Product Overview: Texas Instruments INA216A4RSWR

The INA216A4RSWR is a high-precision, low-power, current-sense amplifier from Texas Instruments (TI), designed to provide industry-leading performance for power management and control in a wide array of electronic systems. This device is part of TI's family of current-shunt monitors that offer a simple and effective solution for measuring current in various applications, including portable devices, power supplies, and battery management systems.

Key Features

• High Accuracy: The INA216A4RSWR boasts a low offset voltage that enables precise current measurement, even at low levels. This is critical for applications where accurate current sensing is vital for performance and efficiency.
• Wide Common-Mode Range: It supports a wide common-mode voltage range from -0.2V to +26V, making it versatile for both high-side and low-side current sensing configurations across multiple domains.
• Low Power Consumption: Designed with power-sensitive applications in mind, this current-sense amplifier features a quiescent current of only 35 µA (typical), which helps to minimize the power drain in battery-powered devices.
• Variable Gain Options: The INA216 is available in three gain options (50V/V, 100V/V, and 200V/V), with the INA216A4RSWR variant providing a gain of 200V/V, allowing designers to choose the appropriate gain level for their specific application requirements.
• Robust Design: With its operating temperature range of -40°C to +125°C, the INA216A4RSWR is built to function reliably in harsh environments, ensuring consistent performance where temperature fluctuations are a concern.

Applications

The INA216A4RSWR is ideal for a variety of applications that require accurate current monitoring. Its typical applications include:

• Power management in consumer electronics
• Battery chargers and management systems
• Overcurrent and load-dump detection
• Automotive systems
• Telecommunications equipment
• Industrial and server systems

This current-sense amplifier is available in a compact, leaded SOT-23 package, which is suitable for space-constrained applications. With its combination of accuracy, low power, and robustness, the INA216A4RSWR from Texas Instruments is an excellent choice for designers looking to enhance the current-sensing capabilities of their systems.