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INA219AIDCNR

TIINA219AIDCNR

Texas Instruments
Current Monitor Regulator High-Side 10mA SOT-23-8
Active2,253 in stock
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Overview

The INA219AIDCNR is a high-side current and power monitor with an I2C/SMBus compatible interface. It features a 12-bit ADC for precise measurements of shunt voltage and bus voltage, enabling calculation of current and power. Its wide input voltage range of 0V to 26V makes it suitable for various battery and power monitoring applications.

Why Choose This Part

This device offers a high accuracy of 0.5% for current measurement, providing reliable data for critical power management. Its I2C/SMBus interface with 16 programmable addresses simplifies integration into various digital control systems. The power-down mode with a sleep current of 6 uA helps optimize power consumption in battery-operated applications.

Applications

Battery Powered Devices
Monitors current draw and power consumption in portable electronics, ensuring efficient power usage and extending battery life.
Server and Telecom Equipment
Provides accurate current and power monitoring for system health, fault detection, and power management in high-reliability environments.
Power Management Systems
Used in power supplies and power distribution units to track power usage of different loads, enabling optimized resource allocation.
Motor Control Systems
Measures motor current to detect overloads, stalls, or abnormal operation, improving system reliability and safety.
Solar Inverters
Monitors current and power generated by solar panels and consumed by loads, contributing to efficient energy harvesting and management.

Key Specifications

Accuracy +/-1%
Function Current Monitor
Mounting Type Surface Mount
Package / Case SOT-23-8
Sensing Method High-Side
Voltage - Input 0V ~ 26V
Current - Output 10mA
Operating Temperature -40degC ~ 125degC
Supplier Device Package SOT-23-8

Getting Started

To get started with the INA219AIDCNR, engineers can utilize evaluation modules available from Texas Instruments. Communication is established via the I2C or SMBus interface, allowing direct integration with microcontrollers. Example code and libraries are widely available for popular development platforms like Arduino and Raspberry Pi.

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