INA219 Bi-directional DC Current/Power Sensor Module I2C

SKU: 20-040


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INA219 High Side DC Current Sensor Breakout

This INA219 High Side DC Current Sensor Breakout board will solve all your power-monitoring problems. Instead of struggling with two millimeters, you can just use the handy INA219B chip on this breakout to measures both the high side voltage and DC current draw over I2C with 1% precision.

We include a 6-pin header (so you can easily attach this sensor to a breadboard) as well as a 3.5mm terminal plug so you can easily attach detach your load. Usage is simple. Power the sensor itself with 3 to 5VDC and connect the two I2C pins up to your microcontroller. Then connect your target power supply to VIN+ and the load to ground to VIN-.


  • 0.1 ohm 1% 2W current sense resistor
  • Up to +26V target voltage
  • Up to ±3.2A current measurement, with ±0.8mA resolution
  • This board/chip uses I2C 7-bit addresses 0x40, 0x41, 0x44, 0x45, selectable with jumpers


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