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參數(shù)資料
| 型號： | 908E625 |
| 廠商： | 飛思卡爾半導(dǎo)體(中國)有限公司 |
| 英文描述： | Integrated Quad Half H-Bridge with Power Supply, Embedded MCU, and LIN Serial Communication |
| 中文描述： | 綜合四半僅符合電源橋，嵌入式微控制器和LIN串行通信 |
| 文件頁數(shù)： | 43/48頁 |
| 文件大小： | 615K |
| 代理商： | 908E625 |
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Analog Integrated Circuit Device Data
Freescale Semiconductor
43
908E625
TYPICAL APPLICATIONS
FACTORY TRIMMING AND CALIBRATION
EMC/EMI RECOMMENDATIONS
This paragraph gives some device specific
recommendations to improve EMC/EMI performance.
Further generic design recommendations can be e.g. found
on the Freescale website www.freescale.com.
VSUP terminals (VSUP1:VSUP3)
Its recommended to place a high-quality ceramic
decoupling capacitor close to the VSUP terminals to improve
EMC/EMI behaviour.
LIN terminal
For DPI (Direct Power Injection) and ESD (Electro Static
Discharge) its recommended to place a high-quality ceramic
decoupling capacitor near the LIN terminal. An additional
varistor will further increase the immunity against ESD. A
ferrit in the LIN line will suppress some of the noise induced.
Voltage regulator output terminals (VDD and AGND)
Use a high-quality ceramic decoupling capacitor to
stabilize the regulated voltage.
MCU digital supply terminals (EVDD and EVSS)
Fast signal transitions on MCU terminals place high, short-
duration current demands on the power supply. To prevent
noise problems, take special care to provide power supply
bypassing at the MCU. It is recommended that a high-quality
ceramic decoupling capacitor be placed between these
terminals.
MCU analog supply terminals (VREFH, VDDA and
VREFL, VSSA)
To avoid noise on the analog supply terminals its important
to take special care on the layout. The MCU digital and
analog supplies should be tied to the same potential via
seperate traces and connected to the voltage regulator
output.
Figure 25
and
Figure 26
show the recommendations on
schematics and layout level and Table
13
incidates
recommended external components and layout
considerations.
Figure 25. EMC/EMI recommendations
MM908E625
VREFL
VDDA
EVDD
VDD
EVSS
VSS
VSUP1
GND1
V
SUP
+
VREFH
VSSA
VSUP2
LIN
LIN
C1
C2
D1
C3
C4
C5
L1
V1
VSUP3
GND2
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 908E625_07 | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:Integrated Quad Half H-Bridge with Power Supply, Embedded MCU, and LIN Serial Communication |
| 908E625_10 | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:Integrated Quad Half H-Bridge with Power Supply, Embedded MCU, and LIN Serial Communication |
| 908E626 | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:Integrated Stepper Motor Driver with Embedded MCU and LIN Serial Communication |
| 908E626_08 | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:Integrated Stepper Motor Driver with Embedded MCU and LIN Serial Communication |
| 908E626_09 | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:Integrated Stepper Motor Driver with Embedded MCU and LIN Serial Communication |
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