Texas Instruments

INA2181A4IDGSR

The INA2181A4IDGSR is a high-side current sensor from Texas Instruments. It is designed to measure the current flowing through a high-side branch of a power distribution system. Here is a description of the INA2181A4IDGSR, its features, and applications:

Description:

The INA2181A4IDGSR is a monolithic, precision current sensor that can measure both AC and DC currents. It uses a small sense resistor to convert the input current to a proportional voltage, which can then be read by a microcontroller or other digital system. The device has a wide input voltage range, low power consumption, and high accuracy, making it suitable for a variety of applications.

Features:

• High accuracy: The INA2181A4IDGSR has a typical accuracy of ±0.5% of the reading.
• Wide input voltage range: The device can measure input voltages from 2.5V to 26V.
• Low power consumption: The INA2181A4IDGSR consumes only 175µA of supply current.
• Small package: The device is available in a compact 4mm x 4mm QFN package.
• Programmable gain: The gain of the INA2181A4IDGSR can be programmed using an external resistor, allowing for a wide range of current measurements.
• Wide temperature range: The device operates over a temperature range of -40°C to +125°C.

Applications:

The INA2181A4IDGSR is suitable for a variety of applications where high-accuracy current measurement is required. Some potential applications include:

• Power distribution systems: The INA2181A4IDGSR can be used to measure the current flowing through a high-side branch of a power distribution system, allowing for efficient power management.
• Battery monitoring: The device can be used to monitor the current flowing in and out of a battery, providing valuable information about the battery's state of charge and health.
• Motor control: The INA2181A4IDGSR can be used to measure the current flowing through a motor, allowing for precise control of motor speed and torque.
• Energy harvesting: The device can be used to measure the current generated by an energy harvesting system, such as a solar panel or wind turbine.

Overall, the INA2181A4IDGSR is a versatile and accurate current sensor that can be used in a variety of applications where precise current measurement is required. Its small size, low power consumption, and high accuracy make it an ideal choice for many applications.