參數(shù)資料
型號: KA3017
廠商: FAIRCHILD SEMICONDUCTOR CORP
元件分類: 光電元器件
英文描述: Spindle + 4-CH Motor Driver
中文描述: CD MOTOR DRIVER, PQFP48
封裝: 14 X 14 MM, HEAT SINK, QFP-48
文件頁數(shù): 12/26頁
文件大?。?/td> 433K
代理商: KA3017
KA3017
12
Calculation of Gain & Torque Limit Current
0.255 is made from GM times R1 and is a fixed value within IC.
S
Vmax (see above block diagram) is set 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 9)
Output
Current sense
Power
Transistors
Commutation
Distributor
U
V
W
H1
H2
H3
I
O
Gain
--------------
=
Itl mA
]
S
---------------
S
]
-----------------------
=
=
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