INA220-Q1 - AEC-Q100, 26V, Bi-Directional, Low-/High-Side, I2C Out Current/Power Monitor

The INA220-Q1 device is a current shunt and power monitor with an I²C- or SMBUS-compatible interface. The INA220-Q1 device monitors both shunt drop and supply voltage. A programmable calibration value, combined with an internal multiplier, enables direct readouts in amperes. An additional multiplying register calculates power in watts. The I²C- or SMBUS-compatible interface features 16 programmable addresses. The separate shunt input on the INA220-Q1 device allows it to be used in systems with low-side sensing.

The INA220-Q1 device senses across shunts on buses that can vary from 0 to 26 V, useful for low-side sensing or CPU power supplies. The device uses a single 3- to 5.5-V supply, drawing a maximum of 1 mA of supply current. The INA220-Q1 device operates from –40°C to +125°C.

• Qualified for Automotive Applications
• AEC-Q100 Qualified with the following results:
  • Device Temperature Grade 1: –40°C to +125°C
    Ambient Operating Temperature Range
  • Device HBM ESD Classification Level H2
  • Device CDM ESD Classification Level C3B
• High- or Low-Side Sensing
• Senses Bus Voltages from 0 V to 26 V
• Reports Current, Voltage, and Power
• 16 Programmable Addresses
• High Accuracy: 0.5% (Maximum) Over
  Temperature
• User-Programmable Calibration
• Fast (2.56-MHz) I²C- or SMBUS-Compatible
  Interface
• VSSOP-10 Package