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參數(shù)資料
型號(hào): FAN8623
廠商: FAIRCHILD SEMICONDUCTOR CORP
元件分類: 運(yùn)動(dòng)控制電子
英文描述: 12V Spindle Motor and Voice Coil Motor Driver(12V電源的主軸電機(jī)和語(yǔ)音線圈電機(jī)驅(qū)動(dòng)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(yè)數(shù): 17/35頁(yè)
文件大小: 443K
代理商: FAN8623
FAN8623; PRELIMINARY
17
Mask
When the coil current is abruptly changed in a short time interval, a spark voltage occurs. This spark voltage mixes with the
FG output to give the wrong spindle information to the ASIC. To eliminate the spark voltage from the FG output, the masking
circuit is needed.
Ldt
Figure 1. BEMF, FG, and MCLK in the acceleration mode
Figure 2. MCLK vs MASK in the start-up mode
Vcoil
----
=
W_BEMF
V_BEMF
U_ BEMF
U_Comp
V_Comp
W_Comp
FG
FG_Edge
MCLK
120
°
60
°
Electrically 30
°
Delay
FG
MCLK
MASK
1msec
2msec
FG
8msec
commutation noise, false zero cross
2msec
1msec
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FAN8702MPX 6 Channel DSC Motor Driver
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
FAN8700 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:Camera Motor Drive and Control IC
FAN8702 功能描述:馬達(dá)/運(yùn)動(dòng)/點(diǎn)火控制器和驅(qū)動(dòng)器 6CH Motor Drive IC RoHS:否 制造商:STMicroelectronics 產(chǎn)品:Stepper Motor Controllers / Drivers 類型:2 Phase Stepper Motor Driver 工作電源電壓:8 V to 45 V 電源電流:0.5 mA 工作溫度:- 25 C to + 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:HTSSOP-28 封裝:Tube
FAN8702B 功能描述:馬達(dá)/運(yùn)動(dòng)/點(diǎn)火控制器和驅(qū)動(dòng)器 DSC 1CH IC RoHS:否 制造商:STMicroelectronics 產(chǎn)品:Stepper Motor Controllers / Drivers 類型:2 Phase Stepper Motor Driver 工作電源電壓:8 V to 45 V 電源電流:0.5 mA 工作溫度:- 25 C to + 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:HTSSOP-28 封裝:Tube
FAN8702MP 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:6 Channel DSC Motor Driver
FAN8702MPX 功能描述:馬達(dá)/運(yùn)動(dòng)/點(diǎn)火控制器和驅(qū)動(dòng)器 6CH Motor Drive IC RoHS:否 制造商:STMicroelectronics 產(chǎn)品:Stepper Motor Controllers / Drivers 類型:2 Phase Stepper Motor Driver 工作電源電壓:8 V to 45 V 電源電流:0.5 mA 工作溫度:- 25 C to + 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:HTSSOP-28 封裝:Tube
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