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bq3050 / Test condition for R(BAL)
Hi Everyone,Please let me confirm my understanding for the test condition for R(BAL) of bq3050.- The R(BAL) of 200ohm(min) and 430ohm(max) are guaranteed at "4V >= VDS > 2V".- The R(BAL) of...
View ArticleAlarmwarning & I2C compatibility - bq20z60
Hello,I have a smart battery using a bq20z60 device, the host is a board with an I2C and maybe and an SMBus (still not sure).In the 'bq20z60-R1/bq20z65-R1 Technical Reference Literature' on page 32 it...
View ArticleBQ77910A recovery from OC (Over Current) and SCD (Short circuit discharge)
Dear All,I attached a picture of my CFG file.my sense resistor is 3 mOhm.I use a series FET method with the a steady 15K resistor on CHGST.I set the OC parameter to be around 15A. when reaching 13A the...
View ArticleBQ27541 V200 Chem ID question
I just finished creating a golden dfi file for the BQ27541 v200. When going through the bqeasy process I selected the chemical id to be 0210 & it appeared to load to the device w/o issue. After the...
View ArticleProblems with writing the data flash on BQ34z1xx
I am facing 2 problems.1. I am not able write or alter the data flash variables, I precisely followed the method from the document going to production with BQ34z110.2. After I read the 32 byte data...
View ArticleCannot read or write blockdatachecksum in Bq34z110
I am not able to read the value in Blockdatachecksum from the device BQ34z110.I am able to read all the datas in Dataflashblock by exactly pointing the subclass and offset, but while trying to retrive...
View ArticleUpdating firmware of BQ34Z100 with flashstream
Hi,According to information from other threads in the forum, I need to use flashstream in order to update firmware with a microntroller without using bqsw software. Does flashstream work with...
View ArticleBQ34Z110 Confusion
Dear TIWe received some samples of the bq34z110,however I do not find a complete datasheet that descibes the devise and most important I neet to understand how to communicate with it over I2C i.a.w...
View ArticleBQ34Z100 Write with standard command
Hi,May i know what is the proper steps to write into data flash with standard command? I have tried writing the serial number byte by byte which is writing with standard command 0x7E and 0x7F in...
View ArticleBattery Insertion / Battery detect in BQ27425-G2
Hello,I have some doubts regarding how does the battery detection in the BQ27425-G2 work. We are designing a system powered always by a battery that will never be removed, so we will always have the...
View ArticleBq20z75-v180 .senc file
1). Where I can find .senc file for the same for software Bq20z75 v1.81.2). I have Bq20z75 v180 IC, but software reads V1.81. What's the difference.3). I have Bq20z75 v160 IC, by programming V180...
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BQ77910a stacking - upper BQ shows Short Circuit Charge flag every ~5min
Dear All,We designing big project for some company and we need help with our design.We have two BQ77910a stacked with series fet configuration. Schematics are based on design note: The Basic Circuits...
View ArticleNot able to change the qmax cell 0 value in bq34z1xx
I am trying to update the initial value of the Qmax cell 0. but the value is not getting loaded and the i get NACK for the checksum data. i am sensing it because of the automatic q max value update. Is...
View ArticleBQ33100 Schematic Design
To whom it may concern,I designed the schematic with bq33100 in different Super-Capacitor (SC) series. Then, the design is stuck about how to consider the value of R30 to R33 according to the sample...
View ArticleBQ20Z75 high current consumption issue
Hi,With reference to subject above, i encountered an issue where bq20z75 is drawing 1.08mA~0.71mA continuously when there is no any charging or discharging process undergoing. According to the...
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BQ34Z100 Host System Calibration
Hi,I have a few questions regarding bq34z100 host system calibration. I would like to use host system calibration on BQ34Z100 instead of bq evaluation software in accordance to my project requirement...
View ArticleGas gauge selection
Dear TI team,I have posted a query so many times,but i didn't get any response from your side.We are using 3.7V,20Ah Li-Polymer battery(charging current 4A,Discharging 1.3A). We are choosing bq27541-G1...
View Articlegas gauge for 2 li - ion batteries
hi I need some help in selecting the right gas gauge for my application.I am using 2 li - ion batteries connected in series (i need 7V) but charged separately (because I want to be able to cahrge it...
View Articlebq78pl114 firmware update calibration
if performing firmware-update with bqWizard from bq78pl114 to ...114s12, the voltage calibration has to be explicitly preserved ("... click the Preserve Calibration check box"...).If uploading the...
View Articlebq3050 / Capacitor on BAT pin
Hi Everyone,I would like to know the impact on the operation of bq3050 if the smaller capacitance than 1uF will be used on BAT pin. I know that the BAT pin will supply power to LDO in bq3050 when...
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