KR101890752B1 - 균일한 병렬 스위치 특성을 갖는 파워모듈용 기판 및 이를 포함하는 파워모듈 - Google Patents
균일한 병렬 스위치 특성을 갖는 파워모듈용 기판 및 이를 포함하는 파워모듈 Download PDFInfo
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Abstract
Description
도 2는 도 1의 파워모듈용 기판을 이용한 본 발명의 일 실시예에 의한 파워모듈의 사시도이다.
도 3은 도 2의 파워모듈에서 제2 기판이 장착되는 과정을 나타낸 사시도이다.
도 4는 도 3의 파워모듈에서 병렬 배치된 소자들(IGBT1-IGBT4)에 대한 인덕턴스 변화(a)와 턴 오프시의 순간 전력손실변화(b)를 나타낸 그래프이다.
도 5는 도 2의 파워모듈과 버스바(busbar)의 체결을 나타낸 사시도이다.
도 6은 본 발명의 다른 실시예에 의한 파워모듈을 나타낸 사시도이다.
도 7은 도 6의 파워모듈에서 각 소자에 대한 인덕턴스 변화를 나타낸 막대 그래프이다.
10a, 20a, 30a, 40a, 50a, 50b, 50c, 50d, 60a, 60b, 60c:제1 내지 제11 영역
90:절연층 92, 94, 96:제1 내지 제3 도전막
92a, 94a, 96a, 112:제어핀
104, 108, 106, 100, 102, 142, 144:제1 내지 제7 터미널
104a, 106a, 108a, 100a, 102a, 142a, 144a:관통홀
104b, 108b, 106b:제1 내지 제3 체결단
120, 130:소자 132, 134, 136, 138, 139:와이어 본딩
150:버스바 C1:중심선
D1-D4:제1 내지 제4 소자모듈 M1, M2:파워모듈
S1:기판 S2:제2 기판
Claims (15)
- 입력 터미널이 장착되는 복수의 영역
출력 터미널이 장착되는 복수의 영역
소자들이 장착되는 복수의 영역 및
복수의 제어핀이 장착되는 영역을 포함하고,
상기 소자들이 장착되는 복수의 영역은 상기 제어핀이 장착되는 영역을 중심으로 좌우대칭을 이루며,
상기 입력 터미널이 장착되는 복수의 영역은 수평적으로 이격된 3개의 영역이고, 상기 제어핀이 장착되는 영역을 중심으로 좌우 대칭을 이루며,
상기 출력 터미널이 장착되는 복수의 영역은 상기 제어핀이 장착되는 영역을 중심으로 좌우에 대칭적으로 이격되게 배치되는 파워모듈용 기판. - 삭제
- 제 1 항에 있어서,
상기 소자들이 장착되는 복수의 영역은 4개의 영역이고, 상기 4개 영역 중 2개 영역은 서로 이격된 도전막의 영역이고, 나머지 2개 영역은 동일한 도전막의 영역인 파워모듈용 기판. - 제 1 항에 있어서,
상기 복수의 제어핀이 장착되는 영역에 제2 기판이 장착된 파워모듈용 기판. - 제 4 항에 있어서,
상기 제2 기판은,
상기 복수의 제어핀이 장착되는 영역에 접촉되는 절연층 및
상기 절연층 상에 형성된 복수의 이격된 도전막을 포함하는 파워모듈용 기판. - 청구항 1의 파워모듈용 기판
상기 기판의 상기 소자들이 장착되는 복수의 영역에 장착된 소자들
상기 입력 터미널이 장착되는 복수의 영역에 장착된 입력 터미널
상기 복수의 제어핀이 장착되는 영역에 장착된 제어핀 및
상기 출력 터미널이 장착되는 영역에 장착된 출력 터미널을 포함하는 파워모듈. - 제 6 항에 있어서,
상기 복수의 제어핀이 장착되는 영역에 제2 기판이 장착된 파워모듈. - 제 7 항에 있어서,
상기 제2 기판은,
절연층 및
상기 절연층 상에 형성된 복수의 이격된 도전막을 포함하는 파워모듈. - 제 8 항에 있어서,
상기 복수의 이격된 도전막 상에 각각 제어핀이 장착된 파워모듈. - 삭제
- 제 6 항에 있어서,
상기 이격된 3개의 영역에 각각 1개의 입력 터미널이 장착되고, 2개의 입력 터미널에 동일한 극성의 전압이 인가되는 파워모듈. - 제 11 항에 있어서,
상기 이격된 3개의 영역에 장착된 입력 터미널은 좌우 대칭을 이루는 파워모듈. - 제 11 항에 있어서,
상기 이격된 3개의 영역에 장착된 입력 터미널은 좌우 비대칭인 파워모듈. - 제 13 항에 있어서,
상기 이격된 3개의 영역에 장착된 입력 터미널은 총 2개의 체결부를 갖는 파워모듈. - 제 7 항에 있어서,
상기 제2 기판, 상기 소자들 중 일부 및 상기 입력 터미널 중 하나는 동일한 도전막 상에 장착된 파워모듈.
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