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A low-voltage CMOS DC-DC converter for a portable battery-operated system
Abstract
Motivated by emerging battery-operated applications that demand compact, lightweight, and highly efficient DC-DC power converters, a buck circuit is presented in which all active devices are integrated on a single chip using a standard 1.2 /spl mu/ CMOS process. The circuit delivers 750 mW at 1.5 V from a 6 V 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 be kept below 8% at 1 MHz.>
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Citations
Cited by
Minimizing power consumption in digital CMOS circuits
Chandrakasan, A. P., & Brodersen, R. W. (1995) · Proceedings of the IEEE · doi:10.1109/5.371964 · Cited by 1,015
Self-citationProcessor design for portable systems
Burd, T. D., & Brodersen, R. W. (1996) · Journal of VLSI signal processing systems for signal, image and video technology · doi:10.1007/bf01130406 · Cited by 593
Self-citationUltralow-Power Electronics for Biomedical Applications
Chandrakasan, A. P., Verma, N., & Daly, D. C. (2008) · Annual Review of Biomedical Engineering · doi:10.1146/annurev.bioeng.10.061807.160547 · Cited by 285
Metadata
- Authors
- Stratakos, A. J., Sanders, S. R., & Brodersen, R. W.
- Venue
- Proceedings of 1994 Power Electronics Specialist Conference - PESC'94
- Publisher
- IEEE
- Published
- 2002-12-17
- Pages
- 619-626
- ISSN
- 0275-9306 (ISSN-L)
- OpenAlex
- W2112558701
- Cited by
- 228
- References
- 0
- FWCI
- 24.57
- Type
- conference paper
- Language
- en
- Open access
- closed
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- CoChat. (2026). Citation check: A low-voltage CMOS DC-DC converter for a portable battery-operated system. https://app.cochat.ai/papers/10.1109/pesc.1994.349672
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- Stratakos, A. J., Sanders, S. R., & Brodersen, R. W. (2002). A low-voltage CMOS DC-DC converter for a portable battery-operated system. Proceedings of 1994 Power Electronics Specialist Conference - PESC'94. https://doi.org/10.1109/pesc.1994.349672
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