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参数资料
| 型号： | LB1854M |
| 元件分类： | 运动控制电子 |
| 英文描述： | BRUSHLESS DC MOTOR CONTROLLER, 1.5 A, PDSO30 |
| 封装： | MFP-30 |
| 文件页数： | 4/6页 |
| 文件大小： | 183K |
| 代理商： | LB1854M |
No. 4476-4/6
LB1854M
Truth Table
Input high: Phase 1 is 0.2 V or more higher than the corresponding phase 2 for each phase input.
Low: Phase 1 is 0.2 V or more lower than the corresponding phase 2 for each phase input.
Forward and reverse control high: 2.3 V to VCC1
Low: 0 V to 0.7 V
Pin Functions
Unit (resistance: Ω)
Source
Input
Forward and reverse control
Sink
UV
W
F/RC
1
W phase → V phase
HH
L
V phase → W phase
H
2
W phase → U phase
HL
L
U phase → W phase
H
3
V phase → W phase
LL
H
L
W phase → V phase
H
4
U phase → V phase
LH
L
V phase → U phase
H
5
V phase → U phase
HL
H
L
U phase → V phase
H
6
U phase → W phase
LH
H
L
W phase → U phase
H
Pin No.
Symbol
Pin voltage
Equivalent circuit
Function
1, 2, 14,
15, 16,
17, 29,
30
3
4
5
6
FRAME
(GND)
FC
VC REF
VC
VCC1
1.5 V min
VCC2 max
0 V min
VCC2 max
5 to 18 V
Ground for all circuits except the outputs
The gain frequency characteristics can be lowered by
connecting a capacitor between this pin and ground to
prevent oscillation.
Speed control
The LB1854M implements a voltage control scheme in
which the output voltage is controlled by the pin 5 voltage.
The pin 4 voltage determines the control start voltage.
Power supply that provides the drive outputs
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相关代理商/技术参数 |
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| LB1855 | 制造商:SANYO 制造商全称:Sanyo Semicon Device 功能描述:3-Phase Brushless Motor Driver |
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| LB1857 | 制造商:SANYO 制造商全称:Sanyo Semicon Device 功能描述:Three-Phase Brushless-Motor Driver |
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