Voltage Calibration on BQ 78350
Hello,I am having issues with the voltage calibration for the BQ 78350, I see where you can enter the correct voltages in the Data memory for the chip but each time that I change them and hit write all...
View Articlebq34z100EVM, how to send control() Subcommands with bqEVSW ?
Hi, I'm using bq34z100EVM to monitor my battery charging and discharging. I use bqEVSW Version 0.9.90 to monitor the EV board. But I cannot enable IT_Enable bit with the "I2C Pro" in the software...
View ArticleBQ34Z110 LED Control
Datasheet for BQ34Z110 (and BQ34Z100) mentions that LEDs can be controlled for test purposes using Extended Commands, however there doesn't seem to be any further mention of how to do this. Any further...
View Articlebq34z100-G1 Learning cycle during life of battery
Hi all,I will use a bq34z100-G1 gauge and I have some questions about this one. We can optimize the Impedance Track for specific battery types. So we create a default flash constants made with learning...
View ArticleBQ34Z100-G in system flash programming help
I was able to successfully program the data flash portion of my bq34Z100-G1 devices using the 'golden rom' image generated by the EVM software from my application running on my target system. Prior to...
View Articlebqstudio 1.3.42 and bq34z100-g1
Hi,After calibration and measurrments on a Lead Acid battery with bqstudio tool, I have to do the same thing with Ni-MH battery. I updated with a new profile and modified somme parameters then I have...
View ArticleBq34z100-G1 Lead Acid optimization cycle problem
Hi,I'm using BQ34Z100-G1 with a AGM lead acid battery 12V 1.3Ah and 0x0802 chemID. Here is battery sepcification: http://www.datori.lv/docs/kkjnE . I have problem with optimization cycle. I'm...
View ArticleIssue with BQ34z100 Fuel gauge
Hi,We are using BQ34z100 fuel gauge in our Application. we are trying to connect bq34z100EVM with EV2300 to our windows PC. The device is failing to get detected from the tool. The USB driver for...
View ArticleBQ Studio 1.3.45 not authenticating properly
Yesterday I was using BQ Studio 1.3.42 (and the EV2400 interface) and I was able to unseal batteries.Today I installed BQ Studio 1.3.45. I was unable to unseal the same batteries using the same...
View ArticleBQ20Z40 erroneous Lifetime Max Cell Temperature issue
We have a new pcb using bq20z40. I setup and calibrated several of our boards and ran a charge and discharge cycle with the lifetime data enabled. I get an erroneous Max Cell Temperature of 127 deg C...
View ArticleBQ33100EVM Maximum current to charge Supercapacitors
Hello I am using a BQ33100EVM and I need to charge 4 supercapacitors of 3000 F with 5 A. To charge the supercapacitors I will use a converter DC/DC to permit that the current be constant. Also if is...
View Articlebq40z50 and bq40z60 reference design for LiFePo4 in 2S config
Hi,I have a customer looking for a reference design for either bq40z50 or bq40z60 configured for 2S batteries. I've checked on TI and there is a bq40z60 for Li-Ion. Could anyone let me know if the...
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TS2 temperature and DSG
Hi,The bq76930 and bq78350 once worked well and output 12V DSG.However after detecting bad soldering and resolder, after sometime we lost the DSG output (become 0). We checked soldering joints with...
View ArticleBQ34Z100-G1 High capacity and charge/discharge
Hi,Actually this is a pre-question before getting deeper into BQ34Z100-G1I want to monitor 4 PbA battery in series. Total capacity would be around 180Ah, nominal voltage 48V, charge current 40A,...
View ArticleChem ID matching for Lead-Acid batt Varta E39 (70Ah)
Hi,I'm trying to find chem id for BQ34Z(Please visit the site to view this file)100-G1Using arbin we recorded the charge in C/10 and discharge in C/10 (7A) for the battery but I can't run on mathcad...
View ArticleBQ40Z60 register addresses
Hi,We decided to use the BQ40Z60 in our product, but first we would like to know how communication works with it.In the datasheet I can't see any register addresses or command addresses. For example: i...
View ArticleRequirement of Gas Gauge
Hi Team,My customer is looking for the gas gauge IC as the following.- single series cell Li-polymer Battery- Battery capacity:100mAh(min)- system side- impedance Track- SPI or I2CIs there any TI...
View Articlebq20z65-R1, Error in shipping test
Dear experts,Please let us know about bq20z65-R1.Our customer is using the bq20z65-R1 in design, already finished the product design.So far they shipped 200 units over Li-polymer equipment.However,...
View ArticleWhen to expect the next BQ78350 firmware release?
Hello,The next firmware release for BQ78350 was planned for October.Do you have any update?Regards,Frederic
View ArticleBQ40z50
Hello,I am using BQ40Z50 in a battery pack with 3 Li-Po cells. The project works well but I have a problem:When the battery is not used , it goes into sleep mode and when I try to see the state of the...
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