INA193AIDBVR/INA193AIDBVT Current Shunt Monitor
The INA193AIDBVR and INA193AIDBVT, manufactured by Texas Instruments, are high-quality current shunt monitors that offer precision voltage measurement across shunts. These devices are part of a family of current sense amplifiers that are designed for cost-sensitive applications requiring high accuracy and low power consumption. They are commonly used in battery management systems, power management devices, and overcurrent protection circuits.
Key Features
- Voltage Supply Range: The INA193AIDBVR and INA193AIDBVT operate on a wide supply range of 2.7V to 26V, making them versatile for various applications.
- Accuracy: Both devices provide a high accuracy with a maximum offset voltage of 100 µV and a gain error of only 0.5% at 25°C. This ensures precise current measurement across the shunt.
- Quiescent Current: They exhibit low quiescent current, typically 100 µA, which is ideal for power-sensitive systems.
- Common-Mode Range: The INA193AIDBVR and INA193AIDBVT feature a wide common-mode range from -16V to 80V, allowing for versatile deployment in systems with high-side and low-side shunt resistors.
- Output: The output is a voltage proportional to the differential input voltage, with a typical gain of 20 V/V for the INA193AIDBVR and INA193AIDBVT, facilitating easy interfacing with analog-to-digital converters (ADCs) or microcontrollers.
- Package Options: The INA193AIDBVR is available in a SOT-23 package, while the INA193AIDBVT is offered in a SOT-23-6 package, both providing a compact footprint for space-constrained applications.
- Temperature Range: These devices are designed to operate over an extended industrial temperature range of -40°C to +125°C, ensuring reliable performance in harsh environments.
Applications
- Power management
- Battery chargers
- Energy management
- Overcurrent protection
- Automotive systems
- Portable electronics
The INA193AIDBVR and INA193AIDBVT from Texas Instruments are optimal solutions for designers looking for a reliable and accurate current shunt monitor. Their ease of use, combined with their robust feature set, make them well-suited for a wide range of applications, from consumer electronics to industrial and automotive systems.