Forum Post: Values of CC Gain and CC Delta
I am not using the evaluation software, but i am using a microcontroler with i2c to communicate with bq and I did already some writes and reads from flash I am using the bq34z100 and a I have a doubt...
View ArticleForum Post: BQ24297 Sample Codes
Hello,Are there any sample codes for the BQ24297 charger? I have a customer looking for code examples to be incorportated into his embedded code. I've provided the EVM User guide and the bq24295, 96,...
View ArticleForum Post: BQ27421-G1 Sample Codes
Hello,Are there any sample codes for the BQ27421-G1 fuel gauge?I have a customer looking for code examples to be incorportated into his embedded code. I've provided the EVM User guide, quickstart...
View ArticleForum Post: RE: Chemistry File for Chem ID 3154
I ran a constant-discharge cycle per the Mathcad Chem Tool instructions last night, but I am having issues getting the Mathcad file to produce a result. It looks like there are some unhappy functions...
View ArticleForum Post: RE: Values of CC Gain and CC Delta
Helder, You can use the document SLUA640, available for download from the TI website, to see an example of calibrating the current and finding the CC Gain and CC Delta. The typical bqEVSW value for...
View ArticleForum Post: RE: Mathcad ChemID help
Thomas, I've updated my profile. Nevertheless my email is diemp.87@gmail.comRegards,Diego
View ArticleForum Post: RE: Chargers and BMS for 2-10 Amps
The part we just received, BQ24610 and other similar parts, are too small. We are wondering if we need to look for something bigger or connect to each individual Li-ion cell by itself. Even though the...
View ArticleForum Post: Where exactly does the BQ27741-G1 'CVM' status bit come from?
In the bq27741-G1 user guide ( http://www.ti.com/lit/pdf/sluuaa3 ) on page 36 it mentions this status bit: CVM = Cell voltage monitor threshold 1 = Cell voltage monitor threshold detected 0 = Cell...
View ArticleForum Post: RE: BQ34Z100 battery capacity
Shirley,FCC can change significantly, if QMax and the Ra-table have not been learned. You care not supposed to set Update Status to -6 manually. FCC can change during discharge at each Ra grid point...
View ArticleForum Post: RE: Chargers and BMS for 2-10 Amps
The bq246xx family is the highest voltage chargers that we have.You can search on bq246 in the search window and find all the options.the adapter needs to be at least 3V below the maximum since the...
View ArticleForum Post: Design Capacity is also used by the gauge in RemainingCapacity(...
In the document "SLUA656–December 2012", Configuring the bq2754x-G1 Data Flashpage 7Design Capacity stores the typical capacity, in mAh, of the cell being used in the system. DesignCapacity calculates...
View ArticleForum Post: RE: Unable to connect to BQ78412
Thank you for your reply!This is also how we implemented the connection. However this solution does not work for me when other FTDI devices are connected. The Evaluation interface can still connect...
View ArticleForum Post: RE: Golden file for production
Thank you very much Tom.I`ll do it that way.Best regards.Borja.
View ArticleForum Post: Measuring Current between two 12V 250Ah batteries with bq34z110
Hi,I need to measure currents between two 12V lead-acid batteries (250Ah each) and need to monitor SOC and SOH of both batteries.Is this possible with two bq34z110's?|GND|---------|(-) BATTERY1...
View ArticleForum Post: RE: BQ34Z110 REGIN
Kiran,The maximum recommended voltage rating for the REGIN input is 4.5V and the Absolute Maximum rating is 5.5V. You will excite the ESD protection circuitry, if you apply a higher voltage. You will...
View ArticleForum Post: RE: BQ25015 issue
Can you remove the IC from the PCB or take an unsoldered IC and measure between SW and GND?
View ArticleForum Post: RE: Unseal BQ20z45
These are always changed by the pack manufacturers. Check with them. The default is a two word command 0x0414, 0x3672
View ArticleForum Post: RE: Chemistry File for Chem ID 3154
The data collection is the issue here. There should be a 2 hour rest after the charge cycle and a 5 hour rest after the discharge cycle. The Mathcad tool needs this data so that it can get two good OCV...
View ArticleForum Post: bq24610 Power dissipation question(s)
I cannot find any power dissipation figures in the data sheet for the bq24610 in the 24 VQFN package. I need both how much power the IC/package is rated for AND I need to determine how much power is...
View ArticleForum Post: RE: flashstream and dfi
Could you please send me the flashstream tool and example code files as well.Thank you
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