3002 21700 5V3A Power Bank:修订间差异

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(创建页面,内容为“== '''关键词''' == 树莓派4B、Raspberry Pi、21700动力电池、5V2A、5V3A、5V4A、交互串口、串口命令、边充边放、实时电压检测 == '''一、简介''' == 21700电源模块专为树莓派设计,可通过顶针或者USB口对树莓派进行供电。板上分为两个区域,左侧为典型的充电宝设计,充电和放电同口,也就是接入外部电源即可对电池进行充电,接入用电设备即可对外供电,充…”)
 
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== '''关键词''' ==
[[3002 21700 5V3A树莓派专用电源模块|切换语言为中文]]
树莓派4B、Raspberry Pi、21700动力电池、5V2A、5V3A、5V4A、交互串口、串口命令、边充边放、实时电压检测


== '''一、简介''' ==
== '''Keywords''' ==
21700电源模块专为树莓派设计,可通过顶针或者USB口对树莓派进行供电。板上分为两个区域,左侧为典型的充电宝设计,充电和放电同口,也就是接入外部电源即可对电池进行充电,接入用电设备即可对外供电,充电可达2.8A,放电可达5V2A。右侧区域为电池升压电路,具备一个电源总开关,可通过镀金顶针为树莓派供电,另外还具备两路USB-A口对其它外设供电,同时还可以通过串口查看电池信息。电池电路支持边冲边放,具备充电的过充保护,过热保护和放电的过热保护、过流保护、欠压保护、短路保护。实测顶针版接树莓派4B播放1080P视频的续航测试可达10小时。
Raspberry 4B, Raspberry Pi, 21700 Power Battery, 5V2A, 5V3A, 5V4A, Interactive Serial Port, Serial Port Commands, Charge and Discharge Simultaneously, Real-time Voltage Monitoring


== '''二、硬件资源''' ==
== '''I. Introduction''' ==
The 21700 power module is specifically designed for the Raspberry Pi and can supply power to it via pogo pins or a USB port. The board is divided into two areas. On the left side, there is a typical power bank design where charging and discharging share the same port. This means that connecting an external power source will charge the battery, while connecting a device will allow it to be powered externally. The charging capacity can reach up to 2.8A, and the discharging capacity can provide up to 5V2A. The right side of the board features a battery boost circuit with a main power switch. It can supply power to the Raspberry Pi through gold-plated pogo. Additionally, it has two USB-A ports for powering other peripherals. Furthermore, battery information can be viewed via a serial interface. The battery circuit supports simultaneous charging and discharging, and it comes equipped with overcharge protection, overheat protection during charging, as well as overheat protection, overcurrent protection, undervoltage protection, and short-circuit protection during discharging. Practical tests have shown that when connected to a Raspberry Pi 4B playing 1080P video, the battery life can last up to 10 hours using the probe version.


=== 1. 硬件特征 ===
== '''II. Hardware Resources''' ==
*适用于Raspberry Pi系列主板,5V2A和5V4A两路相互独立的双输出接口;


*5V2A端,提供三种类型的接插件(USB-C,USB-A,micro USB),并支持同进同出,即输入5V进入充电模式,接入用电设备变成放电模式;
=== 1. Hardware Features ===
*Suitable for Raspberry Pi series motherboards, featuring two independently dual output interfaces: one at 5V2A and the other at 5V4A.


*5V2A USB-A口支持给iphone充电,支持给安卓充电;
*The 5V2A port offers three types of connectors (USB-C, USB-A, micro USB) and supports simultaneous input and output. This means that when 5V is input, it enters charging mode, and when a device is connected, it switches to discharging mode.


*5V4A稳定输出,UPS不间断电源,且有双USB大电流接口,共享4A电流,也可以用顶针供电;
*The 5V2A USB-A port supports charging both iPhone and Android devices.


*一路输出开关和一路输出控制按键,可用于控制两路USB-A口;
*The 5V4A output provides stable power, functioning as a UPS. It features dual USB high-current ports that share a 4A current and can also supply power via pogo pins.


*板载4盏电量指示灯;
*One output switch and one output control button are provided to manage the two USB-A ports.


*一个电量指示按键,用于查看电量指示;
*The board features four LED lights for indicating the battery level.


