Method for improving Ton/Toff circuit architecture by continuous function compensation method
An improved, compensation method, applied in complex mathematical operations, electrical digital data processing, special data processing applications, etc. Application occasions and other issues, to achieve the effect of simple circuit implementation, low cost, alleviation of system switching loss and heat generation
Active Publication Date: 2021-04-23
道崇电子科技(上海)有限公司
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Problems solved by technology
This will lead to the deterioration of the ripple characteristics obtained by the same product when the contradiction between component selection and switch heating is not sharp, and it cannot be applied to applications with high requirements for ripple characteristics, thus limiting the application range of a product
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[0058] The present invention will be described in further detail below in conjunction with the accompanying drawings.
[0059] The invention discloses a continuous function compensation method improved Ton / Toff circuit architecture method, which uses key component parameters or related system design variables as input variables, and uses continuous functions that meet specific conditions to generate compensation amounts, and the upper and lower thresholds make compensation;
[0060] Circuit architecture principle: introduce a compensation amount θ related to the component parameter x for Δ, and the compensation function θ(x) of the relationship between θ and x meets specific requirements;
[0061] If the relationship between f and x is monotonically increasing, that is, for any x>0, df(x) / dx>0 is true, then the compensation function θ(x) only needs to satisfy the following three conditions in the region of x>0:
[0062] (7) θ(x) is a continuous function, that is, θ(x) can be ...
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The invention relates to a method for improving a Ton / Toff circuit architecture by a continuous function compensation method, which takes key element parameters or related system design variables thereof as input variables, generates compensation quantity by using a continuous function meeting specific conditions, and compensates upper and lower limit thresholds. According to the circuit architecture principle, a compensation amount theta related to an element parameter x is introduced for delta, and a relation compensation function theta (x) of theta and x meets specific requirements. According to the method, key element parameters or related system design variables are used as input variables, a continuous function meeting specific conditions is used for generating compensation amount, a Ton / Tof circuit architecture for compensating upper and lower limit thresholds is used, the contradiction can be relieved by properly sacrificing ripple characteristics only by increasing extremely low cost, and the reliability of the circuit architecture is improved. And good ripple characteristics can be kept when the contradiction is not sharp, so that the application range of a product is widened, and possibility is provided for specific optimization design of the scheme.
Description
technical field [0001] The invention relates to the technical field of electronic circuits and integrated circuits, in particular to an improved Ton / Toff circuit structure method of continuous function compensation method. Background technique [0002] The working principle of the Ton / Toff circuit architecture is attached figure 1 Shown: There is an equivalence relationship between the target parameter and a certain parameter in the system. By switching the on and off states of the power switch in the system, this parameter in the system can be linearly increased and decreased respectively. In this way, only the The parameter sets a lower threshold VL and an upper threshold VH. When the parameter reaches VL, the switch is switched to the on state, and the parameter starts to rise linearly; when the parameter reaches VH, the switch is switched to the off state, and the parameter starts to decline linearly, so that the cycle , then the average value Va of this parameter is eq...
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Login to View More IPC IPC(8): G06F30/337G06F17/15
CPCG06F30/337G06F17/15
Inventor 郎宁马先林高超
Owner 道崇电子科技(上海)有限公司