Using Duty Cycle To Detect Power Supply Overload (Part 3): Accounting For A Variable Input Voltage
by Gregory Mirsky, Continental Automotive Systems, Deer Park, Ill., How2Power Today, Jun 15 2017
Focus:
Part 3 in this article series on using duty cycle as a means of detecting overloads in
an SMPS extends the concept from the case where input voltage is fixed to the case
where input voltage varies over a wide range. In this latter case, the reference
threshold voltage used to detect overload must change. This article describes a method
for making this adjustment of the reference threshold value.
What you’ll learn:
- How to use duty cycle to detect overloads in PWM-based power converters
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