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Drive control circuit for car navigation system

A technology for driving control circuits and vehicle navigation. It is used in instruments, static indicators, etc., and can solve the problems of complex circuit structure, poor stability and high cost.

Inactive Publication Date: 2016-08-17
GOLDHONOR MOBILE ELECTRONICS
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  • Summary
  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

The existing supporting circuits all use a variety of professional control chips, the circuit structure is complex, the cost is high, and the stability is poor

Method used

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  • Drive control circuit for car navigation system

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Embodiment Construction

[0016] 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.

[0017] First of all, before describing the embodiments, it is necessary to explain some terms appearing in this text. For example:

[0018] Herein, terms such as "first" and "second" may be used to describe various elements, but these elements should not be limited by these terms. These terms are only used to distinguish one element from another. Thus, a "first" element could also be termed a "second" element without departing from the teachings of the prese...

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Abstract

The invention discloses a drive and control circuit of a car navigation system. The drive and control circuit comprises a DC / DC boost chip, a resistor R69, a resistor R73, a resistor R72, a resistor R10, a resistor R12, an inductor L9, an inductor L10, a capacitor C8, a capacitor C21, a capacitor C35, a capacitor C34, a capacitor C25, a capacitor C24, a capacitor C23, a capacitor C29, a capacitor C28, a rectifier diode D3, a switching diode D4, a switching diode D5, a voltage-regulator diode ZD1, a voltage-regulator diode ZD6, a capacitor EC6, a capacitor EC8, a capacitor EC9 and a capacitor EC10. The drive and control circuit of the car navigation system is simple in structure, low in cost and relatively stable.

Description

technical field [0001] The invention relates to a control circuit, in particular to a driving control circuit of a vehicle navigation system. Background technique [0002] With the development of automobile technology, the use of navigation display devices is becoming more and more popular, and drivers are increasingly dependent on navigation display devices when driving. Generally speaking, the existing navigation display device uses a large-screen display screen to display road instructions, and the driver completes various manipulations by operating the display screen. In order to make the entire navigation device work, a supporting circuit is required to drive and control the navigation display device. The existing supporting circuits all adopt various professional control chips, the circuit structure is complex, the cost is high, and the stability performance is poor. Contents of the invention [0003] Aiming at the deficiencies of the prior art above, the technical...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G09G3/36
Inventor 易春华
Owner GOLDHONOR MOBILE ELECTRONICS
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