Product Overview: INA2191A3IYBJR from Texas Instruments

The INA2191A3IYBJR is a high-precision, bidirectional, current-sense amplifier from Texas Instruments, designed to monitor both shunt voltage drop and bus supply voltage with exceptional accuracy and resolution. This device is particularly suitable for applications that require precise current measurement and operational efficiency, such as power management systems, battery chargers, and energy monitoring.

Key Features

• High Accuracy: The INA2191A3IYBJR offers a maximum offset voltage of only 100 µV, which allows for highly accurate current measurements.
• Wide Common-Mode Voltage Range: The device supports a common-mode voltage range from -0.3V to +26V, enabling its use in a variety of systems with different voltage levels.
• Programmable Calibration: Users can calibrate the INA2191A3IYBJR to optimize the accuracy for specific current ranges, enhancing the precision of current sensing in their applications.
• Digital Interface: The device features an I2C-compatible interface, allowing for easy communication with microcontrollers and other digital systems.
• Multiple Addressing Options: It supports up to 16 distinct I2C addresses, facilitating the use of multiple devices on the same I2C bus without address conflicts.
• High-Side or Low-Side Sensing: The INA2191A3IYBJR can be used for high-side or low-side current sensing, providing design flexibility.

Applications

The INA2191A3IYBJR is versatile and can be integrated into a wide range of applications. Some common use cases include:

• Server and telecom power supplies
• Battery management systems
• Power monitoring for consumer electronics
• Industrial automation systems
• Portable instrumentation

Package and Quality

Encased in a compact, surface-mount package, the INA2191A3IYBJR is designed for space-constrained applications. Texas Instruments ensures high-quality standards, making this product reliable for critical and demanding environments.

With its robust feature set and the reputation of Texas Instruments for producing durable and high-performance components, the INA2191A3IYBJR stands out as an excellent choice for designers and engineers looking to enhance the current sensing capabilities of their systems.