Forum Post: RE: Discharge Completion and Charge Completion ON in same time
Julien,The FC Clear SOC Threshold parameter setting is the only way that I could reproduce the issue on the bench. I will work with your pack, if you want to send one to TI. RegardsTom
View ArticleForum Post: RE: BQ34Z100 strange behavior when reading registers
Tom,the following part of code is called periodically in a 10ms cycle (at a bus speed of 100khz).void Batt_vReadAccuParameter (void) { uint u8TrialCounter; static const sBattReadStruct_t...
View ArticleForum Post: RE: bq20z75-v180 update status 0x0A
Selva,Update Status = 0A would mean that IT is not enabled. It should change to 0E, if you send the IT Enable command. Cell balancing is disabled until the Update Status has reached its highest state,...
View ArticleForum Post: RE: Difference in single cell gas gauges
Hello dMax,Thank you for your answer.Actually, the gauge I'm looking for is NOT for single cell, and not specifically for Li-Ion. I posted a few weeks ago on this topic, but got no answer. Let me...
View ArticleForum Post: RE: bq27500 Golden Image Programming
hello i'm using BQ27500. I generated my Golden DFI. I would like to use it in production phase. I'm trying to implement the procedure explained in SLUA449 but I read that with this Flashstream it...
View ArticleForum Post: RE: Lifetime Data
Jeremy,You will not be able to edit the senc file, but you should be able to change the Lifetime parameters using the bqEVSW or a gg file. You may not be able to change them after IT has been enabled....
View ArticleForum Post: RE: Backup Battery
Hi Ryan,yes, to batteries stacked, other part of the System Needs 24V ...The core, a controller and a cell phone/GPS module (SIM968) running control Tasks and allow remote access. Sometimes the battery...
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Forum Post: BQ77910A Balancing LiFePO4 High Current Voltage Tolerance
We have been doing a lot of testing on the cell balancing function of the BQ77910A. I find that during most of the charge, since we are using LiFePO4 cell the variation from the highest cell to the...
View ArticleForum Post: RE: bq76920: Gerber files for EVM available?
Thank you for the ZIP! And the layout tips too.We have good high/low current section separation but will work on shortening/protecting the ALERT line and trying to get the filter components closer.JohnM
View ArticleForum Post: RE: Availability of BQ30Z554-R1
Kyle,the bq30z554-R1 is not scheduled for EOL or NRND. There just seems to be a backlog on the device. It looks like Mouser has some devices in stock at this time. If this is a new design, then you...
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Forum Post: RE: bq76pl536 Thermal Shutdown and/or Undervoltage Lockout Question
Hello Dana,The Device_Status register is only cleared via a host command as discussed on Pg. 20 of the datasheet.Software can detect when these conditions are cleared by clearing the Device_Status bit...
View ArticleForum Post: RE: BQ25504 and BQ25505
So if the battery is conected and its voltage is greater than VBAT_UV. And suddenly the power at Vin_DC goes off. The PFET will still open ?From your answer I understood that the PFET logic (open or...
View ArticleForum Post: RE: bq76940EVM operation to 24VDC and for Pb-acid cells
Hello Ron,If the minimum voltage is the only issue there is another part is this family the BQ76920 that also has an EVM that focuses on a lower voltage range.Here is a link to the BQ76920EVM page.Let...
View ArticleForum Post: RE: About BQ24160 Charge Termination dose not work at " Low temp ".
Dear Jeff Thank you very much quick response,Yes, now we doubted about TS Pin setting. Any way we will check TS Pin voltage again.Thanks and RegardJasper
View ArticleForum Post: RE: bq24060 / charge current accuracy
Hello Yaita-san,These charge current programming limits are dependent on a number of factors. The ranges are typically set as 4 to 6 sigma distributions meaning that while there is a chance the charge...
View ArticleForum Post: RE: bq24060 / charge current accuracy
Hello Ryan-san, Thank you for your informative advice.I will talk to my customer and also make a proposal of bq25060.I will contact you again if I have additional question. Best Regards,Yaita
View ArticleForum Post: RE: BQ24251EVM-150 kit contents
Hello Martin,Please accept my deepest apologies.Whenever I have ordered EVMs for work I have never noticed receiving the USB-TO-GPIO adapter but upon further inspection of the User Guide, discussion...
View ArticleForum Post: RE: BQ76PL536EVM-3 CRC calculation?
You can find the program example at the end of pdf file.http://www.ti.com.cn/cn/lit/an/slua563b/slua563b.pdfI solved with this pdf file.
View ArticleForum Post: BQ77PL900: Reading BAT voltage and discharge current on Vout/Iout...
Is it possible to read the BAT voltage and current during discharge in stand-alone mode?I have enabled the BAT, IAEN and VAEN bits in the FUNCTION_CONTROL register 0x03 via I2C.It appears that there is...
View ArticleForum Post: RE: BQ24172 trouble to turn it on
Hi Rachel,Sorry for the long delay. I was waiting a new build from the board to test it. In this new board I did some improvements in layout and it seems to be working correctly now.The first layout I...
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