參數(shù)資料
型號: MPC17550EL
廠商: Motorola, Inc.
元件分類: 基準(zhǔn)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(jī)驅(qū)動器/ DC升壓轉(zhuǎn)換器
文件頁數(shù): 11/16頁
文件大?。?/td> 477K
代理商: MPC17550EL
MOTOROLA ANALOG INTEGRATED CIRCUIT DEVICE DATA
17550
11
CEMF Snubbing Techniques
Care must be taken to protect the IC from potentially
damaging CEMF spikes induced when commutating 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 5
).
Figure 5. CEMF Snubbing Techniques
175XX
V
DD
5.0 V
5.0 V
GND
C1L
C1H
C2L
C2H
C
RES
VM
OUT
OUT
175XX
V
DD
5.0 V
5.0 V
GND
C1L
C1H
C2L
C2H
C
RES
VM
OUT
OUT
F
Freescale Semiconductor, Inc.
Go to: www.freescale.com
n
.
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