FUSB302UCX

Controllers Overview

The FUSB302UCX is a programmable USB Type-C controller manufactured by onsemi, formerly Fairchild Semiconductor. It supports USB 3.1 standards and integrates a USB BMC physical layer for Power Delivery protocols. The device operates within a supply voltage range of 2.8V to 5.5V with a typical supply current of 25µA. It is housed in a 9-WLCSP package measuring 1.22x1.22 mm. The component functions as a controller for USB interfaces and supports dual-role switching capabilities.

Controllers Feature Summary

• Supports USB Type-C detection including attachment/detachment and orientation sensing
• Integrates USB BMC physical layer allowing up to 100W power transfer
• Enables autonomous Dual-Role Port (DRP) switching for role swap functionality

Controllers Applications

• Laptops requiring fast charging and high-speed data transmission
• Smartphones and tablets needing stable power delivery
• Virtual reality devices utilizing advanced power handling

Controllers Procurement Notes

Verify the End-of-Life (EOL) status announced on April 8, 2024, before design-in. Confirm that the replacement part FUSB302BUCX maintains pin compatibility and electrical specifications for your specific application requirements.

Controllers Selection Notes

Select this component for designs requiring a compact 9-WLCSP footprint. Ensure the system firmware can handle the programmable DRP/SRC/SNK configurations. Verify that the host MCU supports the necessary I2C interface for communication with the controller.

Controllers Part Context

This part belongs to the FUSB302MPx family of USB Type-C controllers. It is designed to replace older legacy connectors by providing comprehensive Type-C and Power Delivery support in a minimal form factor suitable for modern portable electronics.

Controllers Replacement Considerations

The FUSB302BUCX is listed as a parameter-equivalent substitute. Verify package dimensions and thermal characteristics when transitioning from the UCX to the BUCX variant.