EmbeddedRelated.com
The 2026 Embedded Online Conference
    Parts    INA220AIDGSR
INA220AIDGSR

TIINA220AIDGSR

Texas Instruments
Current Monitor Regulator High/Low-Side 10mA 10-VSSOP
Active6,584 in stock
Datasheet Digi-Key Compare Prices

Overview

The Texas Instruments INA220AIDGSR is a high/low-side current shunt and power monitor with an I2C/SMBus compatible interface. It is designed to measure current, bus voltage, and power for various embedded applications. This device offers a wide input voltage range from 0V to 26V, making it suitable for a variety of power monitoring needs.

Why Choose This Part

The INA220AIDGSR offers flexible high- or low-side current sensing, allowing for versatile system integration. Its I2C/SMBus interface simplifies communication with microcontrollers and enables 16 programmable addresses for multiple device instances. The user-programmable calibration and a typical accuracy of 0.5% enhance measurement precision across its 0V to 26V input range.

Applications

Servers and Telecom Equipment
Precisely monitors power consumption and current draw in server racks and telecommunications infrastructure to optimize efficiency and detect anomalies.
Notebook Computers
Manages and monitors battery health and power usage in laptops, extending battery life and ensuring stable operation.
Battery Chargers
Accurately measures charging and discharging currents and voltages to optimize battery charging cycles and protect against overcharge/discharge conditions.
Automotive Systems
Monitors current and power in various automotive subsystems, contributing to efficient power management and diagnostic capabilities.
Power Supplies
Provides real-time monitoring of output current, voltage, and power in power supply units to ensure stable operation and overload protection.

Key Specifications

Accuracy +/-1%
Function Current Monitor
Mounting Type Surface Mount
Package / Case 10-TFSOP, 10-MSOP (0.118", 3.00mm Width)
Sensing Method High/Low-Side
Voltage - Input 0V ~ 26V
Current - Output 10mA
Operating Temperature -40degC ~ 125degC
Supplier Device Package 10-VSSOP

Getting Started

To get started with the INA220AIDGSR, integrate it into your design using its I2C/SMBus interface. Texas Instruments provides detailed datasheets and application notes that include example circuits and programming guidance. Software libraries for various microcontrollers are often available, simplifying data acquisition from the device's registers.

Also Consider

INA226AIDGSR TITexas Instruments - This device offers higher accuracy with an internal 16-bit ADC and is a direct upgrade for applications requiring more precise measurements.
INA219BIDR TITexas Instruments - A cost-effective alternative with similar functionality, offering current, voltage, and power monitoring via I2C/SMBus.
The 2026 Embedded Online Conference