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TXB0106PWR

TITXB0106PWR

Texas Instruments
Same 6-bit auto-direction translator available with TI package orderable code.
Active13,286 in stock

Overview

The TXB0106PWR is a 6-bit bidirectional voltage level translator with auto-direction sensing, designed to bridge mismatched logic levels across multiple power domains. It supports data rates up to 100Mbps and features Vcc isolation, ensuring that if either supply is at ground, all outputs enter a high-impedance state.

Why Choose This Part

This device eliminates the need for a direction-control signal, reducing pin count on the host controller and simplifying firmware. It includes robust ESD protection and support for partial-power-down mode via Ioff circuitry, which prevents damaging backflow current when the device is powered down.

Applications

Microcontroller Interfacing
Connecting low-voltage processors (1.2V to 3.6V) to peripherals operating at higher logic levels (up to 5.5V).
Legacy Peripheral Integration
Enabling modern low-power SOCs to communicate with 5V sensors or legacy I/O devices.
I2C Level Shifting
Translating multi-channel logic signals in mixed-signal environments where VCCA and VCCB differ.

Key Specifications

Features Auto-Direction Sensing
Data Rate 100Mbps
Output Type Tri-State, Non-Inverted
Channel Type Bidirectional
Mounting Type Surface Mount
Package / Case 16-TSSOP (0.173", 4.40mm Width)
Voltage - VCCA 1.2 V ~ 3.6 V
Voltage - VCCB 1.65 V ~ 5.5 V
Translator Type Voltage Level
Number of Circuits 1
Channels per Circuit 6
Operating Temperature -40degC ~ 85degC (TA)
Supplier Device Package 16-TSSOP

Getting Started

For prototyping, engineers often use the TXB0106 breakout board or the TXB0104EVM for similar 4-channel evaluation. Ensure the output load is kept below the 20mA limit and use short traces to minimize capacitive loading, which can interfere with the auto-direction sensing mechanism.

TXB0106 Family

Part NumberDifferenceStock
TXB0106QWBQBRQ1 QWBQBRQ1 2,384

Also Consider

TXS0108EPWR TITexas Instruments - Features open-drain architecture better suited for I2C and SMBus applications requiring pull-up resistors.
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