參數(shù)資料
型號(hào): DRM013
英文描述: USB Security Key Reference Design Designer Reference Manual
中文描述: 安全密鑰的USB參考設(shè)計(jì)設(shè)計(jì)參考手冊(cè)
文件頁數(shù): 15/72頁
文件大小: 1177K
代理商: DRM013
Vacuum Cleaner Reference Design
Introduction
DRM010 — Rev 0
Designer Reference Manual
MOTOROLA
Vacuum Cleaner Reference Design
For More Information On This Product,
Go to: www.freescale.com
15
Figure 1-1. Vacuum Cleaner Plus Circuit Board
One of the most important benefits is soft-start. A microcontroller can
provide a soft-start function using a very simple software algorithm that
will minimize the startup current of the vacuum cleaner. The startup
current of a conventional vacuum might be as high as 60 amperes peak.
If the vacuum draws excessive current during startup, this might cause
the line voltage to dip momentarily. This is readily apparent in common
incandescent lighting and is called voltage flicker. With increased
European community regulations, vacuum cleaner manufacturers must
clean up their power quality. Using an MCU with some simple software
will help manufacturers meet the requirements of EN61000-2-3 and
EN61000-3-3. These standards define limits for line harmonics and
voltage flicker.
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Freescale Semiconductor, Inc.
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