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http://dx.doi.org/10.4313/JKEM.2009.22.7.563

Three-phase Motor Drive IC for Automotive Applications  

Jung, Jin-Soo (단국대학교 전자전기공학과)
Park, Shi-Hong (단국대학교 전자전기공학과)
Publication Information
Journal of the Korean Institute of Electrical and Electronic Material Engineers / v.22, no.7, 2009 , pp. 563-566 More about this Journal
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.
Keywords
Three phase motor drive; Charge-pump;
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