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Product Detailed Parameters
- Description：IC PWR SWITCH 1:1 20QFN
- Series：-
- Mfr：Microchip Technology
- Package：Tape & Reel (TR),Cut Tape (CT)
- Switch Type：USB Switch
- Number of Outputs：2
- Ratio - Input:Output：1:01
- Output Configuration：High Side
- Output Type：-
- Interface：I2C, SMBus
- Voltage - Load：2.9V ~ 5.5V
- Voltage - Supply (Vcc/Vdd)：4.5V ~ 5.5V
- Current - Output (Max)：3A
- Rds On (Typ)：40mOhm
- Input Type：-
- Features：-
- Fault Protection：Current Limiting (Fixed), Over Temperature, Over Voltage, UVLO
- Operating Temperature：-40°C ~ 105°C (TA)
- Mounting Type：Surface Mount
- Supplier Device Package：20-QFN (4x4)
- Package / Case：20-VFQFN Exposed Pad
- Grade：-
- Qualification：-
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Overview
The UCS2113T-2-V/G4 is a dual-port USB power switch and current monitor IC from Microchip Technology. It supports load voltages between 2.9V and 5.5V with a supply voltage range of 4.5V to 5.5V. The device delivers up to 3A continuous output current per channel, featuring a typical on-resistance (Rds(on)) of 40mΩ at room temperature. Communication is managed via I2C or SMBus interfaces. It is housed in a 20-QFN (4x4mm) package.
Feature Summary
- Dual-channel architecture for independent USB port power management
- Integrated current sensing capabilities for real-time monitoring
- Low conduction loss through optimized on-resistance design
- Digital control interface for programmable switching operations
Applications
- USB hub power distribution systems
- Portable electronic device charging circuits
- Industrial USB interface protection modules
- Consumer electronics power management units
Procurement Notes
Verify the specific suffix V/G4 against the official Microchip datasheet to confirm package type and environmental compliance. Ensure I2C address configurations match system requirements. Check humidity sensitivity levels for proper storage and handling procedures during assembly.
Selection Notes
Select this component when dual independent USB ports require individual current limiting and status reporting. The 40mΩ on-resistance suits high-efficiency applications where thermal management is critical. Confirm that the host controller supports the required I2C/SMBus protocol for reliable communication.
Part Context
This part belongs to the UCS2113 series of USB power switches. It complements other Microchip USB interface solutions by providing robust power delivery and monitoring. The series targets modern USB standards requiring precise current control and fault protection.
Replacement Considerations
Consult Microchip documentation for direct pin-compatible alternatives within the UCS21xx family. Verify electrical parameters such as Rds(on) and current limits before substituting with generic USB switches.
