output for system monitoring
Applications
- USB power distribution systems
- Portable electronic devices requiring 5V power management
- Battery-powered equipment with load switching needs
Procurement Notes
Verify the exact package type and marking code (VBYQ) against the official Texas Instruments datasheet before procurement. Ensure the supplier provides documentation confirming the component is a power-distribution switch rather than a general-purpose driver or processor. Cross-reference the part number with TI's official ordering information to confirm availability and revision status.
Selection Notes
Select this component when a compact solution for 5V USB power distribution is required. It is suitable for designs needing integrated current limiting and load discharge functions. Consider its 97mohm on-resistance for efficiency calculations in low-voltage, high-current paths where space is constrained.
Part Context
This part belongs to Texas Instruments' portfolio of PMIC power switches and specialty drivers. It is distinct from audio amplifiers or digital signal processors found in broader catalog searches. The component is specifically engineered for power management tasks involving load switching and protection in consumer electronics.
Replacement Considerations
Consult Texas Instruments' official substitution guide for verified alternatives. Generic equivalents may not match the specific 0.5A current limit or 97mohm resistance characteristics. Verify pin compatibility and thermal performance before replacing.
