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   Product Introduction

The RN7302 has a built-in analog 3.3V power monitoring circuit that continuously monitors the AVCC pin voltage. At room temperature, when the power supply voltage is below 2.70V, the chip is globally reset, and when the power supply voltage is above 2.82V, the chip works normally.

RN7302 has two working modes: sleep mode (SLM) and metering mode (EMM).

Sleep mode (SLM) power on default state

Measurement mode (EMM) is used for the measurement and metering functions of various power parameters

   Product Features

Measurement

Provide full wave and fundamental active energy, with a dynamic range of 5000:1 and a nonlinear error of<0.1%, meeting the accuracy requirements of 0.5S and 0.2S active energy meters

Provide full wave and fundamental reactive power, with a dynamic range of 5000:1 and a nonlinear error of less than 0.1%

Provide full wave, fundamental RMS, and PQS apparent electrical energy

Provide active and reactive power directions, support reactive four quadrant judgment

? It has a stealth start function and an adjustable start threshold

Adjustable electric meter constant

Provide fast pulse counting for active, reactive, and visible power

Provide 3 channels of full wave, fundamental wave, active power, reactive power, and apparent pulse outputs

Measurement

Provide effective values of full wave, fundamental wave, and harmonic three-phase voltage and current, with a measurement error of less than 0.2 PERCENT within a dynamic range of 2000:1

Provide full wave, fundamental active, reactive, RMS, and PQS apparent power, with a dynamic range of 2000:1 and a measurement error of<0.1PERCENT

Provide full wave and fundamental power factors with measurement error<0.2 PERCENT

Provide voltage line frequency with a measurement error of<0.02 PERCENT

Provide 6 phase angles with a measurement error of<0.02 °

Provide 7 channels of ADC instantaneous sampling data, with a typical application downsampling rate of 8KHz

Provide flexible ADC synchronous sampling data cache of 768x24 bits, with 64 or 128 points per cycle, for easy harmonic analysis

Provide voltage vectors and effective values, as well as two types of current vectors and effective values

Provide 7 zero crossing detections, with zero crossing thresholds that can be set

Provide voltage phase sequence error detection

Provide voltage loss indication, and the voltage loss threshold can be set

Provide voltage sag detection

Provide overvoltage and overcurrent detection

Provide software libraries for power quality parameters such as harmonics, three-phase imbalance, flicker and voltage fluctuations, voltage surges and dips, voltage interruptions, etc

    Specifications

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