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參數資料
| 型號： | FAN8729 |
| 廠商： | FAIRCHILD SEMICONDUCTOR CORP |
| 元件分類： | 光電元器件 |
| 英文描述： | Spindle+4-CH Motor Drive IC |
| 中文描述： | 4 CHANNEL CD MOTOR DRIVER, PQFP52 |
| 封裝： | 14 X 14 MM, QFP-52/48 |
| 文件頁數： | 13/24頁 |
| 文件大小： | 487K |
| 代理商： | FAN8729 |
FAN8729
13
5. Spindle
The spindle driver circuit consists of 3 section: Torque sense amp, Current sense amp, and Power driver.
Torque sense amp compares and amplifies E
C
and E
CR
signals from SERVO, and sends them to current sense amp. With
voltage comparison, it determines the signal as forward or reverse.
Current sense amp limits the current in Motor(Io) by comparing output current signal from torque sense amp with the
current of R
CS
.
Power driver output the current to the motor based on the current generated form current sense amp.
Feature Table
+
-
Torque sense amp
V
AMP
Driver
E
CR
E
C
Rcs
Gain
Controller
TSD
+
-
Current sense amp
V
RCS
Io
M
VM1
VM1
Power Driver
E
CR
-
E
C
[mV]
V
RNF[V]
3mV
-50
0
+50
Reverse
Forward
Ecoff-
Ecoff+
E
C
< E
CR
Rotation
E
C
> E
CR
Forward rotation
Stop after detecting
reverse rotation
相關PDF資料 |
PDF描述 |
|---|---|
| FAN8729_NL | Spindle+4-CH Motor Drive IC |
| FAN8732BG | Spindle motor and 5-CH actuator driver [Spindle(PWM), Sled 2-CH(PWM) 3-CH(Linear)] |
| FAN8732BGX | Spindle motor and 5-CH actuator driver [Spindle(PWM), Sled 2-CH(PWM) 3-CH(Linear)] |
| FAN8732CG | Spindle motor and 5-CH actuator driver [Spindle(PWM), Sled 2-CH(PWM) 3-CH(Linear)] |
| FAN8732CGX | Spindle motor and 5-CH actuator driver [Spindle(PWM), Sled 2-CH(PWM) 3-CH(Linear)] |
相關代理商/技術參數 |
參數描述 |
|---|---|
| FAN8729_NL | 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:Spindle+4-CH Motor Drive IC |
| FAN8731D | 功能描述:功率驅動器IC RoHS:否 制造商:Micrel 產品:MOSFET Gate Drivers 類型:Low Cost High or Low Side MOSFET Driver 上升時間: 下降時間: 電源電壓-最大:30 V 電源電壓-最小:2.75 V 電源電流: 最大功率耗散: 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube |
| FAN8732BG | 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:Spindle motor and 5-CH actuator driver [Spindle(PWM), Sled 2-CH(PWM) 3-CH(Linear)] |
| FAN8732BGX | 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:Spindle motor and 5-CH actuator driver [Spindle(PWM), Sled 2-CH(PWM) 3-CH(Linear)] |
| FAN8732CG | 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:Spindle motor and 5-CH actuator driver [Spindle(PWM), Sled 2-CH(PWM) 3-CH(Linear)] |
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