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参数资料
| 型号： | LB1923M |
| 元件分类： | 运动控制电子 |
| 英文描述： | BRUSHLESS DC MOTOR CONTROLLER, 0.03 A, PQFP44 |
| 封装： | QFP-44 |
| 文件页数： | 6/19页 |
| 文件大小： | 152K |
| 代理商： | LB1923M |
LB1923M
No.6067-14/19
Continued from preceding page.
Pin No
Pin
Function
Equivalent circuit
5
LD
Speed lock detection output
Goes low when the motor speed is within the
speed lock range (±6.25%).
6
BR
Brake control (short braking operation)
Low: 0 to 1.5V
High: 4.0V to VCC
Goes high when left open.
High or open for brake mode operation.
The hysteresis is about 0.45V.
7
F/R
Forward/reverse control
Low: 0 to 1.5V
High: 4.0V to VCC
An open state functions as a high-level input.
Low for forward.
The hysteresis is about 0.45V.
8
CLK
External clock signal input
Low: 0 to 1.5V
High: 4.0V to VCC
An open state functions as a high-level input.
The hysteresis is about 0.45V.
f = 10kHz, maximum
9
S/S
Start/stop control
Low: 0 to 1.5V
High: 4.0V to VREG
An open state functions as a high-level input.
Low for start.
The hysteresis is about 0.45V.
Continued on next page.
5
VCC
A11839
6
VCC
63k
200
A11840
7
VCC
63k
200
A11841
8
VCC
63k
200
A11842
9
VCC
63k
200
A11843
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