JP7076404B2 - 半導体モジュールおよび半導体パッケージ - Google Patents
半導体モジュールおよび半導体パッケージ Download PDFInfo
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- H02M7/48—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
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- H02M7/53875—Conversion of dc power input into ac 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, e.g. single switched pulse inverters in a bridge configuration with automatic control of output voltage or current with analogue control of three-phase output
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Description
<装置構成>
図1は本発明に係る実施の形態1の半導体モジュール100の構成を示すブロック図である。図1に示すように半導体モジュール100は、外部のモータコントローラMCU1からPWM信号PMSと、通信信号としてクロック信号CLK1(第1のクロック信号)およびデータ信号D1を受けて、モータMTを駆動するモジュールである。なお、図1では、半導体モジュール100をモータMTの1相の電力を出力するモジュールとして示しているが、これは簡略化のためであり、2相、3相の電力を出力するモジュールとして構成することもできる。
図5は、半導体モジュール100の概略動作を説明するフローチャートである。半導体モジュール100のユーザが、モータコントローラMCU1に対して複数の設定値を入力すると、モータコントローラMCU1は、データ信号D1およびクロック信号CLK1を半導体モジュール100の通信制御部11に送信する。
図7は本発明に係る実施の形態2の半導体モジュール200の構成を示すブロック図である。なお、図7においては、図1を用いて説明した半導体モジュール100と同一の構成については同一の符号を付し、重複する説明は省略する。
図8は本発明に係る実施の形態3の半導体モジュール300の構成を示すブロック図である。なお、図8においては、図1を用いて説明した半導体モジュール100と同一の構成については同一の符号を付し、重複する説明は省略する。
図9は本発明に係る実施の形態4の半導体モジュール400の構成を示すブロック図である。なお、図9においては、図8を用いて説明した半導体モジュール300と同一の構成については同一の符号を付し、重複する説明は省略する。
以上説明した本発明に係る実施の形態1~4の半導体モジュール100~400は、リードフレーム上に搭載して半導体パッケージとすることで低コストで製品化することができる。
本発明に係る実施の形態5として、図1に示した半導体モジュール100をリードフレーム上に搭載して樹脂封止した半導体パッケージについて説明する。
図13は、実施の形態3の半導体モジュール300を3相分の電力を出力する半導体モジュール600として構成し、リードフレーム上に搭載して樹脂封止して半導体パッケージとした構成を示す図である。
図14は、実施の形態4の半導体モジュール400を3相分の電力を出力する半導体モジュール700として構成し、リードフレーム上に搭載して樹脂封止して半導体パッケージとした構成を示す図である。
Claims (6)
- 動作特性を変更できる半導体モジュールであって、
前記半導体モジュールは、
第1の電位と前記第1の電位よりも低い第2の電位との間に直列に接続され、相補的に動作する第1および第2のトランジスタと、
前記第1および第2のトランジスタを制御する制御回路と、
外部に設けられたコントローラから動作特性の設定値を含むデータ信号を受信してメモリに格納した後、前記動作特性の設定値を前記制御回路に転送する内部コントローラと、を備え、
前記データ信号は、
前記動作特性の設定値、前記動作特性の設定値の前記制御回路への転送開始のタイミングを規定する特定のトリガ値の順に前記内部コントローラに送信され、
前記内部コントローラは、
前記メモリに前記特定のトリガ値が書き込まれたタイミングで、前記メモリに格納された前記動作特性の設定値を前記制御回路に転送し、
前記制御回路は、
前記第1および第2のトランジスタをそれぞれ駆動すると共に、前記半導体モジュールの動作特性を規定する第1および第2のドライバを有し、
前記内部コントローラから転送された前記動作特性の設定値に基づいて前記第1および第2のドライバの設定を変更することで前記半導体モジュールの動作特性を変更する、半導体モジュール。 - 前記内部コントローラは、
前記メモリ内に格納されたトリガ値をモニタし、前記コントローラから送信された前記特定のトリガ値に書き換えられたタイミングで特定の制御信号を出力するトリガモニタと、
前記トリガモニタから前記特定の制御信号が入力された場合には、前記メモリへの前記データ信号の書き込みを禁止する書き込み制御部と、
前記メモリへの前記データ信号の書き込みが禁止されている期間に、前記メモリに格納された前記動作特性の設定値を読み出して前記制御回路に転送する転送部と、を有し、
前記トリガモニタは、
前記動作特性の設定値の前記制御回路への転送が終了すると、前記メモリ内の前記特定のトリガ値を変更することで、前記書き込み制御部への前記特定の制御信号の入力を停止して前記メモリへの前記データ信号の書き込み禁止を解除する、請求項1記載の半導体モジュール。 - 前記コントローラと前記内部コントローラとの通信は、特定の通信規格による通信を行い、
前記内部コントローラと前記制御回路との通信は、非通信規格による通信を行い、
前記内部コントローラと前記制御回路との通信に使用される第2のクロック信号の周波数は、前記コントローラと前記内部コントローラとの通信に使用される第1のクロック信号の周波数よりも高く設定される、請求項1記載の半導体モジュール。 - 前記第1および第2のドライバの少なくとも一方は、
前記半導体モジュールの複数の動作特性を変更可能とするように、可変遅延バッファおよびドライバを含み、
前記可変遅延バッファおよび前記ドライバのそれぞれの設定を変更することで前記半導体モジュールの前記複数の動作特性を変更する、請求項1記載の半導体モジュール。 - 前記制御回路は、
前記第1のトランジスタを制御する第1の制御回路と、
前記第2のトランジスタを制御する第2の制御回路と、を含み、
前記第1の制御回路は、前記第1のドライバを有し、
前記第2の制御回路は、前記第2のドライバを有し、
前記第1および第2の制御回路は、個別の集積回路として構成される、請求項1記載の半導体モジュール。 - 請求項1から請求項5の何れか1項に記載の半導体モジュールと、
前記半導体モジュールを搭載するリードフレームと、
前記半導体モジュールおよび前記リードフレームを封止する樹脂と、を備える、半導体パッケージ。
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