High performance USB switch for device connectivity

Quantity Unit Price(USD) Ext. Price
1 $0.480 $0.48
10 $0.393 $3.93
30 $0.355 $10.65
100 $0.309 $30.90
500 $0.252 $126.00
1000 $0.239 $239.00


*The price is for reference only.
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  • Part Number : PI3USB102GZLEX

  • Package/Case : TQFN-10

  • Brands : Diodes Incorporated

  • Components Categories : Analog Switches - Special Purpose

  • Datesheet : PI3USB102GZLEX DataSheet (PDF)

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Overview of PI3USB102GZLEX

The PI3USB102GZLEX is a high-speed 2-channel USB 2.0 switch specifically designed for switching between USB host/device ports or for USB On-The-Go (OTG) functionality. This switch features low On-Resistance and wide bandwidth operation, making it ideal for high-performance USB applications.


(Note: The pin configuration below is a general representation. Refer to the specific datasheet for precise details.)

  • A: Port A selection pin
  • B: Port B selection pin
  • EN: Enable pin
  • VCC: Power supply pin
  • GND: Ground pin
  • IN: Data input pin
  • OUT: Data output pin

Circuit Diagram

Include a circuit diagram illustrating the connections and operation of the PI3USB102GZLEX for a visual representation.

Key Features

  • High-Speed USB Switch: The PI3USB102GZLEX is a high-speed USB 2.0 switch capable of handling high-bandwidth data transfer rates.
  • Low On-Resistance: This switch offers low On-Resistance to minimize signal loss and distortion.
  • Wide Bandwidth Operation: With wide bandwidth operation, the PI3USB102GZLEX ensures high-quality signal transmission.
  • Enable Function: The enable pin allows users to control the switching functionality of the device easily.
  • Compact Package: Available in a compact package, the PI3USB102GZLEX is suitable for space-constrained designs.

Note: For detailed technical specifications, please refer to the PI3USB102GZLEX datasheet.


  • USB Host/Device Switching: Ideal for switching between USB host and device ports in various USB applications.
  • USB On-The-Go (OTG): Suitable for implementing USB OTG functionality in mobile devices and peripherals.
  • High-Speed Data Transfer: Used in applications requiring high-speed USB data transfer with minimal signal loss.


The PI3USB102GZLEX is a versatile 2-channel USB 2.0 switch designed to facilitate seamless switching between USB ports or devices. Its high-speed operation and low On-Resistance make it a reliable choice for diverse USB applications.

Usage Guide

  • Port Selection: Use the A and B selection pins to choose between the USB ports or devices to be switched.
  • Enable Control: Control the switching operation by toggling the EN (enable) pin as needed.
  • Power Connections: Connect VCC (power supply) and GND (ground) pins to the appropriate voltage levels.

Frequently Asked Questions

Q: Can the PI3USB102GZLEX handle USB 3.0 speeds?
A: The PI3USB102GZLEX is designed for USB 2.0 applications. For USB 3.0 speeds, consider using switches rated for higher data rates.

Q: Is the PI3USB102GZLEX suitable for mobile phone charging applications?
A: Yes, the PI3USB102GZLEX can be used in mobile phone charging circuits as a USB switch for efficient power management.


For similar functionalities, consider these alternatives to the PI3USB102GZLEX:

  • TS3USB221: A 2-channel USB switch with similar features for high-speed USB switching applications.
  • FSUSB42: This USB switch IC offers comparable performance and functionality to the PI3USB102GZLEX for USB switching applications.



The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Product Status Active Applications USB
Multiplexer/Demultiplexer Circuit 2:1 On-State Resistance (Max) 5Ohm
Voltage - Supply, Single (V+) 3V ~ 5.5V -3db Bandwidth 1GHz
Features Bi-Directional, USB 2.0 Operating Temperature -40°C ~ 85°C (TA)
Mounting Type Surface Mount Package / Case TQFN-10
Supplier Device Package 10-TQFN (1.3x1.6) Base Product Number PI3USB102
Manufacturer Diodes Incorporated Product Category USB Switch ICs
RoHS Details Product USB 2.0 Multiplexers/Demultiplexers
Configuration 1 x 2:1 On Resistance - Max 5 Ohms
On Time - Max 50 ns Off Time - Max 11 ns
Operating Supply Voltage 3 V to 5.5 V Minimum Operating Temperature - 40 C
Maximum Operating Temperature + 85 C Mounting Style SMD/SMT
Bandwidth 1 GHz Brand Diodes Incorporated
Number of Switches 1 Switch Operating Supply Current 1 uA
Pd - Power Dissipation 500 mW (1/2 W) Product Type USB Switch ICs
Factory Pack Quantity 3500 Subcategory Switch ICs
Supply Voltage - Max 5.5 V Supply Voltage - Min 3 V
Unit Weight 0.002729 oz

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