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参数资料
| 型号： | LB11990W |
| 元件分类： | 运动控制电子 |
| 英文描述： | BRUSHLESS DC MOTOR CONTROLLER, 1 A, PQFP64 |
| 封装： | SQFP-64 |
| 文件页数： | 11/14页 |
| 文件大小： | 151K |
| 代理商： | LB11990W |
LB11990W
No. 6216-6/14
Block Diagram
Soft switching
drive circuit
Reference
voltage
TSD circuit
Forward/
reverse
Timing control
circuit
Startup
control circuit
Rotor
position
detector
VCC2
COM
UIN
VIN
WIN
VS_D
UOUT_D
VOUT_D
WOUT_D
RF_D
GND
500
9k
1k
200
10k
40k
200
FGIN2_D
FGIN1_D
FGIN_D VREF
FGOUT_D
VCC1
30k
200
30k
FC1
FILTER
NC
CSLP2
CSLP1
FRC_D
OSC
STBY_D
BFGO
VCC1
PGOUT_D
PGC
30k
200
75k
1.5k
PGIN
100k
500
Mid point
control
FC2
SELCSLP
B
+Vf
DECORDER
1.2V reference
voltage bias start
circuit
VCC2
TSD
Capstan bias
circuits
VCC1
R6
VX+
α
R4
R3
1.5
×R5
R2
2
×R1
R1
VX
R5
ANGLE
WIN2
WIN1
VIN2
VIN1
UIN2
UIN1
FRC_C
DEC2
DEC1
RS_L
OUT1 OUT2 VS_L
RF_L
RLO1
RLM1
RLP1
RLO2
RLM2
RLP2
VS_C
UOUT_C
VOUT_C
WOUT_C
RF_C
STBY_C
VH+
VH–
FGOUT_C
FGIN–
FGIN+
SBD
VS–VX–Vf+2
α
VX+Vf
(VS/2)+
α
VCC2
Upper/lower
amplitude limiter
VCC1
1.2V reference
voltage bias start
circuit
Cylinder bias circuits
Unit (resistance:
)
Forward/reverse
switching
Hall
input
synthesis
(matrix)
Matrix
signal
level
shift
Drive
signal
current
generator
Hall power
supply voltage
output circuit
Output
drive
circuit
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