*一个电源指示灯;
*A battery level indicator button is provided to check the battery status.


*顶针版用串口顶针;USB版本,板载串口插针,均用于串口交互;
*A power status indicator light.


*2节21700电池并联,容量10000mAh(MAX),也可只用一节电池;
*The probe version features serial communication pogo pins, while the USB version includes onboard serial communication pins. Both are used for serial communication.


*尺寸:85*56mm;高度38.6mm:从底部亚克力到板上铜柱;
*Two 21700 batteries can be connected in parallel, providing a maximum capacity of 10000mAh. The module can also operate using just one battery.


*PCB板沉金工艺,无铅生产;PCB板通过UL和ROHS认证,防火等级94V-0。
*Size: 85*56mm; Height: 38.6mm, measured from the bottom acrylic plate to the copper pillars on the board.
 
*The PCB board uses a gold plating process and is produced without lead. The PCB board has passed UL and ROHS certification, with a fire resistance rating of 94V-0.


http://www.mcuzone.com/wiki/3002_21700_Power_Supply/3002_21700_Power_Supply_31.jpg
http://www.mcuzone.com/wiki/3002_21700_Power_Supply/3002_21700_Power_Supply_31.jpg


=== 2. 产品特点 ===
=== 2. Product Features ===
*MCU用于电源管理,并支持串口输出,用于提示电池电压和输出电压;
*MCU用于电源管理,并支持串口输出,用于提示电池电压和输出电压;


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*充电头(输入)检测功能。
*充电头(输入)检测功能。


=== 3. 串口输出特征 ===
=== 3. Serial port output characteristics ===
*自动上报电池电压和输出端电压,上位机系统可据此估算系统续航时间并提前做好数据保护。上报间隔可通过命令设置,默认间隔为2秒;
*自动上报电池电压和输出端电压,上位机系统可据此估算系统续航时间并提前做好数据保护。上报间隔可通过命令设置,默认间隔为2秒;


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http://www.mcuzone.com/wiki/3002_21700_Power_Supply/3002_21700_Power_Supply_32.jpg
http://www.mcuzone.com/wiki/3002_21700_Power_Supply/3002_21700_Power_Supply_32.jpg


=== 4. 电池说明 ===
=== 4. Battery Description ===
本产品使用两节21700动力锂电池并联提供电源,可提供长时间续航,可靠放电能力达10A以上,确保5V2A加5V4A足功率双输出。采用开关模式充电,所以即便充电电流达到2.8A,芯片和电池也不会出现过热保护情况。建议采用5V2.5A以上的适配器充电;如果适配器达不到2.5A的输出能力,可能会导致充电时充电头保护(充不进)甚至损坏。
本产品使用两节21700动力锂电池并联提供电源,可提供长时间续航,可靠放电能力达10A以上,确保5V2A加5V4A足功率双输出。采用开关模式充电,所以即便充电电流达到2.8A,芯片和电池也不会出现过热保护情况。建议采用5V2.5A以上的适配器充电;如果适配器达不到2.5A的输出能力,可能会导致充电时充电头保护(充不进)甚至损坏。


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因用户自备的电源适配器充电,导致电池炸了或器件损坏,概不保修,请用优质正品电源,或从我司采购。
因用户自备的电源适配器充电,导致电池炸了或器件损坏,概不保修,请用优质正品电源,或从我司采购。


=== 5. 电量指示与输出控制 ===
=== 5. Power indication and output control ===
可通过电量检测按键查看剩余电量:
可通过电量检测按键查看剩余电量:


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http://www.mcuzone.com/wiki/3002_21700_Power_Supply/3002_21700_Power_Supply_35.jpg
http://www.mcuzone.com/wiki/3002_21700_Power_Supply/3002_21700_Power_Supply_35.jpg


=== 6. 双输出的应用 ===
=== 6. Dual output application ===
本产品的一个大特点是支持双输出:
本产品的一个大特点是支持双输出:



2024年11月22日 (五) 14:09的版本

切换语言为中文

Keywords

Raspberry 4B, Raspberry Pi, 21700 Power Battery, 5V2A, 5V3A, 5V4A, Interactive Serial Port, Serial Port Commands, Charge and Discharge Simultaneously, Real-time Voltage Monitoring

