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Registered SWITCH MODE POWER SUPPLY USING A RECONFIGURABLE DELTA-SIGMA MODULATOR AND METHOD OF DRIVING THE SAME

재구성 DSM을 이용한 스위치 모드 파워 서플라이
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Inventors
Cho Young Kyun, Seok Bong Hyun, Kim Cheol Ho, Park Bong Hyuk, Kim Myung Don
Application No.
16030929 (2018.07.10)
Publication No.
20190028027 (2019.01.24)
Registration No.
10418898 (2019.09.17)
Country
UNITED STATES
Project Code
17HF1400, Development on Semi-conductor based Smart Antenna for future mobile communications, Seok Bong Hyun
Abstract
The present disclosure a switched-mode power supply using a reconfigurable delta-signal modulator (DSM). The switched-mode power supply comprises, a current sensing unit configured to determine an operation mode on the basis of a result of sensing a current of an output terminal; a compensator configured to output a compensation signal by amplifying a difference value between an output voltage and a reference voltage; a reconfigurable DSM configured to output a digital signal by noise-shaping the compensation signal; a power switch unit switched by the digital signal to output an output voltage; and an attenuator configured to supply a feedback voltage of the output voltage attenuated by a voltage divider to the compensator.
KSP Keywords
Delta-Sigma Modulator, Digital Signal, Feedback voltage, Noise Shaping, Operation mode, Output Voltage, Power switch, Reference Voltage, Switch Mode, Switched-Mode Power Supply(SMPS), Switched-mode, Voltage Divider, current sensing, delta-sigma, difference value, mode power, power supply, sensing unit
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Status Patent Country KIPRIS
Registered 재구성 델타 시그마 모듈레이터를 이용한 스위치 모드 파워 서플라이 및 이의 구동 방법 KOREA KIPRIS