I2C Bi-Directional Logic Level Converter

Specifications:

Input Voltage Levels: 1.8V to 5.5V
Output Voltage Levels: Supports a range of voltages, up to 5V
Number of Channels: available in 4-channel configurations
Communication Protocol: I2C (TWI)
Bi-Directional Support: Allows signals to pass in both directions

Special Features:

Level Shifting: Enables safe communication between different voltage devices without damaging them.
Easy to Use: Simple plug-and-play design for quick integration into projects.
Compact Size: Small footprint makes it suitable for breadboard and PCB applications.
No External Components Required: Built-in pull-up resistors in many designs simplify connections.

Original price was: ৳ 100.00.Current price is: ৳ 65.00.

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Specification

Overview

Wiring Connections:

High Voltage Side (HV): Connect to the device operating at a higher voltage (e.g., 5V).
Low Voltage Side (LV): Connect to the device operating at a lower voltage (e.g., 3.3V).
I2C Lines:
- SDA (Data Line): Connect the I2C data line from the HV side and LV side.
- SCL (Clock Line): Connect the I2C clock line similarly.
Ground Connections: Ensure both sides share a common ground for proper operation.

Power:

Operating Voltage Range: Compatible with voltage levels from 1.8V to 5.5V.
Current Capacity: Handles standard I2C current levels; , up to 3.0 mA.

Input and Output:

Input: Accepts I2C signals from both high and low voltage devices.
Output: Provides translated I2C signals to the corresponding voltage levels.

Physical Characteristics:

Package Type: Often found in a small form factor suitable for breadboarding and PCB mounting.
Dimensions: Varies by manufacturer but compact to fit easily in projects.

Technical Specifications:

Data Rate: Supports standard I2C speeds (up to 400 kHz for Fast Mode).
Signal Integrity: Maintains signal integrity during level conversion, minimizing data loss.

Additional Features:

Wide Compatibility: Works with various devices like microcontrollers, sensors, and displays that utilize I2C communication.
Multiple Channels: Some versions provide multiple channels for simultaneous conversions, making it versatile for complex applications.

How to Use:

Wiring Setup:
- Connect the high voltage (HV) side to the 5V device and the low voltage (LV) side to the 3.3V device.
- Connect SDA and SCL lines to their respective HV and LV sides.
- Ensure all devices share a common ground.
Testing:
- Power the devices on and ensure that the level converter is connected properly.
- Use an I2C scanner script on your microcontroller to detect devices connected to the I2C bus.
Monitoring Communication:
- Check communication between devices to confirm that data is being transmitted correctly without voltage level issues.
Troubleshooting:
- If devices fail to communicate, ensure all connections are secure and that both devices are powered correctly.

Applications:

Microcontroller Interfacing: Connect 3.3V microcontrollers (like ESP8266) to 5V sensors or peripherals.
Sensor Integration: Use with various I2C sensors that operate at different voltage levels.
Display Modules: Connect displays that require a specific voltage to different logic-level microcontrollers.
Robotics Projects: Facilitate communication between various components in robotic systems where mixed voltages are common.

The I2C Bi-Directional Logic Level Converter is an essential component for projects involving multiple devices with different voltage levels. Its ability to safely convert signals ensures seamless communication between components, making it invaluable in embedded systems, robotics, and various electronic applications. Whether you are a hobbyist or a professional, this converter provides a reliable solution for interfacing diverse electronics.