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INA220 - Bidirectional Current and Power Monitor

General Description

The INA220 is a current shunt and power monitor with an I2C- or SMBUS-compatible interface.

The INA220 monitors both shunt drop and supply voltage.

A programmable calibration value, combined with an internal multiplier, enables direct readouts in amperes.

Key Features

  • 1 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 (INA220B).
  • User-Programmable Calibration.
  • Fast (2.56-MHz) I2C- or SMBUS-Compatible Interface.
  • VSSOP-10 Package 2.

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Other Datasheets by Texas Instruments

Part Number Description
INA220-Q1 I2C-Compatible Current/Power Monitor
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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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Product Folder Order Now Technical Documents Tools & Software Support & Community INA220 SBOS459E – JUNE 2009 – REVISED JANUARY 2016 INA220 High- or Low-Side, Bidirectional Current and Power Monitor With Two-Wire Interface 1 Features •1 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 (INA220B) • User-Programmable Calibration • Fast (2.56-MHz) I2C- or SMBUS-Compatible Interface • VSSOP-10 Package 2 Applications • Servers • Telecom Equipment • Notebook Computers • Power Management • Battery Chargers • Automotive • Power Supplies • Test Equipment 3 Description The INA220 is a current shunt and power monitor with an I2C- or SMBUS-compatible interface.