Adafruit INA219 High Side DC Current Sensor Breakout STEMMA QT

Name: Adafruit INA219 High Side DC Current Sensor Breakout STEMMA QT
Brand: Adafruit
SKU: 904

Availability

Out of stock

I2C high-side DC current and voltage monitor using the INA219 with a 0.1 Ω sense resistor, supporting up to 26 V and ±3.2 A. STEMMA QT/Qwiic connectors allow daisy-chaining.

Logical pinout · physical placement not verified

VCC
Breakout logic supply; Adafruit notes it can be powered from a 5V or 3V logic rail.
Type · PowerVoltage · 5V
GND
Ground reference shared with the controller and measured circuit.
Type · Ground
SDA
I2C data line.
Type · I2C
SCL
I2C clock line.
Type · I2C
VIN+
High-side shunt input terminal; connect in series with the load supply, not to an MCU GPIO.
Type · Signal
VIN-
Load-side shunt terminal; connect in series with the load supply, not to an MCU GPIO.
Type · Signal

Pin	Type	Function	Voltage
VCC	Power	Breakout logic supply; Adafruit notes it can be powered from a 5V or 3V logic rail.	5V
GND	Ground	Ground reference shared with the controller and measured circuit.
SDA	I2C	I2C data line.
SCL	I2C	I2C clock line.
VIN+	Signal	High-side shunt input terminal; connect in series with the load supply, not to an MCU GPIO.
VIN-	Signal	Load-side shunt terminal; connect in series with the load supply, not to an MCU GPIO.

Logical pinout · physical placement not verified

Pin details

6 connections

VCC
Breakout logic supply; Adafruit notes it can be powered from a 5V or 3V logic rail.
PowerVoltage · 5V
GND
Ground reference shared with the controller and measured circuit.
Ground
SDA
I2C data line.
I2C
SCL
I2C clock line.
I2C
VIN+
High-side shunt input terminal; connect in series with the load supply, not to an MCU GPIO.
Signal
VIN-
Load-side shunt terminal; connect in series with the load supply, not to an MCU GPIO.
Signal

Start wiring

I2C · Analog · 3.3 – 5 V · Breakout

Confirm the data interface matches your host board.

Module pins: VCC, GND, SDA, SCL. Schematik maps them to your board in the app.

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Pinout