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A digital lithium-ion battery management device based on type-c

A TYPE-C, lithium-ion battery technology, applied in the direction of battery circuit devices, circuit devices, battery overcharge protection, etc., can solve the problems of high cost, battery overcharge, poor circuit compatibility, etc., to achieve low cost and strong compatibility , to achieve the effect of overcharge and overdischarge protection

Active Publication Date: 2021-10-29
宗汉电通技术(深圳)有限公司
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0003] However, when the existing TYPE-C interface is charging the battery, it is easy to cause overcharging of the battery. Usually, it is necessary to set an overcharge and overdischarge protection circuit at the charger end or the consumer section. However, the cost is high, such as setting an overcharge protection circuit at the charger end. Poor compatibility of charging and over-discharging protection circuit

Method used

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  • A digital lithium-ion battery management device based on type-c
  • A digital lithium-ion battery management device based on type-c
  • A digital lithium-ion battery management device based on type-c

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Embodiment Construction

[0017] It should be noted that the above-mentioned technical features continue to be combined with each other to form various embodiments not listed above, which are all regarded as the scope of the description of the present invention; and, for those of ordinary skill in the art, improvements can be made according to the above description Or transformation, and all these improvements and transformations should belong to the protection scope of the appended claims of the present invention.

[0018] In order to facilitate the understanding of the present invention, the present invention will be described in more detail below in conjunction with the accompanying drawings and specific embodiments. Preferred embodiments of the invention are shown in the accompanying drawings. However, the present invention can be implemented in many different forms and is not limited to the embodiments described in this specification. On the contrary, these embodiments are provided to make the un...

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Abstract

The invention discloses a digital lithium-ion battery management scheme based on TYPE-C. A TYPE-C socket is connected to a power supply terminal to a receiving terminal of a single-chip microcomputer, and the other power supply terminal of the TYPE-C socket is connected to an input terminal of a spike suppression unit. , the output end of the peak suppression unit is connected to the input end of the filter unit, the output end of the filter unit is connected to the input end of the voltage conversion unit, the output end of the voltage conversion unit is connected to the lithium-ion battery socket, and the lithium-ion battery The socket is connected to the lithium-ion battery, the voltage conversion unit includes a DC / DC power management chip, the input end of the DC / DC power management chip is connected to the output end of the filter unit, and the control end of the DC / DC power management chip The communication terminal of the single-chip microcomputer is connected; the invention has low cost and strong compatibility, realizes overcharging and overdischarging protection of the battery, and has good market application value.

Description

technical field [0001] The invention relates to the field of power management, in particular to a digital lithium-ion battery management device based on TYPE-C. Background technique [0002] USB Type-C, also known as USB-C or Type-C, is a new universal serial bus (USB) hardware interface form, which was born with the latest USB 3.1 standard. Type-C is a brand-new interface formulated by the USB standardization organization to solve the long-term inconsistencies in the physical interface specifications of the USB interface, and the power can only be transmitted in one direction. Direction insertion, compared with Micro-USB, users no longer need to distinguish the front and back of the USB. And it integrates charging, display, data transmission and other functions in one. Due to its excellent performance, it has been widely used in the field of electronic equipment. At present, almost all new generation mobile communication equipment support TYPE-C interface. [0003] Howev...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02J7/00
CPCH02J7/0029H02J7/0045H02J7/00302H02J7/00306
Inventor 吴云如
Owner 宗汉电通技术(深圳)有限公司
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