Official 7Semi BSS138 4-Ch I2C Bi-directional Logic Level Converter Breakout
Original price was: ₹99.00.₹23.73Current price is: ₹23.73. (Excl. 18% GST)
Price (Excl. GST): ₹23.73
Price (Incl. GST): ₹28.00
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4-Channel Bi-Directional Logic Level Converter
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Supports 1.8V to 10V Logic Levels
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BSS138 N-Channel MOSFET Based Design
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Optimized for I2C Communication
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Supports TTL Serial & Slow SPI (<2MHz)
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Onboard 10K Pull-Up Resistors
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Fully Assembled & Pre-Tested PCB
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6-Pin Headers for Easy Integration
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Breadboard & Perfboard Friendly
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Compatible with Arduino, Raspberry Pi & ESP32
4 in stock
34 in stock
5 in stock
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The 7Semi BSS138 4-Channel I2C Bi-Directional Logic Level Converter Breakout is a compact and reliable solution for safely interfacing electronic devices that operate at different logic voltage levels. Designed to support voltage translation from 1.8V up to 10V, this module is ideal for modern mixed-voltage embedded systems where 3.3V and 5V devices must communicate seamlessly.
At the heart of the board are BSS138 N-channel MOSFETs, a proven and widely adopted design for bidirectional level shifting, particularly for open-drain and open-collector interfaces. Each channel is paired with 10K pull-up resistors, ensuring stable signal transitions and reliable data communication without the need for additional external components.
This level converter is specifically optimized for I2C communication, making it perfect for connecting sensors, displays, and peripherals that operate at different logic levels. In addition to I2C, it also supports TTL serial communication and slow SPI interfaces (below 2 MHz), adding flexibility across a wide range of applications.
The breakout board comes fully assembled and pre-tested, allowing developers to integrate it quickly into their projects with confidence. 6-pin header connections provide easy access to both high-voltage and low-voltage sides, making the module breadboard- and perfboard-friendly for rapid prototyping and development.
With its small footprint, low cost, and dependable performance, the 7Semi BSS138 Logic Level Converter is an essential tool for Arduino, Raspberry Pi, ESP32, STM32, and other microcontroller-based projects. It is well-suited for applications such as sensor interfacing, display modules, communication buses, DIY electronics, robotics, and embedded system development where voltage compatibility is critical.
Features
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I2C-Safe Design: Provides secure communication in I2C applications, supporting bidirectional data flow.
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Wide Voltage Range: Works efficiently with voltage levels as low as 1.8V on the low side and up to 10V on the high side.
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Versatile Applications: Not limited to I2C, this converter works with TTL Serial and slow SPI (<2MHz) interfaces.
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Fully Assembled PCB: No assembly required; includes 6-pin headers for easy integration into breadboards or perfboards.
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Optimized for Logic Conversion: Best suited for logic level conversion, not for driving high-side loads.
Package Includes
- 1x Official 7Semi BSS138 4-Ch I2C Bi-directional Logic Level Converter Breakout
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