By John Hu
This booklet offers with the subject material of energy administration built-in circuit (IC) layout, or built-in energy electronics, as a reaction to the transforming into desire for energy-efficient electronics. The authors introduce numerous strength administration IC layout strategies to construct destiny energy-efficient “green” electronics. The objective is to accomplish excessive potency, that's necessary to meet shoppers’ starting to be desire for longer battery lives. the focal point is to check topologies amiable for complete on-chip implementation (few exterior parts) within the mainstream CMOS expertise, with the intention to decrease the actual measurement and the producing fee of the devices.
- Describes a couple of innovations at circuits and platforms point that elevate sleep-mode potency to delay the battery existence, with out sacrificing functionality parameters;
- Enables readers to layout for compactness, which calls for fewer cumbersome exterior elements and circuit topologies that lend themselves simply to complete on-chip integration;
- Offers insights on how the potency boosting strategies for strength administration IC designs paintings towards society’s quest for larger strength efficiency.
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Additional info for CMOS High Efficiency On-chip Power Management
More recent examples include Kruiskamp and Beumer (2008), Camacho et al. (2009), Giustolisi et al. (2009), which use floating capacitor as voltage source. Their simplified block diagrams are shown in Fig. 7. Higher-than supply VG generation, however, becomes a major challenge for NMOS LDO . The high voltage switching involved in VG generation (den Besten and Nauta 1998; Camacho et al. 2009; Giustolisi et al. 2009) introduces additional noise in the control loop. The noise attenuation relies solely on the loop gain at the switching frequency.
Notice that all sub-blocks can be disconnected from the supply rail during sleep mode to save on leakage, and the LDO can be by passed for direct battery operation. 26 2 System Power Management b Sleep mode Bypassed a DC/DC LDO LDO Load#1 LDO LDO Load#2 LDO LDO Load#2 Load#3 Load#3 Load#1 STMicro: STM32x c Freescale: MC1322x d Available in All modes LDO Load#1 Load#2 LDO LDO Load#2 Load#3 Load#3 Load#1 TI: CC253x DC/DC Proposed Fig. 7 Configuration of the sleep mode power chain: existing solutions and proposed.
Gov TPS (2010) Power Management IC for Li-Ion Powered Systems. pdf von Arnim K, Borinski E, Seegebrecht P, Fiedler H, Brederlow R, Thewes R, Berthold J, Pacha C (2005) Efficiency of body biasing in 90-nm CMOS for low-power digital circuits. 4 applications. com/192701026 References 31 Burd T, Pering T, Stratakos A, Brodersen R (2000) A dynamic voltage scaled microprocessor system. 881202 Carlson B, Giolma B (2008) Ti white paper: Smartreflex power and performance management technologies: reduced power consumption, optimized performance.