INA219BIDR

The INA219BIDR is a high-side current shunt monitor from Texas Instruments designed for power monitoring applications. It features an I²C interface, enabling easy communication with microcontrollers and other digital devices. The INA219 measures both the voltage across a shunt resistor and the bus voltage, allowing it to calculate power consumption by determining the current flowing through the shunt.
Key specifications include a wide operating voltage range (up to 26V) and a programmable gain amplifier that enhances measurement accuracy. The device boasts an internal ADC with 12-bit resolution, providing precise current and voltage readings. It can measure current in both directions, making it suitable for battery management and energy harvesting systems.
The INA219 is widely utilized in applications such as electric vehicles, industrial equipment, and IoT devices for monitoring energy usage and optimizing power management. Its compact size and integrated features make it an efficient solution for accurate power measurement in various electronic systems.

The INA219BIDR is a high-side current sensing monitor with an I2C interface, primarily used for battery management and power monitoring applications. Key features include:
1. Current Measurement: It can measure current up to ±3.2A with a programmable gain and offers high accuracy ±1% typical.
2. Voltage Measurement: Measures bus voltages from 0V to 26V.
3. Shunt Resistor: Compatible with external shunt resistors to enhance measurement flexibility.
4. Power Calculation: Calculates power in watts, allowing easy monitoring of power consumption.
5. Wide Supply Voltage: Operates from 3.0V to 5.5V supply voltage.
6. Low Quiescent Current: Ensures minimal impact on the overall power measurement.
7. I2C Interface: Supports communication with microcontrollers via I2C, facilitating easy integration.
8. Alert Functionality: Provides alerts for overcurrent and overvoltage conditions.
9. Compact QFN Package: Available in a small 10-pin thermally enhanced package for space-constrained applications.
These features make the INA219BIDR ideal for precise power monitoring in various electronic systems.

The INA219BIDR is packaged in a 14-pin TSSOP (Thin Shrink Small Outline Package).

The INA219BIDR is manufactured by Texas Instruments (TI), a prominent American technology company. Founded in 1930, Texas Instruments designs and produces semiconductors and various integrated circuits, which are used in a wide range of electronic devices. The company is particularly well-known for its analog and embedded processing products, serving diverse industries such as automotive, industrial, communications, and consumer electronics. TI is a leader in innovation within the semiconductor sector and is recognized for its commitment to advancing technology solutions that enhance performance and efficiency across numerous applications.

The INA219BIDR is a high-side current sensing IC used in various applications, including power monitoring in battery management systems, power supplies, and electric vehicles. It enables precise measurement of current, voltage, and power in devices, facilitating energy management and efficiency monitoring. Its integration in microcontroller-based systems helps optimize power usage in IoT devices, renewable energy systems, and industrial automation.

Equivalent products to the INA219BIDR include the INA226, INA180, and INA181 from Texas Instruments. Other options are the MAX471, MAX472, and LTC6105 from Maxim Integrated and Analog Devices, respectively. Ensure compatibility with your specific application requirements, such as voltage range and communication protocol.