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Product Detailed Parameters
- Description：DUAL USB PORT POWER SWITCH
- 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：Non-Inverting
- 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-1C-V/G4 is a dual USB port power switch IC manufactured by Microchip Technology. It operates within a supply voltage range of 2.9 V to 5.5 V and features a maximum on-resistance of 40 mOhms. The device supports a DC switch current of 3 A with a typical operating supply current of 700 uA. Key timing parameters include a maximum run time of 0.9 ms and an idle time of 0.75 ms. Power dissipation is rated at 2.193 W. It functions in high-side configuration with a 1:1 input-to-output ratio, suitable for applications requiring increased current limit thresholds.
Feature Summary
- Dual USB port power switching capability with increased current limit threshold
- High-side output configuration supporting up to 3 A DC switch current
- Low on-resistance design minimizing power loss during operation
- Integrated current monitoring functionality for precise load management
Applications
- USB hub power distribution systems
- Portable electronic device charging interfaces
- Computer peripheral power control circuits
- Industrial USB connectivity modules
Procurement Notes
Verify the specific suffix G4 indicates lead-free and RoHS compliance status before procurement. Confirm that the QFN-20 package dimensions align with your PCB footprint requirements. Ensure the operating temperature range of -40 C to +105 C meets your environmental specifications. Cross-reference the datasheet for any updates regarding the AEC-Q100 qualification status if automotive application is intended. Validate supply chain authenticity through authorized Microchip distributors.
Selection Notes
Select this component when dual independent USB port control with high current capacity is required. The low on-resistance makes it suitable for efficient power delivery in space-constrained designs. Consider the 700 uA quiescent current for battery-powered applications where standby consumption matters. The wide operating voltage range ensures compatibility with standard USB power rails. Evaluate thermal performance given the 2.193 W power dissipation rating under full load conditions.
Part Context
This part belongs to Microchip's UCS2113 family of USB dual-port power switches. Similar variants include UCS2113T-2-V/G4 which may differ in specific electrical characteristics or packaging options. The UCS2113-1C-V/G4VAO represents another variant potentially featuring different qualification standards. These components share common architectural features but vary in specific parameter tolerances and certification levels.
Replacement Considerations
Direct substitutes include UCS2113T-2-V/G4 from the same manufacturer family. Verify pinout compatibility and electrical parameter equivalence before substitution. Check if alternative packages like PQCC20 are functionally interchangeable. Ensure replacement parts maintain the same current limit threshold specifications.
