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INA219 Current Sensor

★★★★★

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₹179

₹236

24% off

The INA219 Sensor Module is a zero-drift, bidirectional power monitor designed to solve complex energy-tracking challenges. Unlike basic analog sensors, the INA219 uses a digital I2C interface to report bus voltage, shunt voltage, current, and power directly to your microcontroller. This makes it a mechanical necessity for battery-powered IoT devices, solar charge controllers, and motor stall detection, where precision and minimal power loss are critical.

✓ In Stock (20 available)

▪Triple-Parameter Monitoring: This module is a mechanical necessity because it calculates Current (A), Voltage (V), and Power (W) internally, offloading complex math from your main processor and simplifying your code.

▪High-Side Sensing Advantage: Unlike low-side sensors that can disrupt ground references, the INA219 performs high-side sensing, keeping your load's ground connected to the system ground for a cleaner, safer circuit design.

▪Superior Noise Filtering: With programmable conversion times and the ability to average up to 128 samples, this sensor provides stable readings even in electrically noisy environments like those near DC motors or switching power supplies.

▪Ultra-Low Power Footprint: Drawing only 1mA during operation and featuring a low-power shutdown mode, it is the ideal component for long-term battery capacity logging and portable electronics.

▪Scalable Multi-Sensor Bus: Use the onboard address jumpers to connect up to 16 INA219 modules to a single I2C bus, perfect for monitoring multiple battery cells or complex multi-rail power systems.

Bus Voltage Range

0V to 26V DC.

Current Sensing Range

±3.2A (with ±0.8mA resolution).

Communication Protocol

I2C / SMBus (Up to 3.4MHz high-speed mode).

ADC Resolution

12-bit (Internal 16-sample averaging for noise filtering).

Supply Voltage

3.0V to 5.5V (Compatible with 3.3V and 5V logic).

Shunt Resistor

0.1 ohm, 1% 2W high-precision resistor.

Programmable Addresses

16 unique I2C addresses (via A0/A1 solder jumpers).

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