WO2019056249A1 - Pdvd 5v电源管理*** - Google Patents

Pdvd 5v电源管理*** Download PDF

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Publication number
WO2019056249A1
WO2019056249A1 PCT/CN2017/102626 CN2017102626W WO2019056249A1 WO 2019056249 A1 WO2019056249 A1 WO 2019056249A1 CN 2017102626 W CN2017102626 W CN 2017102626W WO 2019056249 A1 WO2019056249 A1 WO 2019056249A1
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WO
WIPO (PCT)
Prior art keywords
chip
circuit
battery
power management
charging
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PCT/CN2017/102626
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English (en)
French (fr)
Inventor
雷德刚
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深圳市科金明电子股份有限公司
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Publication date
Application filed by 深圳市科金明电子股份有限公司 filed Critical 深圳市科金明电子股份有限公司
Priority to PCT/CN2017/102626 priority Critical patent/WO2019056249A1/zh
Priority to CN201790000486.6U priority patent/CN209472405U/zh
Publication of WO2019056249A1 publication Critical patent/WO2019056249A1/zh

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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries

Definitions

  • the utility model relates to a device for charging a battery pack or for supplying power from a battery pack to a load, in particular to a PDVD 5V power management system.
  • the well-known PDVD product power management system is charged with a 9-12V power input.
  • the battery must use two batteries of 7.4V, which is costly.
  • the charger power management system and the charging management system separately manage the chips, and the structure is complicated and the cost is high. This is its shortcoming.
  • the technical solution adopted by the utility model to solve the technical problem thereof is: providing a PDVD 5V power management system, comprising: a charging power management chip circuit and a charging current control chip circuit connected thereto, a battery protection chip circuit, and a double MOS protection tube circuit and 3.7V polymer battery pack, where:
  • the function of the charging power management chip circuit is to charge and discharge the battery and provide a stable 5V output voltage
  • the function of the charging current control chip circuit is to monitor and control the battery charging current
  • the function of the battery protection chip circuit is to supercharge, over discharge, over-current, short-circuit monitoring and protection of the battery;
  • the function of the dual MOS protection tube circuit is to protect the battery when the battery voltage and current exceeds the specified value.
  • the charging power management chip may be a JH8500 chip
  • the charging current control chip can be a JH1622 chip
  • the battery protection chip can be a DW01 chip
  • the dual MOS protection tube module can be an 8205 integrated block
  • the 3.7V polymer battery can be a BATTERY polymer battery.
  • 5V power input to the charge and discharge power management chip output up to 5V 2.1A regulated output to PDVD required circuit power supply, while charging the battery, control the battery charging current through the current control chip, the battery protection circuit will not protect the battery Charge the battery and damage it.
  • the utility model has the beneficial effects that the PDVD power input no longer needs 9-12V, and only needs to use the 5V power adapter input. Use the micro USB power socket to charge the unit directly using the Android phone 5V power adapter, mobile power, etc.
  • Figure 1 is a block diagram showing the electrical structure of the present invention.
  • FIG. 1 is an electrical schematic diagram of a 5V microUSB power input socket circuit of the present invention.
  • FIG 3 is an electrical schematic diagram of the electrical switch circuit of the present invention.
  • FIG 4 is an electrical schematic diagram of the charging power management chip circuit 1 of the present invention.
  • FIG. 5 is an electrical schematic diagram of the charging current control chip circuit 2 of the present invention.
  • FIG. 6 is an electrical schematic diagram of the battery protection chip circuit 3 of the present invention.
  • 1 is a charging power management chip circuit
  • 2 is a charging current control chip circuit
  • 3 is a battery protection chip circuit
  • 4 is a double MOS protection tube circuit
  • 5 is a 3.7V polymer battery pack.
  • the present invention provides a PDVD 5V power management system, comprising: a charging power management chip 1 and a charging current control chip 2 connected thereto, a battery protection chip 3, a dual MOS protection tube circuit 4 and 3.7 V polymer battery pack 5, wherein:
  • the function of the charging power management chip circuit 1 is to charge and discharge the 3.7V polymer battery pack 5 and provide a stable 5V output voltage;
  • the function of the charging current control chip circuit 2 is to monitor and control the charging current of the 3.7V polymer battery pack 5. system;
  • the function of the battery protection chip circuit 3 is: overcharging, over-discharging, over-current, short-circuit monitoring and protection of the 3.7V polymer battery pack 5;
  • the function of the dual MOS protection tube circuit 4 is to protect the battery when the voltage current of the 3.7V polymer battery pack 5 exceeds a prescribed value.
  • the chip of the charging power management chip circuit 1 is a JH8500 chip, and the JH8500 internal booster boosts the output voltage to 5V to provide a 5V regulated power supply to the PDVD.
  • the charging indicator LED lights up and the internal linear charging is performed. The battery will begin to charge the battery until the battery is fully charged to 4.2V and the charge indicator LED is off.
  • the chip of the charging current control chip circuit 2 is a JH1622 chip; when the power is input, the JH1622 automatically enters a low current state, and the battery current is reduced to less than 2A. It is also possible to set the JH1622 in buck mode to reduce the supply current to 25 ⁇ A. Monitor the current and undervoltage lockout.
  • the chip of the battery protection chip circuit 3 is a DW01 chip, and the DW01 monitors the battery for overcharging, over-discharging, and short-circuiting. When the specified value is exceeded, the control voltage is output to the 8205 to protect the battery pack.
  • the dual MOS protection tube circuit 4 uses an 8205 integrated block
  • the 3.7V polymer battery pack is a BATTERY polymer battery pack.
  • 5V power input to the charge and discharge power management chip output up to 5V 2.1A regulated output to PDVD required circuit power supply, while charging the battery, control the battery charging current through the current control chip, the battery protection circuit will not protect the battery Charge the battery and damage it.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Secondary Cells (AREA)

