I2C Bi-Directional Logic Level Converter

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SKU: 25671398
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Channels: 2-Way / 2-Channel
Color: Blue
Sale price₹ 19.00 Regular price₹ 25.00
( ₹ 16.10 without 18% GST.)

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I2C BSS138 Bi-directional Logic Level Converter

The I2C Bi-Directional Logic Level Converter is an essential component for interfacing devices that operate at different logic levels. This converter seamlessly translates the voltage levels between high and low logic, allowing for safe and efficient communication between devices such as microcontrollers, sensors, and modules operating at different voltages. Ideal for I2C communications, it can also be used for other two-way communication protocols.

The I2C Bi-Directional Logic Level Converter comes in various channel configurations, including 2-channel, 4-channel, and 8-channel modules, catering to different project needs.

Module Variants

  1. 2-Channel I2C Bi-Directional Logic Level Converter

    This compact module features two channels, suitable for small-scale projects requiring minimal logic level translation. It's ideal for basic sensor integration or microcontroller communication.

  2. 4-Channel I2C Bi-Directional Logic Level Converter

    With four channels, this module is perfect for medium-sized projects. It can handle multiple I2C devices or other communication lines, providing flexibility and reliability.

  3. 8-Channel I2C Bi-Directional Logic Level Converter

    The 8-channel version is designed for more complex applications where numerous devices need to communicate at different voltage levels. This module ensures efficient and organized connections in advanced projects.

Technical Specifications

General Specifications for All Modules:

  • Operating Voltage Range:
    • High Voltage (HV) Side: 1.8V to 6V
    • Low Voltage (LV) Side: 1.2V to 3.6V
  • Communication Protocols Supported: I2C, UART, SPI, and other bi-directional digital communication protocols
  • Current Consumption: Low quiescent current, typically in microamperes range
  • Temperature Range: -40°C to 85°C (industrial grade)


  • Bi-Directional: Allows for two-way communication on all channels
  • Compact Design: Fits easily into any project, regardless of size
  • Wide Compatibility: Supports a broad range of voltage levels, making it versatile for various applications
  • Easy Integration: Simple pin connections ensure hassle-free setup
  • High-Speed Performance: Maintains signal integrity and speed for fast data transmission
  • Robust Construction: Designed to withstand environmental variations and provide stable performance


  • Microcontroller Interfacing: Connect microcontrollers operating at different voltage levels
  • Sensor Integration: Interface with sensors that have different operating voltages
  • Communication Protocol Translation: Facilitate communication between devices using I2C, UART, or SPI
  • DIY Electronics Projects: Ideal for hobbyists and makers building multi-voltage systems

The I2C Bi-Directional Logic Level Converter is an indispensable tool for modern electronics projects, ensuring reliable and efficient voltage level translation across a variety of devices and applications.

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