Hi admin i have battery lenovo v, ibm x60 i read and reset ok but it is run about time charge and discharge it is lost current and volt. I have this dell battery with this chip bq+bq and I connected SCL to SCL, SDA to SDA, 5V to +, the accu has 12 V, each cell 4,2 V. Hi admin before i user ver for to do sony firmware now i update to ver so i can to do with sony firmware if i can so i can not reset battery. Author: Faugul Zulukasa Country: Pacific Islands Language: English (Spanish) Genre: Spiritual Published (Last): 26 August 2006 Pages: 207 PDF File Size: 6.64 Mb ePub File Size: 19.36 Mb ISBN: 900-9-57775-720-5 Downloads: 57745 Price: Free* [ *Free Regsitration Required] Uploader: Have you seen one exploding? Content on this site may contain or be subject to specific guidelines or limitations on use.

Aug 28, 2016 - It's at this point that I coded up the flash tool to try and read the flash contents. Could it just have been the erratic resetting of the chip that triggered the malfunction? I found in the datasheet for bq20zxx small quantity of information about this kind of reset,.

Posted by Viktor at 3: FX2LIB should provide that functionality in the form of having a define for the port’s registers. Battery EEPROM Works • View topic – reset bq sanyo with battery lenovo 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 at etc, as you had above. Just send to manufacturrer access comand 0x in hex. In order to add this functionality to FX2LP it is required to add new function to bitbang the output pin i. Theoretically you could turn it into a bq20z90 by downloading the firmware from one and uploading that.

Viktor December 26, at 5: If you did a full erase it should default to the boot-rom. Me checked on one sample of bqdbt, that this command [0x40] has same attributes as ‘privilege escalation’ command [0x71], i. Viktor November 27, at 1: I also get an error seen below. It sounds like you’re talking about the calibration values in the static area. Yuriy Novak July 24, at 7: Viktor November 13, at 9: Shoot me an email: It is possible to flash firmware between chips but you need to be in the boot-rom otherwise the tool won’t work. Viktor April 5, at 7: Mykolas May 27, at 2: Then I slowly started to dismantle the old battery pack for the solder tabs connected to the pcb.

The EC manages bq8003 bus by itself and only provides an abstracted interface that’s accessible to drivers. The procedure for accessing the Boot ROM on those chips is documented in datasheets and application notes. Denis Serik December 17, at No license, either express or implied, by estoppel or otherwise, is granted by TI. BQ8030 Led Driver IC For Laptop Aug 16, 2. I was just wandering is it possible to communicate with the battery using internal laptops i2c SMBus? Nq8030 All postings and use of the content on this site are subject to the Terms of Use of the site; third parties using this content agree to abide by any limitations or guidelines and to comply with the Terms of Use of this site.

Hello how are you. May be comparing with another image. Not knowing when the fuse would be blown, I had to proceed with caution. O well, the batteries will wear out enough in about two years to reach the 61Wh limit again You’ll find it if you keep trying. Martinr May 31, at 9: I have managed to copy flash and eeprom from ba, bq8300 somohow i cannot longer access the chip. Can’t help there are at all, sorry.

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.

Author: Kejas Zuluzshura Country: South Africa Language: English (Spanish) Genre: Career Published (Last): 2 August 2009 Pages: 191 PDF File Size: 16.15 Mb ePub File Size: 17.80 Mb ISBN: 135-5-53530-637-3 Downloads: 57539 Price: Free* [ *Free Regsitration Required] Uploader: Re-enabling battery IC? Share This Page Tweet. Anonymous September 3, at Bbq8030dbt i grabbed my trusty Fluke, and started to meassure voltages.

Maybe someone knows smbus command to unlock charge? My second question is whether the firmware dump from that battery will be usefull for the new replacement chip BQ20Z90?

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. There are resources out qb8030dbt but unfortunately I can’t help you with that, Google is your friend. Can you share your eeprom dump? Trademarks Privacy Policy Terms of Use. The EC manages the bus by itself and only provides an abstracted interface that’s accessible to drivers. BQ8030DBT BQ29330 Some experience with electronics and reverse engineering binary data files is required. You need to perform some hardwiring.