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): 7/16頁
文件大?。?/td> 317K
代理商: KA3011BDTF
KA3011BD
7
Electrical Characteristics (Continued)
Calculation of Gain & Torque Limit Current
0.255 from GM times R1 is a fixed value within IC.
Vmax (see above block diagram) is setted to 350mV.
EC
ECR
+
Gm
+
+
Absolute
Values
Current / Voltage
Convertor
R1
Vin
+
Driver
VM
Vmax
Max. output current limiting
+
VM
VM
Negative
Feedback loop
I
O
R
S
V
S
+
CS1 (Pin 28)
Output
Current sense
Power
Transistors
Commutation
Distributor
U
V
W
H1
H2
H3
I
O
Gain
R
S
--------------
=
Itl mA
]
R
S
---------------
R
S
]
-----------------------
=
=
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