Key Specifications

• Functionality: Polyphase multifunction energy metering with harmonic analysis

• Measurement Capabilities: Total active, reactive, and apparent energy; RMS calculations; fundamental-only active and reactive energy; harmonic distortion analysis

• Supply Voltage: 2.97 V to 3.63 V

• Supply Current: 25 mA

• Input Impedance: 490 kΩ

• I/O Voltage Levels: High: 2.4 V, 3 V; Low: 0.4 V, 0.8 V

• Operating Temperature Range: -40°C to +85°C

• Package: 40-lead LFCSP-WQ (6×6 mm)

• Mounting Type: Surface Mount

• Compliance Standards: Supports IEC 62053-21, IEC 62053-22, IEC 62053-23, EN 50470-1, EN 50470-3, ANSI C12.20 standards

Features

• High Accuracy: Typical total active energy error of 0.1% at 25°C with VDD = 3.3V ±10%

• Harmonic Monitoring: Computes RMS of harmonics on phase and neutral currents and phase voltages

• Flexible Interfaces: Serial interfaces and three flexible pulse outputs for communication and data retrieval

• Compatibility: Suitable for 3-phase, 3-wire or 4-wire (delta or wye) systems

• Applications: Ideal for energy metering systems, power quality monitoring, solar inverters, process monitoring, and protective devices