Product Overview: INA281A2IDBVT from Texas Instruments

The INA281A2IDBVT is a high-precision, bidirectional current sense amplifier from Texas Instruments (TI), designed to monitor both shunt voltage drops and bus voltage in a wide range of applications. This device is part of the INA281 family, known for its accuracy and ease of use in current sensing solutions.

Key Features

• Wide Common-Mode Range: The INA281A2IDBVT operates over a common-mode voltage range from -0.2 V to +26 V, which is independent of the supply voltage. This feature allows for versatile deployment in systems with varying ground potentials.
• High Accuracy: With an offset voltage of only ±35 µV and gain error of ±0.5%, this current sense amplifier provides precise measurements which are crucial for efficient power management and monitoring.
• Configurable Gain: The device offers a fixed gain of 20 V/V, which simplifies the design process by eliminating the need for external gain-setting components.
• Low Quiescent Current: The INA281A2IDBVT boasts a low quiescent current of 450 µA (typical), making it suitable for power-sensitive applications.
• High Bandwidth: With a bandwidth of 850 kHz, the device is capable of capturing fast transient events, which is essential for high-speed operations and real-time monitoring.

Applications

The INA281A2IDBVT is ideal for a variety of applications including:

• Power management in servers and telecom equipment
• Battery chargers and management systems
• Automotive and industrial motor control
• Overcurrent and load drop-out detection
• Portable and consumer electronics

Package and Reliability

Encased in a compact SOT-23 package, the INA281A2IDBVT is designed to occupy minimal board space while offering robust performance. TI's commitment to quality ensures that this current sense amplifier meets stringent reliability standards, making it a reliable choice for critical applications where precision is paramount.

Overall, the INA281A2IDBVT from Texas Instruments stands out as a high-performance, reliable, and easy-to-use solution for current sensing applications demanding high accuracy and operational efficiency.