fuse nomarly blows after full reset
hie therewhen i perfom a full reset on bq2084 and 20z70 based batteries during repairing, the fuse normally blows off after charging the batteries below 100%.i have encountered this problem several...
View Articlebattery does not charge to full
hie there againwhen i reset bq2084 and 20z70 based batteries whose FCC have droped bellow or risen above the manufacturer FCC value,when i then try to charge using an external non udjustable power...
View Articleusing bq2014h
hello, everyoneI am seeing bq2014h gas gauge for my application.But I don't understand what REF pin is?In datasheet, "Battery Pack Application Diagram" , Can I remove module (consist of FET, Diode,...
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PFIN fault in bq20z75
Hi,I have encountered PFIN fault after I failed to program the .dfi file before i prepared to perform learn cycle for Panasonic battery pack. I had sent SMBus Command: 00, Word 1: 2673, Word 2: 1712 to...
View Articlebq34z100 Temperature Sensing
Hello,I design a power management system for a battery pack consisted of 16 LiFePO4 cells of 40Ah in series.For this pack I chose to equip each one of the 16 cells with a temperature sensor... Through...
View Articlebq34z100 Quiescent Current
Hi,could you please tell me what should be expected as "Quiescent Current" of the bq34z100 gauge meter when it is disabled by connecting the CE pin to VSS (I can not find this information in the...
View Articlebq27510-G3 Technical Reference Manual
Hi all,i am looking for bq27510-G3 Technical Reference Manual. The link's (sluua97) in bq27510-G3 Datasheet doesnt work.Where to find it ?thanksAlexander
View Articlewaking BQ20Z65 up from shutdown
Hello-We have copied our battery pack design from sheet 19 of the BQ20Z65 data sheet. The data sheet says that at least 1uA is needed into the PACK pin to wake the device up from shutdown. We wish to...
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 ArticleD0178 Certification
What support can TI provide toward DO178 certification of the software content in bq34z110?
View Articlebq34z100 FULLSLEEP Mode questions
HiI am planning on using the bq34z100 as a coulomb counter for a 100 Amp Hr primary battery. The load on the battery has a very large dynamic range, (50uAmps to 5 Amps). The load spends 99% of the...
View Articlebq3060 Update data flash with CC Gain, Capacity Gain questions
Hi CC Gain Data Type IS F4，I Get the raw data from the dataflash,But I use the IEEE754 float after format conversion, And it shows that the values are not equal, how do I convert? for example,I get...
View ArticleBQ77PL900DL Iout range
Hi guys,I need to define the Rsense value between SRBGND and SRPGND in BQ77PL900DL, but i can't find the extremes of IOUT range (pin 29). Can you help me? My idea was:(VIOUTmax - 1.2V )/ (Ipackmax *...
View ArticleBQ34Z110PWR Battery Conditioning & Calibration
I’m trying to train the BQ34Z110 on our 12V SLA battery; our capacity is over 25Ahr, and I can only source 1A or so from our board, so the cycles take a while. I believe the crux of our issue is that...
View ArticleBQ77908EVM and "USB Interface Adapter"
Recently purchased BQ77908EVM and "USB Interface Adapter":Trying to start up the bq77908EVM pcb, from...
View ArticleShutdown mode for bq20Z95
Hi all, I am having difficulty with putting my 2S battery pack into shutdown mode before shipping. I have tried the following steps according to technical instruction SLUU264A but still cannot make it...
View ArticleBQ28Z560-R1 and External Thermistor Power-on
Hello,When I solder a Semitec 103AT-2 (10k ohm) thermistor on my BQ28Z560-R1 based fuel gauge/protection circuit as depicted in the reference design, the IC no longer responds to commands via I2C....
View ArticleBAT_LOW/ of bq27510
Hi,I have to program and test our PCB with bq2710. My software programs it with a battery profile data, which seems to be done all right as our application software can display different charge levels...
View Articlebq34Z100 interface with Digital Temperature Sensor and Disabled Consumption
Hi,is there a way to "write" the temperature in the bq34Z100, from the hosting microcontroller (assuming a digital sensor)?If not, could you please inform me about the circuit inside the bq34z100 that...
View Articlelcd
Dear Sir,I am working on Bq-20z95 and want to use it with LCD instead of LED's for gas gauging.I also want to use two Bq20z95 in series,so i have to connect Clock and Data in series.can you insist me...
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