Product Overview: INA199C1QDCKRQ1 by Texas Instruments

The INA199C1QDCKRQ1 is a precision current-sense amplifier designed by Texas Instruments, renowned for its high-quality electronic components. This particular amplifier is part of the automotive-qualified product line, ensuring reliability and performance in automotive applications. It is a versatile device that can be used in a wide range of applications, from battery management systems to motor control and power management in vehicles.

Key Features

• Voltage Supply: The INA199C1QDCKRQ1 operates on a supply voltage ranging from 2.7V to 26V, making it suitable for various automotive power systems.
• Common-Mode Range: It features an extended common-mode voltage range from -16V to +80V, which is crucial for high-side current sensing in systems with wide voltage swings.
• Accuracy: The device offers a high accuracy with a gain error of only ±0.5% (max) and a gain of 50V/V, enabling precise current measurement.
• Low Offset: The low input offset voltage of ±80µV (max) ensures accurate sensing even with low-level signals.
• Temperature Range: With an operating temperature range from -40°C to +125°C, the INA199C1QDCKRQ1 is robust enough to handle harsh automotive environments.
• Quiescent Current: The device has a low quiescent current, making it energy-efficient and suitable for always-on applications in automotive systems.

Package and Quality

The INA199C1QDCKRQ1 comes in a compact, 6-pin SC-70 package, which is ideal for space-constrained applications. The device is qualified for automotive applications, complying with the AEC-Q100 standards, which test for stress resistance and longevity in automotive environments. This ensures that the current-sense amplifier will perform reliably over a vehicle's lifetime.

Applications

This current-sense amplifier is designed to be used in a variety of automotive applications, including:

• Battery management systems
• Motor control units
• Overcurrent and load-dump detection
• Power supply control
• Energy management systems

Overall, the INA199C1QDCKRQ1 by Texas Instruments is a high-quality, precise, and reliable component that meets the stringent requirements of the automotive industry and enhances the performance and safety of automotive electronic systems.