INA219AIDCNR

The INA219AIDCNR is a high-precision, digital current and power monitor from Texas Instruments, designed for measuring current, voltage, and power in electronic circuits. It integrates a current shunt and a precision analog-to-digital converter (ADC) to provide accurate measurements. Here are its key features:

Key Features

• Measurement Capabilities: Measures both current and power with high accuracy
• Current Sense: Can measure shunt voltages from 0 to ±320 mV, which allows for high-resolution current sensing
• Bus Voltage Measurement: Measures the voltage across the power supply (bus voltage) from 0 to 26V
• Resolution: 12-bit ADC for accurate digital conversion
• Interface: I2C-compatible digital interface for easy communication with microcontrollers and other digital systems
• Operating Voltage: 3.0V to 5.5V, making it suitable for various power supply configurations
• Package Type: 10-pin VSSOP (Very Small Shrink Outline Package), compact for space-constrained designs

Performance

• Accuracy: High precision with low offset and gain errors, ensuring reliable measurements
• Low Power Consumption: Designed to consume minimal power, enhancing battery-operated system efficiency
• Current Range: Up to 3.2A, suitable for a wide range of current measurement applications
• Temperature Range: -40°C to +125°C, suitable for industrial and automotive applications

Features and Benefits

• Digital Output: Provides digital readings of current, power, and bus voltage, simplifying data collection and processing
• Programmable Alerts: Can be configured to trigger alerts based on predefined thresholds for current and voltage
• Flexible Calibration: Allows for calibration adjustments to match specific system requirements

Applications

• Power Management: Monitoring and managing power consumption in electronic devices
• Battery Monitoring: Measuring current and power in battery-operated systems for efficient energy usage
• Industrial Equipment: Tracking power usage and performance in industrial machinery and control systems
• Consumer Electronics: Used in devices such as smartphones, tablets, and other electronics to optimize power consumption

The INA219AIDCNR is designed for high-precision monitoring of current, voltage, and power, providing accurate and reliable measurements for a variety of electronic and industrial applications.