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CS5467 Datasheet Four-channel Power/Energy

Manufacturer: Cirrus Logic

General Description

• Energy Linearity: ±0.1% of Reading over 1000:1 Dynamic Range • On-chip Functions: - Voltage and Current Measurement - Active, Reactive, and Apparent Power/Energy - RMS Voltage and Current Calculations - Current Fault and Voltage Sag Detection - Calibration - Phase Compensation - Temperature Sensor - Energy Pulse Outputs • Meets Accuracy Spec for IEC, ANSI, & JIS • Low Power Consumption • Voltage Tamper Correction • Ground-referenced Inputs with Single Supply • On-chip 2.5 V Reference (40 ppm / °C typ.) • Power Supply Monitor Function • Three-wire Serial Interface to Microcontroller or E2PROM • Power Supply Configurations GND: 0 V, VA+: +5 V, VD+: +3.3 V to +5 V Description The CS5467 is a watt-hour meter on a chip.

It measures line voltage and current and calculates active, reactive, apparent power, energy, power factor, and RMS voltage and current.

An internal RMS voltage reference can be used if voltage measurement is disabled by tampering.

Overview

CS5467 Four-channel Power/Energy IC.

Key Features

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