입고 시 알림 요청
수량 | 가격 |
---|---|
1+ | ₩295,067 |
제품 정보
제품 개요
EVALSTPM-3PHISO evaluation board implements a complete three-phase energy meter with low-cost shunt current sensors. The solution is based on the STPMS2 device, a double channel, 24-bits second order sigma-delta modulator, measuring voltage and current for each phase through a voltage divider and a shunt current sensor. Sensing circuitry and PCB layout are optimized to maximize signal-to-noise ratio for optimal accuracy. The STPMS2 oversamples the signal using a 4MHz clock distributed in a synchronized way by the microcontroller and outputs voltage and current sigma-delta bitstreams, multiplexed on the same pin. The two-wire communication between STPMS2 modulator and MCU is isolated by STISO621W, 6KV galvanic isolated interface, allowing up to 100 Mbps rate and low pulse distortion (<lt/>3ns) for safe and fast data transfer between isolated domains.
- Compliant to EN 50470-x, IEC 62053-2x, ANSI12.2x standard requirements for AC watt meters
- Accuracy Class 0.5 according to IEC 62053-22 on 3-ph active/apparent power measurement
- Accuracy Class 1 according to IEC 62053-21 on 3-ph reactive power measurement
- 6 channels voltage and current decimated samples available at 200us
- 5KHz measurement bandwidth
- RMS and THD (optional) calculation of each voltage and current signal
- Selectable high pass filter for DC measurement
- Line period and phase shift measurement for each phase
- Phase voltage delays
- Full calibration (amplitude, power offset and samples offset for DC measurement)
기술 사양
STMicroelectronics
Power Management
Evaluation Board STPMS2/STISO621W/STM32F413RH
No SVHC (21-Jan-2025)
STPMS2, STISO621W, STM32F413RH
Energy Meter
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RoHS
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