參數(shù)資料
型號(hào): LB1987M
元件分類(lèi): 運(yùn)動(dòng)控制電子
英文描述: BRUSHLESS DC MOTOR CONTROLLER, 1.3 A, PDSO36
封裝: MFP-36
文件頁(yè)數(shù): 2/17頁(yè)
文件大?。?/td> 274K
代理商: LB1987M
Block Diagram
No. 6109-10/17
LB1987, 1987D, 1987M, 1987H
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LIMREF
TSD
Bandgap
1.2
V
5k
Ω
VS
U
OUT
V
OUT
W
OUT
RF(PWR)
FGS
FG
OUT
FG
IN
FG
IN
+
RF(SENSE)
V
CC
LIM
CTL
CTLREF
FR
W
IN
W
IN
+
V
IN
V
IN
+
U
IN
U
IN
+
FC
A12213
Hall input synthesis block (Linear matrix)
Control
amplifier
1
Feedback
amplifier
Upper
side
saturation
prevention
control
Schmitt
amplifier
FG
amplifier
Drive
distribution
circuit
and
lower
side
saturation
prevention
control
Control
amplifier
2
Synthesized output logarithmic compression
Inverse logarithmic conversion
and differential distribution
Forward/
reverse
selection
Differential
distribution
and
torque
ripple
correction
block
Reference
voltage
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