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Does bq27421 work for GSM loads?
Hi, This question is important partly because: bq27421 is promoted by TI as the smallest and easiest-to-use Impedance-Tracking gauge in the market. Naturally one might think there are...
View ArticleADC and Pulse-Compatible gauge?
Hello,If instead of using gas gauge, we would also like to evaluate the possibility of using the simplest voltage-measuring method, as our application is quite particular.Could TI recommend at least...
View ArticleDoes bq20z65 works?
First it caused a fire, destroying thousand dollars worth of damage, and the replacement one does not work at all. This crappy software, called bq easy, supposedly written by an incompetent programmer...
View ArticleHarware Alternative for EV2300?
Hi,Im recently trying to build a 1~4S Lipo Charger, Im planning to use Bq29312 AFE, Bq24610 Charger and Gas guage IC (bq2084 - Not sure).Data Flash Programming of Bq2084 needs EV2300 which is quite...
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bq27500 Gas Gauging - some questions
Hi there,I've been unsuccessfully trying to calibrate a battery for a few days now. I am using the bq27500 in my own design and I2C communication is working fine. For calibrating the battery, I am...
View ArticleChem ID Sanyo UR16650ZTA
Can someone please tell me if Chem ID 322 is correct for Sanyo cell model UR16650ZTA? The Chem ID database lists model "UR16650ZT (2520mAh)" with Chem ID 322 and I need to now if this is the same as...
View Articlebq40z50 State of Health
In the bq40z50 Tech Ref manual (sluua43), the command for State of Health, 0x4F, is missing the description details.Is it Read access for all security modes?Thanks.Tom
View Articlebq40z50: 0x44 ManufacturerBlockAccess() versus Read Block
To access the SafetyAlert data, I can use the 0x44 ManufacturerBlockAccess():0x16 0x44 0x02 0x50 0x00 0x60, then 0x16 0x44 0x17 0x06 0x50 0x00 0x00 0x00 0x00 0x00 0x76Or Read Block seems to work...
View ArticleWhat happens to bq76920 CC register counts if current sense resistor voltage...
Hello,If a discharge current level causes the voltage across the sense resistor for a bq76920 to exceed -270 mV, do the two CC voltage registers still read -32000 decimal (-270,080uV)? Or does the...
View Articlebq76920, Identifieing Battery packs ?
We are designing a battery monitor Unit. ( Single Cell Voltage, Total voltage, current, Temp.)The packs are exchangeable, so we need to identify the packs.But Datasheet tells : "i²c device address is...
View Articlebq769x0 max Capacity
Hello,What is the max capacity for this BQMaximo? It is clear that it will work for 3-15 series, but why there is no capacity characteristic in the datasheet? I mean mAh.Thanks a lot!
View Articlebq76920 OK with 0.5 milliohm sense resistor?
Hello,Are there any problems operating a bq76920 with a 0.5 milliohm current resistor? We have an application with very large current surges and would need a sense resistor value that low to stay...
View ArticleBQ2040
Hi ,I am using the BQ2040 with a two cell Li-Ion battery. Recently we have had some problems with indication LEDs as they show incorrect information about the status of the cells:The following are the...
View Articlebq34z100 State of Charge showing wrong
Hello,We are using Li ion 2 cell battery with max 8.4 V and 3400 mAh. In my application minimum battery voltage is 6 V.So the range is 6V-8.4V. How can I set the limit for minimum and maximum voltage...
View ArticleTCA Flag
Dear community,I am currently designing a battery and charger using the bq20Z90-V150 gas gauge chip in which I am using the TCA flag as a method of indicating Primary Charge Termination. The customer...
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bqCONFIG 1.5.5.0 Crashes with bq27541-G1
I'm having problems with the bqConfig. When I communicate with the bq27541-G1 v2.24 I get the following crash:The text says:See the end of this message for details on invoking just-in-time (JIT)...
View ArticleBQ20Z95: how to implement SMB with I2C?
Hello everybody,suppose you have a Cortex-M4 micro that you want to connect with a TI BQ20Z95 fuel gauge. I could use the I2C port to establish the communication, but have no idea of how to implement...
View ArticleLi-ion : Multi cell monitor IC
Dear specialistAre there any products to meet inquiry as below?If you had products , please let me know.(Inquiry)# monitor cells 14-18cellOperating temp range -30℃-85℃Measurement cell voltage range...
View Articlebq76920: Any problems increasing SRP/SRN filter component values?
Hello,We hope to be using a bq76920-based protection board in an application that operates in a very severe electrical environment. The loads for the battery pack are mostly inductive and there are...
View ArticleBQ27421-G1 writing configuration?
Hi,Following the flowchart "Updating the gauge configuration parameters", does work, if you wait along time before reading the CheckSum to verify that it is equal to NewCheckSum.But could you please...
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