NDLI: Dual low voltage IC based high and low side gate drive

Content Provider	IEEE Xplore Digital Library
Author	Yan Yin Zane, R.
Copyright Year	2004
Description	Author affiliation: Colorado Power Electron. Center, Colorado Univ., Boulder, CO, USA (Yan Yin; Zane, R.)
Abstract	High and low-side gate drivers are required in most switching power converters to provide on/off control of both ground referenced and floating switches. The drivers are required to provide sufficient current to the gates to meet timing requirements, provide a floating supply to the high-side device, and create a proper dead time between the switches to avoid simultaneous conduction. A method is proposed that uses two low-voltage integrated circuits (LVICs) to provide high and low-side gate drive in high-voltage applications. A coupling capacitor is placed between the two ICs to provide three functions: (1) high-voltage isolation, (2) high and low-side power supply, and (3) signaling to the high-side for on/off control. Integrated switches are used on each IC to provide active current steering for charge-pump power supply operation and current sensing for signaling detection. The required key blocks for IC fabrication are also discussed. A discrete test-bed is built to verify charge-pump operation as well as the characteristic current flowing through the coupling capacitor for detection and sequencing through the operating modes.
Sponsorship	IEEE Power Sources Manufacturers Association PELS IEEE Industry Applications Soc
Starting Page	1033
Ending Page	1038
File Size	1488932
Page Count	6
File Format	PDF
ISBN	0780382692
DOI	10.1109/APEC.2004.1295949
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2004-02-22
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Low voltage Switches Capacitors Power supplies Charge pumps Switching converters Driver circuits Timing Application specific integrated circuits Coupling circuits
Content Type	Text
Resource Type	Article

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