BLDC(Brushless DC) DC
! " . # $
%& '( )* +& * ,-! , ,-. /0 123
45!6 78 9: ;< =>? @"
BLDCBLDC
A B , 1 CD3 E(! * ( )* , Photo Diode)
F!6 CD& GH3 IJK L MN O PQ3 RST !U" .
 
(12 ) Z [ST 1 9\" .
8] & GH^O 3 X _ 4 X `a (Inverter) 3 F! " .
bc *& /dSZ efgh ij 6 Mk& l= mng " . Po
pH$X qr stM 11& l=3 'u vw< M (Disk or Flt M )
xyo zF[ {| " .
BLDCBLDC
2. yZ F!" .
#. Š/0 F!} ‹Z '(ˆn ySˆnZ Z‡!" .
BLDCBLDC & Œ& Œ
BLDCBLDC
$%3 F!} ‹Q ˆ " .
8] ‘’“ %3 F” j Š– ;<Z €f—
" . I3 ƒ˜!1 '!6 ™;B %3 F!h š
F ef—" .
 
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#
  !"# $% &'
'( )* Ring Winding delta connection
12
A BC ,DE F Logic sequence G F
HI J+0 <=+ K# LM
J: NO P
+Y Z+ [O\ +Y ]+^_ .
Controller de HI , , 57G f[g ch= G ij
Gate Drier !o"er Deice #n/#$$ SE ij
!o"er Deice kl:= de: CE +m_ . Tr, FET, IGBT 3
BLDCBLDC
 
BLDC&
 
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¦“ /0 AS¦“ /0 AS
VCC 5V
 
Commutation signal