BUCK-BOOST BASED HIGH LINEARITY DRIVER WITH SEPARATELY CONTROLLABLE DUTY CYCLE FOR ENERGIZING AND DE-ENERGIZING PHASES
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United States of America
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Issued Date -
Mar 20, 2025
app pub date -
Sep 19, 2023
filing date -
Sep 19, 2023
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Abstract
A variable de-energizing phase duty cycle Dd is generated based on an input signal to optimize for a low duty cycle in a freewheeling phase. A variable energizing phase duty cycle De is generated based on a buck-boost control loop tracking the input signal. A tri-state buck-boost converter is controlled using the variable energizing phase duty cycle De and the variable de-energizing phase duty cycle Dd.
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