Overview
The TS3USB221DRCR is a high-performance USB 2.0 switch IC manufactured by Texas Instruments. It is designed for portable electronic devices requiring signal switching between multiple USB ports or peripherals. The device supports data rates up to 480 Mbps, making it suitable for high-speed USB applications. As a single-pole double-throw (SPDT) switch, the TS3USB221DRCR provides seamless switching between two signal paths while maintaining signal integrity. Its compact VQFN package (10-pin, 1.4mm × 1.8mm) makes it ideal for space-constrained designs commonly found in mobile devices.
Structure and Working Principle
The TS3USB221DRCR consists of a high-speed CMOS switch matrix controlled by a single enable pin. When enabled, the switch connects the common port to one of two channel ports with minimal insertion loss and crosstalk. The device operates on a single 2.5V to 4.3V power supply, making it compatible with various system voltages. Internal circuitry includes ESD protection diodes on all pins, rated for 8kV contact discharge per IEC 61000-4-2. The switch exhibits low on-state resistance (typically 4Ω) and flatness across the signal path, ensuring minimal distortion of high-frequency USB signals.
Key Features
The TS3USB221DRCR offers several advantages for USB signal routing applications. Its low power consumption (typically 1μA in standby mode) extends battery life in portable devices. The wide bandwidth (-3dB at 720MHz) supports full-speed USB 2.0 signals without signal degradation. Notable features include excellent channel-to-channel crosstalk isolation (-50dB at 100MHz) and low total harmonic distortion (<-50dB). The device is also RoHS compliant and operates across an industrial temperature range (-40°C to +85°C), making it suitable for various environmental conditions.
Application Areas
This USB switch is commonly used in smartphones, tablets, and laptops to manage multiple USB ports or alternate between different USB functions. It enables designs where a single USB connector might serve both host and device roles, or switch between different peripherals. Other applications include docking stations, USB hubs, and industrial equipment requiring robust signal switching. The device's ESD protection makes it particularly valuable in consumer electronics where connectors are frequently exposed to static discharge events.
Maintenance and Precautions
The TS3USB221DRCR requires minimal maintenance as a solid-state device. Designers should ensure proper PCB layout with controlled impedance traces for USB signals. Power supply decoupling (0.1μF capacitor recommended) near the VCC pin is essential for optimal performance. Precautions include avoiding exposure to voltages beyond absolute maximum ratings (VCC + 0.5V) and proper ESD handling during assembly. While the device includes ESD protection, additional system-level protection may be required for harsh environments.
B2B Procurement Guide
When procuring TS3USB221DRCR in bulk, verify authenticity through authorized distributors like Texas Instruments' franchised partners. Lead times typically range from 8-12 weeks for large orders, though some distributors may stock standard quantities. Consider tape-and-reel packaging (3000 units per reel) for automated assembly. Request samples for design verification before large-scale procurement. Price breaks typically occur at quantity thresholds of 1000, 5000, and 10000 units.
Related Manufacturers
- 主营：放大器、检测器、滤波器、调制器、发射器、接收器、衰减器、解调器、变压器、合成器、收发器、偏置器、振荡器、rfid天线、终端负载、隔直流器、微波射频、集成电路、同轴开关、接入监控ic、频率综合器、射频适配器、多路复用器、耦合器电桥、定向耦合器
- 主营：tlc274cdr、模块mos、易龙泰、chip1stop、缓冲器、衰减器、放大器、制pcb板、传感器、国内pcb、多层pcb、25svpf47m、逆变器、样板pcb、泰科源、博思达、稳压器、北高智、蓝伯科、机器人、变压器、控制器、smt贴片、阻抗fpc、整流管
- 主营：IC、集成电路、微控制器、逻辑器件、单片机、电源管理、连接器、锂电池、存储器、传感器、继电器、放大器、二极管、三极管、以太网、模块、射频
- 主营：IC芯片、连接器、指纹芯片、指纹模组、指纹排线、内存卡、SSD固态硬盘、内存条、传感器
- 主营：ad2s83apz、ad2s80aud、ad2s99apz、adi模数、ag203-63g、njstd261a、缓冲器、解码器、lsm9ds1tr、ag201-63g、调节器、连接器、njstd262a、分频器、陀螺仪、处理器、驱动器、adi电源、hmc347arf、加速计、放大器、稳压器、锁相环、控制器、以太网
- 主营：电源管理IC、控制器芯片、集成电路、二三极管、muRata电容、电阻、连接器、传感器、单片机、模块、电子元器件、监控电路、集成芯片、定位传感器、IC、MCU模组、调制数字音频IC芯片、微调电容器、可变电容器、可编程控制器、精密运算放大器、双极线性稳压器、达林顿晶体管、音频编解码器、绝缘栅双极晶体管
- 主营：ad7794bruz、adum1250arz、贴片电阻、贴片电容、adi亚德诺、0603b105k500nt、1206b103k500nt、0603b103k500ct、0603b224k250nt、0805b105k160ct、rc1206fr-070rl、0805b103k500ct、0603b225k160nt、0603x105k250ct、0603b105k250nt、rc0402jr-071ml、0805x476m6r3nt、0402b104k160nt、0603b472k500nt、rc0603fr-072rl、0402b104k250nt、1206b103k500ct、0603x106m100nt、1206b102k102nt、0402b103k500ct
- 主营：可控硅、肖特基二极管、光电耦合器、集成电路、逻辑ic、传感器、运算放大器、音频放大器、双向可控硅、存储器、电源管理、处理器、控制器、模拟比较器、模块、电感磁珠、电阻排阻、半导体
- 主营：芯片IC、电源IC、MOS管、二极管、三极管、单片机、继电器、模块、连接器、滤波器、传感器、BOM配单
- 主营：芯片、三极管、二极管
- 主营：TI、Sensirion、DIODES、ALTERA、TDK、ST/意法、INFINEON、CYPRESS、epc2ti32n、ep53a8hqi、ep53a8hqa、sht35-dis、epc2tc32n、ep4ce55f23、ep3c25e144、stk8ba50-s、stk3311-wv、sgp40-d-r4、sgp30-2.5k、epc1441pc8、epc16ui88n、ep3c10f256、ep3c25f324、scd40-d-r2、smsc
- 主营：ad7845jrz、ad8044anz、ad96687br、ad6652bbc、ad574ajnz、ad9617jnz、ad688arwz、ad1881jst、adm709lar、adg466brz、ak8911-e2、ad8615arz、ad8551arz、lt1361cs8、ad7846jpz、ad7226krz、akm5381vt、ad9631anz、ad7237aar、ad9696krz、ad607arsz、ad8033arz、ad8402a50、ad7547jnz、ad7741brz
- 主营：max232ese、bat46wj-q、zoe-m8g-0、lt3748ems、opa828idr、ltm4622ey、ltm4644ey、icm-42631、ltm8064iy、icm-40608、icm-40607、ltm8074iy、1edn8550b、tda8954th、ds2431p+t、lt3042edd、icm-42607、icm-42605、atf-38143、比较器、wg82574it、kty81/210、lsm6dsetr、bas321-qx、ltm8064ey
- 主营：集成电路
- 主营：电源管理、稳压管、微控制器、传感器、模块、继电器、集成电路、稳压器、电容、控制器、连接器、储存IC、MOS管、模数转换芯片ADC、逻辑器件