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参数资料
| 型号： | LB11965M |
| 元件分类： | 运动控制电子 |
| 英文描述： | BRUSHLESS DC MOTOR CONTROLLER, PDSO14 |
| 封装： | 0.225 INCH, MFP-14 |
| 文件页数： | 6/8页 |
| 文件大小： | 125K |
| 代理商： | LB11965M |
LB11965M
No.6599-6/8
*8. VCONT input
The motor speed can be controlled either with a 0 to 5V analog voltage or a PWM input (filtered with an RC circuit).
Even with an analog input, an RC filter circuit can be used to reduce noise.
Application Circuit Example 2 (5V/24V dual-voltage power supply)
Motor power
supply
VM = 5 to 26.4V
P-GND
VM
FG
OUT1
OUT2
CT = 0.47to 1
μF
H
S-GND
*2
*3
*5
CM
*4
CP = 100pF
CV
*1
*6
*7
CR = 0.1
μF
*8
Control system
power supply
VCC = 5V
CT
VCONT
IN+
IN-
5VREG
CPWM
VCC
*1.VCC and S-GND are the control system power supply. The control system external components should be connected to S-GND.
The low side transistor drive current (25mA) and the control system circuit current (10mA) are supplied from VCC.
Heat generation in the IC control block can be suppressed by using two power supply systems.
Application Circuit Example 3 (5V single power supply)
Motor power
supply
VM = 5V
P-GND
VM
FG
OUT1
OUT2
CT = 0.47 to 1
μF
H
S-GND
*2
*3
*5
CM
*4
CP = 100pF
CV
*6
*7
CR = 0.1
μF
*8
CT
VCONT
IN+
IN-
5VREG
CPWM
VCC
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