INA226 Current Sensor
The INA226 is a versatile current and power monitor that interfaces easily with I²C- or SMBUS-compatible devices. It’s widely used in applications that demand high precision, such as servers, telecom equipment, and various industrial systems. The INA226 excels at measuring both the differential voltage across a shunt resistor and the bus voltage, allowing it to accurately calculate current and power.
Key Features:
- Supply Voltage: The device operates on a supply voltage ranging from 2.7V to 5.5V.
- Measurement Capabilities: It can measure differential voltage and bus voltage and use these readings to calculate current and power.
- Accuracy: With a built-in 16-bit ADC, it offers high measurement accuracy.
- Programmable Alerts: The device allows you to set custom alert limits for conditions like overcurrent, undercurrent, overvoltage, and undervoltage.
- I²C Interface: It supports I²C communication speeds up to 1 MHz.
- Operating Temperature Range: The INA226 is designed to work in environments with temperatures ranging from -40°C to 125°C.
Common Applications:
- Power management in various systems.
- Battery charging and management.
- Solar inverters.
- DC-DC converters.
- Motor control applications.
Practical Example:
In a power supply system, the INA226 can be invaluable for monitoring current and power consumption. It helps ensure the system operates efficiently and provides protection against overcurrent scenarios.