CMOS drive and control circuitry for 1-10 MHz power conversion

Casey, L.F.; Ofori-Tenkorang, J.; Schlecht, M.F.

doi:10.1109/pesc.1989.48467

Cited by 3 publications

(3 citation statements)

References 7 publications

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“…Pg, = EgofsWj, (9) where E is the total gate-drive energy consumed in a single low-high-low gate transition cycle. Using an algebraic minimization [9], the optimal gate width of M j , g!…”

Section: Fet Designmentioning

confidence: 99%

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A low-voltage CMOS DC-DC converter for a portable battery-operated system

Stratakos

Sanders

Brodersen

Proceedings of 1994 Power Electronics Specialist Conference - PESC'94

178

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Motivated by emerging battery-operated applications that demand compact, light-weight, and highly efficient DC-DC converters, a buck circuit is presented in which all active devices are integrated on a single chip using a standard 1.2~ CMOS process. The circuit delivers 750mW a t 1.5V from a 6V battery. To effectively eliminate switching loss at high operating frequencies, the power transistors achieve nearly ideal zero-voltage switching (ZVS) through an adjustable dead-time control scheme. The silicon area and power consumption of the gate-drive buffers are reduced with a tapering factor that minimizes short-circuit current and dynamic dissipation for a given technology and application. Measured results on a prototype IC indicate that on-chip losses at full load can b e kept below 8% at IMHz.

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“…Pg, = EgofsWj, (9) where E is the total gate-drive energy consumed in a single low-high-low gate transition cycle. Using an algebraic minimization [9], the optimal gate width of M j , g!…”

Section: Fet Designmentioning

confidence: 99%

“…Using an algebraic minimization [9], the optimal gate width of M j , g! is found to give equal conduction loss and gate-drive loss, where:…”

Section: Fet Designmentioning

confidence: 99%

See 1 more Smart Citation

A low-voltage CMOS DC-DC converter for a portable battery-operated system

Stratakos

Sanders

Brodersen

Proceedings of 1994 Power Electronics Specialist Conference - PESC'94

178

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A board-mounted power supply module using a new low power dissipation control IC

Tsukamoto¹,

Yachi²,

Yamashita³

[Proceedings] Thirteenth International Telecommunications Energy Conference - INTELEC 91

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DC-DC converter using a novel low power dissipation control IC for a transmitting amplifier of digital portable telephones

Yamashita

Serada

Sakai

et al.

[Proceedings] Fourteenth International Telecommunications Energy Conference - INTELEC '92

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This paper presents a DC-DC conv e r t e r as a DC amplifier f o r a transmitt i n g amplifier of digital p o r t a b l e t e l ephones.This DC-DC converter can supply a modulated voltage t o t h e transmitting amplifier and achieves a significantly higher efficiency by about 30% over a conventional series regulat o r .The higher efficiency is due a newly developed low dissipation c o n t r o l IC.The IC consists primarily of CMOS devices which reduce dissipation. The higher efficiency t r a n s l a t e s i n t o a longer battery usage time.

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CMOS drive and control circuitry for 1-10 MHz power conversion

Abstract: T h e design, iniplementation and experimental evaluation of CMOS sub-circuits t h a t can be combined t o implement integrated control a n d drive for 1-10 MHs power circuits are presented. T h e ability of CMOS to satisfactorily perform a t these high frequencies is documented.

Cited by 3 publications

References 7 publications

A low-voltage CMOS DC-DC converter for a portable battery-operated system

A low-voltage CMOS DC-DC converter for a portable battery-operated system

A board-mounted power supply module using a new low power dissipation control IC

DC-DC converter using a novel low power dissipation control IC for a transmitting amplifier of digital portable telephones

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