參數(shù)資料
型號： KA3011BDTF
廠商： FAIRCHILD SEMICONDUCTOR CORP
元件分類： 光電元器件
英文描述： 3-Phase BLDC Motor Driver
中文描述： 2 CHANNEL CD MOTOR DRIVER, PDSO28
封裝： 0.375 INCH, HEAT SINK, SSOP-28
文件頁數(shù)： 8/16頁
文件大小： 317K
代理商： KA3011BDTF
KA3011BD
8
Application Information
1. TORQUE & 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.
The input range of E
CR,
E
C
is 0.2V ~ 4V.
2. SHORT BRAKE
Pin # 18
Short brake
+
+
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
V
RNF
[V]
3 mV
0
E
CR
-E
C
Rotation
E
CR
> E
C
Forward rotation
E
CR
< E
C
Stop after detecting
reverse rotation
0.51[A/V]
50mV
50mV
2
4
7
18
V
CC
ON
OFF
30k
50k
MOTOR
OFF
ON
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參數(shù)描述
KA3012D 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:4-Channel Motor Driver
KA3012D02 功能描述:馬達(dá)/運(yùn)動/點火控制器和驅(qū)動器 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
KA3012D-02 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:4-Channel Motor Driver
KA3012D02TF 功能描述:馬達(dá)/運(yùn)動/點火控制器和驅(qū)動器 BTL 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
KA3012D-02TF 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:4-Channel Motor Driver
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