Product Overview: INA293A3IDBVR from Texas Instruments

The INA293A3IDBVR is a high-performance, current-sense amplifier manufactured by Texas Instruments. This precision amplifier is specifically designed to monitor current in power management systems by translating small differential voltage signals into a proportional output voltage. It is commonly used in applications such as motor control, battery management, overcurrent protection, and power supply monitoring.

Key Features

• Wide Common-Mode Range: The INA293A3IDBVR operates over a common-mode voltage range of -0.2V to +26V, making it suitable for various applications, including those with higher supply voltages.
• High Accuracy: With an offset voltage of only 35 µV and a gain error of less than 0.5%, this device ensures accurate current measurement across its operating range.
• Quiescent Current: The device features a low quiescent current of 100 µA, which is ideal for power-sensitive applications.
• Multiple Gain Options: The INA293 is available in four gain options (20V/V, 50V/V, 100V/V, and 200V/V), providing flexibility in signal amplification to match specific application requirements.
• Wide Bandwidth: With a bandwidth of up to 350 kHz, the INA293A3IDBVR can effectively support fast transient responses in dynamic systems.

Package and Reliability

The INA293A3IDBVR comes in a compact SOT-23 package, making it suitable for space-constrained applications. Its small footprint does not compromise on robustness, as the device is specified for operation from -40°C to +125°C, ensuring reliable performance in a wide range of environments.

Applications

This current-sense amplifier is versatile and can be used in a variety of applications, including:

• Telecom and Networking Equipment
• Server and Computer Power Supplies
• Automotive Systems
• Portable and Battery-Powered Devices
• Industrial and Test Equipment

Overall, the INA293A3IDBVR from Texas Instruments is a reliable and precise solution for current measurement in a wide range of electronic systems, offering designers a balance of performance, flexibility, and ease of use.