Journal of the Korean Institute of Electrical and Electronic Material Engineers (한국전기전자재료학회논문지)

The Korean Institute of Electrical and Electronic Material Engineers (한국전기전자재료학회)
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Three-phase Motor Drive IC for Automotive Applications

자동차용 3상 모터 드라이브 IC

  • 정진수 (단국대학교 전자전기공학과) ;
  • 박시홍 (단국대학교 전자전기공학과)
  • Published : 2009.07.01
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Abstract

This paper presents a motor drive IC for automotive applications. The drive IC is dedicated to control and drive external MOSFETs which directly drive 3-phase motor with a high current. In case of driving high-side power switches, the bootstrap topology is widely used. however, it requires three bootstrap diode and three capacitor respectively. And it needs a minimum charging time to maintain high-side voltage. The motor drive IC uses a charge-pump circuit for all three high-side voltage with various protection schemes for automotive applications.

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References

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