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參數資料
型號: FAN8034
廠商: FAIRCHILD SEMICONDUCTOR CORP
元件分類: 光電元器件
英文描述: 6-CH Motor Driver
中文描述: CD MOTOR DRIVER, PQFP48
封裝: QFPH-48
文件頁數: 14/20頁
文件大小: 320K
代理商: FAN8034
FAN8034
14
4. Tsd Monitor Function
PIN22 is TSD monitor pin which detects
the state of the TSD block and generates the TSD-monitor signal.
In normal state Q5 is turned on, so Q6 is turned off. on the otherhand, When the TSD block is is activated then Q5 is turned
off, so the voltage of pin22 is low.
Truth table is as follows
Tsd Circuit
pin22
FAN8034
-
HIGH
Tsd Off
-
LOW
Tsd On
5. Focus, Tracking Actuator, Spindle, Sled Motor Drive Part
The voltage, Vref is the reference voltage given by the external bias voltage of the pin 43.
The input signal (Vin) through pins 1,4,7, 10 and 13 is amplified one time and then fed to the output stage.
(assume that input opamp was used as a buffer)
The total closed loop voltage gain is as follows
If you want to change the total closed loop voltage gain, you must use the input opamp as an amplifier
The output stage is the balanced transformerless (BTL) driver.
The bias voltage Vp is expressed as ;
43
Vref
48
3
6
+
+
9
+
OPin+
OPin-
Vp
Vp
R2
M
R1
R2
R2
R2
R1
R1
R2
DOP
DON
+
PVCC1(PVCC2)
60k
62k
Dp
Qp
Vin
39
38
37
34 32
31
33
36
12
1
4
7
10 13
48
3
6
9
12
Vin
DOP
Vref
Vp
V
+
=
=
4 V
+
DON
Vp 4
V
=
Vout
DOP
DON
V
8 V
=
=
Gain
20
------------
log
20
8
log
18dB
=
=
=
Vp
PVCC1
VDp
VcesatQp
(
)
+
60k
62k
-------------------------
×
VcesatQp
+
=
-----------------------–
1.97
VcesatQp
+
=
VcesatQp
+
- - - - - - - - - - (1)
相關PDF資料
PDF描述
FAN8035 6-CH Motor Driver
FAN8037 7-CH Motor Driver
FAN8038C 4-Channel Motor Drive IC
FAN8038 4-Channel Motor Drive IC
FAN8038B 4-Channel Motor Drive IC
相關代理商/技術參數
參數描述
FAN8034L 制造商:Fairchild Semiconductor Corporation 功能描述:
FAN8035 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:6-CH Motor Driver
FAN8035L 功能描述:馬達/運動/點火控制器和驅動器 5 Channel BTL Driver 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
FAN8036 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:5-CH Motor Driver + 2-Regulator
FAN8036L 功能描述:馬達/運動/點火控制器和驅動器 5CH 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
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