Power supply module and soft start method
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United States of America Patent
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Dec 19, 2017
Issued Date -
N/A
app pub date -
Mar 25, 2014
filing date -
Mar 28, 2013
priority date (Note) -
In Force
status (Latency Note)
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Abstract
Embodiments of the present invention provide a power supply module and a soft start method. The power supply module includes an input detection circuit configured to output a first notification signal to a trigger drive circuit when it is determined that the power supply module receives a power supply signal; the trigger drive circuit configured to, upon receipt of the first notification signal sent from the input detection circuit, wait for a predetermined duration without sending a drive signal to a current limiting circuit, and to send the driver signal to the current limiting circuit when the predetermined duration elapses; and the current limiting circuit configured to limit a current on a Direct Current (DC) bus of the power supply module when the drive signal is not received by the current limiting circuit, and not to limit the current on the DC bus upon receipt of the drive signal.
First Claim
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International Classification(s)
- H03K:PULSE TECHNIQUE
- H01R:ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL AS....
- G05F:SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIAB....
- G01R:MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC V....
- H01H:ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PR....
- B60L:ELECTRIC EQUIPMENT OR PROPULSION OF ELECTRICALLY-P....
- H02H:EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
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