I. Introduction

The 21700 power module is specifically designed for the Raspberry Pi and can supply power to it via pogo pins or a USB port. The board is divided into two areas. On the left side, there is a typical power bank design where charging and discharging share the same port. This means that connecting an external power source will charge the battery, while connecting a device will allow it to be powered externally. The charging capacity can reach up to 2.8A, and the discharging capacity can provide up to 5V2A. The right side of the board features a battery boost circuit with a main power switch. It can supply power to the Raspberry Pi through gold-plated pogo. Additionally, it has two USB-A ports for powering other peripherals. Furthermore, battery information can be viewed via a serial interface. The battery circuit supports simultaneous charging and discharging, and it comes equipped with overcharge protection, overheat protection during charging, as well as overheat protection, overcurrent protection, undervoltage protection, and short-circuit protection during discharging. Practical tests have shown that when connected to a Raspberry Pi 4B playing 1080P video, the battery life can last up to 10 hours using the probe version.

II. Hardware Resources

1. Hardware Features

  • Suitable for Raspberry Pi series motherboards, featuring two independently dual output interfaces: one at 5V2A and the other at 5V4A.
  • The 5V2A port offers three types of connectors (USB-C, USB-A, micro USB) and supports simultaneous input and output. This means that when 5V is input, it enters charging mode, and when a device is connected, it switches to discharging mode.
  • The 5V2A USB-A port supports charging both iPhone and Android devices.
  • The 5V4A output provides stable power, functioning as a UPS. It features dual USB high-current ports that share a 4A current and can also supply power via pogo pins.
  • One output switch and one output control button are provided to manage the two USB-A ports.
  • The board features four LED lights for indicating the battery level.
  • A battery level indicator button is provided to check the battery status.
  • A power status indicator light.
  • The probe version features serial communication pogo pins, while the USB version includes onboard serial communication pins. Both are used for serial communication.
  • Two 21700 batteries can be connected in parallel, providing a maximum capacity of 10000mAh. The module can also operate using just one battery.
  • Size: 85*56mm; Height: 38.6mm, measured from the bottom acrylic plate to the copper pillars on the board.
  • The PCB board uses a gold plating process and is produced without lead. The PCB board has passed UL and ROHS certification, with a fire resistance rating of 94V-0.

3002_21700_Power_Supply_31.jpg

2. Product Features

  • MCU用于电源管理,并支持串口输出,用于提示电池电压和输出电压;
  • 两路MOSFET用于输出控制,支持低电压关闭输出,支持手动或串口命令关闭/打开输出;
  • 充电头(输入)检测功能。

3. Serial port output characteristics

  • 自动上报电池电压和输出端电压,上位机系统可据此估算系统续航时间并提前做好数据保护。上报间隔可通过命令设置,默认间隔为2秒;
  • 自动点亮电量指示LED,方便观察,可通过命令设置点亮间隔,默认为1分钟;
  • 可设置电池低电压保护阈值,默认为3V关闭输出;
  • 可查询系统上电总时长;
  • 可通过命令关闭/打开两路输出;
  • 可设置按键用于控制其中一路输出或者两路输出。
注意:不支持电流采样。

串口线用于数据传输,连接如下图所示:

3002_21700_Power_Supply_32.jpg

4. Battery Description

本产品使用两节21700动力锂电池并联提供电源,可提供长时间续航,可靠放电能力达10A以上,确保5V2A加5V4A足功率双输出。采用开关模式充电,所以即便充电电流达到2.8A,芯片和电池也不会出现过热保护情况。建议采用5V2.5A以上的适配器充电;如果适配器达不到2.5A的输出能力,可能会导致充电时充电头保护(充不进)甚至损坏。

电池极性和安装说明:

3002_21700_Power_Supply_33.jpg

21700电池能量巨大,请千万看清楚方向再放入电池座。一旦插反很可能会冒烟起火甚至爆炸,为了大家安全着想,请仔细核对,非必要请勿插拔!

