UPD350BT-I/Q8X

Controllers Overview

The UPD350BT-I/Q8X is a highly integrated USB Type-C Power Delivery 3.0 port controller in a 28-QFN package. It features an SPI interface for communication with companion processors and supports Dual Role Port (DRP) operation with Fast Role Swap. The device integrates analog components including VCONN FETs, current/voltage sense circuits, and a power switch for dead battery support. Operating voltage ranges from 1.62V to 3.47V, with an industrial temperature range of -40°C to +85°C.

Controllers Feature Summary

• Integrated USB Power Delivery 3.0 MAC handling packet framing, CRC, and encoding/decoding.
• Supports USB Type-C Alternate Modes including DisplayPort.
• Includes integrated analog discrete components such as VCONN FETs and overcurrent detection circuitry.
• Provides dead battery support via an integrated power switch selectable between VBUS and main supply.

Controllers Applications

• Notebook Computers
• Docking Stations
• Multi-port Chargers

Controllers Procurement Notes

Verify the specific suffix 'I/Q8X' against the manufacturer's official documentation to confirm the exact interface configuration and environmental rating. Ensure compatibility with the host system's SPI protocol requirements before finalizing procurement.

Controllers Selection Notes

Select this component when a small form factor solution with integrated analog components is required. Verify that the host processor supports the SPI interface used by the UPD350-B variant. Confirm that the operating temperature range meets the application's environmental specifications.

Controllers Part Context

The UPD350 family includes variants with I2C or SPI interfaces. The UPD350B specifically utilizes the SPI interface for CPU communication. This distinguishes it from the UPD350A and UPD350C which use I2C. All variants share the same core PD functionality and package type.

Controllers Replacement Considerations

UPD350-A/I/Q8X

Controllers FAQ

Does the UPD350BT support standalone mode?

No, the UPD350-B variant does not support Standalone UFP/DFP mode; it requires an external MCU or SoC via the SPI interface.

What is the maximum supported SPI clock frequency?

The maximum supported SPI clock frequency is 25 MHz.