compatibility bq27541 to bq27500
Can I put a DFI file in a bq27500 v113 to create by using a bq27541 v200?
View Articleuse of BQ27510 for primary batteries
Hello-We have integrated the BQ27510 into our system that uses 3 series L91 Lithium cells. These cells are primary cells and are not rechargeable. Our issue is that everything we read about the...
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BQ34Z100 GG Mode Error
I have a bq34z100 chip in an original board design and am experiencing issues with the gas gauge mode. The chip calibrates correctly for voltage and temperature, but gives me an error when I try to...
View ArticleBQ28550-R1 no I2C communication
Hi,We have a design with a BQ28550-R1 gas gauge coupled with a BQ24072 charger.The gas gauge gets correctly woken up (turning FETs on) when the charger is connected and it also turns OFF the FETs when...
View ArticleBQ27510-G2 lost yIFRowData
I lost yIFRowData to due my program error.I can send the DFI file to device but the process stop at Figure 10 of sluas449e.pdf. Can I resolve this or must replace device with new one?Thanks
View ArticleBQ27510 - After connecting battery, device comes up in ROM mode
Hello,My system has a battery that can be disconnected and reconnected. Currently I am doing firmware development using Code Composer Studio. Therefore when I reset the system, I disconnect the...
View Articlebq27421-G1 / Benefit of high-side sending
Hi Team,I would like to promote TI's new fuel gauge device of bq27421-G1 to our customer, then I would like to know the benefit of high-side sensing. I believe that bq27421-G1 is similar to bq27425 but...
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bq34z100 - flag "FC" is not set if "FC set% =-1"
Good day!If you set the FC Set% =-1, the flag FC is not set at all. Though- Average Current is < Taper Current- Voltage > Charging Voltage – Taper Voltage- capacity > 0.25 mAh perCurrent...
View ArticleBq26200
Dear sir,I am working on smart battery using your Circuit BQ26200. I have some Doubts with it 1) Is it is possible to do calibration using power supply or we have to use cell pack . 2) and what are...
View ArticleBQ3060 Current and Temperature Calibration
Hi,I'm working on an automated BQ3060 data flash programmer and calibrator for use in manufacturing. The only documentation I have found on calibration is SLUA502. In this document, the example...
View Articlebq78pl114 Сonfiguration
Hi,I have a problem.USB-TO-GPIO adapter is Damaged.How can Iconfigure and use the bq78pl114 without an adapter?Whenreadingany of the settings, I get a 0xffff, but ACK going to low. Why?When I Read...
View ArticleProblems writing Data Flash BQ3060
Hi Community,I am trying to write via the SMBus the Data Flash of the BQ3060 Gas Gauge because I have to set a few parameters different as default settings. For example I would like to change the high...
View ArticleBQ20Z75DBTR-V160 I2C latch-up
We are working on a Battery Management system which its battery pack is installed with BQ20Z75BTR-V160 gas gauge. The communication lines (i.e. SMBD and SMBC bus) circuitry is as per page 15...
View Articleincorrect definition of capacity
Good day!I can not understand why the battery 13,4Ah shows when charging 32Ah (Passed Charge). Current and voltage correct. As calculated a parameter Passed Charge?Thank you
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How can I read data from bq34z100
Hi,I have same problem with block memory reading. I want read the Manufacturer Name in Data Subclass. Manufactured Name have offset 55. I try as below:WriteByte(0x61, 0x00) //enable flash...
View ArticleProblem obtaining a good learning cycle with bq27510
Hi,I am trying to do a successful learning cycle but I always get the error UpdateStatus does NOT=2 at the end. I checked the problems that are explained in slua597 but still can't understand mine....
View ArticleChemistry Selection: Sony US18650VTC3
Hello,I'm looking for the best chemical ID file for Sony US18650VTC3. I have downloaded the latest Chemistry Updater, but I can't find this model.I don't have Mathcad, here is the datalog :(Please...
View Articlebq20z45-R1 reading parameter Min and Max value
Please tell me the Min and Max value of the following reading parameters.-Temperature-Voltage-Current-Cell Voltage[1:4]In the datasheet, each parameter register has Min and Max value.ex) Voltage: Min...
View ArticleHow to read out the Data Flash of BQ3060
Hello everybody,Can anyone explain the procedure how to read out the data flash?I am not sure how the Slave send the Data. Is it always 32 bytes? Or is it send at first the number of following bytes in...
View Articlebq20z95 temperature calibration error code
Hello,When I try to calibrate the temperature on a pack using the bq20z95 and using the bqEval software, I get the message "Calibration Failed! Error Code = Error Code (decimal) 5027"Any idea as to why...
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