bq27541-G1
I'm using the bq Evaluation software pack with the older version of bq27541-V200, among other thing I use to do the "learning cycle".However when I'm attaching the new bq27541-G1 fuel gauge I can't get...
View ArticleHow to do chemistry cycle test with EV2400?
I am trying to complete the configuration process for a design using the BQ27541-V200.I have the BQ27541EVM, which came with an EV2300 interface. Because this is not supported on 64-bit systems I have...
View Articlebq28z560-r1 faults
Dear TI team,I have bought one of the ti's gas gauges (BQ28z560-r1 ) and designed a driving board for this two months ago.Now i am testing it and during this time i realize that this IC denoted as "not...
View ArticleBQ20Z75 won't unlock
Hello-I've pasted a waveform to detail this issue. The unseal and full access codes are the default codes. In short, I read the operation status, the pack tells me it is locked. I issue a lock...
View ArticleBQ27425-G2A / Max. Battery Capacity
I intend to use BQ27425-G2A or BQ27421-G1.When I compare parameters on the the TI web-site:http://www.ti.com/product/BQ27425-G2A?keyMatch=bq27425&tisearch=Search-ENBQ27425-G2a seems to have a...
View Articlebq27510-g3 learning cycle
Hi ,We performed Learning Cycle for bq27510-G3. We had done this before with G2. Based on one of the forums, we can reuse calibration values of the G2 for the G3 (they will be used in the same...
View ArticleBQ34Z100 FCC and RC suddenly drops or goes to 0 after 19 cycles
Dear all,Our fuel gauge works with LI-ION pack 20S20P or 20S10P and measuring voltage from lower 10 cells.We were looking on forum but we cant find out what we do wrong.Everything seems to be OK, we...
View Articlebq769x0 VCn filter components
Datasheet states 100 min and 1k typical value for Rfilt on VCn inputs. There is no maximum value.I believe Cc information is for the associated capacitor. Right?EVM uses 1k with 1uF.Would it be...
View Articlebq7718xy land pattern
Good morning,I don't know if this is the right forum section for this question, but I haven't found a better one.The question is trivial but fundamental because I cannot go ahead with my project. On...
View Articlebq76pl536
hi. i try to simulation a bms by tow bq76pl536 for monitor 12 cell in proteus. but, isnt any library and model for it. how i can simulate it
View ArticleAdvanced BQMtester, How to seal pack for production?
Hi,I am currently working on the Advanced Bqmtester with BQ20Z90 to prepare for production.I am unable to find a method to seal the pack with the station setup.For Bqmtester, there is an option to seal...
View Articlebq34z100 minimum sense resistor
Does anyone know what the minimum supported sense resistor is for the BQ34z100?Calculations based on the data flash show CCDelta can only be as small as 4 mOhms, but this is giving me issues. The TI...
View ArticleLi Ion Smart Battery Pack Consultant
I am looking for a Li Ion Smart Battery Pack Consultant to review our design with respect to IEC emission and safety compliance.Please reply to this post.
View ArticleBQ27421 Eval Board
We are currently using the BQ27421 Eval board to evaluate the device and are beginning to wonder of we have a bad board. In the standard configuration once the external battery is applied, we only see...
View ArticleBQ27742 -- Impedance Track suitability for long term charge
Hi Team,I have an application where a single charge in a pack is expected to last 7 to 8 years in a device that is located outdoors which means it will be subject to seasonal temperature...
View ArticleFW for bq3060
Please, send me the file (.senc) for the controller bq3060 (the new FW) as soon as it possible. Thenk u very much.
View Articlebq20z40 v1.04 software
Hi. I'm trying to repair battery for hp MU06 with bq20z40. This bq20z40 is v1.04, but on Your site i found that bq20z40 has NRND status and most fresh bqeasy software is for bq20z40-R1 v1.05. When I...
View Articlebq76920 without connection to cells
Hello,I have an existing unprotected 12 cells battery pack (including passive balancing and over-voltage protection). I want to add some features:- Overcurrent/Short circuit protection- Bidirectional...
View ArticleBq34z100 Control and Block commands
Hi ,I wanted to know about how control command and its subsequent 2byte sub commands retrieve data.We are considering a code to send command 1 byte at a time to fetch the data.So if suppose i want to...
View Articlebq30z554 fuse pin
I am using a bq30z554 gauge/protection IC but do not need the fuse pin (I am using a PTC instead). If I leave the pin floating, the pin floats high and the IC believes that the fuse has been...
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