TS3USB221AQRSERQ1

$0.67

Description：IC USB SWITCH DUAL 1X2 10UQFN
Series：-

SKU:1fa5e2e617b1 Category: Analog Switches - Special Purpose Brand: Texas Instruments

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Product introduction

TS3USB221AQRSERQ1 is listed in the Analog Switches - Special Purpose range at ChipApex. The manufacturer field lists Texas Instruments. Its product description is IC USB SWITCH DUAL 1X2 10UQFN. Review the specifications below when checking this part for your BOM.

Analog Switches - Special Purpose specifications for TS3USB221AQRSERQ1

Description：IC USB SWITCH DUAL 1X2 10UQFN
Series：-
Mfr：Texas Instruments
Package：Tape & Reel (TR),Cut Tape (CT)
Applications：USB
Multiplexer/Demultiplexer Circuit：2:01
Switch Circuit：SPDT
Number of Channels：2
On-State Resistance (Max)：6Ohm
Voltage - Supply, Single (V+)：2.3V ~ 3.6V
Voltage - Supply, Dual (V±)：-
-3db Bandwidth：900MHz
Features：Bi-Directional, USB 2.0
Operating Temperature：-40°C ~ 125°C (TA)
Mounting Type：Surface Mount
Package / Case：10-UFQFN
Supplier Device Package：10-UQFN (2.0x1.5)
Grade：Automotive
Qualification：AEC-Q100

Analog Switches - Special Purpose datasheet and documents for TS3USB221AQRSERQ1

TS3USB221AQRSERQ1

Analog Switches - Special Purpose Overview

The TS3USB221AQRSERQ1 is an ESD-protected, high-speed USB 2.0 (480 Mbps) 1:2 multiplexer/demultiplexer switch with a single enable pin. It operates at VCC voltages from 2.3 V to 3.6 V and accepts VI/O signals up to 5.5 V. The device features a typical bandwidth of 900 MHz, maximum on-state resistance of 16 Ω, and low power consumption of 30 µA in active mode, dropping to 1 µA when disabled. It is housed in a 10-pin UQFN package (2.0 mm × 1.5 mm) and supports an ambient operating temperature range of –40°C to 125°C.

Analog Switches - Special Purpose Feature Summary

Qualified for automotive applications under AEC-Q100 standards
Integrates ESD protection cells on all pins
Bidirectional switching with minimal signal attenuation
Low-power mode reduces current consumption significantly

Analog Switches - Special Purpose Applications

Routing high-speed USB signals
Automotive USB hubs
Phone-controlled automotive infotainment systems

Analog Switches - Special Purpose Procurement Notes

Verify the complete part number including suffixes such as Q1 and RSE against official Texas Instruments documentation to ensure correct automotive qualification and packaging specifications. Confirm that the ordering information matches the required tape-and-reel quantity and lead finish details specified in the latest product folder.

Analog Switches - Special Purpose Selection Notes

Select this component for designs requiring automotive-grade reliability and extended temperature operation up to 125°C. Ensure the system voltage aligns with the 2.3 V to 3.6 V supply range and that control inputs are compatible with 1.8-V logic levels. Verify that the 16 Ω maximum on-resistance meets the impedance requirements of the specific USB application.

Analog Switches - Special Purpose Part Context

This device belongs to the TS3USB221 family of high-speed USB switches. The TS3USB221A variant specifically adds integrated ESD protection and automotive qualification compared to standard industrial versions. It serves as a specialized solution for expanding limited USB I/O ports in constrained automotive controller environments.