Product Overview: Texas Instruments INA281A4IDBVT

The INA281A4IDBVT is a precision current sense amplifier from Texas Instruments (TI), designed to offer industry-leading performance for monitoring power supply and load currents in various applications. This high-accuracy device is a crucial component for systems that require precise current measurement, such as power management systems, battery chargers, and portable devices.

Key Features

• Wide Common-Mode Range: The INA281A4IDBVT boasts a common-mode voltage range from -0.2V to +26V, which allows for versatile use in systems where the supply voltage can vary significantly.
• High Accuracy: With a gain error of just ±0.1% (max) and an offset voltage of ±80µV (max), this amplifier ensures precise current measurement, which is vital for system control and feedback.
• Variable Gain Options: The device offers multiple gain options (20V/V, 50V/V, 100V/V, and 200V/V), which provides flexibility to designers in selecting the appropriate gain for their specific application requirements.
• Low Power Consumption: Operating with a quiescent current of only 450µA (typical), the INA281A4IDBVT is optimized for power-sensitive applications.
• Robust Design: The device is designed to handle transient events and is specified for operation from -40°C to +125°C, making it suitable for industrial environments.

Applications

The INA281A4IDBVT is ideal for a wide array of applications, including:

• Telecommunications equipment
• Computing systems
• Automotive systems
• Power management modules
• Battery management systems

Package and Availability

This current sense amplifier comes in a compact SOT-23 package, which is suitable for space-constrained applications. The INA281A4IDBVT is part of Texas Instruments' extensive portfolio of current sense amplifiers and is available for order through TI's official website or authorized distributors.

For detailed technical specifications, application notes, and support resources, engineers and product designers are encouraged to visit the Texas Instruments website or contact their support team.