Abstract

一种PDVD 5V电源管理***，包括充电电源管理芯片电路及与之连接的充电电流控制芯片电路、电池保护芯片电路、双MOS保护管电路和3.7V聚合物电池组，所述充电电源管理芯片电路所用芯片是JH8500芯片；充电电流控制芯片电路所用芯片是JH1622芯片；电池保护芯片电路所用芯片是DW01芯片；双MOS保护管电路是8205集成块；3.7V聚合物电池组是BATTERY聚合物电池组。其优点是PDVD电源输入不再需要9-12V，只需使用5V电源适配器输入。使用micro USB电源插座，可直接使用安卓手机5V电源适配器、移动电源等给本机充电。

Description

PDVD 5V电源管理*** 技术领域
本实用新型涉及用于电池组的充电或用于由电池组向负载供电的装置，尤指一种PDVD 5V电源管理***。
背景技术
公知的PDVD产品电源管理***用9-12V电源输入充电。电池必须用到7.4V两节电池，成本高。其充电器电源管理***和充电管理***为各自单独管理芯片，构造复杂、成本高。这是其缺点。
发明内容
针对现有技术的缺点，本实用新型的目的在于提供一种PDVD 5V电源管理***。
本实用新型解决其技术问题所采用的技术方案是：提供一种PDVD 5V电源管理***，其特征在于：包括充电电源管理芯片电路及与之连接的充电电流控制芯片电路、电池保护芯片电路、双MOS保护管电路和3.7V聚合物电池组，其中：
充电电源管理芯片电路的作用是：对电池进行充放电控制和提供稳定的5V输出电压；
充电电流控制芯片电路的作用是：对电池充电电流进行监测控制；
电池保护芯片电路的作用是：对电池进行过充，过放，过流，短路的监测和保护；
双MOS保护管电路的作用是：电池电压电流超过规定值时对电池进行保护。
进一步地：
所述充电电源管理芯片可以是JH8500芯片；
充电电流控制芯片可以是JH1622芯片；
电池保护芯片可以是DW01芯片；
双MOS保护管模块可以是8205集成块；
3.7V聚合物电池组可以是BATTERY聚合物电池组。
5V电源输入到充放电电源管理芯片，输出最高5V 2.1A稳压输出给PDVD所需电路供电，同时给电池充电，通过电流控制芯片控制电池的充电电流，经电池保护电路保护电池不会因过充过放而损坏电池。
本实用新型的有益效果是：PDVD电源输入不再需要9-12V，只需使用5V电源适配器输入。使用micro USB电源插座，可直接使用安卓手机5V电源适配器、移动电源等给本机充电。
附图说明
下面结合附图对本实用新型作进一步的描述。
图1是本实用新型的电气结构方框图。
图1是本实用新型的5VmicroUSB电源输入插座电路电气原理图。
图3是本实用新型的电气开关电路电气原理图。
图4是本实用新型的充电电源管理芯片电路1电气原理图。
图5是本实用新型的充电电流控制芯片电路2电气原理图。
图6是本实用新型的电池保护芯片电路3电气原理图。
图中：1为充电电源管理芯片电路、2为充电电流控制芯片电路、3为电池保护芯片电路、4为双MOS保护管电路、5为3.7V聚合物电池组。
具体实施方式
参见附图，本实用新型一种PDVD 5V电源管理***，其特征在于：包括：充电电源管理芯片1及与之连接的充电电流控制芯片2、电池保护芯片3、双MOS保护管电路4和3.7V聚合物电池组5，其中：
充电电源管理芯片电路1的作用是:对3.7V聚合物电池组5进行充放电控制和提供稳定的5V输出电压；
充电电流控制芯片电路2的作用是：对3.7V聚合物电池组5充电电流进行监测控 制；
电池保护芯片电路3的作用是：对3.7V聚合物电池组5进行过充，过放，过流，短路的监测和保护；
双MOS保护管电路4的作用是：3.7V聚合物电池组5电压电流超过规定值时对电池进行保护。
