Product Overview: INA293B2IDBVT from Texas Instruments

The INA293B2IDBVT 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 belongs to the INA293 family, known for its superior performance in monitoring shunt resistors over a differential input voltage range.

Key Features

• High Accuracy: The INA293B2IDBVT offers an impressive gain error of only ±0.1%, ensuring precise current measurement across its operating range.
• Wide Common-Mode Range: It operates over a common-mode voltage range from -0.2V to +26V, making it versatile for both low-side and high-side current sensing in diverse systems.
• Low Offset Voltage: A low input offset voltage of ±35 µV maximizes accuracy in current measurements, which is crucial for systems requiring precise control.
• Quiescent Current: The device has a low quiescent current of 350 µA, contributing to energy efficiency in battery-powered applications.
• Wide Bandwidth: With a bandwidth of 500 kHz, the INA293B2IDBVT is capable of tracking fast current transients, which is essential for power management and protection circuits.

Applications

The INA293B2IDBVT is suitable for a wide range of applications including:

• Power management in consumer electronics
• Automotive battery management systems
• Overcurrent protection circuits
• Portable instrumentation
• Telecommunication equipment

Package and Reliability

This current-sense amplifier is offered in a compact SOT-23 package, which is ideal for space-constrained applications. Its temperature range of -40°C to +125°C ensures reliable operation across various environmental conditions. Additionally, the INA293B2IDBVT is designed to meet the stringent requirements of the automotive industry, making it a reliable choice for automotive applications where performance and durability are critical.

Conclusion

The INA293B2IDBVT from Texas Instruments is a top-tier current-sense amplifier that offers precision, efficiency, and versatility. Its high accuracy, wide bandwidth, and low power consumption make it an excellent choice for designers who require the best in current sensing technology.