PI3USB31ZUAEX

Analog Switches - Special Purpose Overview

The PI3USB31ZUAEX is a high-bandwidth USB 2.0 switch designed for routing high-speed signals in mobile and consumer electronics. It operates on a single supply voltage ranging from 2.8 V to 4.3 V, with control inputs compatible with 1.8 V logic levels. The device supports full power-down mode via the IOFF feature. Key electrical parameters include a typical on-resistance (RON) of 6 Ω, a differential on-resistance (DRON) of less than 0.35 Ω, and an input/output capacitance of 5 pF when active. It provides a wide -3 dB bandwidth of 2110 MHz and exhibits low propagation delay of 0.35 ns.

Analog Switches - Special Purpose Feature Summary

• Supports bidirectional switching of high-speed USB 2.0 signals with minimal attenuation or phase distortion.
• Enables complete power-down operation through dedicated IOFF functionality for reduced standby current.
• Provides robust electrostatic discharge protection meeting stringent human-body model and IEC standards.

Analog Switches - Special Purpose Applications

• Cell phones and handheld mobile devices
• Digital cameras
• Notebooks with limited USB controller I/O

Analog Switches - Special Purpose Procurement Notes

Verify that the ordering suffix matches the required tape and reel packaging configuration. Confirm the package code aligns with the specific footprint requirements of the target printed circuit board design before finalizing procurement orders.

Analog Switches - Special Purpose Selection Notes

Select this component when designing systems requiring a single-port switch for USB 2.0 data lines. Ensure the operating voltage range accommodates the system's 2.8 V to 4.3 V supply rails and verify that the 1.8 V control pin compatibility meets the host processor's logic output levels.

Analog Switches - Special Purpose Part Context

This part belongs to the PI3USB series of interface switches manufactured by Diodes Incorporated. It is specifically engineered to manage signal routing between USB hosts and peripherals in space-constrained portable applications where signal integrity and low power consumption are critical design constraints.

Analog Switches - Special Purpose Replacement Considerations

Consult official manufacturer documentation to identify qualified alternative part numbers within the same product family. Verify pinout compatibility and electrical specifications before substituting any components in existing designs.

Analog Switches - Special Purpose FAQ

What is the maximum supply voltage for the PI3USB31?

The maximum recommended supply voltage (VDD) for the PI3USB31 is 4.3 V.

How does the device handle ESD events?

The device offers 7 kV Human-Body Model protection per JESD22 spec and ±4 kV contact protection per IEC61000-4-2.

Is the switch bidirectional?

Yes, the PI3USB31 is a bidirectional switch capable of passing high-speed signals in both directions with little or no attenuation.