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參數(shù)資料
| 型號： | LB11993W |
| 元件分類： | 運動控制電子 |
| 英文描述： | BRUSHLESS DC MOTOR CONTROLLER, PQFP64 |
| 封裝： | 10 X 10 MM, SQFP-64 |
| 文件頁數(shù)： | 14/15頁 |
| 文件大?。?/td> | 162K |
| 代理商： | LB11993W |
LB11993W
No.A0677-8/15
Block Diagram
Reference
voltage
TSD circuit
Rotor potision
detection circuit
VCC2
COM
UIN
VIN
WIN
VS_D
UOUT_D
VOUT_D
WOUT_D
RF_D
GND
500
200
10k
40k
200
FGIN
VREF
FGOUT_D
VCC1
30k
200
200
200
30k
FC1
FILTER
CSLP2
CSLP1
FRC_D
OSC
STBY_D
VCC1
PG
OUT
PG
C
30k
200
200
75k
1.5k
PG
IN
100k
500
Mid-point control
FC2
B
+Vf
1.2V ref. voltage
bias startup circuit
Forward/rev
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
OUT
1
OUT
2
VS_L
RF_L
RLO1
RLM1
RLP1
RLO2
RLM2
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 ref. voltage
bias startup ckt.
Cylnder
bias circuits
AMP1OUT
AMP1IN-
AMP2OUT
AMP2IN-
VCC1
AMP1IN+
AMP2IN+
DECORDER
Soft switching
drive circuit
Timing
control circuit
Startup
control circuit
Hall
input
synthesis
block
(matri
x
)
Comp
osite
sig
nal
le
vel
sh
ifter
Drive
sig
n
a
lcu
rren
tge
ne
ra
to
r
Forward/reverse
Hall power supply voltage
output circuit
Output
d
rive
circuit
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