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Product Detailed Parameters
- Description：DUAL USB PORT POWER SWITCH
- Series：-
- Mfr：Microchip Technology
- Package：Tube
- 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 UCS2113-2C-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 maximum power dissipation of 2.193 W. Electrical characteristics include a maximum on-time of 0.9 ms and an off-time of 0.75 ms. Quiescent current is specified at 700 uA. The component is housed in a QFN-20 package suitable for surface mount installation and functions reliably across a temperature range of -40 C to +105 C.
Feature Summary
- Dual USB port configuration with increased current limit threshold
- Integrated current sensing capabilities for monitoring
- Low on-resistance design for efficient power delivery
- Wide operating voltage range supporting various USB standards
Applications
- USB hub implementations requiring dual-port switching
- Portable electronic devices needing power path management
- Industrial equipment utilizing USB connectivity
- Automotive infotainment systems with USB interfaces
Procurement Notes
Verify the specific suffix 'C' against the manufacturer's official documentation to confirm the exact current limit threshold variant. Ensure the QFN-20 package dimensions align with the target PCB footprint. Confirm RoHS compliance status through the latest datasheet revision. Check for any recent product change notifications that may affect pinout or electrical parameters before finalizing procurement orders.
Selection Notes
Select this component when dual independent USB port control is required with precise current monitoring. The low on-resistance minimizes power loss during conduction. Consider the thermal performance given the 2.193 W dissipation rating in enclosed designs. The wide input voltage range accommodates battery-powered applications. Verify compatibility with upstream host controllers regarding signaling requirements.
Part Context
This part belongs to the UCS2113 series of USB switch ICs from Microchip Technology. It is distinct from the UCS2112 series which lacks certain current sensing features. The UCS2113T-2-V/G4 represents the tape-and-reel version of this family, while the UCS2113-2C-V/G4 is supplied in tubes. Related parts include single-port variants and automotive-grade versions like the UCS2113-1C-V/G4VAO.
Replacement Considerations
Publicly confirmed substitutes include UCS2113-2-V/G4 for standard packaging variations. UCS2113T-2-V/G4 serves as the reel-based alternative. UCS2113-1C-V/G4VAO is available for automotive qualification requirements. Verify pin-to-pin compatibility and electrical parameter equivalence before replacing.
