CS5490-ISZ

Designed to meet the demands of modern energy monitoring systems, the CS5490-ISZ is packed with features that set it apart from other energy measurement ICs. Its two-wire serial interface enables seamless communication with external devices, simplifying integration into existing systems. Additionally, its low power consumption ensures minimal energy usage, making it an environmentally friendly option for energy monitoring applications

主な特長

• Superior Analog Performance with Ultra-low Noise Level & High SNR
• Energy Measurement Accuracy of 0.1% over a 4000:1 Dynamic Range
• Two Independent 24-bit, 4th-order, Delta-Sigma Modulators for Voltage and Current Measurements
• Configurable Digital Output for Energy Pulses, Interrupt, zero-crossing, and Energy Direction
• Supports Shunt Resistor, CT, and Rogowski Coil Current Sensors
• On-chip Measurements/Calculations:
• - Active, Reactive, and Apparent Power
• - RMS Voltage and Current
• - Power Factor and Line Frequency
• - Instantaneous Voltage, Current, and Power
• Overcurrent, Voltage Sag, and Voltage Swell Detection
• Ultra-fast On-chip Digital Calibration
• Configurable No-load Threshold for Anti-creep
• Internal Register Protection via Checksum and Write Protection
• UART Serial Interface
• On-chip Temperature Sensor
• On-chip Voltage Reference (25ppm/°C Typ.)
• Single 3.3 V Power Supply
• Ultra-fine Phase Compensation
• Low Power Consumption: <13 mW
• Power Supply Configurations:
• - GNDA = 0 V, VDDA: +3.3 V
• Low-cost 16-pin SOIC Package