INA219 I2C BI-DIRECTIONAL HIGH SIDE DC CURRENT / POWER MONITOR SENSOR

The CJMCU-219 module, powered by the INA219 chip, is a high-precision, bi-directional current/power monitor for various power management applications. It provides accurate current, voltage, and power measurements through an I2C interface, making it ideal for battery management, power optimization, and energy measurement in devices and IoT systems.

Key Features of CJMCU-219 INA219 Module:

• • High Accuracy: Measures current, voltage, and power with precision due to its integrated 12-bit ADC.
  • Bi-directional Sensing: Capable of sensing current in both directions, perfect for charge/discharge cycles.
  • I2C Interface: Uses I2C communication for easy integration with microcontrollers and single-board computers.
  • Wide Voltage Range: Measures up to 26V, ideal for monitoring batteries, power supplies, and other devices.
  • Low Power Consumption: Suitable for battery-powered applications.

Technical Specifications of CJMCU-219 INA219 Module:

• • Operating Voltage: 3.0V to 5.5V
  • Measurement Range: 0V to 26V
  • Current Sensing Range: ±3.2A (adjustable with external shunt resistor)
  • Resolution: 12-bit ADC
  • Communication Interface: I2C
  • Power Consumption: Low power, ideal for battery applications

Schematic Diagram, Connection, Wiring, and Pinout of CJMCU-219 INA219 Module:

• Schematic Diagram: Shows the INA219 sensor connected to an external load and powered by a DC power source. The sensor measures the current flow through the shunt resistor to detect power consumption.
• Connection: Connect the power source through the VIN+ and VIN- pins, and wire the SCL and SDA pins to the corresponding I2C pins on the microcontroller.
• Pinout:
  • VIN+: Positive voltage input for current sensing
  • VIN-: Negative voltage input for current sensing
  • SDA: I2C data line
  • SCL: I2C clock line
  • GND: Ground connection

Applications of CJMCU-219 INA219 Module:

• • Battery Management Systems: Used to monitor battery charging/discharging cycles in electric vehicles and portable devices.
  • Power Supply Monitoring: Ideal for detecting power usage and optimizing energy in IoT and embedded systems.
  • Smart Energy Systems: Measures current consumption in home automation devices and renewable energy setups.
  • Industrial Automation: Used in applications needing real-time power consumption feedback for energy-efficient systems.

Equivalent Models of CJMCU-219 INA219 Module:

• • INA226: An alternative model offering similar current/power monitoring functionality with enhanced resolution and features.
  • INA3221: A multi-channel current sensor for simultaneous power monitoring of up to three channels.

Keywords for CJMCU-219 INA219 Module:

• • INA219 Power Monitor
  • Bi-directional Current Sensor
  • I2C Power Measurement Module
  • Battery Current Monitor
  • CJMCU-219 Current Module

Package Includes:

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