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Circuit topology structure of sharing power transistor in various types of electronic circuits

A circuit topology, power transistor technology, applied in output power conversion devices, conversion of DC power input to DC power output, electrical components, etc., can solve problems such as increasing system overhead, cost and complexity, and reducing system reliability. , to achieve the effect of reducing circuit cost, improving reliability and simplifying circuit

Pending Publication Date: 2020-09-22
道崇电子科技(浙江)股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Obviously, the existing solutions will undoubtedly increase the overhead, cost and complexity of the system, reduce the reliability of the system, and need to be further improved

Method used

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  • Circuit topology structure of sharing power transistor in various types of electronic circuits
  • Circuit topology structure of sharing power transistor in various types of electronic circuits
  • Circuit topology structure of sharing power transistor in various types of electronic circuits

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Embodiment Construction

[0029] The present invention discloses a circuit topology for sharing power transistors in various types of electronic circuits. The specific implementation manners of the present invention will be further described below in combination with preferred embodiments.

[0030] see attached Figure 2 to Figure 4 , figure 2 A typical circuit topology illustrating the circuit topology for sharing power transistors in multiple types of electronic circuits; image 3 exist figure 2 On the basis of further showing the auxiliary circuit topology of the typical circuit of the present invention; Figure 4 exist figure 2 The auxiliary circuit topology of the typical circuit of the present invention is further shown on the basis of .

[0031] It is worth mentioning that the "linear step-down conversion circuit", "step-down conversion circuit", and "linear conversion circuit" that may be involved in various embodiments of the present invention are the same concept and will not be distin...

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PUM

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Abstract

The invention discloses a circuit topology structure of sharing a power transistor in various types of electronic circuits, which is used for matching a power supply management system with single-ended input and single-ended output. The power supply management system is provided with an input end and an output end, and is specifically implemented as any two circuits in three electronic circuits oras all three circuits in the three electronic circuits. The circuit topology structure of sharing the power transistor in various types of electronic circuits comprises a power transistor, wherein the power transistor is shared by any two circuits or all three circuits in the three electronic circuits. The circuit topology structure of sharing the power transistor in various types of electronic circuits disclosed by the invention is beneficial to reducing the circuit cost, simplifying the circuit and improving the reliability.

Description

technical field [0001] The invention belongs to the field of electronic circuits and the application field of integrated circuits, and in particular relates to a circuit topology structure for sharing power transistors in various types of electronic circuits. Background technique [0002] The publication number is CN104883057B, and the subject name is a mobile power converter and its method for boost and linear charging shared power devices. Or charging detection circuit and body diode control circuit, it is characterized in that, described mobile power converter also comprises: N-type MOS tube and P-type MOS tube; Wherein, the anode of lithium battery is connected with one end of inductance, and the other end of inductance is connected The A terminal of the P-type MOS tube, the gate of the P-type MOS tube is connected to the boost or charging drive circuit, the substrate of the P-type MOS tube is connected to the body diode control circuit; the B-side of the P-type MOS tube...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02M3/158H02M1/32
CPCH02M3/1584H02M1/32
Inventor 郎宁
Owner 道崇电子科技(浙江)股份有限公司
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