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Charge pump timing control

A charge pump and controller technology, applied in control/regulating systems, electrical components, regulating electrical variables, etc., to achieve the effect of high-efficiency power conversion

Inactive Publication Date: 2016-08-17
ARCTIC SAND TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Therefore, this capacitive energy loss is approximatel

Method used

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Examples

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Embodiment Construction

[0034] As described above, as an example, the figure 1 The charge pump 100 shown in may operate in an "adiabatic" mode, where one or both of the low voltage peripheral 110 and the high voltage peripheral 190 may include a current source. For example, patent publication WO 2012 / 151466, published on November 8, 2012 and incorporated herein by reference, describes configurations that include conditioning circuits in the source and / or load. In particular, in figure 1 and Figure 2A -B, the low voltage load 110 may effectively comprise a current source rather than a voltage source in the example of "adiabatic" operation known as a charge pump. If the current source maintains a constant current from the charge pump, then the Figure 2A The current shown in maintains an approximately constant value during the state shown. The resistive losses in the switch through which the current flows are therefore lower than in the case of a voltage load and are also substantially independent...

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Abstract

Cycle timing of a charge pump is adapted according to monitoring of operating characteristics of a charge pump and/or peripheral elements coupled to the charge pump. In some examples, this adaptation provides maximum or near maximum cycle times while avoiding violation of predefine constraints (e.g., operating limits) in the charge pump and/or peripheral elements.

Description

[0001] relevant application data [0002] This application claims the benefit of the priority date of US application no. 14 / 027,584, filed September 16, 2013. The content of the above application is incorporated herein in its entirety. technical field [0003] The invention relates to the control of the timing of charge pumps. Background technique [0004] Various configurations of charge pumps, including series-parallel and Dickson configurations, rely on alternating configurations of switching elements to spread charge and transfer energy between the terminals of the charge pump. Energy losses associated with propagation determine the efficiency of the converter. [0005] refer to figure 1 , which shows a single-phase Dickson charge pump 100 in buck mode coupled to a low voltage load 110 and a high voltage source 190 . In the configuration shown, typically the load is driven (on average) by 1 / 5 the voltage and 5 times the current supplied by the source. The pump is dr...

Claims

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Application Information

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IPC IPC(8): G05F1/10H02M3/06H02M3/07H02M1/00
CPCH02M3/07Y02B70/10H02M1/0054
Inventor 大卫·M·朱利亚诺格雷戈里·什塞辛斯基杰夫里·萨梅特小雷蒙德·巴瑞特
Owner ARCTIC SAND TECH
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