Comparison page

INA219 vs ACS712

Side-by-side selection notes for specs, ecosystem readiness, known issues, and data confidence. This page is generated from structured component fields instead of a hand-written article.

INA219

Projects needing Current and Voltage with a commonly available sensors part.

ACS712

Projects needing Current and Hall effect with a commonly available sensors part.

Specification Matrix

DimensionINA219 ACS712

CategorySensorsSensors

MakerTexas InstrumentsAllegro MicroSystems

CoreNot specifiedNot specified

ClockNot specifiedNot specified

WirelessNot specifiedNot specified

Voltage3.3V3.3V

LibrariesArduino, MicroPythonArduino

Price$1.50 - $4.00$1.00 - $3.00

Known Tradeoffs

INA219

Breakout boards may use different pin labels or regulator choices
Clone modules can differ from the original datasheet part

ACS712

Breakout boards may use different pin labels or regulator choices
Clone modules can differ from the original datasheet part

Open Individual Model Pages

INA219

Texas Instruments

I2C current and bus voltage monitor widely used for power measurement modules.

China-madeSensors86% confidence

ACS712

Allegro MicroSystems

Hall-effect current sensor module used for AC/DC current measurement projects.

China-madeSensors76% confidence