Texas Instruments

INA381A2IDSGR

The INA381A2IDSGR is a high-side current shunt monitor IC from Texas Instruments. It is designed to measure and monitor the current flowing through a high-side shunt resistor in a wide range of applications, such as battery management systems, motor control, and power supplies.

Description:

The INA381A2IDSGR is a precision current shunt monitor that provides accurate and reliable measurements of current flowing through a high-side shunt resistor. It features a high accuracy of ±0.5% over temperature and a wide input voltage range of 2.5V to 5.5V. The device is available in a compact 10-lead WSON package.

Features:

1. High accuracy: ±0.5% over temperature
2. Wide input voltage range: 2.5V to 5.5V
3. Low power consumption: 190µA typical
4. Wide output voltage range: 100mV to 5.5V
5. Programmable gain: 20V, 40V, 80V, or 160V
6. I2C compatible digital interface
7. Short-circuit detection and alert pin
8. Thermal shutdown protection
9. Small footprint: 10-lead WSON package

Applications:

1. Battery management systems (BMS) for electric vehicles (EVs), plug-in hybrid electric vehicles (PHEVs), and energy storage systems (ESS)
2. Motor control systems for industrial, automotive, and robotics applications
3. Power supplies and power management systems
4. Solar panel monitoring and energy harvesting systems
5. Electric metering and energy monitoring systems
6. Servo and stepper motor control systems
7. Lighting control systems for LED and other lighting technologies
8. Medical equipment power management and monitoring

The INA381A2IDSGR 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 high accuracy, low power consumption, and programmable gain make it an ideal choice for various power management and monitoring systems.