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參數資料
| 型號： | FAN8463MTC |
| 廠商： | FAIRCHILD SEMICONDUCTOR CORP |
| 元件分類： | 運動控制電子 |
| 英文描述： | BTL Single Phase Full Wave BLDC Motor Driver |
| 中文描述： | BRUSHLESS DC MOTOR CONTROLLER, 0.5 A, PDSO14 |
| 封裝： | TSSOP-14 |
| 文件頁數： | 9/14頁 |
| 文件大小： | 316K |
| 代理商： | FAN8463MTC |
9
www.fairchildsemi.com
FAN8463 Rev.
1.0.0
F
3. Hall Sensor Amplifier
Figure 2. Hall Sensor Interface
The hall current (I
H
) is determined as follows;
Where, R
H1
or R
H2
is an external limiting resistor and Ri is input impedance of hall sensor. An external resistor, R
H1
or R
H2
, can be
used to decide an amplitude of hall signal. The input range of hall amplifier is between 0.3V and V
CC
-1.0V as shown in following fig-
ure.
Figure 3. Hall Amplifier Input Range
VCC
Table1. Hall Sensor Outputs and Related Pin outputs
IN1
IN2
LD
L
H
Low Level
H
L
Low Level
-
-
4. Open Collector FG and 1/2FG Output for Speed Feedback
The FG output comes from the hall amplifier output. Because the FG output is open collector type, end user can pull up this pin with
a external resistor to the supply voltage of their choice(that is 5 or 3.3V). This FG output signal has two pulses per revolution on a four
pole motor and 1/2FG output signal has one pulse per revolution on a eight pole motor. It is recommended that this FG output be
higher than the GND potential.
5. Supply Voltage Consideration
A supply sustain capacitor(C
R)
should be placed as close to VCC pin with GND as layout permits. A reverse supply protection
diode(D
R
) prevent motor current from recirculating to power source when phase commutation occur. This results in increasing VCC
pin voltage. This capacitor absorbs motor recirculating current and limits VCC pin voltage. In general, large motor winding inductance
and current need large value of C
R.
6. Thermal Shutdown
TSD on: Two high side outputs are off.(Typ. 175
o
C)
TSD off:The circuit can be reactivated and begin to operate in a normal condition. (Typ. 150
o
C)
OUT 1
H
L
-
OUT 2
L
H
-
FG
H
L
L or H
Remark
ROTATING
LOCK
FAN8463
IN1
IN2
1
3
V+
Hall
Sensor
RH1
Ri
RH2
FAN8463
IN1
IN2
1
3
Hall
Sensor
Ri
RH
2
HB
case1
case2
IH
RH1
R
H2
R
i
+
+
------------------------------------------
=
IH
case1
VHB
H
Ri
+
--------------------
=
case2
Hall input available range
VCC-1V ~ 0.3V
GND
VCC/2
IN1 or IN2
IN1 or IN2
OUT1 or OUT2
OUT1 or OUT2
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|---|---|
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相關代理商/技術參數 |
參數描述 |
|---|---|
| FAN8463MTCX | 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:BTL Single Phase Full Wave BLDC Motor Driver |
| FAN8486D | 功能描述:馬達/運動/點火控制器和驅動器 BLDC Motor Driver 2 Phase RoHS:否 制造商:STMicroelectronics 產品: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 安裝風格:SMD/SMT 封裝 / 箱體:HTSSOP-28 封裝:Tube |
| FAN8486DTF | 功能描述:馬達/運動/點火控制器和驅動器 BLDC Motor Driver 3 Phase RoHS:否 制造商:STMicroelectronics 產品: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 安裝風格:SMD/SMT 封裝 / 箱體:HTSSOP-28 封裝:Tube |
| FAN8620B | 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:12V Spindle Motor and Voice Coil Motor Driver |
| FAN8621B | 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:12V Spindle Motor and Voice Coil Motor Driver IC |
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