Texas Instruments

INA381A1IDGSR

The INA381A1IDGSR 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 is available in a compact 10-lead MSOP package and is suitable for a wide range of applications.

Description:

The INA381A1IDGSR is a high-side current shunt monitor that can measure currents up to ±5000mA with an accuracy of ±0.25%. It features a low-drift, low-offset amplifier with a programmable gain that can be adjusted to optimize performance for different shunt resistance values. The device also includes internal protection features such as overcurrent and overtemperature protection, as well as a fault output pin that can be used to indicate when an overcurrent condition has occurred.

Features:

• High accuracy and precision current measurement up to ±5000mA
• Low-drift, low-offset amplifier with programmable gain
• Wide supply voltage range (2.7V to 5.5V)
• Internal overcurrent and overtemperature protection
• Fault output pin for overcurrent indication
• I2C and SMBus compatible digital interface
• Available in a compact 10-lead MSOP package

Applications:

The INA381A1IDGSR can be used in a variety of applications where accurate current measurement is required. Some potential applications include:

• Battery monitoring in portable devices
• Power management in industrial and automotive systems
• Motor control in robotics and automation systems
• Energy harvesting systems
• Power distribution and monitoring in telecommunications equipment

Overall, the INA381A1IDGSR is a versatile and accurate current shunt monitor that can be used in a wide range of applications where precise current measurement is required. Its compact size and digital interface make it easy to integrate into a variety of systems.