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RN8209D

RN8209 can measure active power, reactive power, active energy a

Three channels of Σ-△ ADC are provided.

The active energy accuracy is less than 0.1% (< 0.1%) over a dynamic range of 8000:1 with the

Two-channel current and one-channel voltage RMS is provided, with the RMS accuracy <0.1%

One pulse frequency generator which can be used for user-defined power electrical energy accumulation points.

Provide instantaneous sample values of the three-way ADC.

No-load threshold is adjustable.


RN8209 can measure active power, reactive power, active energy and reactive energy, and can  provide two-channel independent active power and RMS, voltage RMS, line frequency, zero-crossing interrupt, etc. to achieve flexible anti-tampering solutions.

RN8209 supports all-digital gain, phase and offset calibration, with the active and reactive energy pulses respectively output from the pins of PF and QF.

RN8209D provides two serial interfaces SPI and UART, to facilitate communication with the external MCU.RN8209C provides only one serial interfaces UART, and the baud rate is fixed at 4800bps.

The internal power supply monitoring circuit of RN8209 can ensure reliable operation of the chip when power on and off.

 

 Features

1.Measurement

n Three channels of Σ-ADC are provided.

n The active energy accuracy is less than 0.1% (< 0.1%) over a dynamic range of 8000:1 with the 

2.IEC62053-22: 2003 Standard supported.

n The reactive energy accuracy is less than 0.1% (< 0.1%) over a dynamic range of 8000:1 with 

the IEC62053-23: 2003 Standard supported.

n Two-channel current and one-channel voltage RMS is provided, with the RMS accuracy <0.1% 

3.over the 1000:1 dynamic range.

n One pulse frequency generator which can be used for user-defined power electrical energy 

accumulation points.

n Provide instantaneous sample values of the three-way ADC.

n No-load threshold is adjustable.

n Reverse active power indication is provided.

n Provide voltage channel frequency measurement.

n Provide voltage channel zero-crossing detection.

n Reference baseline monitoring function

4.Software meter calibration

n The meter constant (HFConst) is adjustable.

n Gain and phase calibration is provided.

n Offset calibration is provided for active, reactive and RMS.

n Acceleration is provided for small-signal meter calibration.

n Automatic checksum is provided for configuration parameters.

5.SPI /UART interfaces are provided

6.Power supply monitoring is provided

7.Energy registers have timed freeze function

8.UART's RX input pin along with pin reset function

9.RN8209 + 5V / 3.3V power supply, the power consumption is typically 15mW @ 5V, 8mW @ 3.3V

10.Built-in 1.25V ± 1% reference voltage, with typical temperature coefficient of 5ppm / ,

11.SSOP24 lead-free package is adopted for RN8209D, SOP16 lead-free package is adopted for 

RN8209C.


The reasons why many listed companies choose us

  • Professional

    A national high-tech enterprise, the R&D team has been deeply involved in the electrical measurement industry for more than 20 years. 100% of the R&D personnel have a bachelor degree or above, and 60% have a master degree or above. It is the main supplier of electrical measurement solutions in the smart meter and EV charger industry, and is the standard of "Integrated Energy Power Sensing Terminal" and "Integrated Energy Internet of Things Gateway" drafting unit.

    Professional
  • One-stop

    ■ Exclusively provide 4 kinds of electrical measurement solutions in China
    1.Electric energy metering IC
    2.Electric energy metering scheme / module
    3.Electric energy metering kit
    4.Electric energy metering scheme
    ■ provide customers with electrical measurement calibration equipment and services.

    One-stop
  • Great industry experience

    Products are used in more than 10 industries such as smart meters, EV charger, electromobile charger, power exchange stations, power exchange cabinets, smart light poles, smart agriculture, smart buildings , smart parks, smart factories, Field Supervision Unit(FSU), energy management and smart transportation. And Irdopto provides more than 100 kinds of electrical measurement solutions, has more than 1,000 customers, and has sold more than 1 million metering modules.

    Great industry experience

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