JP6804364B2 - 整流回路および電子装置 - Google Patents
整流回路および電子装置 Download PDFInfo
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- JP6804364B2 JP6804364B2 JP2017064664A JP2017064664A JP6804364B2 JP 6804364 B2 JP6804364 B2 JP 6804364B2 JP 2017064664 A JP2017064664 A JP 2017064664A JP 2017064664 A JP2017064664 A JP 2017064664A JP 6804364 B2 JP6804364 B2 JP 6804364B2
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- rectifier circuit
- voltage
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- control signal
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS 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
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/02—Conversion of ac power input into dc power output without possibility of reversal
- H02M7/04—Conversion of ac power input into dc power output without possibility of reversal by static converters
- H02M7/12—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/21—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M7/217—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
- G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
- G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
- G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
- G06K19/0701—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips at least one of the integrated circuit chips comprising an arrangement for power management
- G06K19/0707—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips at least one of the integrated circuit chips comprising an arrangement for power management the arrangement being capable of collecting energy from external energy sources, e.g. thermocouples, vibration, electromagnetic radiation
- G06K19/0708—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips at least one of the integrated circuit chips comprising an arrangement for power management the arrangement being capable of collecting energy from external energy sources, e.g. thermocouples, vibration, electromagnetic radiation the source being electromagnetic or magnetic
- G06K19/0709—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips at least one of the integrated circuit chips comprising an arrangement for power management the arrangement being capable of collecting energy from external energy sources, e.g. thermocouples, vibration, electromagnetic radiation the source being electromagnetic or magnetic the source being an interrogation field
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
- G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
- G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
- G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
- G06K19/0723—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips the record carrier comprising an arrangement for non-contact communication, e.g. wireless communication circuits on transponder cards, non-contact smart cards or RFIDs
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS 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
- H02M1/00—Details of apparatus for conversion
- H02M1/08—Circuits specially adapted for the generation of control voltages for semiconductor devices incorporated in static converters
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Rectifiers (AREA)
- Semiconductor Integrated Circuits (AREA)
Description
2 オシレータ
3 コンパレータ
4 デジタルタイマ
5 パルス発生器
6 タイミング制御回路
7 昇圧回路
8 切り替え回路
100,200,300 整流回路
150 RFIDタグ
151 アンテナ
152 シャント回路
153 復調回路
154 変調回路
155 クロック生成回路
156 ロジック回路
157 メモリ回路
500 制御信号生成部
C1,C2,C10 容量
M0,M1,M2,Q2 pチャネル型MOS(pMOS)トランジスタ
Q1 nチャネル型MOS(nMOS)トランジスタ
VDD 電源電圧
Vin 入力電圧
Vout,Vout' 出力電圧
Claims (13)
- 交流の入力電圧の接続および遮断をスイッチ素子により制御して出力電圧を生成する整流回路であって、
前記スイッチ素子は、nチャネル型MOSトランジスタであり、
前記整流回路は、さらに、
前記nチャネル型MOSトランジスタのしきい値電圧よりも高い電圧のゲート制御信号を生成し、前記nチャネル型MOSトランジスタのゲートに印加する昇圧回路と、
前記nチャネル型MOSトランジスタの接続および遮断を制御する制御信号を生成して、前記昇圧回路に出力する制御信号生成部と、を有し、
