PTN3222EUKZ

Signal Buffers, Repeaters, Splitters Overview

The PTN3222EUKZ is a single-port eUSB2 to USB2 redriver IC manufactured by NXP Semiconductors. It translates between eUSB2 and USB2 signaling schemes, supporting host repeater, device repeater, and dual-role repeater functions. The device operates at Low Speed (1.5 Mbps), Full Speed (12 Mbps), and High Speed (480 Mbps). It utilizes two power supplies: VDD3V3 and VDD1V8. The I2C target interface supports standard, fast, and fast mode plus speeds, with the SCL, SDA, and RST_N pins operating in the 1.2 V IO domain. The component is housed in a WLCSP12 package measuring 1.55 mm x 1.18 mm x 0.455 mm with a 0.35 mm pitch.

Signal Buffers, Repeaters, Splitters Feature Summary

• Performs translation between eUSB2 and USB2 signaling schemes for host, device, or dual-role applications.
• Features configurable signal integrity parameters including Tx de-emphasis, Rx equalization, and output swing on both interfaces.
• Includes robustness features such as over-voltage protection on USB2 data pins and backpower safety for GPIOs.
• Supports BC1.2 charging downstream port configuration capability in host mode.

Signal Buffers, Repeaters, Splitters Applications

• eUSB2 to USB2 repeater function in host platforms
• eUSB2 to USB2 repeater function in device platforms
• Protocol bridges connecting eUSB2 controllers to standard USB2 connectors

Signal Buffers, Repeaters, Splitters Procurement Notes

Verify the ordering part number PTN3222EUKZ corresponds to the WLCSP12 package variant. Confirm that the application design accommodates the specific 1.2 V IO requirement for control signals. Ensure supply voltages VDD3V3 and VDD1V8 are correctly decoupled near the package pins. Check that the I2C pull-up resistors connect to the appropriate voltage level for the 1.2 V domain.

Signal Buffers, Repeaters, Splitters Selection Notes

Select this component when interfacing an SoC with an eUSB2 PHY to a standard USB2 peripheral or connector. It is suitable for designs requiring signal conditioning over long PCB traces. Consider the WLCSP12 package size constraints. Verify compatibility with the platform's I2C controller for register configuration. Ensure the system supports the required 1.2 V logic levels for control lines.

Signal Buffers, Repeaters, Splitters Part Context

The PTN3222 family includes variants like PTN3222CUK and PTN3222GM. The PTN3222EUK specifically targets applications requiring 1.2 V IO on control lines. It belongs to the high-speed signal adaptation category within NXP's interface portfolio. This redriver enables advanced SoCs to interface with traditional USB2 applications.

Signal Buffers, Repeaters, Splitters Replacement Considerations

PTN3222DUK is a similar redriver but lacks the 1.2 V IO specification. PTN3222CUK is another variant within the same family. Verify pinout and electrical characteristics before substitution. Ensure the replacement supports the required repeater roles and signal integrity features.