Texas Instruments

INA169NA/3K

The INA169NA/3K is a high-side current shunt monitor from Texas Instruments. It is designed to measure the current flowing through a shunt resistor with high accuracy and precision. Here is a description of the INA169NA/3K, including its features and applications:

Description:

The INA169NA/3K is a monolithic, precision current shunt monitor that can measure both positive and negative currents. It is available in a 3-pin SOT-23 package and operates from a single supply voltage of 2.7V to 5.5V. The device features a gain of 200 and an input voltage range of ±550mV, making it suitable for a wide range of applications.

Features:

1. High accuracy and precision: The INA169NA/3K offers a high accuracy of ±0.5% and a precision of ±1.5% of reading, making it suitable for applications that require precise current measurements.
2. Wide input voltage range: The device can operate from a single supply voltage of 2.7V to 5.5V, making it suitable for a wide range of power supply requirements.
3. Small package size: The INA169NA/3K is available in a compact 3-pin SOT-23 package, making it ideal for space-constrained applications.
4. Rail-to-rail input: The device has a rail-to-rail input, allowing it to measure currents close to the supply voltage.
5. Low power consumption: The INA169NA/3K has a low power consumption of 80µA, making it suitable for battery-powered applications.
6. Wide temperature range: The device operates over a wide temperature range of -40°C to +125°C, making it suitable for harsh environments.

Applications:

1. Battery monitoring: The INA169NA/3K can be used to monitor the current flowing through a battery, helping to estimate the remaining battery life and prevent over-discharge.
2. Motor control: The device can be used to measure the current flowing through a motor, allowing for precise control and protection against overcurrent conditions.
3. Power management: The INA169NA/3K can be used in power management systems to monitor the current flowing through power supplies and ensure that they are operating within safe limits.
4. Energy harvesting: The device can be used to measure the current generated by energy harvesting systems, such as solar panels or wind turbines, allowing for efficient energy management.
5. Medical equipment: The INA169NA/3K can be used in medical equipment to monitor the current flowing through various components, helping to ensure safe and reliable operation.

In summary, the INA169NA/3K is a high-side current shunt monitor from Texas Instruments that offers high accuracy, precision, and a wide range of features. It is suitable for a variety of applications, including battery monitoring, motor control, power management, energy harvesting, and medical equipment.