Linux Driver for INA3221
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Description & Features

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The Linux driver supports the INA3221 Triple Current/Power Monitor. The Linux driver supports communication through the I2C bus and interfaces with the Hardware Monitoring sub-system.

Linux Mainline Status

Available in Linux Main line: Yes
Available through N/A

Supported Devices:
  • ina3221
Linux Source Files

The files associated with this device are:

  1. drivers/hwmon/ina3221.c
  2. Documentation/devicetree/bindings/hwmon/ina3221.txt
  3. Documentation/hwmon/ina3221
Source Files drivers/hwmon/ina3221.c
Linux Device Tree Documenation Documentation/devicetree/bindings/hwmon/ina3221.txt
Other Files Documentation/hwmon/ina3221


Enabling Driver Support

Configure kernel with "make menuconfig" (alternatively use "make xconfig" or "make nconfig")

Menuconfig Location

Symbol: SENSORS_INA3221 [=y]
Type  : tristate
Prompt: Texas Instruments INA3221 Triple Power Monitor
    -> Device Drivers
      -> Hardware Monitoring support (HWMON [=y])
  Defined at drivers/hwmon/Kconfig:1529
  Depends on: HWMON [=y] && I2C [=y]
  Selects: REGMAP_I2C [=y]

Fixes and Code Enhancements


TI Devices (2)

Part Number Name Product Family
INA3221  26V, triple channel, 13-bit, i2c output current/voltage monitor w/alerts   Current sense amplifiers 
INA3221-Q1  AEC-Q100, 26V, triple channel, 13-bit, i2c output current/voltage monitor w/alerts  Current sense amplifiers 

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