Texas Instruments

INA138QPWRQ1  

Current & Power Monitors & Regulators

INA138QPWRQ1 Description

The INA138QPWRQ1 is a high-precision current monitor IC designed for automotive applications, manufactured by Texas Instruments. This device is part of the Power Management Integrated Circuits (PMIC) category and is engineered to provide accurate current sensing with an impressive accuracy of ±0.5%. Housed in an 8-pin TSSOP package, the INA138QPWRQ1 is suitable for surface mount technology, ensuring ease of integration into modern automotive electronic systems.

INA138QPWRQ1 Features

• High Accuracy: The INA138QPWRQ1 offers a ±0.5% accuracy, making it one of the most precise current monitors in its class. This level of precision is critical for applications requiring accurate current measurement and control.
• Wide Input Voltage Range: With an input voltage range of 2.7V to 36V, the INA138QPWRQ1 is versatile and can be used in a variety of automotive systems with different voltage requirements.
• Automotive Grade: Certified for automotive use, the INA138QPWRQ1 meets the stringent reliability and performance standards required for automotive electronics.
• Compliance and Safety: The device is REACH unaffected and RoHS3 compliant, ensuring it meets environmental and safety regulations.
• Packaging and Mounting: Available in a Tape & Reel (TR) package, the INA138QPWRQ1 is designed for surface mount, facilitating efficient manufacturing processes and high-density board layouts.
• Moisture Sensitivity Level: With an MSL rating of 2 (1 Year), the INA138QPWRQ1 is protected against moisture, ensuring reliability in various environmental conditions.

INA138QPWRQ1 Applications

The INA138QPWRQ1 is ideal for a range of automotive applications where precise current monitoring is essential. Some specific use cases include:

• Battery Management Systems: Accurate current sensing is crucial for monitoring the health and performance of automotive batteries, ensuring optimal charging and discharging cycles.
• Motor Control: In electric and hybrid vehicles, precise current monitoring helps in controlling motor performance, improving efficiency, and extending the lifespan of the motor.
• Power Distribution: The INA138QPWRQ1 can be used to monitor current in various power distribution systems within the vehicle, ensuring safe and efficient power management.
• Charging Systems: For onboard chargers, the INA138QPWRQ1 provides accurate current measurement, enabling precise control of the charging process and enhancing safety.

Conclusion of INA138QPWRQ1

The INA138QPWRQ1 from Texas Instruments stands out as a high-performance current monitor IC tailored for automotive applications. Its ±0.5% accuracy, wide input voltage range, and automotive-grade certification make it a reliable choice for precise current sensing. The device's compliance with environmental and safety standards, along with its surface mount packaging, ensures it meets the demands of modern automotive electronics. Whether used in battery management, motor control, power distribution, or charging systems, the INA138QPWRQ1 offers exceptional performance and reliability, making it an ideal choice for engineers designing automotive electronic systems.

INA138QPWRQ1 Documents

Download datasheets and manufacturer documentation for INA138QPWRQ1

Datasheets :

INA138-Q1,168-Q1      

HTML Datasheet :

INA138-Q1,168-Q1      

PCN Design/Specification :

Mult Dev Marking Chgs 16/Mar/2023       INA138-Q1/INA168-Q1 31/Jan/2018