JP2005210119A - 両方向高電圧スイッチング素子及びこれを含むエネルギー回収回路 - Google Patents
両方向高電圧スイッチング素子及びこれを含むエネルギー回収回路 Download PDFInfo
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- H03K17/687—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices the devices being field-effect transistors
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Abstract
【解決手段】高電圧で両方向に電流が流れるnチャネル二重拡散MOSトランジスタとpチャネル二重拡散MOSトランジスタとを備える両方向高電圧スイッチング素子及びこれを効果的に駆動して容量性負荷の充放電とき消費されるエネルギーを減少させるエネルギー回収回路が提供される。本発明に従う両方向高電圧スイッチング素子は、対称形nチャネル二重拡散MOSトランジスタと対称形pチャネル二重拡散MOSトランジスタが並列に連結されている。本発明に従うエネルギー回収回路は、プルアップ素子と、プルダウン素子と、エネルギー回収キャパシタ及び両方向高電圧スイッチング素子と、を含む。これにより、容量性負荷の充放電とき消費されるエネルギーを減少させ得る。
【選択図】図8
Description
450:pチャネル二重拡散MOSトランジスタ
510,512:ボディーダイオード
560,562:ボディーダイオード
700,750:両方向高電圧スイッチング素子
710,712:ダイオード
760,762:ダイオード
Claims (16)
- ドレーンとソースが対称的に形成されている対称形nチャネル二重拡散MOSトランジスタと、
ドレーンとソースが対称的に形成されている対称形pチャネル二重拡散MOSトランジスタと、
を含み、
前記対称形nチャネル二重拡散MOSトランジスタと前記対称形pチャネル二重拡散MOSトランジスタが並列に連結されていること
を特徴とする両方向高電圧スイッチング素子。 - 前記nチャネル二重拡散MOSトランジスタは、第1sの電極と、第1gの電極と、第1dの電極と、を備え、前記第1gの電極に電圧が印加されて前記第1sの電極と前記第1dの電極が導通する場合に前記第1sの電極に印加される電圧と前記第1dの電極に印加される電圧に応じて前記第1sの電極から前記第1dの電極へ電流が流れるか、或いは前記第1dの電極から前記第1sの電極へ電流が流れ、
前記pチャネル二重拡散MOSトランジスタは、第2sの電極と、第2gの電極と、第2dの電極と、を備え、前記第2gの電極に電圧が印加されて前記第2sの電極と前記第2dの電極が導通する場合に前記第2sの電極に印加される電圧と前記第2dの電極に印加される電圧に応じて前記第2sの電極から前記第2dの電極へ電流が流れるか、或いは前記第2dの電極から前記第2sの電極へ電流が流れ、
前記第1sの電極と前記第2sの電極が連結されており、前記第1dの電極と前記第2dの電極が連結されている、
ことを特徴とする請求項1に記載の両方向高電圧スイッチング素子。 - 前記第1gの電極に印加される電圧と前記第2gの電極に印加される電圧は、相補的なことを特徴とする請求項2に記載の両方向高電圧スイッチング素子。
- 電源電圧端と出力ノードとの間に連結されており、前記出力ノードに電源電圧を伝達するプルアップ素子と、
接地電圧端と前記出力ノードとの間に連結されており、前記出力ノードに接地電圧を伝達するプルダウン素子と、
前記出力ノードと前記接地電圧端との間に連結されているエネルギー回収キャパシタと、
前記出力ノードと前記エネルギー回収キャパシタとの間に連結された両方向高電圧スイッチング素子と、
を含むことを特徴とするエネルギー回収回路。 - 前記両方向高電圧スイッチング素子は、ドレーンとソースが対称的に形成されている対称形nチャネル二重拡散MOSトランジスタと、ドレーンとソースが対称的に形成されている対称形pチャネル二重拡散MOSトランジスタと、を含み、
前記対称形nチャネル二重拡散MOSトランジスタと前記対称形pチャネル二重拡散MOSトランジスタが並列に連結されていること
を特徴とする請求項4に記載のエネルギー回収回路。 - 前記両方向高電圧スイッチング素子は、ストローブ信号のハイ状態の時間又は前記ストローブ信号のロー状態の時間により活性化される時間が調節されることを特徴とする請求項4に記載のエネルギー回収回路。
- 前記両方向高電圧スイッチング素子は、
第1sの電極と、第1gの電極と、第1dの電極と、を備え、前記第1gの電極に電圧が印加されて前記第1sの電極と前記第1dの電極が導通する場合に前記第1sの電極に印加される電圧と前記第1dの電極に印加される電圧に応じて前記第1sの電極から前記第1dの電極へ電流が流れるか、或いは前記第1dの電極から前記第1sの電極へ電流が流れるnチャネル二重拡散MOSトランジスタと、
