Tunable power supply device and parallel power supply system
A power supply device and potential technology, which is applied in the direction of circuit devices, battery circuit devices, control/regulation systems, etc., can solve the problems of difficult power supply and inability to provide power electronic devices at the same time, so as to prevent output current recharging and circuit damage, and improve DC power supply efficiency and cost reduction effects
Inactive Publication Date: 2018-11-02
WISTRON CORP
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Problems solved by technology
Even if the user has more than two DC batteries, these DC batteries still cannot provide power to the electronic device at the same time
Generally speaking, DC batteries usually have a variety of different output specifications (for example: different voltages), so they are usually difficult to supply power in parallel
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[0059] In order to make the purpose, features and advantages of the present invention more comprehensible, specific embodiments of the present invention are listed below and described in detail with accompanying drawings.
[0060] Certain terms are used throughout the description and claims to refer to particular components. Those skilled in the art should understand that hardware manufacturers may use different terms to refer to the same component. The specification and claims do not use the difference in name as a way to distinguish components, but use the difference in function of components as a criterion for distinguishing. The words "comprising" and "including" mentioned throughout the specification and claims are open-ended terms, so they should be interpreted as "including but not limited to". The term "approximately" means that within an acceptable error range, those skilled in the art can solve the technical problem within a certain error range and achieve the basic t...
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A tunable power supply device with an input node and an output node includes a voltage control module, a first diode, and a voltage divider circuit. The voltage control module converts an input voltage at the input node into a median voltage at a first node. The median voltage is determined according to a feedback voltage. The first diode has an anode coupled to the first node, and a cathode coupled to the output node for outputting an output voltage. The voltage divider circuit generates the feedback voltage according to the output voltage. According to the invention, different input potentials can be adjusted to generate the same output potential. The direct current power supply efficiency is effectively improved. The invention is suitable for being applied to various electronic devicesor mobile devices requiring direct current supply power supply.
Description
technical field [0001] The invention relates to an adjustable power supply device and a parallel power supply system, in particular to an adjustable power supply device and a parallel power supply system capable of automatically correcting the output potential. Background technique [0002] Conventional electronic devices usually only have a single DC battery as a power source. Even if the user has more than two DC batteries, these DC batteries still cannot provide power to the electronic device at the same time. Generally speaking, DC batteries usually have various output specifications (for example: different voltages), so it is usually difficult for them to supply power under the condition of parallel connection. [0003] In order to overcome the shortcomings of the prior art, it is necessary to propose a new solution, so that one or more DC batteries of different specifications can simultaneously provide power to the electronic device. [0004] Therefore, it is necessa...
Claims
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IPC IPC(8): H02M3/158H02J7/34
CPCH02J7/34H02M3/1584H02M3/1582H02J2207/20
Inventor 朱御慈吴德隆
Owner WISTRON CORP