Product Overview: Texas Instruments INA211AIDCKT

The INA211AIDCKT from Texas Instruments is a high-precision current shunt and power monitor with an I2C interface. This compact component, housed in a 6-pin SC-70 package, is designed to provide precise current measurement to modern electronic systems. Its primary function is to measure the voltage across a shunt resistor and translate that into a digital value, enabling systems to monitor current flow accurately.

Key Features

• High Accuracy: The INA211AIDCKT boasts a maximum offset error of ±100 µV and gain error of ±0.2%, ensuring high-precision current measurement.
• Wide Common-Mode Range: With a common-mode voltage range of -0.3V to +26V, this device is versatile and can be used in systems with higher voltages than the supply rail.
• Low Power Consumption: This device is optimized for power-sensitive applications, drawing a maximum quiescent current of 100 µA.
• Configurable Averages: The INA211AIDCKT allows configuration of the number of averages, enhancing the flexibility to optimize for noise versus response time.
• Programmable Alert Function: An integrated alert function can be programmed to indicate when a user-defined limit has been exceeded, providing an immediate response to critical events.

Applications

This current monitor is suitable for a wide range of applications, including:

• Power management in battery chargers and portable devices
• Energy monitoring in servers and telecom equipment
• Industrial and automotive systems

Technical Specifications

• Supply Voltage: 2.7V to 5.5V
• Operating Temperature: -40°C to +125°C
• Interface: I2C, SMBus compatible
• Package: 6-pin SC-70 (SOT-323)

The INA211AIDCKT is a testament to Texas Instruments' commitment to providing innovative solutions for precision current sensing. Its combination of accuracy, low power, and advanced features make it an essential component for any power-sensitive system requiring meticulous current monitoring.