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A system circuit of the self-reset drive protection chip based on the soft resonance sensitive control

A technology for controlling chips and driving protection, applied in emergency protection circuit devices, emergency protection devices with automatic disconnection, circuit devices, etc., can solve problems such as failure to realize self-recovery, and achieve the effect of system restart

Active Publication Date: 2018-12-21
东莞市北斗星电子科技有限公司
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Problems solved by technology

[0003] At present, the control chips in the field of energy-saving power supply controllers cannot achieve self-recovery when they fail

Method used

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  • A system circuit of the self-reset drive protection chip based on the soft resonance sensitive control

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Embodiment Construction

[0015] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0016] see figure 1 , The present invention provides a technical solution: a self-resetting drive protection chip system circuit based on a soft resonance sensitive controller, including a resonant soft switch control chip 1, the model of which is L6599. The eight pins of the resonant soft switch control chip 1 are respectively connected to one end of the resistor A1a and one end of the resistor B2a, the twelve pins are connected to the VDD end, the other end ...

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Abstract

A system circuit of a self-reset drive protection chip based on a soft resonance sensitive control is disclosed, comprises a resonant soft switching control chip (L6599), wherein eight pins of the resonant soft switching control chip are used as protection, the eight pins of the resonant soft switching control chip are kept locked under the condition that the auxiliary power supply is always existed, and the circuit module controlled by the resonant soft switching control chip is unable to recover itself under the condition of removing faults; In this circuit, VDD is released by self-triggering discharge during VDD renewal, so that the voltage threshold of VDD is lowered below the chip reset threshold, and the resonant soft-switch control chip is reset to eight pins. After VDD is rechargedabove the start threshold, the circuit resumes operation. This implements the ideal fault removal self-recovery mode.

Description

technical field [0001] The invention relates to the technical field of drive protection chips, in particular to a self-resetting drive protection chip system circuit based on a soft resonance sensitive controller. Background technique [0002] A reset circuit is a circuit device used to restore the circuit to its initial state. Its operating principle is similar to that of a calculator, but the starting principle and means are different. The reset circuit is to use it to restore the circuit to the initial state. Just like the function of the reset button of the calculator, so as to return to the original state and recalculate. [0003] At present, the control chips in the field of energy-saving power supply controllers cannot realize self-recovery when they fail. Contents of the invention [0004] The purpose of the present invention is to provide a self-resetting drive protection chip system circuit based on a soft resonance sensitive controller, so as to solve the prob...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02H7/12H02H3/06
CPCH02H3/066H02H7/1213
Inventor 吴刚李砂
Owner 东莞市北斗星电子科技有限公司
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