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MAXQ314 Datasheet Single-Phase Power-Measurement IC

Manufacturer: Maxim Integrated (now Analog Devices)

General Description

The MAXQ314 is a dedicated power-measurement IC that collects and calculates voltage, current, power, and power factor for a single-phase load.

The results can be retrieved by an external master through the internal I2C bus.

This bus is also used by the external master to configure the operation of the MAXQ314 and monitor the status of operations.

Overview

19-5031; Rev 0; 11/09 TION KIT EVALUA BLE IL AVA A Single-Phase Power-Measurement IC with I2C.

Key Features

  • S High-Performance, Low-Power DSP Core S On-Chip Digital Temperature Sensor S Precision Internal Voltage Reference S Active Power (W), < ±0.5% Error S Reactive Power (VAR), < ±0.7% Error S Apparent Power (VA), < ±0.7% Error S Power Factor, < ±1% Error S Voltage RMS, < ±0.2% Error S Current RMS, < ±0.5% Error S I2C-Compatible Serial Interface S Continuous Output of IRMS in Serial or PWM General.