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参数资料
| 型号： | LB11985H |
| 元件分类： | 运动控制电子 |
| 英文描述： | BRUSHLESS DC MOTOR CONTROLLER, 1.5 A, PDSO28 |
| 封装： | HSOP-28 |
| 文件页数： | 5/9页 |
| 文件大小： | 157K |
| 代理商： | LB11985H |
No. 6209-5/9
LB11985H
FC
FG
IN
+
U
OUT
V
OUT
W
OUT
Bandgap
1.2V
U
IN
+
U
IN
–
V
IN
+
V
IN
–
W
IN
–
W
IN
+
FR
CTLREF
CTL
BR
V
CC
RF(SENSE)
VS1
FG
IN
–
FG
OUT
FGS
5
k
5
k
150
k
RF(PWR)
LIM
MCOM
SL
VS2
GND
ADJ
GSENSE
Block Diagram
Forward/
reverse
switching
FG
amplifier
Hall input synthesis block (linear matrix)
Reference
voltage
Differential
distribution
and
torque
ripple
correction
block
Logarithmic conversion and
differential distribution
Control
amplifier
Synthesized output logarithmic
compression block
Feedback
amplifier
Short
braking
Upper
side
saturation
prevention
control
Drive
distribution
circuit
and
lower
side
saturation
prevention
control
Full-wave/half-wave
switching
Schmitt
amplifier
TSD
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