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1. WO2020089725 - POWER SUPPLY CIRCUIT AND SEMICONDUCTOR DEVICE EQUIPPED WITH SAID POWER SUPPLY CIRCUIT

Publication Number WO/2020/089725
Publication Date 07.05.2020
International Application No. PCT/IB2019/058933
International Filing Date 21.10.2019
IPC
H02M 3/155 2006.01
HELECTRICITY
02GENERATION, CONVERSION, OR DISTRIBUTION OF ELECTRIC POWER
MAPPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
3Conversion of dc power input into dc power output
02without intermediate conversion into ac
04by static converters
10using discharge tubes with control electrode or semiconductor devices with control electrode
145using devices of a triode or transistor type requiring continuous application of a control signal
155using semiconductor devices only
H02M 3/157 2006.01
HELECTRICITY
02GENERATION, CONVERSION, OR DISTRIBUTION OF ELECTRIC POWER
MAPPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
3Conversion of dc power input into dc power output
02without intermediate conversion into ac
04by static converters
10using discharge tubes with control electrode or semiconductor devices with control electrode
145using devices of a triode or transistor type requiring continuous application of a control signal
155using semiconductor devices only
156with automatic control of output voltage or current, e.g. switching regulators
157with digital control
H01L 29/786 2006.01
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
LSEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
29Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having at least one potential-jump barrier or surface barrier; Capacitors or resistors with at least one potential-jump barrier or surface barrier, e.g. PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof
66Types of semiconductor device
68controllable by only the electric current supplied, or only the electric potential applied, to an electrode which does not carry the current to be rectified, amplified, or switched
76Unipolar devices
772Field-effect transistors
78with field effect produced by an insulated gate
786Thin-film transistors
Applicants
  • 株式会社半導体エネルギー研究所 SEMICONDUCTOR ENERGY LABORATORY CO., LTD. [JP]/[JP]
Inventors
  • 高橋 圭 TAKAHASHI, Kei
  • 青木 健 AOKI, Takeshi
Priority Data
2018-20731902.11.2018JP
Publication Language Japanese (JA)
Filing Language Japanese (JA)
Designated States
Title
(EN) POWER SUPPLY CIRCUIT AND SEMICONDUCTOR DEVICE EQUIPPED WITH SAID POWER SUPPLY CIRCUIT
(FR) CIRCUIT D'ALIMENTATION ÉLECTRIQUE ET DISPOSITIF À SEMI-CONDUCTEUR ÉQUIPÉ DUDIT CIRCUIT D'ALIMENTATION ÉLECTRIQUE
(JA) 電源回路、および当該電源回路を備えた半導体装置
Abstract
(EN)
Provided is a power supply circuit having a novel configuration. The power supply circuit has: a power conversion circuit for supplying power to a load; a current detection circuit for generating a first signal having information of the current flowing through the load; a voltage detection circuit for generating a second signal having information of a voltage applied to the load; a digital filter; a digital/analog conversion circuit for receiving a signal output from the digital filter; and a sample/hold circuit for holding a signal output from the digital/analog conversion circuit. The power supply circuit also has: a correction circuit for generating a third signal obtained by correcting the second signal; a selection circuit for selecting the first signal or the third signal; an output circuit for generating, in accordance with the signal selected by the selection circuit, an output signal for controlling the power conversion circuit; and a control signal generation circuit for controlling switching between a first operation in which the output signal based on the first signal and the third signal are generated and a second operation in which the output signal based on the third signal is generated.
(FR)
L'invention concerne un circuit d'alimentation électrique ayant une nouvelle configuration. Le circuit d'alimentation électrique comprend : un circuit de conversion de puissance pour fournir de la puissance à une charge; un circuit de détection de courant pour générer un premier signal véhiculant des informations sur le courant circulant dans la charge; un circuit de détection de tension pour générer un deuxième signal véhiculant des informations sur une tension appliquée à la charge; un filtre numérique; un circuit de conversion numérique/analogique pour recevoir un signal délivré par le filtre numérique; et un circuit d'échantillonnage et maintien pour maintenir un signal délivré par le circuit de conversion numérique/analogique. Le circuit d'alimentation électrique comprend également : un circuit de correction pour générer un troisième signal obtenu par correction du deuxième signal; un circuit de sélection pour sélectionner le premier signal ou le troisième signal; un circuit de sortie pour générer, en fonction du signal sélectionné par le circuit de sélection, un signal de sortie destiné à commander le circuit de conversion de puissance; et un circuit de génération de signal de commande pour commander la commutation entre une première opération dans laquelle le signal de sortie basé sur le premier signal et le troisième signal sont générés et une deuxième opération dans laquelle le signal de sortie basé sur le troisième signal est généré.
(JA)
新規な構成の電源回路の提供。負荷に電力を供給する電力変換回路と、前記負荷を流れる電流の情報を有する第1の信号を生成する電流検出回路と、負荷に印加される電圧の情報を有する第2の信号を生成する電圧検出回路と、デジタルフィルタと、デジタルフィルタから出力される信号が入力されるデジタルアナログ変換回路と、デジタルアナログ変換回路から出力される信号を保持するためのサンプルホールド回路と、を有し、第2の信号を補正した第3の信号を生成する補正回路と、第1の信号または第3の信号を選択する選択回路と、選択回路で選択された信号に応じて、電力変換回路を制御するための出力信号を生成する出力回路と、第1の信号に応じた出力信号の生成と第3の信号の生成とを行う第1動作と、第3の信号に応じた出力信号の生成を行う第2動作と、を切り替える制御を行う制御信号生成回路と、を有する。
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