1
Rengang Chen, James Steven Brown: Multi-mode switching control circuit and method for improving light load efficiency in switching power supplies. International Rectifier Corporation, Farjami & Farjami, July 13, 2010: US07755342 (23 worldwide citation)

A circuit for transitioning between a discontinuous and a fixed frequency continuous conduction mode (DCM) and (CCM) of a power converter having a driver receiving PWM signals and controlling a switching stage comprises a control switch and a sync switch connected at a common switching node for driv ...


2
Scott E Ragona, Rengang Chen, David Jauregui: Systems and methods for real time current sense for a switching converter. Texas Instruments Incorporated, William B Kempler, Frederick J Telecky Jr, October 21, 2014: US08866464 (1 worldwide citation)

Systems and methods for regulating a switching converter are disclosed. One embodiment of the present invention relates to a power supply system that includes a switching converter that provides an output voltage by alternately turning on and off a high-side transistor and a low-side transistor both ...


3
Scott E Ragona, Rengang Chen, David Jauregui: Systems and methods for real-time inductor current simulation for a switching converter. TEXAS INSTRUMENTS INCORPORATED, Tuenlap D Chan, Charles A Brill, Frank D Cimino, May 8, 2018: US09966855

A switching converter having a high-side switching transistor and a low-side switching transistor and an inductor, having a circuit for generating a simulated waveform representing a sawtooth inductor current waveform. A circuit for monitoring and voltage at a switch node between the high-side and l ...


4
Rengang Chen, James Steven Brown: Method and apparatus for improving light load efficiency in switching power supplies. Ostrolenk Faber Gerb & Soffen, February 21, 2008: US20080042709-A1

A circuit for transitioning between a discontinuous and a fixed frequency continuous conduction mode (DCM) and (CCM) of a power converter having a driver receiving PWM signals and controlling a switching stage comprises a control switch and a sync switch connected at a common switching node for driv ...