JP2014179603A - 制御及びドライバ回路を有するパワー・カッド・フラット・ノーリード(pqfn)パッケージ - Google Patents
制御及びドライバ回路を有するパワー・カッド・フラット・ノーリード(pqfn)パッケージ Download PDFInfo
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- JP2014179603A JP2014179603A JP2014037290A JP2014037290A JP2014179603A JP 2014179603 A JP2014179603 A JP 2014179603A JP 2014037290 A JP2014037290 A JP 2014037290A JP 2014037290 A JP2014037290 A JP 2014037290A JP 2014179603 A JP2014179603 A JP 2014179603A
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Abstract
【解決手段】パワー・カッド・フラット・ノーリード(PQFN)パッケージは多相パワーインバータ、制御回路、及びドライバ回路を含む。ドライバ回路は制御回路からの制御信号に応答して多相パワーインバータを駆動するように構成される。多相パワーインバータ、制御回路、及びドライバ回路の各々はPQFNパッケージのPQFNリードフレーム上に置かれる。制御回路及びドライバ回路は共通集積回路(IC)に含めることができる。更に、制御回路は前記多相パワーインバータの少なくとも2つの相電流を合成相電流から再構成するように構成することができる。
【選択図】図1A
Description
本明細書で使用される、用語「III−V族」は少なくとも1つのIII族元素と少なくとも1つのV族元素を含む化合物半導体を意味する。例えば、III−V族半導体は、III族窒化物半導体の形を取り得る。「III族窒化物」又は「III−N」は窒素とアルミニウム(Al)、ガリウム(Ga)、インジウム(In)及びボロン(B)などの少なくとも1つのIII族元素を含む化合物半導体を意味し、例えば窒化アルミニウムガリウム(AlxGa(1-x)N、窒化インジウムガリウムInyGa(1-y)N、窒化アルミニウムインジウムガリウムAlxInyGa(1-x-y)N、砒化リン化窒化ガリウム(GaAsaPbN(1-a-b))、砒化リン化窒化アルミニウムインジウムガリウム(AlxInyGa(1-x-y)AsaPbN(1-a-b))などの合金を含むが、これらに限定されない。また、III族窒化物は一般に、Ga極性、N極性、半極性又は非極性結晶方位などの任意の極性を有するが、これらに限定されない。また、III族窒化物材料は、ウルツ鉱型、閃亜鉛鉱型、あるいは混合ポリタイプ(結晶多形)のいずれかを含むことができ、単結晶又はモノクリスタル、多結晶、または非結晶の結晶構造を含むことができる。本明細書で使用される、「窒化ガリウム」、「GaN」はIII族窒化物化合物半導体を意味し、III族元素は若干量又は相当量のガリウムを含むが、ガリウムに加えて他のIII族元素も含むことができる。また、III−V族又はGaNトランジスタはIII−V族又はGaNトランジスタを低電圧IV族トランジスタとカスコード接続することによって形成される複合高電圧エンハンスメントモードトランジスタも意味する。
Claims (22)
- パワー・カッド・フラット・ノーリード(PQFN)パッケージであって、
多相パワーインバータ、制御回路、及びドライバ回路を備え、
前記ドライバ回路は前記制御回路からの制御信号に応答して前記多相パワーインバータを駆動するように構成され、
前記多相パワーインバータ、前記制御回路、及び前記ドライバ回路の各々は前記PQFNパッケージのPQFNリードフレーム上に置かれている、
PQFNパッケージ。 - 前記制御回路及び前記ドライバ回路は共通集積回路(IC)内にある、請求項1記載のPQFNパッケージ。
- 前記制御回路はディジタル回路を含む、請求項1記載のPQFNパッケージ。
- 前記制御回路は3相制御回路である、請求項1記載のPQFNパッケージ。
- 前記制御回路は合成相電流から前記多相パワーインバータの少なくとも2つの相電流を再構成するように構成されている、請求項1記載のPQFNパッケージ。
- 前記制御回路は前記制御信号を生成するように構成されたパルス幅変調回路を備える、請求項1記載のPQFNパッケージ。
- 前記制御回路は前記制御信号を生成するように構成されたスペースベクトル変調回路を備える、請求項1記載のPQFNパッケージ。
- 前記制御回路及び前記ドライバ回路用の電圧調整器を備える、請求項1記載のPQFNパッケージ。
- 前記電圧調整器は前記制御回路及び前記ドライバ回路とともに共通IC上にある、請求項8記載のPQFNパッケージ。
- 前記PQFNパッケージは12mm×12mmより大きいフットプリントを有する、請求項1記載のPQFNパッケージ。
- 前記PQFNパッケージは12mm×12mmより小さいフットプリントを有する、請求項1記載のPQFNパッケージ。
- パワー・カッド・フラット・ノーリード(PQFN)パッケージであって、
多相パワーインバータ及び共通集積回路(IC)を備え、
前記共通ICは制御信号を生成し、前記制御信号に応答して前記多相パワーインバータを駆動するように構成され、
前記多相パワーインバータ及び前記共通ICの各々は前記PQFNパッケージのPQFNリードフレーム上に置かれている、
PQFNパッケージ。 - 前記共通ICは前記制御信号を生成するように構成されたディジタル回路を含む、請求項12記載のPQFNパッケージ。
- 前記共通ICは合成相電流から前記多相パワーインバータの少なくとも2つの相電流を再構成するように構成されている、請求項12記載のPQFNパッケージ。
- 前記共通ICは前記制御信号をパルス幅変調(PWM)された制御信号として生成するように構成されている、請求項12記載のPQFNパッケージ。
- 前記共通ICの制御回路及びドライバ回路を給電するように構成された電圧調整器を備える、請求項12記載のPQFNパッケージ。
- 前記共通ICは、前記共通ICの制御回路及びドライバ回路を給電するように構成された電圧調整器を含む、請求項12記載のPQFNパッケージ。
- パワー・カッド・フラット・ノーリード(PQFN)パッケージであって、
高圧側パワースイッチ、低圧側パワースイッチ、制御回路、及びドライバ回路を備え、
前記高圧側及び低圧側パワースイッチはPQFNリードフレーム上に置かれ、
前記ドライバ回路は前記制御回路からの制御信号に応答して前記高圧側及び低圧側パワースイッチを駆動するように構成され、
前記ドライバ回路及び前記制御回路は前記PQFNリードフレームの同一のダイパッド上に置かれている、
PQFNパッケージ。 - 前記制御回路及び前記ドライバ回路は共通集積回路(IC)内にある、請求項18記載のPQFNパッケージ。
- 前記同一のダイパッドは前記PQFNパッケージの底面に露出している、請求項18記載のPQFNパッケージ。
- 前記高圧側パワースイッチはIII−V族トランジスタよりなる、請求項18記載のPQFNパッケージ。
- 前記低圧側パワースイッチはIII−V族トランジスタよりなる、請求項18記載のPQFNパッケージ。
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US14/147,464 US9524928B2 (en) | 2010-12-13 | 2014-01-03 | Power quad flat no-lead (PQFN) package having control and driver circuits |
US14/147,464 | 2014-01-03 |
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