The INA216A2RSWR from Texas Instruments is a high-precision, bidirectional, current-sense amplifier that is designed to monitor both charging and discharging currents in applications such as battery management systems, portable devices, and power management solutions. This versatile device is part of Texas Instruments' INA216 series and offers a number of features that make it suitable for a wide range of applications.

Key Features

• Voltage Supply Range: The INA216A2RSWR operates over a wide supply voltage range from 1.8V to 5.5V, making it compatible with most low-voltage systems.
• High Accuracy: It offers high accuracy with a gain error of only ±0.2% (max) and an offset voltage of ±10 µV (max), ensuring precise current measurement across the full operating temperature range.
• Low Quiescent Current: The device features a low quiescent current of 15 µA (typical), which is advantageous in battery-powered applications where power conservation is crucial.
• Common-Mode Range: The INA216A2RSWR has a wide common-mode range from -0.3V to +26V, independent of the supply voltage, allowing it to handle a variety of signal conditions.
• Configurable Gain: The device comes with a fixed gain of 50V/V, which provides a good balance between sensitivity and dynamic range for many applications.

Applications

The INA216A2RSWR is suitable for a variety of applications, including:

• Power management in portable devices
• Battery chargers and management systems
• Overcurrent and load-dump detection
• Motor control and protection systems
• Energy metering and power monitoring

Package and Availability

The INA216A2RSWR is offered in a compact, RoHS-compliant, 10-pin WSON package, which is ideal for space-constrained applications. It is available in tape and reel form to facilitate automated manufacturing processes, making it a convenient choice for mass production environments.

With its high accuracy, low power consumption, and versatile features, the INA216A2RSWR from Texas Instruments is an excellent choice for designers who require a reliable current-sense solution for their applications.