JP4768614B2 - 面積効率の高い電荷ポンプ - Google Patents
面積効率の高い電荷ポンプ Download PDFInfo
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- 239000003990 capacitor Substances 0.000 claims abstract description 111
- 230000004044 response Effects 0.000 claims abstract description 17
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- 239000003989 dielectric material Substances 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 19
- 238000012546 transfer Methods 0.000 description 9
- 238000007599 discharging Methods 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
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- 238000011982 device technology Methods 0.000 description 1
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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
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/02—Conversion of dc power input into dc power output without intermediate conversion into ac
- H02M3/04—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
- H02M3/06—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using resistors or capacitors, e.g. potential divider
- H02M3/07—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using resistors or capacitors, e.g. potential divider using capacitors charged and discharged alternately by semiconductor devices with control electrode, e.g. charge pumps
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C5/00—Details of stores covered by group G11C11/00
- G11C5/14—Power supply arrangements, e.g. power down, chip selection or deselection, layout of wirings or power grids, or multiple supply levels
- G11C5/145—Applications of charge pumps; Boosted voltage circuits; Clamp circuits therefor
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C5/00—Details of stores covered by group G11C11/00
- G11C5/14—Power supply arrangements, e.g. power down, chip selection or deselection, layout of wirings or power grids, or multiple supply levels
-
- 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
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/02—Conversion of dc power input into dc power output without intermediate conversion into ac
- H02M3/04—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
- H02M3/06—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using resistors or capacitors, e.g. potential divider
- H02M3/07—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using resistors or capacitors, e.g. potential divider using capacitors charged and discharged alternately by semiconductor devices with control electrode, e.g. charge pumps
- H02M3/073—Charge pumps of the Schenkel-type
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- Power Engineering (AREA)
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- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
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Description
Claims (15)
- 電圧を発生させる方法であって、
電源電圧VCCを出力するステップと、
個々のクロックサイクルを有するクロック信号を出力するステップと、
VCCにVCCを加算して、2* VCCにほぼ等しい第1の電圧信号を発生させるステップと、
