The INA190A3IDCKR is a high-side current shunt monitor from Texas Instruments. This device is designed to measure the current flowing through a high-side shunt resistor with high accuracy and precision. Here is a description of the INA190A3IDCKR, its features, and potential applications:
Description:
The INA190A3IDCKR is a precision current shunt monitor that can measure both positive and negative current flow with high accuracy. It is designed for use in a wide range of applications, including battery monitoring, motor control, and power management systems.
Features:
- High Accuracy: The INA190A3IDCKR offers high accuracy and precision in current measurements, with a typical accuracy of ±0.5% over a wide temperature range.
- Wide Input Voltage Range: It can operate with input voltages from 2.5V to 5.5V, making it suitable for a variety of power supply configurations.
- Low Power Consumption: The device has a low power consumption of 190µA, which is beneficial for battery-powered applications.
- High-Side Current Sensing: It is designed for high-side current sensing, which simplifies the design of current sensing circuits.
- Selectable Gain: The gain can be selected between 20V/V, 40V/V, 80V/V, and 160V/V, allowing for flexibility in shunt resistor selection and measurement range.
- I2C and SMBus Communication: It features an I2C and SMBus compatible interface for easy integration with microcontrollers and other digital systems.
- Alert Pin: The device includes an alert pin that can be used to signal when the current exceeds a programmable threshold.
- Temperature Compensation: It includes temperature compensation to maintain accuracy over a wide temperature range (-40°C to +125°C).
- Small Package: The INA190A3IDCKR comes in a small 16-pin QFN package, which is suitable for space-constrained applications.
Applications:
- Battery Monitoring: For monitoring the current flow in battery-powered devices to estimate state of charge and prevent over-discharge.
- Motor Control: To measure the current drawn by motors in applications such as robotics, drones, and electric vehicles.
- Power Management Systems: For monitoring current in power supply systems, ensuring efficient power distribution and protection from overloads.
- Energy Harvesting Systems: To measure the current generated by energy harvesting devices such as solar panels or thermoelectric generators.
- Medical Devices: In medical equipment where precise current measurement is critical for the safe and effective operation of the device.
- Industrial Automation: For monitoring current in industrial processes to ensure the efficient operation of machinery and equipment.
The INA190A3IDCKR is a versatile and accurate current sensing solution that can be integrated into a wide range of applications requiring precise current measurement and monitoring.