Product Overview: INA381A2QDGSRQ1 from Texas Instruments

The INA381A2QDGSRQ1 is a state-of-the-art voltage output current shunt and voltage monitor with comparator and reference from Texas Instruments, designed specifically for automotive applications. This high-precision integrated circuit (IC) is part of TI's industry-leading portfolio of sensing products, offering a compact and efficient solution for current sensing in a variety of systems.

Key Features

• Integrated Shunt and Voltage Monitor: The device incorporates a high-accuracy current sensing amplifier and a voltage monitor, enabling simultaneous measurement of shunt voltage and bus voltage.
• Comparator with Reference: It features an integrated comparator with an internal voltage reference, providing a threshold for overcurrent or undervoltage conditions, which is essential for protection and control in automotive systems.
• High Accuracy: With a precision analog design, the INA381A2QDGSRQ1 delivers high-accuracy measurements, ensuring reliable performance in critical applications.
• Wide Common-Mode Range: The device is capable of measuring differential voltage signals in systems with common-mode voltages ranging from -0.2V to +85V, making it versatile for various automotive electrical environments.
• Adjustable Threshold: The comparator’s threshold is externally adjustable, providing flexibility to set overcurrent or undervoltage limits according to specific application requirements.
• Automotive Qualified: As a Q1 device, it meets the rigorous standards required for automotive applications, including AEC-Q100 qualification.
• Compact Package: Supplied in a small VSSOP-10 package, the INA381A2QDGSRQ1 minimizes board space and is suitable for space-constrained automotive applications.

Applications

The INA381A2QDGSRQ1 is ideal for a range of automotive applications where precise current monitoring is crucial. It is commonly used in:

• Motor control systems
• Battery management systems
• Power management modules
• Overcurrent protection circuits
• Automotive infotainment and telematics

With its robust design and precision measurement capabilities, the INA381A2QDGSRQ1 is an excellent choice for automotive engineers looking to enhance system reliability and performance.