4-3-6. BOOTSTRAP Charging Area
1) It is the charging circuit that 1GBT of SPM can On/Off securely.
This circuit stores the power voltage to operate High-Side Power Switch of SPM and is constituted as 3
Capacitors and charges the capacitors by turning the Low-Side Power Switch "On" just before starting the motor
for a certain period of time (1000ms).
102
TROUBLESHOOTING
4-3-5. Comp Operating Signal Area
1) It is the circuit which receives COMP operating signal (200HZ ~ 400HZ) from Main PCB and controls the RPM
of the Inverter Comp.
AW3 SM-EN 2011.3.31 2:56 PM 페 이 지 1 0 2 i n
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