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US 11,695,328 B2Granted
Control circuit and switching converter
AssigneeSilergy Semiconductor Technology (Hangzhou) LTD
InventorsJian Deng, Jin Jin, Xuecheng Tian
Life of this patent
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Abstract
A control circuit for a switching converter, can include: a current compensation signal generating circuit configured to generate a current compensation signal based on a current sampling signal representing an inductor current; and a control signal generating circuit configured to adjust a current control parameter of a current control loop in the switching converter according to the current compensation signal, in order to increase power factor (PF) and reduce total harmonic distortion (THD).
Claims17
A control circuit for a switching converter, the control circuit comprising:
- a) a current compensation signal generating circuit configured to generate a current compensation signal based on a current sampling signal representing an inductor current;
- and
- b) a control signal generating circuit configured to add a correction value that is proportional to the current compensation signal to a current control parameter of a current control loop in the switching converter to adjust a conduction time of a main power switch, in order to increase power factor (PF) and reduce total harmonic distortion (THD).
Dependencies are inferred from the claim text.