在本实用新型的实施例中：
所述充电电源管理芯片电路1的芯片是JH8500芯片，JH8500内部增压器将输出电压提升到5V给PDVD提供5V稳压电源，当有电源输入时，充电指示灯LED亮起，同时内部线性充电器将开始为电池充电直到电池充满电至4.2V，充电指示灯LED熄灭。
所述充电电流控制芯片电路2的芯片是JH1622芯片；当电源输入时JH1622自动进入低电流状态，将电池组电流降至小于2A。也可以将JH1622设置在降压模式，将电源电流降至25μA。对电流进行监控器，欠压锁定。
所述电池保护芯片电路3的芯片是DW01芯片，DW01监测电池过充，过放，短路，当超过规定值时输出控制电压给8205对电池组进行保护。
双MOS保护管电路4采用8205集成块；
所述3.7V聚合物电池组是BATTERY聚合物电池组。
5V电源输入到充放电电源管理芯片，输出最高5V 2.1A稳压输出给PDVD所需电路供电，同时给电池充电，通过电流控制芯片控制电池的充电电流，经电池保护电路保护电池不会因过充过放而损坏电池。

Claims (2)

  1. 一种PDVD 5V电源管理***，其特征在于：包括充电电源管理芯片电路及与之连接的充电电流控制芯片电路、电池保护芯片电路、双MOS保护管电路和3.7V聚合物电池组，其中：
    充电电源管理芯片电路的作用是：对电池进行充放电控制和提供稳定的5V输出电压。
    充电电流控制芯片电路的作用是：对电池充电电流进行监测控制。
    电池保护芯片电路的作用是：对电池进行过充，过放，过流，短路的监测和保护。
    双MOS保护管电路的作用是：电池电压电流超过规定值时对电池进行保护。
  2. 根据权利要求1所述的PDVD 5V电源管理***，其特征在于：所述充电电源管理芯片电路所用芯片是JH8500芯片；充电电流控制芯片电路所用芯片是JH1622芯片；电池保护芯片电路所用芯片是DW01芯片；双MOS保护管电路是8205集成块；3.7V聚合物电池组是BATTERY聚合物电池组。
PCT/CN2017/102626 2017-09-21 2017-09-21 Pdvd 5v电源管理*** WO2019056249A1 (zh)

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CN205282574U (zh) * 2015-11-30 2016-06-01 深圳市然然电子有限公司 一种电池的新型电芯结构
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CN201234150Y (zh) * 2008-07-01 2009-05-06 林培林 一种移动dvd三串锂电池充电管理电路
US20110227537A1 (en) * 2010-03-16 2011-09-22 Creator Teknisk Utveckling Ab Combined battery charger and battery equalizer
CN202142299U (zh) * 2011-07-29 2012-02-08 深圳市阿龙电子有限公司 一种便携式dvd播放机电源管理ic及dvd播放机
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111600354A (zh) * 2020-06-03 2020-08-28 桑顿新能源科技(长沙)有限公司 梯次利用电池的配组保护***和电池组组成方法

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