參數(shù)資料
型號(hào)： FAN8420D
廠商： FAIRCHILD SEMICONDUCTOR CORP
元件分類： 運(yùn)動(dòng)控制電子
英文描述： 3-Phase BLDC Motor Driver(三相無刷直流電機(jī)驅(qū)動(dòng)器)
中文描述： BRUSHLESS DC MOTOR CONTROLLER, PDSO28
封裝： 0.375 INCH, HEAT SINK, SSOP-28
文件頁數(shù)： 8/18頁
文件大小： 281K
代理商： FAN8420D
FAN8420D (KA3020D); PRELIMINARY
8
Application Information
1. TORQUE CONTROL & OUTPUT CURRENT CONTROL
By amplifying the voltage difference between E
C
and Ecr from servo IC, the torque sense amp produces the input (V
AMP
)
for the current sense amp.
The output current (I
O
) is converted into the voltage (V
CS
) through the sense resistor (R
CS
) and compared with the V
AMP
.
By the negative feedback loop, the sensed output voltage, V
CS
is equal to the input V
AMP
. Therefore, the output current
(I
O
) is linearly controlled by the input V
AMP
.
As a result, the signals, E
C
and E
CR
can control the velocity of the Motor by controlling the output current (I
O
) of the
driver.
The range of the torque voltage is as shown below.
+
+
Torque AMP
E
C
E
CR
V
M
ECR-EC
Current Sense AMP
TSD
Gain
Controller
Driver
M
R
CS
V
CS
+
I
O
V
M
Forward
Ecoff+
Ecoff-
Reverse
Current
[mA]
6
0
E
CR
-E
C
Rotation
E
CR
> Ec
Forward rotation
E
CR
< Ec
Stop after detecting re-
verse rotation
The input range of E
CR
and E
C
is 0.2 V ~ 3.3 V ( R
NF
= 0.5[
] )
500
700
50mV
-50mV
0.71[A/V]
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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FAN8420D3TF 功能描述:馬達(dá)/運(yùn)動(dòng)/點(diǎn)火控制器和驅(qū)動(dòng)器 BLDC Motor Driver 3Phse 3.3V Interface 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
FAN8420DTF 制造商:未知廠家 制造商全稱:未知廠家 功能描述:DC Motor Controller/Driver
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FAN8423D 制造商:未知廠家 制造商全稱:未知廠家 功能描述:DC Motor Controller/Driver
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