The INA190A1IRSWR is a high-side current shunt monitor from Texas Instruments. It is designed to measure the current flowing through a high-side shunt resistor with high accuracy and precision. The device features a low-dropout voltage reference, a low-drift amplifier, and a 12-bit ADC to provide accurate and stable measurements over a wide range of input currents and temperatures.
Description:
The INA190A1IRSWR is a precision current shunt monitor that can measure both positive and negative currents. It is available in a compact 10-lead WSON package, making it suitable for space-constrained applications. The device operates from a single 2.7V to 5.5V supply and has a wide input voltage range of ±550mV, which allows it to measure currents from -300A to +300A.
Features:
- High accuracy and precision: The INA190A1IRSWR offers a typical accuracy of ±0.5% and a precision of ±0.1% of reading.
- Low-dropout voltage reference: The device features an internal 2.5V low-dropout voltage reference, which provides a stable and accurate reference voltage for the measurement.
- Low-drift amplifier: The INA190A1IRSWR uses a low-drift amplifier to minimize the impact of temperature and supply voltage variations on the measurement.
- Wide input voltage range: The device can measure input voltages from ±550mV, allowing it to measure a wide range of input currents.
- 12-bit ADC: The INA190A1IRSWR features a 12-bit ADC, which provides high resolution and accuracy for the current measurement.
- I2C interface: The device uses an I2C interface for communication, which allows for easy integration with microcontrollers and other digital systems.
Applications:
The INA190A1IRSWR is suitable for a wide range of applications that require high-accuracy current monitoring, including:
- Battery management systems: The device can be used to monitor the current flowing in and out of batteries in applications such as electric vehicles, power tools, and portable electronics.
- Solar panel monitoring: The INA190A1IRSWR can be used to measure the current generated by solar panels and monitor their performance.
- Motor control: The device can be used to monitor the current flowing through motors in applications such as robotics, industrial automation, and HVAC systems.
- Power supply monitoring: The INA190A1IRSWR can be used to monitor the output current of power supplies and ensure that they are operating within their specified limits.
- Energy harvesting: The device can be used to measure the current generated by energy harvesting systems, such as piezoelectric or thermoelectric generators.
In summary, the INA190A1IRSWR is a high-accuracy, high-side current shunt monitor from Texas Instruments that offers a wide range of features and applications. Its compact size, low-dropout voltage reference, low-drift amplifier, and 12-bit ADC make it an ideal choice for applications that require precise current monitoring.