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12 Jul Introduction. Ever wonder how your laptop battery knows when to stop charging when it is plugged into the wall, but the computer is powered. 5 Oct battery there are 2 TI chips of types BQDBT and BQ the Lenovo power management software shows “SANYO” in the manufacture. Texas Instruments BQDBT. Check pricing, availability, lifecycles and datasheets at Ciiva.

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How do bq80300dbt reset that? Hello, Glad you found it interesting! Free samples will be sent for your evaluation. TI, its suppliers and providers of content reserve the right to make corrections, deletions, modifications, bqdbt, improvements and other bqdbt to the content and materials, its products, programs and services at any time or to move or discontinue any content, bqdbt, programs, or services without notice. X December 12, at 5: You have to get a specific part number for specific voltages, the voltages are not configurable without replacing the chip.

DIY Laptop Battery Rebuild | Page 7 | NotebookReview

We are bqdbt that we were able to resolve this issue, and will now proceed to close this thread. If they do somewhere in the middle the BootLoader will be able to pass boot vector next to corrupted firmware and the method will not work? Very nice work, and good base for projects. Viktor June 12, at 4: What Notebook Should I Buy? I can’t help with individual cases I’m afraid. The cells is good, each holds a charge of 3. As bq8030rbt are useless for me without firmware, I will try to flash one sacrificial gauge with senc I have, just for experience, and bq88030dbt if it will work if any.


I repair computers for a sideline B8030dbt just hacked away at it until it started to work. Menu Search through millions of questions and answers User. For unknown reason I wanted to flash eep. Got it to communicate.

Not sure if this is safer or more dangerous than a metal frame. No one got a solution? I have pretty good skills in electronics and the “bloody” job is not is not a problem for me.

I have managed to copy flash and eeprom from ba, but somohow i cannot longer access the chip. Just send to manufacturrer access comand 0x in hex. Re-wire a battery charger Posted by Gdrumm bq8030dbh forum: From this point i could start working with. Trademarks Privacy Policy Terms of Use. The fuse was a guess based on the battery reading zero. All content and materials on this site are provided “as is”.

BQDBT Texas Instruments | Ciiva

It was just an assumption. I could have but didn’t think it would have helped a design flaw.

Fabian CApr 19, Viktor March 20, at Theoretically you could turn it into a bq20z90 by downloading the firmware from one and uploading that. Yeah, the hardest part is prying open the seams of the case without totally breaking them, so you can seal them back together again later. This was done with a one-off tool that isn’t included on github. And have you bq8030dt deal with sealed bq20z90 with ti firmware?


So the third step command will be different I guess? Any help would be appreciated I found in the datasheet for bq20zxx small quantity bq8030dbg information about this kind of reset, and even dedicated counter in the dinamic eeprom field allotted for this. I found I was barking up the wrong tree – bq is only for managing the gas gauge and there is a totally different circuitry for overload protection.

DIY Laptop Battery Rebuild

Yuriy Novak July 24, at 7: The controller should then re-learn the actual capacity in a charge cycle or three. Drew1Oct 3,in forum: Viktor November 29, at I was able to run bruteforce loops on the bq without needing to add any delay.

Mentions Tags More Cancel. Viktor February 19, at 4: Mykolas June 24, at Yes, my password is: Another qeustion can you provide qb8030dbt a technical reference manual for v4. bq8030dbf

Once the firmware started up with the correct data they just bq80330dbt working. On to the questions: My ThinkPad T battery has gone kaput. There are resources out there but unfortunately I can’t help you with that, Google is your friend.