UCS2112-1-V/G4

Power Distribution Switches, Load Drivers Overview

The UCS2112-1-V/G4 is a dual-channel USB port power controller manufactured by Microchip Technology. It operates within a supply voltage range of 4.5 V to 5.5 V, with a nominal working voltage of 5 V. The device features a maximum on-resistance of 40 mOhms and supports eight programmable continuous current limits per port, ranging from 0.53 A to 3.0 A. Key timing parameters include a maximum run time of 200 ms and a maximum idle time of 1 ms. It is housed in a 20-pin QFN package and functions across an operating temperature range of -40°C to +105°C.

Power Distribution Switches, Load Drivers Feature Summary

• Integrates dynamic thermal management to maximize system reliability and uptime.
• Provides precision current limiting and integrated current monitoring for each port.
• Supports charge rationing capabilities for efficient power distribution.
• Offers flexible operation individually or in coordination with USB hubs.

Power Distribution Switches, Load Drivers Applications

• Laptops and tablets
• Monitors and docking stations
• Printers and storage devices
• Multi-port charging accessories

Power Distribution Switches, Load Drivers Procurement Notes

Verify the component status as Not Recommended for New Designs (NRND) before integration into new products. Confirm moisture sensitivity levels and appropriate handling procedures due to the QFN package type. Ensure compatibility with existing USB hub architectures if deploying in complex host systems. Review the latest datasheet for any updates regarding pinout or electrical characteristics prior to finalizing procurement specifications.

Power Distribution Switches, Load Drivers Selection Notes

Select this component when precise current control and thermal protection are required for dual USB ports. Consider the programmable current limit options to match specific charging profiles. Evaluate the need for dynamic thermal management features to prevent overheating in high-density applications. Compare against single-channel alternatives if only one port is necessary, or higher-capacity controllers for additional ports.

Power Distribution Switches, Load Drivers Part Context

This part belongs to the UCS2112 series of USB power switches. It complements other Microchip USB solutions like the UCS2113, which offers increased current limit thresholds. The series is designed for host devices requiring robust power management. It fits within the broader category of switch ICs and USB power switches provided by Microchip Technology for computing and automotive applications.

Power Distribution Switches, Load Drivers Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. The UCS2112T-2-V/G4 is a tape-and-reel variant of the same functional device. Designers should consult official Microchip channels for end-of-life management strategies or approved alternates given the NRND status.