The INA199C1DCKR is a precision current shunt monitor from Texas Instruments, designed to provide accurate current measurement for a wide range of applications. This device operates from a single +2.7V to +26V power supply and can measure shunt voltages related to the supply voltage.

Key Features

• High Accuracy: The INA199C1DCKR offers a high accuracy with a gain error of only ±0.2% (max) and a gain drift of just 5 ppm/°C (max), ensuring precise current measurement across the entire operating temperature range.
• Wide Common-Mode Range: Capable of measuring differential voltage signals on common-mode voltages from –0.3V to +26V, this device is versatile and can be used in systems with high side or low side current sensing.
• Low Quiescent Current: With a quiescent current of 100 µA (typical), the INA199C1DCKR is optimized for power-sensitive applications, contributing to overall system power efficiency.
• Configurable Gain Options: The device is available in three gain options (50V/V, 100V/V, and 200V/V), allowing designers to choose the appropriate gain level for their specific application needs.

Applications

• Power management in battery chargers
• Overcurrent protection
• Automotive battery management
• Portable devices
• Power supply control

Package and Reliability

The INA199C1DCKR comes in an SC-70 package, which is small and space-efficient, making it suitable for compact designs. Its robust design ensures reliability and performance in harsh environments, which is critical for industrial and automotive applications.

Design Support

Texas Instruments provides comprehensive design resources for the INA199C1DCKR, including datasheets, application notes, and design tools. This support helps engineers to reduce development time and get to market faster with their designs.

With its combination of high accuracy, low power consumption, and versatile application range, the INA199C1DCKR from Texas Instruments is an excellent choice for precision current measurement in a variety of electronic systems.