Adafruit INA3221 Triple Power Monitor STEMMA QT / Qwiic

Adafruit INA3221 Triple Power Monitor STEMMA QT / Qwiic — Adafruit — 6062
Availability
In stock

Three-channel INA3221 high/low-side power monitor breakout for measuring voltage and current on up to three rails over I2C. Includes STEMMA QT / Qwiic connectors and screw-terminal channel inputs.

Pinout

Logical pinout · physical placement not verified
ADAFRUIT INA3221 TRIPLVCCVIN3+VIN3-GNDWRNVPUCRISCLTCSDAVALIDSTEMMA QT connectorsAddr jumperVIN1+VIN1-LED jumperVIN2+VIN2-
  • VCC
    Type · Power
  • GND
    Type · Ground
  • VPU
    Type · Power
  • SCL
    Type · I2C
  • SDA
    Type · I2C
  • STEMMA QT connectors
    Type · I2C
  • VIN1+VIN1-
    Type · Power
  • VIN2+VIN2-
    Type · Power
  • VIN3+VIN3-
    Type · Power
  • WRN
    Type · GPIO
  • CRI
    Type · GPIO
  • TC
    Type · GPIO
  • VALID
    Type · GPIO
  • Addr jumper
    Type · Unknown
  • LED jumper
    Type · Unknown

Start wiring

I2C · Analog · 3.3 – 5 V · Breakout

Confirm the data interface matches your host board.

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

Power monitors

24 other options

INA-series I2C monitors, Hall-effect sensors like the ACS723 and Gravity 20A/50A boards, and non-invasive CT clamps for everything from 3.3V rail telemetry to mains current sensing.

View all 24

Related groups

4 groups