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bqStudio display mess
Hi,I just got bq40Z60 EVM and EV2300, also installed the bqStudio. Everything looks fine, but only the Registers display info seems mess. The info are squeezed sticking together, it is not allowed me...
View ArticleBQ40Z50 Condition Flag
Hi!BQ40Z50 (refman) 12.4 0x03 BatteryMode() haveCF (Bit 7): Condition Flag (R)0 = Battery OK1 = Conditioning cycle requestedafter success learn cycle CF 1->0 - this is forever?if I send "Reset...
View ArticleEV2400 - Supported Parts
Hi Support,Besides BQ78350, please advise a list of supported TI parts for this USB-Based PC Interface Board for Battery Fuel (Gas) Gauge Evaluation Module?Thanks.
View ArticleNew BQ34Z100 remaining capacity is 0
I bought several BQ34Z100 SoCs but I found their remaining capacity is always at 0 after programmed. The reading of voltage, temperature and current is correct.The chemID is 227 since I use...
View ArticleHow to exit ROM mode on BQ34Z100?
While I was program senc file to BQ34Z100, the software shutdown. I attempted to reprogram it but found it didn't work and gave me communication error 772. After that, I can't communicate with...
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Bq78350 flash error
Hi,We had some problem with bq78350:Q1: The bqstudio can communicate with device, and can program and readback firmwave. However, the programmed and readback data are not byte-to-byte identical...
View ArticlePCB footprint for the bq27421?
What is the recommended PCB footprint for the DSBGA package as used on the bq27421?A previous post shows this as "Answered" without directly answering the question. The datasheet gives the dimensions...
View ArticleBQ34Z100-G1 I'm trying to Learn but it isn't!
Hi Thomas,I have been reading and working in the background in an attempt to set up my first battery gauge using the BQ34z100-g1 evaluation module.For experimental purposes I purchased a new battery...
View Articlebq40z50-r1 Learning cycle for a Heter cell
Per your emailed suggestions (Aug 10), I programmed the 40z50 to Rev 1, changed the taper current to 150mA, and used a CC power supply for charging. ChemID was changed to 457 from 461, too.REST took a...
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Why charging current is so low bq40z60?
Hi, Thomas,Need your help about bq40z60. I am trying to setup the charging current from low to high. The initial charge current I set is ~250mA - 500mA, but after enabled the charging, its current only...
View Articlebq40z60 HT(High Temp) and IN (Charge Inhibit) recovery
How can them be recovered? Even the temp is back to normal 25 Deg C, its status still shows HT and IN red color.
View ArticleBQ Studio will not stay connected to EV board
Good Day,I have connected the BQ78350 chip to the EV board but it does not stay connected and displays the incorrect voltage measurement as well. Is there anyone else that has been having this same...
View Articlebq78350 SMBUS basics
Hi All,Got my custom BMS PCB for a 6S battery pack from the assembly house a couple of days ago. The BMS design is based on the BQ7693000DBT AFE, BQ78350 GG and a host MCU.After going over the...
View Articlecharge termination
Using BQ76930 + BQ78350. For a specific application need to terminate charge early. Can i set the design capacity to a desired low value and thus terminate charge? Will the charge terminate even though...
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bq40z50 after sitting idle for several weeks
I got pulled away from battery testing, so the pack I was trying to do a learning cycle on sat for more than a month unattached to anything. Today I connected it to bqStudio to download the srec, and...
View Articleotfs file format question
obviously the standard .srec used in many of the other fuel gauges is easy to interpret to develop a programming solution,for otfs files and OTP fuel gauges is there an app note or a rosetta stone that...
View ArticleBQ78350 Discharge-charge algorithm
Hello again,I have a question regarding the SOC algorithm.I have been discharging and charging 12 cells using a load and a power supply. I have set my system to take(or to provide) a current to the...
View ArticleBQ Studio Not staying connected to the Computer
I do not get any error messages I have to keep pushing the Boot button on the EV board in order to connect to the system. I am able to program the board momentarily but it will not stay connected and...
View Articleunknown data range
Hi,As we look at the content of the bq78350_v0_06_build_16.srec file we see,Beginning rows from 1 to 69 refers to data flash address 0x4000 to 0x4594For rows from 71 to end (4139), the targeting...
View ArticleBQ 78350 Cell Voltages incorrect
I am not getting the correct voltage measurement on the Bq studio using the BQ78350. I have configured the cell map for 7 cell system but the cell voltages 1-7 do no read the correct voltage. I am...
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