參數資料
型號: FAN8623
廠商: FAIRCHILD SEMICONDUCTOR CORP
元件分類: 運動控制電子
英文描述: 12V Spindle Motor and Voice Coil Motor Driver(12V電源的主軸電機和語音線圈電機驅動器)
中文描述: VOICE COIL MOTOR CONTROLLER, 1.2 A, PQFP52
封裝: 14 X 14 MM, HEAT SINK, QFP-48
文件頁數: 23/35頁
文件大?。?/td> 443K
代理商: FAN8623
FAN8623; PRELIMINARY
23
Figure 8. MCLK generation flow chart
YES
YES
NO
NO
Running
Acceleration
Start
High frequency
Noise
Elimination
Using filtered FG
Generate start
Counter
Counting
the FG duration
Hard
commutation
Saturation
=
Waiting 2msec
MCLK generation
MCLK = FG(n-1)/2
MASK = FG(n-1)/4
MASK = 1msec
FG polarity
Check = SAME
Keep going
Waiting for FG edge
Store count
Value of the FG
MCLK = FG(n-1)/32
MASK = 344.45usec
Start up
Retry
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