Single Phase Energy Metering, 2.95 V to 3.65 V in, QFN-32

STPM33TR - Single Phase Energy Metering, 2.95 V to 3.65 V in, QFN-32

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Product Overview

The STPM33TR is a high accuracy Analog Front End (AFE) for DC and AC energy measurement, offering high accuracy down to extremely low current typical of home appliances in stand-by. A full set of on-board features provides high system integration and enable on-chip power quality monitoring. The device has up to 4 independent 24 bits 2nd order ∑Δ ADC with PGA. The device has integrated DSP for "turn-key" energy parameters calculations. Built-in twin independently temperature compensated voltage references and double LED output programmable for active and reactive energy pulses generation.
  • Applicable to class 0.2m
  • <0.1% Active power accuracy over a dynamic range of 5000:1
  • 4kHz Bandwidth
  • Very fast single point calibration
  • AC and DC measurement
  • Multiple sensors support - Shunt, current transformer, Rogowsky coils
  • Multiple host interfaces 5 and 3 wires SPI, UART
  • I,V bit stream available to host controller for customer own processing
  • Case removal and Neutral Anti-tamper detection
  • Exceeds 50-60Hz EN 50470-x, IEC 62053-2x, ANSI12.2x


Lighting, System Monitoring, Power Management, Consumer Electronics, Metering


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Product Information

Single Phase Energy Metering
MSL 3 - 168 hours
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