EVALST-3PHISOSD

批量生产
Design Win

3-phase full shunt current meter evaluation board based on ISOSD61 and STM32F413RH

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产品概述

描述

The EVALST-3PHISOSD evaluation board implements a complete 3-phase current meter with low-cost shunt current sensors.

The solution is based on the ISOSD61 device, a single channel, galvanically isolated, second order sigma-delta modulator, measuring current for each phase through a shunt current sensor. Sensing circuitry and PCB layout are optimized to maximize signal-to-noise ratio for optimal accuracy.

The ISOSD61 oversamples the signal using a clock (up to 15 MHz) distributed in a synchronized way by the microcontroller and outputs the current sigma-delta bitstreams.

The firmware embedded in the solution exploits the DFSDM filters of the STM32F413RH to convert the three bitstreams into 24-bit current data, at a selectable sampling rate.

The firmware also implements a virtual COM port communication to easily access the internal parameters to read data and to calibrate the board.

  • 所有功能

    • 3 channels current decimated samples available
    • Sampling frequency and measurement bandwidth selectable
    • Communication through USB in virtual COM port mode with shell commands
    • 6 kV galvanic isolation between the phases with 8 mm creepage and clearance

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样片和购买

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核心产品
EVALST-3PHISOSD
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EVALST-3PHISOSD 批量生产

Budgetary Price (US$)*/Qty:
-
包:
包装类型:
RoHS:
Country of Origin:
ECCN (US):
ECCN (EU):

产品型号:

EVALST-3PHISOSD

核心产品:

STISO621

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(*) 建议转售单价(美元)仅用于预算用途。如需以当地货币计价的报价,请联系您当地的 ST销售办事处 或我们的 经销商