Product Overview: INA293A4IDBVR from Texas Instruments

The INA293A4IDBVR is a high-precision, low-power current-sense amplifier from Texas Instruments, designed to provide accurate current measurement for a wide range of applications. This device is part of the INA293 series, renowned for its reliability and performance in monitoring shunt resistors over a differential input voltage range.

Key Features

• High Accuracy: The INA293A4IDBVR boasts a gain error of only ±0.1% at 25°C, which ensures precise current measurement, making it ideal for critical applications where accuracy is paramount.
• Wide Common-Mode Range: This amplifier operates over a common-mode voltage range of -0.2 V to +26 V, which is independent of the supply voltage. This feature allows the device to be used in systems with varying ground potentials and in high-side or low-side current sensing configurations.
• Low Quiescent Current: With a quiescent current of only 220 µA, the INA293A4IDBVR is optimized for power-sensitive applications, contributing to overall energy efficiency.
• High Bandwidth: The device offers a bandwidth of up to 350 kHz, making it suitable for capturing fast transient events that may occur in the monitored circuit.
• Multiple Gain Options: The INA293 family provides a range of fixed-gain options. The INA293A4 variant specifically offers a gain of 20 V/V, allowing for flexible design choices to meet various application requirements.
• Small Package Size: Housed in a compact SOT-23 package, the INA293A4IDBVR is ideal for space-constrained applications, enabling high-performance current sensing in a minimal footprint.

Applications

The INA293A4IDBVR is versatile and can be used in numerous applications, including:

• Power management systems
• Battery chargers
• Portable electronics
• Overcurrent protection circuits
• Automotive systems
• Industrial automation

In summary, the INA293A4IDBVR from Texas Instruments is a robust and precise current-sense amplifier that offers designers a reliable solution for current monitoring across a variety of applications. Its high accuracy, wide voltage range, and low-power consumption make it an excellent choice for both portable and fixed electronics that require meticulous power and current management.