MP161 – INTEGRATED POWER SOLUTION FOR HOME/INDUSTRIAL AUTOMATION
FLOW CHART
Power On
Y
N
HV Current Source
On
VCC < VCCPRO
Y
N
VCC<VHVON
Y
VCC<VCCL
N
Stop Operation
Y
Y
N
N
OVP, TSD,
SCP Fault
?
Counts to 8192 ?
Shut Down
HV Current Source
N
Y
VCC>VHVOFF
Y
OLP Counter +1
Y
Normal
Operation ?
N
TON = TMINOFF
?
N
Reset Counter
Soft Start
N
VFB >2.5 ?
N
STBY = 1 ?
Y
Y
Turn On the
MOSFET
Soft Start
N
IDS > IPEAK
Y
?
Regulate
VOUT = VCC = VSTBY
N
Y
Turn Off the
MOSFET
STBY = 0 ?
Figure 8: Control Flow Chart
MP161 Rev. 1.0
8/4/2017
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