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TXS0102 2-Channel Bi-Directional Logic Level Shifter I2C IIC

$0.71

SKU: FA2011-0-1 Category:

Description

The TXS0102 2-Channel Bi-Directional Logic Level Shifter is a high-performance voltage translator designed specifically for modern digital interfaces. It provides a safe, seamless bridge for communication between components operating at different voltage rails, such as connecting a 1.8V sensor to a 3.3V microcontroller or a 3.3V controller to a 5V system.

Product Description
The TXS0102 is an advanced voltage-level translator that utilizes a specialized pass-gate architecture to enable true bidirectional communication without the need for a direction-control signal. This makes it exceptionally well-suited for open-drain applications like I2C (IIC) and SMBus, as well as push-pull applications.
Unlike simpler MOSFET-based shifters, the TXS0102 features integrated edge-rate accelerators that improve the rise times of signals, allowing for higher data rates across the voltage barrier.  Its tiny footprint and high efficiency make it a favorite for both compact DIY wearable electronics and professional industrial PCB designs.
Features
  • True Bidirectional Translation: No direction-control pin required; the device automatically senses and adapts to data flow.
  • Optimized for I2C: Specifically designed to handle the pull-up requirements and timing of I2C/IIC and SMBus protocols.
  • High Data Rates: Supports up to 24 Mbps in push-pull applications and 2 Mbps in open-drain setups.
  • Edge-Rate Accelerators: Integrated circuitry improves signal integrity by sharpening digital transitions.
  • Partial Power-Down Support: Features

    IOFFcap I sub cap O cap F cap F end-sub

    𝐼𝑂𝐹𝐹

    circuitry that isolates the bus when the device is powered down, preventing backflow current.

  • Breadboard Friendly: Typically comes on a breakout board with standard 2.54mm (0.1″) pin spacing

Additional information

Logic Type

Voltage Level Translator / Shifter
Number of Channels

2 Independent Channels
Voltage Rail A (\(V_{CCA}\))

1.65V to 3.6V
Voltage Rail B (\(V_{CCB}\))

2.3V to 5.5V
Condition

\(V_{CCA}\) must be less than or equal to \(V_{CCB}\)
Max Data Rate (Push-Pull)

24 Mbps
Max Data Rate (Open-Drain)

2 Mbps
ESD Protection

$\pm$2-kV Human-Body Model (HBM)
Package/Form Factor

Breakout PCB / SOT-23 or VSSOP Internal Chip

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