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Loudspeaker drive circuit

A technology for driving circuits and speakers, applied in transducer circuits, sensors, electrical components, etc., can solve the problems of complex driving circuit design, high product cost, power consumption of circuit operation, etc., and achieve the effect of avoiding insufficient driving ability.

Inactive Publication Date: 2019-01-15
上海悦期网络科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Therefore, the drive circuit is one of the core components of electronic products. Therefore, in order to improve the stability and safety of the circuit and improve the drive capability, the traditional drive circuit is often designed very complicated, and the design of the complex drive circuit leads to relatively high product costs. And the circuit consumes a lot of power when running

Method used

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  • Loudspeaker drive circuit
  • Loudspeaker drive circuit

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Embodiment Construction

[0017] The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Apparently, the described embodiments are only some of the embodiments of this application, not all of them. Based on the embodiments in this application, all other embodiments obtained by those skilled in the art without making creative efforts belong to the protection scope of this application.

[0018] The terms "comprising" and "having" in the description and claims of the present application and the above drawings and any variations thereof are intended to cover a non-exclusive inclusion. For example, a process, a method comprising a series of steps, or an apparatus comprising a series of modules or units, an electronic device, a system are not necessarily limited to those steps or modules or units clearly listed, and may also include steps not clearly listed or modules ...

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Abstract

A loudspeaker drive circuit includes a conversion module, a driving pow supply module, a differential power supply module, a differential positive pole push-pull driving module and a differential negative pole push-pull driving module, wherein, that driving pow supply module supplies power to the conversion module; The conversion module receives the input of the driving signal and is respectivelyconnected with the differential positive pole push-pull driving module and the differential negative pole push-pull driving module. The driving power supply module supplies power to the differential positive pole push-pull driving module and the differential negative pole push-pull driving module. The differential positive push-pull drive module and the differential negative push-pull drive moduleoutput differential signal pairs. The loudspeaker driving circuit provided by the present invention only uses transistors, diodes, resistance containers and general optocoupler transistors, and can avoid the problems of insufficient driving ability of the traditional driving circuit, high complexity and cost of the driving circuit, high power consumption when the circuit is not running, small power supply voltage range, and the like.

Description

technical field [0001] The application of the present invention relates to the technical field of drive circuits, in particular to a speaker drive circuit. Background technique [0002] The drive circuit is generally located between the main circuit and the control circuit, and is used to amplify the signal of the control circuit (that is, to amplify the signal of the control circuit so that it can drive the power transistor), which is called the drive circuit. [0003] Therefore, the drive circuit is one of the core components of electronic products. Therefore, in order to improve the stability and safety of the circuit and improve the drive capability, the traditional drive circuit is often designed very complicated, and the design of the complex drive circuit leads to relatively high product costs. And the circuit consumes a lot of power when it is running. Contents of the invention [0004] In order to solve the problems existing in the prior art, the present applicat...

Claims

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Application Information

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IPC IPC(8): H04R3/00
CPCH04R3/00H04R2430/00
Inventor 不公告发明人
Owner 上海悦期网络科技有限公司
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