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參數(shù)資料
| 型號： | LB1897H |
| 元件分類： | 運(yùn)動控制電子 |
| 英文描述： | BRUSHLESS DC MOTOR CONTROLLER, PDSO34 |
| 封裝： | 0.375 INCH, HSSOP-28 |
| 文件頁數(shù)： | 6/11頁 |
| 文件大?。?/td> | 159K |
| 代理商： | LB1897H |
LB1897H
No.8804-4/11
Truth Table and Product Control Functions
Hall input
Source→Sink
U
V
W
FR
V → W
H
1
W → V
H
L
U → W
H
2
W → U
H
L
U →V
H
3
V →U
H
L
H
L
W →V
H
4
V → W
L
H
L
W →U
H
5
U →W
L
H
L
V → U
H
6
U → V
L
H
L
Note: “H” of FR means the voltage of 2.75V or more while “L” means the voltage of 2.25V or less (At VCC =
5V).
Note: In the hall input, the input “H” indicates the condition in which “+” is 0.01V or more higher relative to “-”
of each
phase input. “L” indicates the condition in which “+” is 0.01V or more lower relative to “-” of each phase
input.
Note: This drive method is of a 180
° power application type, so that phases other than Sink and Source are
not turned
OFF.
[Control and Current Limiting Functions]
1
IOUT
2
3
4
5
0
Control characteristics VLIM = 5V
CTLREF : OPEN
VCTL
1
IOUT
2
3
4
0
Current limiting characteristics VCTL = 5V
CTLREF : OPEN
Gradient = 0.50A/Vtyp
VLIM
200mVtyp
Gm2 = 1.50A/Vtyp
Gm1 = 0.65A/Vtyp
2.35Vtyp
3.15Vtyp
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