STPMC1 - ST Microelectronics

STPMC1 Programmable poly-phase energy calculator IC

The STPMC1 device functions as an energy calculator and is an ASSP designed for effective energy measurement in power line systems utilizing Rogowski, current transformer, Shunt or Hall current sensors. Used in combination with one or more STPMSx ICs, it implements all the Table 1. Device summary Temperature range - 40 to 85 °C Order code STPMC1BTR May 2009.

Features

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■ Supports 1-, 2- or 3-phase WYE and Delta services, from 2 to 4 wires Computes cumulative active and reactive wideband and fundamental harmonic energies Computes active and reactive energies, RMS and momentary voltage and current values for each phase Supports Rogowski coil, current transformer, Shunt or Hall current sensors Exclusive ripple-free energy calculation algorithm Programmable pulsed output Stepper motor outputs Neutral current, temperature, and magnetic field monitoring OTP memory for configuration and calibration SPI interface Supports IEC 62052-11 / 62053-21 / 62053-22 / 62.