INA3221-Q1 - Texas Instruments

INA3221-Q1 Current and Voltage Monitor

The INA3221-Q1 is a three-channel, high-side current and bus voltage monitor with an I2C- and SMBUScompatible interface. The INA3221-Q1 monitors both shunt voltage drops and bus supply voltages, in addition to having programmable conversion times and averaging modes for these signals. The INA3221-Q1 offers both critical and warning alerts to detect multiple .

Features

•1 Qualified for Automotive Applications
• AEC-Q100 Qualified With the Following Results:
  – Device Temperature Grade 1:
  –40°C to 125°C
  – Device HBM ESD Classification Level 2
  – Device CDM ESD Classification Level C6
• 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 2 Applications
• Infotainment
• Rear-Seat Entertainment
• Digital Clusters
• Electronic Contro.