UPD350CT/Q8X

Controllers Overview

The UPD350CT/Q8X is a highly integrated USB Type-C Power Delivery 3.0 port controller in a 28-QFN package. It supports I2C interface communication and standalone UFP mode with dead battery support at +1.8V-3.3V. The device operates within a supply voltage range of 1.62 V to 3.47 V and functions at temperatures from 0°C to +70°C. It features Full Speed data rates up to 270 kb/s, supporting DFP and DRP port types.

Controllers Feature Summary

• Integrated analog discrete components including VCONN FETs and power switches reduce bill of materials.
• Supports USB Power Delivery 3.0 MAC with automatic GoodCRC and error handling.
• Includes cable plug orientation detection and alternate mode support for DisplayPort.

Controllers Applications

• Notebook Computers
• All-in-One/Desktop PCs
• Smartphones
• Tablets
• Docking Stations

Controllers Procurement Notes

Verify the specific suffix 'T' against official Microchip documentation to confirm tape-and-reel packaging status, as standard listings may indicate tray packaging. Confirm current availability and end-of-life status directly with authorized distributors, as this component family has been subject to discontinuance notifications.

Controllers Selection Notes

Select the UPD350CT/Q8X when an I2C interface is required for companion controller applications. Ensure the commercial temperature range (0°C to +70°C) meets system requirements. Verify that standalone UFP functionality with dead battery support aligns with the design architecture compared to SPI-based alternatives.

Controllers Part Context

This part belongs to the UPD350 family of USB Type-C PD controllers manufactured by Microchip Technology. It serves as a companion controller for Microchip USB hubs or SoCs, providing a small form factor solution for implementing USB Type-C connectivity and power delivery negotiation protocols.

Controllers Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material. Designers should consult Microchip's official product selection guide or contact technical support for recommended replacements or next-generation equivalents.