The INA226 Voltage Current Power Monitoring Module is a high-accuracy, I²C-based power sensing device designed for precise voltage, current, and power measurement in electronic systems. Featuring a 16-bit ADC resolution, it delivers detailed real-time monitoring with exceptional stability and 0.1% gain accuracy. The module supports both high-side and low-side current sensing, making it suitable for a wide variety of circuit designs. With an input voltage range of 0V to 36V and a common-mode rejection ratio of 126dB, it ensures accurate readings even in noisy environments. The INA226 also includes a programmable alert function for overcurrent and undervoltage conditions, providing additional safety and control. Perfect for battery management systems, IoT devices, robotics, and industrial automation, this module is a must-have for engineers and developers working on energy-efficient designs and power optimization projects. Featured By RoboticsBD.
Product Images are shown for illustrative purposes only and may differ from the actual product.
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Features:
High-Precision Monitoring: Measures voltage, current, and power with 0.1% accuracy.
16-Bit Resolution: Ensures highly accurate data for power and current calculations.
Wide Voltage Range: Monitors voltages up to 36V and supports 3.3V–5.5V operation.
High-Side & Low-Side Sensing: Offers flexible configuration options for current measurement.
I²C Interface: Communicates easily with microcontrollers such as Arduino and Raspberry Pi.
Ultra-Low Offset Voltage: 10µV maximum for sensitive current detection.
Programmable Alerts: Adjustable threshold alerts for overcurrent, overvoltage, or undervoltage events.
Low Power Operation: Suitable for portable and battery-powered applications.
Wide Temperature Range: Operates from -40°C to +125°C, ideal for industrial environments.
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Applications:
Battery Management Systems: Accurately track voltage and current in power banks and EV systems.
IoT Devices: Optimize power consumption and monitor energy usage in connected systems.
Industrial Equipment: Monitor power draw and performance in automation and machinery.
Energy Efficiency Projects: Measure power usage to improve energy conservation in homes or factories.
Robotics: Track and regulate power consumption in motors and controllers.
Overcurrent Protection: Implement automatic cutoff or alert systems in electronic circuits.
Educational & Research Projects: Ideal for electronic diagnostics and circuit performance analysis.
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| General Specifications |
| Sensor Model | INA226 |
| Operating Voltage | 3.3V – 5.5V |
| Common Mode Voltage | 0V – 36V (max) |
| ADC Resolution | 16-bit |
| Input Offset Voltage | 10µV (max) |
| Offset Drift | 0.02µV/°C (typical) |
| Common Mode Rejection Ratio (CMRR) | 126dB (min) |
| Bandwidth | 7kHz |
| Communication Interface | I²C (Address: 0x40–0x47) |
| I²C Clock Speed | 400kHz (max) |
| Special Functions | Alert Function, Bi-Directional Current Sensing |
| Power Consumption | Low Power Operation |
| Operating Temperature | -40°C to +125°C |
| Module Dimensions | Approx. 25mm × 15mm × 8mm |
| Shipment Weight | 0.012 kg |
| Shipment Dimensions | 3 × 2 × 1 cm |
Please allow 5% measuring deviation due to manual measurement.
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Documentation:
How to Use
Connect the INA226 Module to a Microcontroller
- VCC → 3.3V or 5V (power supply)
- GND → Ground
- SDA → I²C Data Pin on microcontroller
- SCL → I²C Clock Pin on microcontroller
- A0 & A1 → Address selection pins for multiple modules
- Alert → Interrupt pin for setting current or voltage threshold alerts
Install Required Libraries
- Use INA226 library in Arduino IDE or Python (for Raspberry Pi) to communicate with the module.
Read Data via I²C
- Obtain bus voltage, shunt voltage, current, and power readings through I²C communication.
Set Alerts for Overcurrent or Overvoltage
- Configure threshold alerts for protection against power surges.
Analyze and Optimize Power Consumption
- Monitor real-time power usage and optimize energy efficiency in circuits.
Package Includes:
1 x INA226 Voltage Current Power Monitoring Module
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