H - Electricity – 02 – P
Patent
H - Electricity
02
P
321/29
H02P 13/00 (2006.01) H02M 3/00 (2006.01)
Patent
CA 1157517
D-22214 CURRENT LIMITER FOR SWITCHED DC-TO-DC CONVERTER by NEALE A. ZELLMER ABSTRACT OF THE DISCLOSURE A switched DC-to-DC converter in a power supply is powered by input line current from an external power source and driven by voltage pulses from a variable duty cycle pulse width modulator for converting a DC input voltage to a DC supply voltage of a different value that is applied to a load impedance. A comparator monitors the supply voltage for producing an error voltage that biases the modulator for adjusting the width of the voltage pulses, and thus the duty cycle of the converter, for maintaining the supply voltage relatively constant. An RC circuit integrates the voltage pulses for producing an indication of the average value thereof, which is directly related to the value of line current drawn by the converter. When the average value of voltage pulses exceeds a reference voltage, the value of bias voltage is limited for establishing the maximum width of voltage pulses and duty cycle of the converter, and thereby limit the the maximum line current drawn by the power supply.
364049
Gte Automatic Electric Incorporated
R. William Wray & Associates
LandOfFree
Current limiter for switched dc-to-dc converter does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Current limiter for switched dc-to-dc converter, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Current limiter for switched dc-to-dc converter will most certainly appreciate the feedback.
Profile ID: LFCA-PAI-O-817878