bq34z100 Extended data commands
Hello All,I plan to use the bq34z100 with a 6S LiPo pack but I'm really confused about how to configure the design capacity, design energy and the terminate voltage for my application. It would be...
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BQ2050
Hi ,I am using BQ2050 in my project to indicate the charge capacity of LI-ION batteries used for mobiles...Two 1390 mAH motorolla batteries are connected in parallel & am evaluating the BQ2050 LED...
View ArticleBQ Studio Chemistry Updater Problem
Good Morning Ti Forum,I am trying to update the chemistry ID in my bq78350 evalThe chemistry ID code I want is in the list ie "290" but I get a fail response of :-Chemistry Programming failed.Error...
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FullChargeCapacity Changes
Hello,I'm having trouble with a 4 cell pack based around the bq20z95. Specifically, the FullChargeCapacity figure won't seem to settle. We have tested the cells with a battery analyser and found that...
View ArticleBQ76930 as stand-alone fail safe
Dear Sir/Madam,I was thinking to use the BQ76930 as a battery monitor with passive top balancing. From the datasheet, I read the AFE BQ76930 will shut down the power circuit if an error occurs, it just...
View ArticleBq34z110
my project is to design bms so for that I need to find soc accurately.so I have chosen bq34z110 as my cell chemistry is lead acid.my doubt is inorder to use this ic do we need EVM or can we use...
View ArticleBQ34Z100 and CHEM ID
I could use some help with the bq34Z100 integration. I have an EV2300 EVM Interface board and a bq34z100EVM board. The battery I am using is 855085-2S 7.4V 4000mAh Lithium Polymer pack that was...
View ArticleTwo chemistry ID for the same battery
Hello,Saft battery MP174565 is referenced twice in bqESAY ID list : 0159 and 1147. This is the result of chemistry update from Saft. As I use a recent battery with new chemistry, I have to choose ID...
View ArticleBQ27421 : Battery level changes improperly
Hi,I am using BQ 27421 for measuring the Battery level. I am reading battery level at every 1 second and send it over BLE. The battery fuelgauge returns correct value normally. But when I observed it...
View ArticleBQ20Z90-V150 Firmware update
I am working on a new project that is using the BQ20Z90-V150 Li-Ion battery gas gauge IC. We are going to be using the new Samsung INR18650-25R cell for the application. Currently your list of cells...
View ArticleExternal Cell Balancing Implementation BQ76930
Dear members of the TI E2E community,As stated in the title, where can I find an example of how to implement external cell balancing in the BQ76930? Thanks in advance
View ArticleThe absolute-maximum-rating value of BQ20Z45
Dear, AllAbout the absolute-maximum-rating value of BQ20Z45-R1, the following is indicated to the datasheet. - Operating free-air temperature range -40℃ to 85℃ - Functional temperature -40℃ to 100℃...
View ArticleBQ28550DRZR-R1 programming specification request
Hello,Let me ask you provide us programming specification for BQ28550DRZR-R1. I mean programming specification for non-volatile memory inside.Thank you in advance.BR,Frantisek
View Articlesome doubts regarding BQ27525
I have some doubts regarding system side gauge.1. power on device immediately when a well-relaxed battery is attached.(no adaptor is attached)in above case, if the gauge can provide the accurate SOC？...
View ArticleBQ34Z100EVM Calibration
Hi,I'm using the BQ34Z100EVM with the EV2300 evaluation module to develop a battery monitoring system for a 12V, 40AH LiFePO4 battery. The BQ34Z100EVM board is set up for Multi Cell operation, with...
View Articlebq34z100 extended data command programming
Hello All,I plan to use the bq34z100 with a 6S LiPo pack but I'm really confused about how to configure the design capacity, design energy and the terminate voltage for my application. It would be...
View ArticleBQ3060 SMBus communication problem
Hello,I am trying to execute three commands with no success:Temperature (0x08)TS1Temperature (0x5E)TS2Temperature(0x5F)Nothing is returned. However I am able to execute the ManufaturerAccess...
View ArticleProduction programming bq27541-v200
I found the bq Multi-Station Tester Software and source code v2.29 on another post in this forum.It looks pretty close to what I need (except for a different serial number scheme), but doesn't seem to...
View ArticleNTC with bq27541
In the datasheet of bq27541,The thermistor circuit requires the use of an external 10-kΩ thermistor with negative temperature coefficient (NTC) thermistor with R25 = 10 kΩ ± 1% and B25/85 = 3435 kΩ ±...
View Articlesome doubts on system side gauge(BQ27425)
I have some doubts regarding system side gauge.1. power on device immediately when a well-relaxed battery is attached.(no adaptor is attached)in above case, if the gauge can provide the accurate SOC？...
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