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Forum Post: RE: Two Li-ion Cells Primary Protection IC

Please reply its urgent regardsTanvi Verma

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Forum Post: RE: Can I set above 32Ahr in Qmax cell 0 with BQ34Z100EVM?

sorry. i missed model i used.I use BQ34Z100EVM.I designed 29.4V20.8Ah battery before.  And i got value FCC and RM correctly.But I can't set FCC and RM correctly in the 29.4V49.4Ah battery.Please your...

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Forum Post: RE: BQ34Z100 Manufacturer Date format

Sridevi,The formula with the 512 multiplier is the correct one for both devices. We will correct the documentation on the bq34z1xx devices.RegardsTom

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Forum Post: RE: BQ29200 - Cell Balancing Circuit

Hi Katrina,1. No recalibration will not be necessary. A single calibration of the device suffices once and for all.2.I wouldn't recommend using wires due to the losses that their resistances could...

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Forum Post: RE: BQxxxxx generic principle question - why low side MOSFET?

Please check this link http://en.wikipedia.org/wiki/Buck_converter Q2 and Q5 are equilent to S2 which replace "D" to reduce power loss in buck converter.

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Forum Post: RE: BQ24726 already phased out?

The bq24726 is an active part.  It is just a customer part. Any customer part datasheet is not published on ti.com. But, you can still buy it and use it. We keep supporting it.Thanks,Wang

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Forum Post: RE: Two Li-ion Cells Primary Protection IC

Tanvi,Besides the bq29312A which is an AFE, we do not have any device offering UVP for 2 cells. Our guages does offer UVP though.thanksOnyx

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Forum Post: bq24190 Questions

Hello.I'm writing a Linux driver for the bq24190 but I still have a few questions.  They are:1) How can I tell if there is a battery attached?  This is useful to know for reporting userspace and also...

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Forum Post: RE: BQ34Z100 SoC dropping to zero below 15C

Tom,I will get a log file generated and forwarded to you.ThanksPatrick

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Forum Post: RE: bq34z100 senc file download

Hi Tom, I'm not able to get the bq34z100 into Rom mode. I followed your instructions and it's not going into ROM mode. For the Write I2C data Block, I tried: 000f Then 00 followed by 0FThen  0f...

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Forum Post: What is the max voltage on the OUT pin of bq29410 or bq2941x?

My design uses the bq29410, which has a fixed threshold of 4.35V with a 4S pack.  VDD is connected to the top of the cell stack, so max VDD is 17.4V. What is the max voltage on the OUT pin?  The...

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Forum Post: RE: bq20z45-R1 supply current in sleep mode

Onyx-san,I observed the supply current with the following method.I have inserted the 1k resistor into Vcc line. And I observed the voltage difference at that point.The peak voltage was 200mV. So I...

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Forum Post: RE: General BQ27425 I2C question

Anyone?

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Forum Post: BQ34Z100 Reset command

 Hi All,Im communicating with BQ34Z100 fuel gauge using host microcontroller. Can any body let me know when CSV bit will be set in control_status register.  In what scenario host microcontroller has to...

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Forum Post: BQ34Z100 Tbuserr

The Datasheet of the BQ34Z100 mentions on page 28 a Tbuserr.Does anybody know where I could find the specification how long Tbuserr is?Regards,Christian

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Forum Post: RE: BQxxxxx generic principle question - why low side MOSFET?

Thanks! Simple! :)

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Forum Post: RE: A question about the initial value of bq33100

Hi Onyx,Thanks for your fast reply.I prefer to turn on functions, which can turn off the charging circuit and report errors automatically while hazards occur, as a default condition.Because, the fault...

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Forum Post: BQ24105 will enter fault mode or suspend charge and probing the...

I am using a BQ24105 to charge a 3 cell lithium-ion battery.  The FB pin is configured with a voltage divider to set the voltage output regulation (V_oreg) to 12.6 volts.  At some point during the...

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Forum Post: BQ24210 IN Parallel

1a) Hi, what happens if I connect more than one bq24210 chip in parallel to potentially increase current output?b)If the battery is removed, and is connected still to its parallel load as well as a...

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Forum Post: BQ3060 Life time data flashing problem

Dear all,I'm flashing the settings in BQ3060 , everything works perfect, also the testing and all safety features. But I have a big problem with lifetime data.After connecting the PCB to the battery in...

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