INA3221 - 26V, Triple, Bi-Directional, Low-/High-Side, I2C Out Current/Voltage Monitor w/Alerts

Updated : 2020-01-09 14:22:50
Description

The INA3221 is a three-channel, high-side current and bus voltage monitor with an I2C- and SMBUS-compatible interface. The INA3221 monitors both shunt voltage drops and bus supply voltages, in addition to having programmable conversion times and averaging modes for these signals. The INA3221 offers both critical and warning alerts to detect multiple programmable out-of-range conditions for each channel.

The INA3221 senses current on buses that can vary from 0 V to 26 V. The device is powered from a single 2.7-V to 5.5-V supply, and draws 350 µA (typ) of supply current. The INA3221 is specified over the operating temperature range of –40°C to +125°C. The I2C- and SMBUS-compatible interface features four programmable addresses.

Products containing the "INA3221" keyword are: INA3221 , INA3221AIRGVR , INA3221AIRGVR , INA3221AIRGVR/HPA01113AI , INA3221AIRGVT , INA3221AIRGVT , INA3221AQRGVRQ1 , INA3221EVM , INA3221EVM
Features

  • Senses Bus Voltages From 0 V to 26 V
  • Reports Shunt and Bus Voltage
  • High Accuracy:
    • Offset Voltage: ±80 µV (max)
    • Gain Error: 0.25% (max)
  • Configurable Averaging Options
  • Four Programmable Addresses
  • Programmable Alert and Warning Outputs
  • Power-Supply Operation: 2.7 V to 5.5 V

Parametrics
StatusACTIVE
SubFamilyCurrent/voltage/power monitors
Common mode voltage26
RatingCatalog
FeaturesAlert Function^Bi-directional^Low-side Capable
Supply Voltage2.7
Input offset (+/-)80
Input offset drift (+/-)0.1
Gain1
Gain error0.25
CMRR110
Bandwidth3.5
Iq0.35
Approx. price1.50 | 1ku
Operating temperature range-40 to 125
Package GroupVQFN|16
Package size: mm2:W x L (PKG)[pf]16VQFN[/pf]: 16 mm2: 4 x 4 (VQFN|16)
Similar products