CJMCU-219 INA219 I2C Interface No Drift Bi-directional Current / Power Supply Monitoring Module
Description:
CJMCU-219 is a breakout module based on the INA219 chip by Texas Instruments, designed for high-side current, voltage, and power monitoring in electronic circuits. With its I2C interface and bi-directional current sensing capabilities, this module is ideal for battery-powered projects, power management systems, and embedded applications where accurate energy monitoring is essential.
Features:
1. High-Side Current Sensing
2. Bi-directional Current Measurement
3. I2C Digital Interface
4. No Drift & High Accuracy
5. Power Monitoring
6. Wide Voltage and Current Range
Diagram:
Specifications:
| Chipset | INA219 |
| Operating Voltage (VCC) | 3.0V – 5.5V |
| Bus Voltage Range | 0V – 26V |
| Current Measurement Range | ±3.2A |
| Power Measurement Range | Up to ~85W |
| Communication Interface | I2C |
| Resolution | 12-bit ADC |
| Shunt Resistor | 0.1Ω |
| Dimensions | ~25mm x 15mm x 3mm |
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