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EV2400 & Advanced BQMTester
Does the EV2400 work with the Advanced BQMTester?The user guide consistently refers to using an EV2x00 but I get an error as below when I try to use it with the EV2400. (The EV2400 and test boards are...
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OCV value read
Hi,I'm testing bq27520G3EVM learning cycle with bqEASY. At the end of charge, FC bit is set. During relax, VOK is cleared but App Status never change to 01. Slua544 "Generate Golden Image" shows that...
View ArticleBQ27421YZFT-G1A state of charge and state of help
Hello all,We are using BQ27421YZFT-G1A with a 95mAh Li-ion battery. We are reading the following things:Temperature is 3043 voltage is 3854 Flag is 0 Nominal Available capacity is 95 Full Available...
View ArticleI2C Communication Confusion
Dear TII have a circuit board with the BQ34Z110 on board I can communicate with the BQ34 with the EV2300 and the TI software However I need to implement my own communication to the BQ with a host...
View ArticleBattery management chips
Hi,I have just started my Master's thesis on Li-ion Battery Management system, with the intention of using it in Hybrid Electric Vehicles. I am thinking of testing it using 4 LiFePo4 cells in series...
View ArticleI need help with BQ8030
Please help.I need adatasheetand passwordbq8030dbtrepairbatteryAcer UM08A31.Thank you.My e-mail avtolad@rambler.ru
View Articlebq27510 Can unseal and seal but not get into full access mode
I have a bq27510 I may have accidently change the full access key on. I can go between sealed and unsealed mode with bqeasy but I can no longer go from unsealed to full access mode. I have read that...
View ArticleBQ76925 EVM Calculating Offset and Gain correction
I'm having an issue with figuring out the gain and offset correction of the BQ76925 and how it's being calculated in the Evaluation Softtware. As far as I understand from the data-sheet the values are...
View ArticleThumBus2300
Hi all,Is ThumBus2300 equivalent to EV2300? If so, is it possible to use ThumBus2300 to communicate with bqEVSW for fuel gauge bq34z110?ThanksRegardsKiran
View ArticleBQ28Z610 support
I am developing automated programmer ad tester for packs with new BQ28Z610 gas gauge IC.Is there any documentation available explaining programming process for this IC?Is there any evaluation software...
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bq20z95 FETs
Hello,The charge FET on my bq20z95 appears to be open, preventing me from charging my pack. I'm not sure how to recover from this state, is there a command for clearing PF flags, such as the...
View ArticleConnecting Li-ion battery pack to bq20z40evm
Hi,I have a 3-cell and 4-cell Li-ion battery pack which is completely sealed and only 2 wires(positive & negative terminals) are provided. How do I connect this to BQ20Z40EVM board through the...
View Articlethe unused cell input pins of bq77908
HiI try to design battery protection circuit using bq77908. Currently, we use 7 or 8 cells for one battery package, but there is no connected wires for each cell' positive pole and the battery package...
View ArticleOver Temperature
Hello,I was testing to make sure that charging would be interrupted if the temperature went too high. I used a hot air gun to heat (just) the thermistor I will be incorporating into my battery pack...
View Articlebq29330 GPOD pin
Hey all,I was wondering if it is possible to use the GPOD pin as a general purpose output. I realize this would require custom software. I have heard that the PIN is somehow associated with the...
View ArticleChemistry File for Chem ID 3154
I am using bqCONFIG to setup the bq27531-G1 gas gauge and the Chem ID I believe I should use is not available in the list. It is also missing from the GaugeStudio Chem ID list.Chem ID 3154 (LGC:...
View Articlebq34z100 senc file download
I have been playing around with the PWR111 (bq34z100) gas gauge demo board and I believe I have gotten the internal cycle counters out of sync. Where can I download a default senc file to put the chip...
View Articlebq20z451 version 0511
Hi All !I have bq20z451 v.0511SEAL = ONQuestion: how to initiate the procedure UNSEAL?If someone knows - please write me an email: vvg@skyline.od.uaAny ideas - are welcome.Chip name: bq20z451 H/W...
View Articlebq27425-G2A / Disables BlockData( )
Hi,The description of BlockDataControl( ): 0x61 in the P15 of bq27425-G2A's datasheet, I understand that to write 0x00 can enable BlockData( ). Then is it disabled after performing BlockData() ? Or...
View ArticleGetting started with bq27541-G1
Hi there!In our future product we plan to use the bq27541-G1 gas gauges. The IC will reside on the system PCB since the cell will be non-removable (by the end user).We tried to figure out how to...
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