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INA219BIDR

TIINA219BIDR

Texas Instruments
Current Sense Amplifiers 0-Drift Bi-dir Curre nt/Pwr Mon A 595-IN A 595-INA219BID
NRND24,044 in stock

Overview

The Texas Instruments INA219BIDR is a high-side current shunt and power monitor with an I2C-compatible interface. It can monitor bus voltages from 0V to 26V and provides a 12-bit ADC for precise measurements. The device is designed for various power management applications where accurate current and power data are essential.

Why Choose This Part

The INA219BIDR offers high-side current sensing, eliminating the need for a separate differential amplifier and simplifying circuit design. Its I2C interface allows for easy integration with microcontrollers, providing digital access to current, voltage, and power data. With an accuracy of +/-0.5% and a wide input voltage range of 0V to 26V, it is suitable for diverse applications.

Applications

Servers
Monitoring power consumption and current draw of various sub-systems within server infrastructure for efficiency and fault detection.
Telecom Equipment
Supervising current flow in telecommunication hardware to ensure stable operation and prevent overcurrent conditions.
Notebook Computers
Measuring battery discharge rates and power usage of internal components to optimize battery life and system performance.
Power Management
Implementing real-time current and power sensing in general power management units to control and optimize energy distribution.

Key Specifications

Accuracy +/-0.5%
Function Current Monitor
Mounting Type Surface Mount
Package / Case 8-SOIC (0.154", 3.90mm Width)
Sensing Method High-Side
Voltage - Input 0V ~ 26V
Current - Output 10mA
Operating Temperature -40degC ~ 125degC
Supplier Device Package 8-SOIC

Getting Started

To get started with the INA219BIDR, connect it to your microcontroller's I2C bus. Many development boards, including those from Arduino and Raspberry Pi ecosystems, have libraries available for easy communication. Refer to the Texas Instruments datasheet for detailed register descriptions and example configurations for various measurement ranges.

INA219 Family

Comparing specs that differ across variants. The current part is highlighted.

Part Number Accuracy Stock
INA219BIDR (this part) +/-0.5% 24,044
INA219AIDR +/-1% 12,449
INA219EVM 6
Also available as: INA219
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