Texas Instruments

INA281B1IDBVR

The INA281B1IDBVR is a precision current shunt monitor from Texas Instruments. It is designed to measure and monitor the current flowing through a shunt resistor with high accuracy and precision. Here is a description of the INA281B1IDBVR, including its features and applications:

Description:

The INA281B1IDBVR is a monolithic integrated circuit that offers a complete solution for measuring current in a wide range of applications. It includes a precision instrumentation amplifier, a non-inverting amplifier, and a 12-bit ADC with I2C interface. The device is available in a small 10-lead WSON package, making it ideal for space-constrained applications.

Features:

1. Wide input voltage range: The INA281B1IDBVR can operate from a supply voltage of 2.7V to 5.5V, making it suitable for a wide range of applications.
2. High accuracy: The device offers an accuracy of ±0.02% of the reading, making it ideal for applications that require precise current measurements.
3. Low power consumption: The INA281B1IDBVR consumes only 190µA in normal mode and 2.5µA in shutdown mode, making it suitable for battery-powered applications.
4. I2C interface: The device features a 2-wire I2C interface, allowing for easy integration with microcontrollers and other digital systems.
5. Programmable gain: The gain of the INA281B1IDBVR can be programmed to support a wide range of shunt resistor values, allowing for flexibility in system design.
6. Small package: The device is available in a compact 10-lead WSON package, making it suitable for space-constrained applications.

Applications:

The INA281B1IDBVR is suitable for a wide range of applications that require precise current measurements, including:

1. Battery monitoring systems: The INA281B1IDBVR can be used to monitor the current flowing through a battery, allowing for accurate estimation of the remaining battery life.
2. Power management systems: The device can be used to measure the current flowing through power supplies and other power management systems, allowing for efficient power distribution and management.
3. Energy harvesting systems: The INA281B1IDBVR can be used to measure the current generated by energy harvesting systems, such as solar panels or wind turbines, allowing for efficient energy storage and usage.
4. Motor control systems: The device can be used to measure the current flowing through motors in motor control systems, allowing for precise control of motor speed and torque.
5. Medical equipment: The INA281B1IDBVR can be used to measure the current flowing through medical equipment, such as defibrillators or insulin pumps, allowing for precise control and monitoring of the equipment.

Overall, the INA281B1IDBVR is a versatile and accurate current shunt monitor that offers a range of features and applications for precise current measurement in a compact package.