Home > Industry Information > TXS0102DCTR
The TXS0102DCTR is a high-performance, bidirectional, automatic direction-sensing voltage-level translator from Texas Instruments. Part of the TXS010x series, this device is specifically designed to solve bidirectional communication problems between different logic levels (such as 1.8V, 2.5V, 3.3V, and 5V) in mixed-voltage systems. Its core advantage is that it requires no direction control pin; it automatically detects data flow direction and performs real-time translation, greatly simplifying the design of serial bus interfaces like I²C, UART, and SPI.
Category:Integrated Circuits (ICs);Logic;Translators, Level Shifters
Manufacturer:Texas Instruments
Packaging:Tape & Reel (TR);Cut Tape (CT)Digi-Reel®
Part Status:Active
Translator Type:Voltage Level
Number of Circuits:1
Channels per Circuit:2
Voltage - VCCA:1.65 V ~ 3.6 V
Voltage - VCCB:2.3 V ~ 5.5 V
Output Type:Open Drain, Push-Pull
Data Rate:24Mbps
Operating Temperature:-40°C ~ 85°C (TA)
Features:Auto-Direction Sensing
Mounting Type:Surface Mount
Package / Case:8-LSSOP, 8-MSOP (0.110", 2.80mm Width)
Supplier Device Package:SM8
Base Product Number:TXS0102
Automatic Bidirectional Translation: Integrated automatic direction sensing circuitry eliminates the need for an extra direction control pin, simplifying system design and software control.
Wide Voltage Range Support: Port A supports low-voltage logic from 1.65V to 3.6V, while Port B supports higher voltage logic from 2.3V to 5.5V, covering common voltage nodes.
High Data Rate: Supports data transmission up to 24 Mbps in Push-Pull mode, meeting the requirements of most high-speed serial communications.
Open-Drain and Push-Pull Support: Can seamlessly interface with both open-drain (e.g., I²C) and push-pull output signals (e.g., GPIO, UART).
Low Static Power Consumption: Enters a low-power state when the bus is idle.
Integrated Strong Pull-Up Resistors: Internal pull-up resistors on ports reduce external component count, saving PCB space and BOM cost.
ESD Protection: Provides robust ESD protection, enhancing system reliability in harsh environments.
Microprocessor-to-Peripheral Interfaces: Connecting 1.8V/3.3V microcontrollers to 5V sensors, memories, display modules, etc.
I²C / SMBus Level Translation: Provides an ideal bidirectional level-shifting solution for I²C buses in multi-voltage systems.
General-Purpose GPIO/UART/SPI Signal Translation: Used for communication interfaces between the main processor and peripheral chips in mobile phones, tablets, and IoT devices.
Embedded Systems & Modular Design: Enables flexible voltage adaptation in industrial control boards, communication modules, and compute modules.
Consumer Electronics & Battery-Powered Devices: Manages voltage compatibility between core chipsets and peripheral I/Os in portable devices.
The TXS0102DCTR is a highly integrated, easy-to-use bidirectional automatic level translator. Its innovative auto-direction sensing feature removes the most complex direction control requirement found in traditional level-shifting schemes. Combined with wide voltage support, high data rates, and low power consumption, it has become an indispensable bridging device in mixed-voltage digital system design. Whether used for simple I²C buses or high-speed general-purpose IOs, it provides a reliable and efficient level translation solution, significantly enhancing design flexibility and system reliability.
Industry Information