对于因电池接反导致的任何风险我们概不承担,请小心使用;且因电池接反导致的器件损坏不在保修范围内。

因用户自备的电源适配器充电,导致电池炸了或器件损坏,概不保修,请用优质正品电源,或从我司采购。

5. Power indication and output control

可通过电量检测按键查看剩余电量:

3002_21700_Power_Supply_34.jpg

可通过输出控制按键控制USB1或者USB2输出:

3002_21700_Power_Supply_35.jpg

6. Dual output application

本产品的一个大特点是支持双输出:

一路为5V2A,常开输出;可以同时接3个外部设备,也可以边冲边放,即一进两出;不管同时接2路还是3路,均共享5V2A。

一路为5V4A大功率输出,具备顶针接口和2个USB-A接口;因此,若使用顶针版,此路输出口可同时接3个设备,共享5V4A。

此应用最多可以同时接6个设备;若边冲边放,可同时接5个设备,可支持树莓派、4G模块、舵机、雷达模组等用同一个电源模块同时工作,解决供电问题。

3002_21700_Power_Supply_36.jpg

三、串口交互(树莓派OS)

此操作基于树莓派OS版本为:2024-10-22-raspios-bookworm-armhf.img.xz

树莓派OS下载地址:

https://www.raspberrypi.com/software/operating-systems/#raspberry-pi-os-64-bit

3.1 配置树莓派OS

左上角树莓派标志—Preferences—Raspberry Pi Configuration—Interfaces

将Serial Port打开,Serial Console关闭,如图所示:

3002_21700_Power_Supply_19.jpg

这样就完成了串口配置。

3.2 查看电源实时参数

使用串口命令进行交互,串口软件可以使用minicom或者CuteCom,安装命令如下:

sudo apt install minicom

sudo apt install cutecom

在树莓派OS下,交互串口为ttyS0(注意,S为大写)。

3.2.1 使用minicom软件

打开树莓派终端,运行minicom:

sudo minicom -D /dev/ttyS0

即可看到交互信息:

3002_21700_Power_Supply_15.jpg

DCINPUT:直流输入电压

OUTPUT1:输出电压1

OUTPUT2:输出电压2

BATTERY:电池电压

3.2.2 使用CuteCom软件

运行CuteCom软件,打开ttyS0串口,在输出窗口中查看交互信息:

3002_21700_Power_Supply_16.jpg

3.3 运行电源系统控制命令

运行CuteCom软件,打开ttyS0串口,在输入(Input)窗口中输入命令,在输出窗口中查看相应的返回信息。

ATE表示查询系统总运行时长:

3002_21700_Power_Supply_17.jpg

AV3.1E表示电池电压低于3.1V时关闭电源输出:

3002_21700_Power_Supply_18.jpg

常用控制命令列表:

3002_21700_Power_Supply_26.jpg

四、串口交互(Ubuntu系统)

此操作基于Ubuntu系统版本为:ubuntu-24.10-preinstalled-desktop-arm64+raspi.img.xz

Ubuntu系统下载地址:

https://ubuntu.com/download/raspberry-pi

4.1 设置配置

修改Ubuntu系统的配置:

sudo nano /boot/firmware/cmdline.txt

3002_21700_Power_Supply_20.jpg

删除红框中的文字,然后保存退出:

console=tty1

3002_21700_Power_Supply_21.jpg

sudo nano /boot/firmware/config.txt

3002_21700_Power_Supply_22.jpg

添加红框中的文字,然后保存退出:

enable_uart=1

3002_21700_Power_Supply_23.jpg

修改完毕后重启系统。

4.2 查看电源实时参数

串口软件可以使用minicom或者CuteCom,安装命令如下:

sudo apt install minicom

sudo apt install cutecom

在Ubuntu系统下,交互串口为ttyS0(注意,S为大写)。

4.2.1 使用minicom软件

打开Ubuntu系统终端,运行minicom:

sudo minicom -D /dev/ttyS0

即可看到交互信息:

3002_21700_Power_Supply_27.jpg

4.2.2 使用CuteCom软件

运行CuteCom软件,打开ttyS0串口,在输出窗口中查看交互信息:

sudo cutecom

3002_21700_Power_Supply_25.jpg

五、产品图片

3002_21700_Power_Supply_28.jpg

3002_21700_Power_Supply_29.jpg

3002_21700_Power_Supply_30.jpg

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