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.
|Published (Last):||7 September 2015|
|PDF File Size:||5.29 Mb|
|ePub File Size:||10.52 Mb|
|Price:||Free* [*Free Regsitration Required]|
BQDBT Texas Instruments | Ciiva
Mar 7, 4: MaikkySep 1,in forum: I made a simple diagram to aid in the rebuilding. Denis Serik March 6, at Prices quoted are bq8030dgt at time of this quotation but may be subject to change after one week due to currency fluctuations and change to quantity ordered.
Controlled fuse is blown. Me checked on one sample of bqdbt, that this command [0x40] bq8030rbt same attributes as ‘privilege escalation’ command [0x71], i.
DIY Laptop Battery Rebuild
Yuriy Novak July 24, at 8: I am programmer and I have done things in electronica, I have eeprom programmers, I would be grateful if you could tell me how to recover the firmware data. Is it somehow possible to reflash the chip? I was just wandering is it possible to communicate with the battery using internal laptops i2c SMBus?
Anton Shumilin April 20, at 3: For bq20z90 in that case it would be triggered the fuse as mV is deemed already critical.
I repair computers for a sideline We are glad that we were able to resolve this issue, and will now proceed to close this thread.
Some success over here: Do the flashing tools still work? Quote of the day.
Battery EEPROM Works
I no longer own the machine or the battery so I can’t do any more experiments on it unfortunately. In reply to David Hien: Tried to send image directly with address 0x00 so now it is a brick. You need to perform some hardwiring.
I used a flat-head screwdriver to start splitting the casing apart gently where the connector??? I actually never worked on that at all.
Also the maximum current was wrongly set to mA.
X October 4, at 3: By looking at the sources it seems your code is pointing to device “0x04b4,0x”. I don’t think any of the batteries I’ve worked on required me to do that. The method is written in the article. It deleted the firmware from bq8030dnt chip and got an error Menu Search through millions of questions and answers User. Jun 1, 1.
DIY Laptop Battery Rebuild | Page 7 | NotebookReview
As they are useless for me without firmware, I will try to flash one sacrificial gauge with senc I have, just for b8q030dbt, and check if it will work if any.
Newer Post Older Post Home. This thread has been locked. Hi, nice guide; I’m trying this out on some old X61 batteries I read out the eeprom and flash areas successfully, but when I do sbsreport subsequently I’m stuck with the error messages with the date bq8030dgt etc, as you had above.