MAXQ3180Features
♦ Compatible with 3-Phase/3-Wire, 3-Phase/4-Wire,
and Other 3-Phase Services
♦ Active Power and Energy of Each Phase and
Combined 3-Phase (kWh), Positive and Negative
♦ Reactive Power and Energy of Each Phase and
Combined, Positive and Negative
♦ Apparent Power and Energy of Each Phase and
Combined 3-Phase
♦ Neutral Line Current Measurement
♦ Line Frequency (Hz)
♦ Power Factors
♦ Voltage Phasor Angles
♦ Phase Sequence Indication
♦ Phase Voltage Absence Detection
♦ Voltage and Current Harmonic Measurement
♦ Fundamental and Total Power and Energy
♦ Two Pulse Outputs: Configurable for Active,
Reactive, and Apparent Powers
♦ Programmable Pulse Widths
♦ Programmable No-Load Current Threshold
♦ Programmable Meter Constants
♦ Programmable Thresholds for Undervoltage and
Overvoltage Detection
♦ Programmable Threshold for Overcurrent Detection
♦ Amp-Hours in Absence of Voltage Signals
♦ On-Chip Digital Temperature Sensor
♦ Precision Internal Voltage Reference 2.048V
(30ppm/°C typical), Also Supports An External
Voltage Reference
♦ Supports Software Meter Calibration
♦ Up to 3-Point Multipoint Calibration to
Compensate for Transducer Nonlinearity
♦ Power-Fail Detection
♦ Bidirectional Reset Input/Output
♦ SPI-Compatible Serial Interface with Interrupt
Request (IRQ) Output
♦ Single 3.3V Supply, Low Power (35mW typical)
