Abstract
On-chip power integration is necessary for delivering high quality power to modern high performance circuits. The tradeoff between power efficiency and area for switching and linear power supplies is discussed in Chap. 16 To optimize the power efficiency of a system with existing power supplies, the power should be primarily converted with a few power efficient switching supplies, delivered to on-chip voltage clusters, and regulated with linear low dropout regulators within the individual power domains. This principle with multiple voltage clusters is illustrated in Fig. 26.1 by a heterogeneous power delivery system with multiple power domains, off-chip/in-package/on-chip SMPS power converters, and on-chip LDO power regulators.
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P.-Vaisband, I., Jakushokas, R., Popovich, M., Mezhiba, A.V., Köse, S., Friedman, E.G. (2016). Power Supply Clustering in Heterogeneous Systems. In: On-Chip Power Delivery and Management. Springer, Cham. https://doi.org/10.1007/978-3-319-29395-0_26
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DOI: https://doi.org/10.1007/978-3-319-29395-0_26
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