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參數資料
| 型號： | MPC17550EVEL |
| 廠商： | 飛思卡爾半導體(中國)有限公司 |
| 元件分類： | 基準電壓源/電流源 |
| 英文描述： | Quad H-Bridge Micromotor Driver with DC/DC Boost Converter |
| 中文描述： | 四H橋直流微電機驅動器/ DC升壓轉換器 |
| 文件頁數： | 12/15頁 |
| 文件大?。?/td> | 212K |
| 代理商： | MPC17550EVEL |
Analog Integrated Circuit Device Data
Freescale Semiconductor
12
17550
TYPICAL APPLICATIONS
INTRODUCTION
CEMF SNUBBING TECHNIQUES
Care must be taken to protect the IC from potentially
damaging CEMF spikes induced when commuting currents
in inductive loads. Typical practice is to provide snubbing of
voltage transients by placing a capacitor or zener at the motor
supply voltage terminal (VM) (see
Figure 8
).
Figure 8. CEMF Snubbing Techniques
175XX
VDD
5.0 V
5.0 V
GND
C1L
C1H
C2L
C2H
CRES
VM
OUT
OUT
175XX
VDD
5.0 V
5.0 V
GND
C1L
C1H
C2L
C2H
CRES
VM
OUT
OUT
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