DIY cheap powerbank (technical suggestions R welcome !)

[crazyguy]

use a large heat sink will increase the size of the powerbank

Well it's not so large, the width is only 14mm (0.55 inch) and the height 6mm (0.23 inch) !
And I was thinking I could trim its length according to the hot surfaces it has to be glued on on each side of the PCB ...

I don't think you can purchase this demo board anywhere, send a email to the IC company maybe they would be kind enough to give you a copy for testing

That's what I'll do.
Is Changdiantou a distributor only or the original IC company ?
Apparently, their website is about video rentals ... ?!?

chongdiantou is a forum interested in charger, they are not distributor

the IC company name is INJOINIC Technology
http://www.injoinic.com/
their website says
For English Datasheets, please mail to SERVICE@INJOINIC.COM

[crazyguy]

BTW, there is a BQ24295 that does the same thing, it can only boost to 1.5A, but it can charge at 3A. It is one of the rare USB OTG ICs that have a separate boost output other than charging input.

BQ24195 can boost to 5.1V@2.1A

I2C Controlled 2.5A/4.5A Single Cell Charger with 5.1V 1.3A/2.1A Synchronous Boost Operation
http://www.ti.com/product/bq24195

[ym58]

BTW, there is a BQ24295 that does the same thing, it can only boost to 1.5A, but it can charge at 3A. It is one of the rare USB OTG ICs that have a separate boost output other than charging input.

BQ24195 can boost to 5.1V@2.1A
I2C Controlled 2.5A/4.5A Single Cell Charger with 5.1V 1.3A/2.1A Synchronous Boost Operation
http://www.ti.com/product/bq24195

Those ones (BQ24195 and BQ24295) are killers and do everything I want (Boost 5V/1.5A or 2.1A and up to 4.5A CC charger) but honestly it does not worth designing a new PCB just for the beauty of gesture
In addition, I have no knowledge in I2C management designing ...
I would be better off with a ready made solution like the IP5109 stuff ....

[ym58]

chongdiantou is a forum interested in charger, they are not distributor
the IC company name is INJOINIC Technology
http://www.injoinic.com/
their website says
For English Datasheets, please mail to SERVICE@INJOINIC.COM

Thanks, I've just contacted them ... will let you all know about the status here.

[ym58]

the IC company name is INJOINIC Technology
their website says
For English Datasheets, please mail to SERVICE@INJOINIC.COM

[injoinic]

the IC company name is INJOINIC Technology
their website says
For English Datasheets, please mail to SERVICE@INJOINIC.COM

attachments is the datasheet of IP5318. IP5318 is a QC3.0 soc that has passed qualcomm QC3.0 verification

but how to upload attachment bigger than 1MB

[ym58]

attachments is the datasheet of IP5318. IP5318 is a QC3.0 soc that has passed qualcomm QC3.0 verification
but how to upload attachment bigger than 1MB

Hello Injoinic,

Thanks for joining the EEV community and posting in this thread ("DIY cheap powerbank (technical suggestions R welcome !") which I am the OP.

I suggest that you COMPRESS the size of your attachments, thus allowing you to post them here.
Another suggestion is to host the .PDFs somewhere in the cloud (for example in DROPBOX or GOOGLE DRIVE) and give us a public share link here !

Could you also provide us with the IP5109 and IP5209 datasheets ?

[injoinic]

attachments is the datasheet of IP5318. IP5318 is a QC3.0 soc that has passed qualcomm QC3.0 verification
but how to upload attachment bigger than 1MB

Hello Injoinic,

Thanks for joining the EEV community and posting in this thread ("DIY cheap powerbank (technical suggestions R welcome !") which I am the OP.

I suggest that you COMPRESS the size of your attachments, thus allowing you to post them here.
Another suggestion is to host the .PDFs somewhere in the cloud (for example in DROPBOX or GOOGLE DRIVE) and give us a public share link here !

