Cypress FM3 Series Manuel - Sayfa 6

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Cypress FM3 Series Manuel

2. Getting Started

2.1

Board Elements

The Washing Machine Board comprises four main parts:
EMI filter and In-rush Limiter
In order to suppress the common mode noise and in-rush current, the board employs EMI filter and in-
rush limiter before rectifier module.
Rectifier Module and Power Module Stage
The rectifier module converts the AC voltage to full wave voltage. Then, it goes through the DC capacitor
and provides DC power to the inverter power module.
SMPS
This board adopts the transformer-less SMPS to provide 5Vpower to the control unit and 15Vpower to the
driver unit of power module.
MCU and User Interface
This solution supports MB9AF110K series MCUs. The board provides some dedicated interfaces for
washing machine application, for example: UART for data communication between drive board and top
board, and hall sensor input interface. The board can be used to drive the washing machine directly.
FM3, MB9AF110K, 32-Bit ARM® Cortex® - M3 Washing Machine Evaluation Board, Doc. No. 002-04443 Rev. *A
Figure 2. Top View of the Board
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