MCU-219 INA219 I2C Bi-directional Current/Power Monitoring Sensor Module

The CJMCU-219 is a high-precision current and power monitoring sensor module based on the INA219 chip. This module provides accurate measurements of both current and power consumption in a variety of electronic circuits. The INA219 chip integrates a precision current-sensing amplifier with an I2C interface, enabling easy integration with microcontrollers like Arduino, Raspberry Pi, and other development platforms. It is ideal for applications requiring precise current, voltage, and power monitoring, such as battery management, power optimization, and energy-efficient design.

Key Features:

• High Precision: The INA219 chip offers high-precision current sensing with a no-drift, bi-directional current/power monitoring capability, ensuring accurate measurements over a wide range of conditions.
• I2C Interface: Supports communication via the I2C interface, allowing easy integration with a variety of microcontrollers and simplifying the wiring process.
• Bi-Directional Current Measurement: Capable of measuring current in both directions, which is useful for applications involving charging and discharging cycles.
• Voltage and Power Monitoring: Measures both the shunt voltage (across the current-sense resistor) and the bus voltage (system voltage), allowing calculation of power consumption in real-time.
• Wide Operating Voltage: Operates over a wide voltage range, typically 3V to 5.5V, making it compatible with most microcontroller systems.
• Low Power Consumption: Designed for low power consumption, making it suitable for battery-powered applications.
• Compact Design: The small form factor of the module makes it easy to integrate into various projects without taking up much space.

Specifications:

• Operating Voltage: 3V to 5.5V DC
• Bus Voltage Range: 0V to 26V
• Current Sensing Range: Up to ±3.2A (depending on the value of the shunt resistor used)
• I2C Address: Configurable (default 0x40, but can be changed)
• I2C Data Rate: Up to 3.4 MHz (High-Speed Mode)
• Resolution: 12-bit ADC for current and voltage measurements
• Accuracy: ±0.5% (for current and voltage measurements)
• Power Consumption: Low power draw suitable for battery-powered applications
• Dimensions: Approximately 20mm x 15mm x 3mm

Applications:

• Battery Management Systems: Ideal for monitoring the charging and discharging cycles of batteries, ensuring safe and efficient power usage.
• Power Optimization: Useful in projects aimed at reducing power consumption by providing real-time data on current and power usage.
• Energy Monitoring: Can be used to monitor the power consumption of devices and systems, enabling better energy management and cost savings.
• Robotics: Suitable for monitoring the power usage of motors and other components in robotic systems.
• Solar Power Systems: Perfect for monitoring the current and power flow in solar power applications, ensuring optimal performance and efficiency.
• Embedded Systems: Provides a simple way to add current, voltage, and power monitoring to embedded systems and IoT devices.