Forum Post: RE: bq40z50 Unsealed to Full Access
Tom,Thanks for your support. I will correct my copy of the TRM according to your info. Again, - thanks for valuable info.Best regardsKjell
View ArticleForum Post: RE: Battery protection IC for 4-series application
Hi Jason-san,Thank you for your comments. I believe bq40z50 should be suitable part at this moment. Best Regards,Sonoki
View ArticleForum Post: RE: LMD register in bq2013h
Hello, Mr. Recently, I also learn BQ2013H chip, experiencing some of the following questions, please give me your answer: 1 NAC register on the issue, I would like to read the NAC (available capacity...
View ArticleForum Post: About BQ2013H initialization and NAC register
Hello, Mr. Recently, I also learn BQ2013H chip, experiencing some of the following questions, please give me your answer: 1 NAC register on the issue, I would like to read the NAC (available capacity...
View ArticleForum Post: I2C/SMBus commands for bq40z50
Hi community,I wanted to know about how to fetch data from the bq40z50 with I2C commands.At first, most important for me is, which slave address the bq40z50 has, to be addressed by a microcontroller. I...
View ArticleForum Post: RE: problem with bq27530 on new layout
Hithanks for your answer.I have attache my (Please visit the site to view this file) drawing and checked my circuit - in the drawing you can see that gnd is not connected to ts in the PCB I tested the...
View ArticleForum Post: RE: BQ24170 problem
Would you please provide a schematic.What are the specifications on the adapter you are using and what load are you applying?
View ArticleForum Post: BQ24072T EMC issue when charging
HiWe have developed a product with BQ24072T onboard. We are now in the phase for CE certification and without battery everything is OK. But when we insert a lithium polymer battery the noise floor and...
View ArticleForum Post: RE: Bq34z100 Control and Block commands
Thank you very much Tom! I'll use the 249k resistor since thats what I will be using in the final circuit design. I'm finally got this thing up and running now. The only thing left is learning what the...
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Forum Post: RE: BQ24702 thermal resistance
Hello Kwan,The Junction-to-Ambient thermal resistance is given for two board cases across a number of airflow cases on Pg. 2 of the datasheet.
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Forum Post: RE: bq24030 does not charge the battery, all the LEDs Off
Hello Ryan,I am using a custom PCB with bq24030 soldered on it, because I ordered directly the ICs rather than ordering an evaluation module first... So I think I did not fix the IC properly and that...
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Forum Post: UC3906 burned
I made 5 prototypes with uc3906 for battery chargers and then after about 3 months, had problem with uc3906, this chip is burned in 3 times. I ask if this problem is common. I attachment my schematic...
View ArticleForum Post: RE: bq34z100 difficulty in achieving a learning cycle
Tom,What is involved in submitting cells for characterization? Do I need to send you a cell/set of cells or do I just follow the discharge test procedure for a single cell and send you the data?Also,...
View ArticleForum Post: BQ24250 questions
Hi Experters,We have a application that backup power Li-battery is optional. Means its removeable.Can BQ24250 internal bypass 5Vin to SYS pin ? So far I get a regulated voltage output adjustable by...
View ArticleForum Post: hw version bq27530
Hiin our great effort to understand the problem with the bq27530 which doent write to the flash we found out that our hw version is A8 and in the evl it is A7. why are they not the same? what is the...
View ArticleForum Post: BQ27421-G1 configuration Issue
Hello,I'm trying to change some parameters on the BQ-27421-G1A but I'm always have an error.I want to change Battery capacity, TCA parameters (clear set), FCC parameters, SOC1 parameters, SOCF...
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Forum Post: bq76PL536EVM-3 Packing List
Hello, I would like to know latest packing list of bq76PL536EVM-3.Below is the Packing list from SLUU437B.However, there is no CD-ROM in EVM.Could you please let me know the latest packing list ?...
View ArticleForum Post: RE: bq24193RGET configuration
Hi,Looking at the above schematics, can we have external power supply in place of battery. For ex. Instead of connecting battery can we connect bench power supply with 3.7V @ 1A to 1.5A rating. This...
View ArticleForum Post: bq2084-V143 ???
Hi,I use a bq2084-V143 with a bq29312a with 4 li ion cells...I don't have the evaluation board... I have my own PCB and I communicate with the bq2084 over SMBUS (I2C on an Atmel µC)I'm able to read the...
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