前記入力電圧のピーク部分で前記スイッチ素子の接続を行い、
前記制御信号生成部は、
アナログパルスを発生するパルス発生器と、
クロックを発生するオシレータと、
前記クロックに基づいてデジタル信号を生成するデジタルタイマと、を有する、
ことを特徴とする整流回路。 - 前記制御信号生成部は、さらに、
前記出力電圧および前記制御信号を受け取り、前記制御信号を遅延した信号を生成して前記昇圧回路に出力するタイミング制御回路を有する、
ことを特徴とする請求項1に記載の整流回路。 - 前記制御信号生成部は、さらに、
参照電圧を発生する参照電圧発生器と、
前記入力電圧と前記参照電圧を比較するコンパレータと、を有し、
前記パルス発生器は、前記出力電圧および前記コンパレータの出力信号に基づいて前記アナログパルスを発生し、
前記デジタルタイマは、前記クロックと共に、前記出力電圧および前記コンパレータの出力信号に基づいて前記デジタル信号を生成する、
ことを特徴とする請求項1または請求項2に記載の整流回路。 - 前記デジタルタイマは、さらに、
前記制御信号の生成を、前記アナログパルスに基づいて行うか、或いは、前記デジタル信号に基づいて行うかを規定するイネーブル信号を生成する、
ことを特徴とする請求項3に記載の整流回路。 - 前記制御信号生成部は、さらに、
前記イネーブル信号に基づいて、電源の立ち上がり直後では、前記アナログパルスに基づいて前記制御信号を生成し、前記オシレータの発振周波数が安定した後では、前記デジタル信号に基づいて前記制御信号を生成するように切り替える切り替え回路を有する、
ことを特徴とする請求項4に記載の整流回路。 - 前記デジタル信号に基づくデジタル制御は、前記アナログパルスに基づくアナログ制御よりも、前記入力電圧のピークに近い部分で前記nチャネル型MOSトランジスタを接続する、
ことを特徴とする請求項5に記載の整流回路。 - 前記デジタルタイマは、
前記オシレータで発生した前記クロックをカウントするカウンタを有し、
前記カウンタによるカウント値に基づいて、前記デジタル信号を生成する、
ことを特徴とする請求項6に記載の整流回路。 - 前記参照電圧発生器は、複数の電圧レベルに切り替えて前記参照電圧を発生する、
ことを特徴とする請求項3乃至請求項7のいずれか1項に記載の整流回路。 - 前記参照電圧発生器は、前記出力電圧の上昇に伴って、前記出力電圧に近い電圧レベルに切り替えて前記参照電圧を発生する、
ことを特徴とする請求項8に記載の整流回路。 - 前記昇圧回路は、
前記出力電圧および前記制御信号を遅延した信号に基づいて、前記ゲート制御信号を生成する、
ことを特徴とする請求項1乃至請求項9のいずれか1項に記載の整流回路。 - さらに、
前記出力電圧を平滑化する容量を有する、
ことを特徴とする請求項1乃至請求項10のいずれか1項に記載の整流回路。 - 請求項1乃至請求項11のいずれか1項に記載の整流回路を有する、
ことを特徴とする電子装置。 - 前記電子装置は、RFIDタグであり、
前記入力電圧は、リーダが発する電波に基づく電圧である、
ことを特徴とする請求項12に記載の電子装置。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017064664A JP6804364B2 (ja) | 2017-03-29 | 2017-03-29 | 整流回路および電子装置 |
US15/889,538 US10432107B2 (en) | 2017-03-29 | 2018-02-06 | Rectifier circuit and electronic device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017064664A JP6804364B2 (ja) | 2017-03-29 | 2017-03-29 | 整流回路および電子装置 |
Publications (3)
Publication Number | Publication Date |
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JP2018170822A JP2018170822A (ja) | 2018-11-01 |
JP2018170822A5 JP2018170822A5 (ja) | 2020-01-16 |
JP6804364B2 true JP6804364B2 (ja) | 2020-12-23 |
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Family Applications (1)
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JP2017064664A Active JP6804364B2 (ja) | 2017-03-29 | 2017-03-29 | 整流回路および電子装置 |
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US (1) | US10432107B2 (ja) |
JP (1) | JP6804364B2 (ja) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11075585B2 (en) | 2019-01-24 | 2021-07-27 | Hisense Visual Technology Co., Ltd. | Synchronous rectification circuit and display device |
CN111478566B (zh) * | 2019-01-24 | 2022-12-13 | 海信视像科技股份有限公司 | 同步整流电路及显示装置 |
TWI697257B (zh) * | 2019-06-28 | 2020-06-21 | 聚積科技股份有限公司 | 補償式電流校正裝置 |
EP3816860B1 (en) * | 2019-11-01 | 2023-01-18 | Nxp B.V. | Rfid transponder and method of operating an rfid transponder |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03218264A (ja) | 1990-01-24 | 1991-09-25 | Mitsubishi Electric Corp | 整流装置 |
FR2752076B1 (fr) | 1996-08-05 | 1998-09-11 | Inside Technologies | Systeme d'alimentation electrique pour microcircuit a fonctionnement mixte, avec ou sans contact |
JP4059874B2 (ja) | 2004-09-30 | 2008-03-12 | 富士通株式会社 | 整流回路 |
JP4314258B2 (ja) * | 2006-09-28 | 2009-08-12 | 株式会社東芝 | 整流回路およびこれを用いた無線通信装置 |
KR101537896B1 (ko) * | 2014-03-14 | 2015-07-20 | 성균관대학교산학협력단 | 역전류 누설을 줄일 수 있는 능동형 정류기 및 이를 이용한 무선 전력 수신 장치 |
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- 2017-03-29 JP JP2017064664A patent/JP6804364B2/ja active Active
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- 2018-02-06 US US15/889,538 patent/US10432107B2/en active Active
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Publication number | Publication date |
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JP2018170822A (ja) | 2018-11-01 |
US10432107B2 (en) | 2019-10-01 |
US20180287507A1 (en) | 2018-10-04 |
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