Texas Instruments INA260 Voltage/Current/Power (I2C)

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File:TArduinoTexasInstrumentsINA260.png

Summary

Texas Instruments INA260 current, voltage, and power monitor with I²C interface and integrated shunt resistor for precise power measurements.

Description

The **INA260 Power Monitor** integrates a precision shunt resistor to measure current, voltage, and power without external components. It provides high accuracy measurements with alert functionality and communicates via I²C interface. The device features programmable conversion times, averaging modes, and configurable alert limits for various measurement applications.

Diagram:

Properties

  • Enabled – Enables or disables the monitor (Default: True).
  • Address – I²C device address (Default: $40).
  • Name – Component identifier name.
  • Conversion Time – ADC conversion time settings group:
    • Bus uS – Bus voltage conversion time in microseconds (Default: 1100).
    • Shunt uS – Shunt voltage conversion time in microseconds (Default: 1100).
  • Averaging – Measurement averaging mode setting (Default: 1).
  • Power Down – Controls power down mode (Default: False).
  • Single Shot – Enables single-shot measurement mode (Default: False).
  • Alerts – Alert configuration group:
    • Data Ready – Data ready alert enable (Default: False).
    • Inverted – Alert signal inversion (Default: False).
    • Latch – Alert latching enable (Default: False).
  • Limit – Measurement limit configuration group:
    • Bus Voltage Above – Upper bus voltage limit enable (Default: False).
    • Bus Voltage Below – Lower bus voltage limit enable (Default: False).
    • Current Above – Upper current limit enable (Default: False).
    • Current Below – Lower current limit enable (Default: False).
    • Power Above – Upper power limit enable (Default: False).
    • Value – Limit threshold value in V/A/W (Default: 0).

Pins

Input Pins

  • Clock – Monitor clock input.
  • Reset – Reset signal input.

Output Pins

  • Power (analog) – Power measurement output in milliwatts.
  • Bus Voltage (analog) – Bus voltage measurement in volts.
  • Current (analog) – Current measurement output in milliamps.
  • Alerts: Limit Out (digital) – Limit detection output.
  • Alerts: Overflow (digital) – Measurement overflow indication.
  • Control (i2c) – I²C communication interface.

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