TIINA219BIDR
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
Key Specifications
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 |