第2sの電極と、第2gの電極と、第2dの電極と、を備え、前記第2gの電極に電圧が印加されて前記第2sの電極と前記第2dの電極が導通する場合に前記第2sの電極に印加される電圧と前記第2dの電極に印加される電圧に応じて前記第2sの電極から前記第2dの電極へ電流が流れるか、或いは前記第2dの電極から前記第2sの電極へ電流が流れるpチャネル二重拡散MOSトランジスタと、
を含み、
前記第1sの電極と前記第2sの電極が連結されており、前記第1dの電極と前記第2dの電極が連結されている両方向高電圧スイッチング素子を含むこと
を特徴とする請求項4に記載のエネルギー回収回路。 - 前記両方向高電圧スイッチング素子は、前記出力ノードの電圧が前記接地電圧から前記電源電圧へ変動されるか、或いは前記電源電圧から前記接地電圧へ変動される場合に活性化されることを特徴とする請求項4に記載のエネルギー回収回路。
- 前記両方向高電圧スイッチング素子は、前記出力ノードの電圧が前記接地電圧から前記電源電圧へ変動されるか、或いは前記電源電圧から前記接地電圧へ変動される場合に活性化されることを特徴とする請求項7に記載のエネルギー回収回路。
- 前記両方向高電圧スイッチング素子は、ストローブ信号のハイ状態の時間又は前記ストローブ信号のロー状態の時間により活性化される時間が調節されることを特徴とする請求項8に記載のエネルギー回収回路。
- 前記両方向高電圧スイッチング素子は、前記ストローブ信号の反転信号に応じて活性化され、データ信号が入力されて提供される第1Dのフリップフロップ信号と前記ストローブ信号に応じて活性化され、前記第1Dのフリップフロップが入力されて提供される第2Dのフリップフロップ信号の排他的論理和演算信号に応じて活性化されることを特徴とする請求項10に記載のエネルギー回収回路。
- 前記プルアップ素子は、pチャネルMOSトランジスタであることを特徴とする請求項11に記載のエネルギー回収回路。
- 前記プルアップ素子は、前記第1Dのフリップフロップ信号と前記排他的論理和演算信号の反転信号のNAND演算信号に応じて活性化されることを特徴とする請求項12に記載のエネルギー回収回路。
- 前記プルダウン素子は、nチャネルMOSトランジスタであることを特徴とする請求項11に記載のエネルギー回収回路。
- 前記プルダウン素子は、前記第1Dのフリップフロップ信号と前記排他的論理和演算信号のNOR演算信号に応じて制御されることを特徴とする請求項14に記載のエネルギー回収回路。
- 前記第1gの電極に印加される電圧と前記第2gの電極に印加される電圧は、相補的なことを特徴とする請求項7に記載のエネルギー回収回路。
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2005
- 2005-01-18 JP JP2005010476A patent/JP2005210119A/ja active Pending
- 2005-01-21 TW TW094101776A patent/TWI260781B/zh not_active IP Right Cessation
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JP2009230078A (ja) * | 2008-03-25 | 2009-10-08 | Hitachi Ltd | プラズマディスプレイパネルの駆動方法及びプラズマディスプレイ装置 |
JP4583465B2 (ja) * | 2008-03-25 | 2010-11-17 | 株式会社日立製作所 | プラズマディスプレイパネルの駆動方法及びプラズマディスプレイ装置 |
US8203549B2 (en) | 2008-03-25 | 2012-06-19 | Hitachi, Ltd. | Plasma display panel driving method and plasma display apparatus |
Also Published As
Publication number | Publication date |
---|---|
TW200541073A (en) | 2005-12-16 |
US7319347B2 (en) | 2008-01-15 |
KR20050077095A (ko) | 2005-08-01 |
TWI260781B (en) | 2006-08-21 |
US20050161733A1 (en) | 2005-07-28 |
KR100568255B1 (ko) | 2006-04-07 |
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