Texas Instruments

INA290A3IDCKR

The INA290A3IDCKR is a high-precision, low-power, bidirectional current and power monitor from Texas Instruments. It is designed to measure both current and power in a wide range of applications, including battery-powered systems, solar energy systems, and electric vehicle charging stations.

Description:

The INA290A3IDCKR is a monolithic, precision current and power monitor that combines a low-side current shunt and a high-precision analog-to-digital converter (ADC) in a single package. It is available in a 16-pin, 3mm x 3mm WQFN package.

Features:

1. Bidirectional current and power measurement: The INA290A3IDCKR can measure both positive and negative current flow, making it suitable for applications where the direction of current flow may change.
2. Wide input voltage range: The device can operate from a supply voltage of 2.5V to 5.5V, making it suitable for a wide range of applications.
3. High precision: The INA290A3IDCKR offers a high level of precision, with a maximum current measurement error of ±0.5% and a maximum power measurement error of ±1%.
4. Low power consumption: The device has a low power consumption of just 10µA in normal operation, making it ideal for battery-powered applications.
5. Programmable gain: The gain of the INA290A3IDCKR can be programmed to allow for a wide range of shunt resistor values, providing flexibility in system design.
6. I2C interface: The device features an I2C interface for easy integration with microcontrollers and other digital systems.

Applications:

The INA290A3IDCKR is suitable for a wide range of applications, including:

1. Battery-powered systems: The INA290A3IDCKR can be used to monitor the current and power consumption of battery-powered devices, such as smartphones, laptops, and portable electronics.
2. Solar energy systems: The device can be used to measure the current and power generated by solar panels, as well as the energy stored in batteries.
3. Electric vehicle charging stations: The INA290A3IDCKR can be used to monitor the current and power delivered to electric vehicles during the charging process.
4. Energy harvesting systems: The device can be used to measure the current and power generated by energy harvesting systems, such as piezoelectric or thermoelectric generators.
5. Power supplies: The INA290A3IDCKR can be used to monitor the current and power output of power supplies, helping to ensure that devices are operating within their specified power limits.

Overall, the INA290A3IDCKR is a versatile and high-precision current and power monitor that offers a range of features and benefits for a wide range of applications.