參數(shù)資料
型號(hào)： FAN8037
廠商： FAIRCHILD SEMICONDUCTOR CORP
元件分類： 光電元器件
英文描述： 7-CH Motor Driver
中文描述： CD MOTOR DRIVER, PQFP48
封裝： 14 X 14 MM, HEAT SINK, QFP-48
文件頁(yè)數(shù)： 14/23頁(yè)
文件大小： 385K
代理商： FAN8037
FAN8037 (KA3037)
14
6. FOCUS, TRACKING ACTUATOR, SPINDLE, SLED MOTOR DRIVE PART
Vref is given by the external bias voltage of the pin 44.
The input signal (Vin) through pins 46,1,4 and 7 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
To change the total closed loop voltage gain, use the input opamp as an amplifier
The output stage is the balanced transformerless (BTL) driver.
The bias voltage Vp is expressed as ;
44
Vref
46
1
4
48
3
6
47
2
5
8
+
+
7
9
+
OPin+
OPin-
Vp
Vp
R2
M
R1
R2
R2
R2
R1
R1
R2
DOP
DON
+
PVCC1
60k
62k
Dp
Qp
Vin
39
38
37
34 32
31
33
36
Vin
DOP
Vref
Vp
V
+
=
=
2 V
+
DON
Vp 2
–
V
=
Vout
DOP
DON
V
4 V
=
–
=
Gain
20
------------
log
20
4
log
12dB
=
=
=
Vp
PVCC1
VDp
–
VcesatQp
–
(
)
+
60k
62k
-------------------------
×
VcesatQp
+
=
-----------------------–
1.97
VcesatQp
+
=
VcesatQp
+
- - - - - - - - - - (1)
相關(guān)PDF資料
PDF描述
FAN8038C 4-Channel Motor Drive IC
FAN8038 4-Channel Motor Drive IC
FAN8038B 4-Channel Motor Drive IC
FAN8039BD3TF MOTOR CONTROLLER
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
FAN8038 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:4-Channel Motor Drive IC
FAN8038B 功能描述:馬達(dá)/運(yùn)動(dòng)/點(diǎn)火控制器和驅(qū)動(dòng)器 Motor Driver 5Ch BTL+3Ch DC 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
FAN8038C 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:4-Channel Motor Drive IC
FAN8039BD3 功能描述:馬達(dá)/運(yùn)動(dòng)/點(diǎn)火控制器和驅(qū)動(dòng)器 4Ch BTL Driver 1Ch DC Motor Driver 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
FAN8039BD3TF 功能描述:馬達(dá)/運(yùn)動(dòng)/點(diǎn)火控制器和驅(qū)動(dòng)器 4Ch BTL Driver 1Ch DC Motor Driver 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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