The CS5462-IS is a highly integrated power measurement IC from Cirrus Logic, designed for accurate and reliable power and energy metering. It is a key component in single-phase energy meters and power monitoring systems, offering a comprehensive solution for measuring active and reactive power, apparent energy, and various power quality parameters.

Applications

• Residential energy meters
• Industrial power monitoring systems
• Smart plugs and smart appliances
• Power distribution units (PDUs)
• Solar inverters

Features

• High accuracy power measurement
• Integrated metrology functions
• Digital calibration
• On-chip temperature sensor
• Single 5V supply operation
• SPI interface for communication
• Interrupt output for system alerts
• Wide dynamic range

Benefits

• Enables accurate energy billing and monitoring
• Reduces system cost and complexity
• Improves system reliability
• Facilitates remote data access and control
• Supports advanced metering infrastructure (AMI)

Additional Details

The CS5462-IS utilizes a delta-sigma ADC architecture to achieve high accuracy and resolution in its measurements. It includes an on-chip digital calibration feature, which allows for precise calibration of the meter without the need for external components. The SPI interface enables easy communication with a microcontroller or other system controller. Its low power consumption is well-suited for energy-conscious applications.