EVALSTPM33

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Single-phase with tamper monitoring energy metering demonstration board with CT and shunt based on the STPM33

Quantity $ per Unit Savings
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Parameter NameParameter Value
Target ApplicationSmart Grid Distribution and Smart Meters
Core ProductSTPM33
ECCN USEAR99
ECCN EUNEC
Packing TypeNot Applicable
RoHs compliantEcopack1
GradeIndustrial
Package NameCARD

The STPM33 energy metering evaluation board is a class 0.2, single-phase meter which includes tamper monitoring, CT and shunt current sensors for power line systems with Vnom= 140 to 300 V(RMS), Inom/ Imax= 5/100 A(RMS), flin= 50/60 Hz ± 10% and Tamb= -40 to +85 °C.


Measured active/reactive power can be output from two programmable LEDs on the board.


The board can be interfaced with a PC running evaluation software through an isolated RS232 port, or through the STEVAL-IPE023V1 USB isolated interface tool for configuration and data reading.


The board also has SPI/UART pins available to interface a microcontroller for application development.

Key features
  • 0.2% accuracy single-phase meter with tamper monitoring
  • Vnom(RMS)= 140 to 300 V, Inom/Imax(RMS)= 5/100 A,
    flin= 50/60 Hz ± 10%
  • Tamper detection though neutral current monitoring
  • Connector for USB isolated hardware programmer tool STEVAL-IPE023V1 and PC GUI
  • RS232 and UART isolated connectors to PC GUI
  • SPI/UART switch for device peripheral selection
  • 2 programmable LEDs on board
  • Digital expansion to external system-on-chip or MCU
  • 3.3 V power supply: external or through STEVAL-IPE023V1 isolated USB board
  • IEC61000 standard compliant
  • RoHS compliant