The INA168QDBVRQ1 is a high-performance, automotive-grade current sense amplifier from Texas Instruments, designed to provide precision voltage measurements across shunt resistors. This unidirectional current shunt monitor is capable of translating small differential voltage signals into a single-ended output with a fixed gain. With its wide input common-mode range of -16V to +80V, it is suitable for a variety of automotive and industrial applications, including motor control, battery management, and overcurrent protection circuits.

Key Features

• Wide Input Common-Mode Range: Operates over a range of -16V to +80V, accommodating systems with high common-mode voltages.
• Fixed Gain: The device provides a fixed gain of 20 V/V, simplifying the design of current measurement systems.
• High Accuracy: Ensures precise current measurement, which is crucial for monitoring and controlling systems efficiently.
• Low Offset Voltage: Features a low input offset voltage that minimizes error in current measurement.
• Automotive Qualified: Meets the AEC-Q100 standards for automotive reliability, suitable for harsh automotive environments.
• Single-Supply Operation: Capable of operating from a single 2.7V to 5.5V power supply, making it versatile for various applications.

Applications

The INA168QDBVRQ1 is ideal for a wide range of applications in the automotive sector, including but not limited to:

• Battery management systems in electric and hybrid vehicles
• Overcurrent and fault detection in automotive systems
• Motor control for precise torque and speed management
• Power management systems to ensure efficiency and safety

Package and Quality

The device is offered in a compact SOT-23 package, which is ideal for space-constrained applications. It also has a temperature range of -40°C to +125°C, ensuring reliable operation under extreme conditions. With its automotive qualification, the INA168QDBVRQ1 is designed to meet stringent quality and reliability standards, providing a robust solution for current sensing in automotive applications.