前記第1の電圧信号にVCCを加算して、3* VCCにほぼ等しい第2の電圧信号を発生させるステップと、
前記第2の電圧信号を2倍にして、クロックサイクルに応答して6* VCCにほぼ等しい第3の電圧信号を発生させるステップと、を有する方法において、
前記方法は、逐次電圧を上げる段を備え、前記段は、段における個々のコンデンサがそれらの誘電体の両端にわたって印加される電圧が高くならないように構成され、ある段が電荷ポンプの入力電圧の数倍である電圧出力部を有する方法であっても、コンデンサ誘電体はほぼ電荷ポンプの入力電圧である電圧だけで済むように構成され、これにより、さらに薄いコンデンサ誘電体の利用が可能となり、高い電圧を維持する場合に比べてコンデンサ面積を狭くすることが可能となるステップと、を含むことを特徴とする面積効率の高い電圧を発生させる方法。 - 請求項1記載の方法において、
前記第3の電圧信号を2倍して、クロックサイクルに応答して12* VCCにほぼ等しい第4の電圧信号を発生させるステップをさらに有する方法。 - 請求項1記載の方法において、
クロック信号を出力するステップをさらに有し、
前記VCCにVCCを加算して、2* VCCにほぼ等しい第1の電圧信号を発生させるステップは、前記クロック信号の第1の位相中の2* VCCと前記クロック信号の第2の位相中のVCCにほぼ等しい前記第1の電圧信号を生じさせ、
前記第1の電圧信号にVCCを加算して、3* VCCにほぼ等しい第2の電圧信号を発生させるステップは、前記クロック信号の第1の位相中の3* VCCと前記クロック信号の第2の位相中のVCCにほぼ等しい前記第2の電圧信号を生じさせる方法。 - 請求項3記載の方法において、
前記第2の電圧信号を2倍にして、クロックサイクルに応答して6* VCCにほぼ等しい第3の電圧信号を発生させるステップは、前記クロック信号の第1の位相中の6* VCCと前記クロック信号の第2の位相中の3* VCCにほぼ等しい前記第3の電圧信号を発生させる方法。 - 請求項4記載の方法において、
前記第3の電圧信号を2倍して、クロックサイクルに応答して12* VCCにほぼ等しい第4の電圧信号を発生させるステップは、前記クロック信号の第1の位相中の12* VCCと前記クロック信号の第2の位相中の6* VCCにほぼ等しい前記第4の電圧信号を発生させる方法。 - 請求項5記載の方法において、
VCCを加算して、前記クロック信号の第2の位相中の2* VCCと前記クロック信号の第1の位相中のVCCにほぼ等しい第5の電圧信号を発生させるステップと、
前記第5の電圧信号にVCCを加算して、前記クロック信号の第2の位相中の3* VCCと前記クロック信号の第1の位相中のVCCにほぼ等しい第6の電圧信号を発生させるステップと、
をさらに有する方法。 - 請求項6記載の方法において、
前記第6の電圧信号を2倍にして、クロックサイクルに応答して前記クロック信号の第2の位相中の6* VCCと前記クロック信号の第1の位相中の3* VCCにほぼ等しい第7の電圧信号を発生させるステップをさらに有する方法。 - 請求項7記載の方法において、
前記第7の電圧信号を2倍にして、クロックサイクルに応答して前記クロック信号の第2の位相中の12* VCCと前記クロック信号の第1の位相中の6* VCCにほぼ等しい第8の電圧信号を発生させるステップをさらに有する方法。 - 電荷ポンプであって、
入力電圧VCCを受け取る第1の電圧加算器段であって、前記第1の電圧加算器段は、第1および第2の位相を有するクロック信号に応答して第1および第2の電圧信号を出力するように動作することができ、前記第1の電圧信号は、前記クロック信号の第1の位相中の2* VCCと前記クロック信号の第2の位相中のVCCにほぼ等しく、前記第2の電圧信号は、前記第1の電圧信号を相補する第1の電圧加算器段と、
前記入力電圧VCCと前記第1および第2の電圧信号を受け取る第2の電圧加算器段であって、前記第2の電圧加算器段は、前記クロック信号に応答して第3および第4の電圧信号を出力するように動作することができ、前記第3の電圧信号は、前記クロック信号の第1の位相中の3* VCCと前記クロック信号の第2の位相中のVCCにほぼ等しく、前記第4の電圧信号は、前記第3の電圧信号を相補する第2の電圧加算器段と、
前記第3および第4の電圧信号を受け取り、第5および第6の電圧信号を出力する第1の倍電圧器段と、を備える電荷ポンプにおいて、
前記電荷ポンプは、逐次電圧を上げる段を備え、前記段は、段における個々のコンデンサがそれらの誘電体の両端にわたって印加される電圧が高くならないように構成され、ある段が電荷ポンプの入力電圧の数倍である電圧出力部を有するとしても、コンデンサ誘電体はほぼ電荷ポンプの入力電圧である電圧だけで済むように構成され、これにより、さらに薄いコンデンサ誘電体の利用が可能となり、高い電圧を維持する場合に比べてコンデンサ面積を狭くすることが可能となる手段と、
を備え、面積効率を高くすることを特徴とする電荷ポンプ。 - 請求項9記載の電荷ポンプにおいて、
複数の倍電圧器段であって、K番目(整数K>0)の倍電圧器段は、前記(2* K+1)番目および前記(2* K+2)番目の電圧信号を受け取り、前記K番目の倍電圧器段は、前記クロック信号に応答して前記(2* K+3)番目および前記(2* K+4)番目の電圧信号を出力するように動作することができ、前記(2* K+3)番目の電圧信号は、前記クロック信号の第1の位相中の3* 2K*VCCと前記クロック信号の第2の位相中の3* 2(K-1)*VCCにほぼ等しく、前記(2* K+4)番目の電圧信号は、前記(2* K+3)番目の電圧信号を相補する複数の倍電圧器段をさらに備える電荷ポンプ。 - 請求項9記載の電荷ポンプにおいて、
前記第1の電圧加算器段は、第1のコンデンサを備え、前記電荷ポンプは、前記クロック信号に応答して前記クロック信号の第2の位相中の入力電圧VCCと並列の第1のコンデンサを充電し、前記充電された第1のコンデンサを前記クロック信号の第1の位相中の入力電圧VCCと直列に結合するように構成されることによって、前記第1のコンデンサが、前記第1の電圧信号を出力することができる電荷ポンプ。 - 請求項11記載の電荷ポンプにおいて、
前記第1の電圧加算器段が、第2のコンデンサを備え、前記電荷ポンプは、前記クロック信号に応答して前記クロック信号の第1の位相中の入力電圧VCCと並列の第2のコンデンサを充電し、前記充電された第2のコンデンサを前記クロック信号の第2の位相中の入力電圧VCCと直列に結合するように構成されることによって、前記第2のコンデンサが、前記第2の電圧信号を出力することができる電荷ポンプ。 - 請求項12記載の電荷ポンプにおいて、
