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參數(shù)資料
| 型號： | LB11884 |
| 元件分類： | 運動控制電子 |
| 英文描述： | BRUSHLESS DC MOTOR CONTROLLER, 1.2 A, PDSO48 |
| 封裝： | 0.375 INCH, HSSOP-48 |
| 文件頁數(shù)： | 8/18頁 |
| 文件大?。?/td> | 325K |
| 代理商： | LB11884 |
LB11884
No.7883-16/18
3. Capstan Motor Driver Truth Table & Control Functions
Hall input
Source
→Sink
U
V
W
C_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 FRC means the voltage of 1.5V or more while L means the voltage of 1.0V or less. (At VCC = 5V)
Note) For the Hall input, the input H means the condition in which (+) relative to each phase input (-) is higher by 0.1V.
The input L means the condition in which (+) relative to (-) is lower by 0.1V or more.
Control function & control limiting function
Caution: For the VCRF voltage of control characteristics, the peak value is to be measured.
Cautions for use)
1. Capstan short-brake safety conditions
C_VCC = 14V or less 1500 rpm or less. Limiter 1.1 to 2.6V. 33F or more between C_VCC-C_MGND
2. Capstan direct F/R safety conditions
C_VCC = 16V or less 2500 rpm or less. Limiter 2.6 to 3.0V. 33F or more between C_VCC-C_MGND
1
VC_RF
2
3
4
5
0
Control characteristics C_ILM = 5V
Gm = 0.53V/Vtyp
2.5 Vtyp
C_CNT
VC_R
Current limiting characteristics
C_CNT = 5V
Gradient = 0.53V/Vtyp
C_ILM
2.5 Vtyp
1
2
3
4
5
0
0V
PWM cycle
Peak value
VCRF
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