Could you also provide us with the IP5109 and IP5209 datasheets ?

thanks
please download IP5209 and IP5318 datasheets @ http://www.injoinic.com/doc/pdf/IP5209%20datasheet%20v1.0_en.pdf
http://www.injoinic.com/doc/pdf/IP5318%20datasheet_en%20V1.0.pdf

For Your Information:
IP5109 has been upgated to IP5209 with pin to pin match.
IP5209's efficiency is higher than IP5109 @charger and booster.
And IP5209 has more featue such as DCP and BC1.2 support.
but his price hasn't changed.

[ym58]

For Your Information:
IP5109 has been upgated to IP5209 with pin to pin match.
IP5209's efficiency is higher than IP5109 @charger and booster.
And IP5209 has more featue such as DCP and BC1.2 support.
but his price hasn't changed.

Thanks for your links !
Two questions :
#1 have you already designed an IP5209-based prototype board like this one (Lithium charger and 5V booster) ?

#2 if yes, how is it possible to get samples for further testings ?

[injoinic]

For Your Information:
IP5109 has been upgated to IP5209 with pin to pin match.
IP5209's efficiency is higher than IP5109 @charger and booster.
And IP5209 has more featue such as DCP and BC1.2 support.
but his price hasn't changed.

Thanks for your links !
Two questions :
#1 have you already designed an IP5209-based prototype board like this one (Lithium charger and 5V booster) ?

#2 if yes, how is it possible to get samples for further testings ?

please give me your mailing address.

and you can also buy a powerbank using IP5209 IC from amazon
such as:
https://www.amazon.com/ROMOSS-20000mAh-Portable-External-Recharger/dp/B01DM4EYO8/ref=sr_1_15?ie=UTF8&qid=1470986008&sr=8-15&keywords=romoss+powerbank
https://www.amazon.com/20000mAh-Flashlight-Portable-External-Battery/dp/B01AAUFTN2/ref=sr_1_2?ie=UTF8&qid=1470985337&sr=8-2&keywords=arun+powerbank
https://www.amazon.com/mobile-power-ARUN-Universal/dp/B01D4F07X2/ref=sr_1_8?ie=UTF8&qid=1470986225&sr=8-8&keywords=arun+powerbank
etc...

[ym58]

please give me your mailing address.
and you can also buy a powerbank using IP5209 IC from amazon
such as:
https://www.amazon.com/ROMOSS-20000mAh-Portable-External-Recharger/dp/B01DM4EYO8/ref=sr_1_15?ie=UTF8&qid=1470986008&sr=8-15&keywords=romoss+powerbank
https://www.amazon.com/20000mAh-Flashlight-Portable-External-Battery/dp/B01AAUFTN2/ref=sr_1_2?ie=UTF8&qid=1470985337&sr=8-2&keywords=arun+powerbank
https://www.amazon.com/mobile-power-ARUN-Universal/dp/B01D4F07X2/ref=sr_1_8?ie=UTF8&qid=1470986225&sr=8-8&keywords=arun+powerbank
etc...

I will send you my mailing address by PM right away.

Thanks for the links, however I am rather looking for OEM parts.
BTW, are these three PowerBanks (ARUN and ROMOSS) all IP5209-based ?

[injoinic]

I will send you my mailing address by PM right away.
----- your mailing address is at france?our assistant  is finding Which Courier can reach

BTW, are these three PowerBanks (ARUN and ROMOSS) all IP5209-based ?   
 ---yes

[andry]

Hi @injoinic,

I'm very interested in your chip IP5209. Could you share the documentation on how to access I2C registers? Been searching it online, have not find any.

Thanks.

[uktron]

IP5306 registers map:
https://yadi.sk/i/dRp0HTF4oPCo2g

IP5209 IP5109 IP5207 IP5108 registers map:
https://yadi.sk/i/oNhqTei36jFwSg

A bit more about IP5108, but only russian language (google translater helps you):
https://wiki.iarduino.ru/page/Battery_Shield/

Battery Shield Libary for arduino (with Register description):
http://iarduino.ru/file/344.html

[andry]

Wow... big thanks!