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參數(shù)資料
| 型號(hào)： | 908E425 |
| 廠商： | 飛思卡爾半導(dǎo)體(中國(guó))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)： | 42/49頁 |
| 文件大?。?/td> | 490K |
| 代理商： | 908E425 |
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Analog Integrated Circuit Device Data
Freescale Semiconductor
42
908E425
TYPICAL APPLICATIONS
Figure 26. PCB Layout Recommendations
.
1
2
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908E425
LIN
VBAT
GND1
GND2
VSUP2
VSUP3
GND
C
L1
EVDD
EVSS
VDDA
VSSA
VDD
VSS
VSUP1
LIN
VREFH
VREFL
NC
NC
NC
NC
C
C4
C
V
D1
C2
Pins 21, 22 (NC)
used for signal routing
Table 13. Component Value Recommendation
Component
Recommended Value
(1)
Comments / Signal routing
D1
reverse battery protection
C1
Bulk Capacitor
C2
100 nF, SMD Ceramic
Close (<5 mm) to VSUP1, VSUP2 pins with good ground return.
C3
100 nF, SMD Ceramic
Close (<3 mm) to digital supply pins (EVDD, EVSS) with good ground
return.
The positive analog (VREFH, VDDA) and the digital (EVDD) supply
should be connected right at the C3.
C4
4.7
μ
F, SMD Ceramic or Low ESR
Bulk Capacitor
C5
180 pF, SMD Ceramic
Close (<5mm) to LIN pin.
Total Capacitance per LIN node has to be below 220 pF.
(C
total
= C
LIN-Pin
+ C5 + C
Varistor
~ 10 pF + 180 pF + 15 pF)
V1
(2)
Varistor Type TDK AVR-M1608C270MBAAB
Optional (close to LIN connector)
L1
(2)
SMD Ferrite Bead Type TDK MMZ2012Y202B
Optional (close to LIN connector)
Notes
1.
Freescale does not assume liability, endorse, or want components from external manufactures that are referenced in circuit drawings
or tables. While Freescale offers component recommendations in this configuration, it is the customer’s responsibility to validate their
application.
Components are recommended to improve EMC and ESD performance.
2.
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