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Verfügbare Sprachen
6.
Rotor Magnetic Pole Position Detection Circuit
Fig. 6-1
Rotor Magnetic Pole Position Detection Circuit
=
S
y
GND
+12V
-SV
+5V
Fig. 6-2
HIC internal Circuit
|
Period T
Micro computer (@ A
Micro computer (9 B
|
|
|
Micro computer @0) C
|
|
|
puts
Position
detection
in
@ At
|
|
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E
to
5
@ Bt
|
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a
a
7)
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e
@ ct
|
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2
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2
@ Am
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oO
£
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aca (ee,
Fig. 6-3
@
The rotor magnetic pole position detection cirucit detects the position of the permanent magnet used
for the compressor's rotor to produce power module drive signals.
@
Fig. 6-3
shows the relationship between the position detection signals and upper/lower arm drive
signals.
@
The basic circuit is configured so the peak current is cut off when the voltage drops abruptly and main
parts components are integrated into a hybrid IC.
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