前記第2の電圧加算器段が、第3のコンデンサを備え、前記電荷ポンプは、前記クロック信号に応答して前記クロック信号の第2の位相中の入力電圧VCCと並列の第3のコンデンサを充電し、前記充電された第3のコンデンサを前記クロック信号の第1の位相中の第1の電圧信号と直列に結合するように構成されることによって、前記第3のコンデンサが、前記第3の電圧信号を出力することができる電荷ポンプ。 - 請求項13記載の電荷ポンプにおいて、
前記第2の電圧加算器段が、第4のコンデンサを備え、前記電荷ポンプは、前記クロック信号に応答して前記クロック信号の第1の位相中の入力電圧VCCと並列の第4のコンデンサを充電し、前記充電された第4のコンデンサを前記クロック信号の第2の位相中の第2の電圧信号と直列に結合するように構成されることによって、前記第4のコンデンサが、前記第4の電圧信号を出力することができる電荷ポンプ。 - 請求項9記載の電荷ポンプにおいて、
前記第2の電圧加算器段が、誘電体層を有する少なくとも1つのコンデンサを備え、前記電荷ポンプは、前記誘電体層の両端にわたる、前記電荷ポンプの入力電圧VCCを上回らない2以上の電圧を出力する電荷ポンプ。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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US10/636,839 | 2003-08-07 | ||
US10/636,839 US6922096B2 (en) | 2003-08-07 | 2003-08-07 | Area efficient charge pump |
PCT/US2004/024064 WO2005017902A1 (en) | 2003-08-07 | 2004-07-27 | Area efficient charge pump |
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Publication Number | Publication Date |
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JP2007502096A JP2007502096A (ja) | 2007-02-01 |
JP2007502096A5 JP2007502096A5 (ja) | 2007-08-30 |
JP4768614B2 true JP4768614B2 (ja) | 2011-09-07 |
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JP2006522598A Expired - Fee Related JP4768614B2 (ja) | 2003-08-07 | 2004-07-27 | 面積効率の高い電荷ポンプ |
Country Status (9)
Country | Link |
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US (2) | US6922096B2 (ja) |
EP (1) | EP1652189B8 (ja) |
JP (1) | JP4768614B2 (ja) |
KR (1) | KR101039236B1 (ja) |
CN (1) | CN1856834B (ja) |
AT (1) | ATE373308T1 (ja) |
DE (1) | DE602004008935T2 (ja) |
TW (1) | TWI266170B (ja) |
WO (1) | WO2005017902A1 (ja) |
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- 2004-07-27 DE DE602004008935T patent/DE602004008935T2/de not_active Expired - Lifetime
- 2004-07-27 KR KR1020067002634A patent/KR101039236B1/ko active IP Right Grant
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- 2004-07-27 JP JP2006522598A patent/JP4768614B2/ja not_active Expired - Fee Related
- 2004-07-27 CN CN2004800278897A patent/CN1856834B/zh not_active Expired - Fee Related
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- 2004-08-06 TW TW093123747A patent/TWI266170B/zh not_active IP Right Cessation
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Also Published As
Publication number | Publication date |
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JP2007502096A (ja) | 2007-02-01 |
WO2005017902A1 (en) | 2005-02-24 |
US20050237103A1 (en) | 2005-10-27 |
US20050030088A1 (en) | 2005-02-10 |
US7113023B2 (en) | 2006-09-26 |
EP1652189A1 (en) | 2006-05-03 |
DE602004008935T2 (de) | 2008-04-30 |
EP1652189B1 (en) | 2007-09-12 |
KR101039236B1 (ko) | 2011-06-07 |
TWI266170B (en) | 2006-11-11 |
KR20060052973A (ko) | 2006-05-19 |
TW200517805A (en) | 2005-06-01 |
WO2005017902A9 (en) | 2005-05-19 |
ATE373308T1 (de) | 2007-09-15 |
EP1652189B8 (en) | 2008-02-13 |
CN1856834A (zh) | 2006-11-01 |
US6922096B2 (en) | 2005-07-26 |
DE602004008935D1 (de) | 2007-10-25 |
CN1856834B (zh) | 2011-09-07 |
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