Forum Post: RE: BQ24161B SDA/SCL Pull-Up Voltages
We have used the bq2416x parts will I2C lines pulled up as high as 3.3V without incident.
View ArticleForum Post: RE: BQ20Z75 high current consumption issue
Hi Onyx,Thanks for your quick reply. I will check on my circuit and get back to you if there is any issue on current consumption of the board. I would like to know how do i identify whether it has gone...
View ArticleForum Post: RE: BQ34Z100 Host System Calibration
Shirley,We do not have a document published with calibration code examples for the bq34z100, but the process flow should be that same as that shown in the SLUA640 document. The read and write command...
View ArticleForum Post: RE: BQ34Z100 Write with standard command
Shirley,Data must be read in blocks, modified and written back into the device in blocks. Have you tried the process flow example shown on page 11 of SLUA665?RegardsTom
View ArticleForum Post: RE: BQ77910A recovery from OC (Over Current) and SCD (Short...
I know the frustration. As you indicate the currents will be the same for series or parallel configuration. With series configuration the transients will feed into the part not only through the cells...
View ArticleForum Post: RE: update firmware at production
Hi Tom, Noted. Thanks for your quick reply.Best regards,Shirley
View ArticleForum Post: RE: Gas gauge selection
Hi Gautam,Thanks for your advice. We are filter out this IC(bq27541) in the same link what you have posted. We are choosing this IC because of low cost and simple circuit(less space,QFN package...)...
View ArticleForum Post: RE: Gas gauge selection
Thanks for your care and suggestions GauthamWe will try to do the sameRegards,Naveen K
View ArticleForum Post: RE: Not able to change the qmax cell 0 value in bq34z1xx
Are you seeing the NACK's while using the EV2400 or your uC? I have verified that these parameters can be changed using the EV2400. If you are seeing NACK's while using this interface, then your device...
View ArticleForum Post: RE: BQ34Z100 - Capacity goes to zero with no load after a day or two
ShaneWe do not set IT to enabled as a default in the golden file, because the device should be calibrated, etc. before IT takes control of the pack. Sending the IT Enable is well documented in our pack...
View ArticleForum Post: RE: TPS25910 questions
Hi Mike,I don't expect any damage or mis-operation issues when using the TPS3700 in this fashion. TPS3700 has a wide VIN and 5V operation is well within that range. TPS3700 output is open drain so you...
View ArticleForum Post: RE: Looking for some advice for 8x8 RGB Led matrix driver
Hola Eduardo, alegria encontrar a un argentino por estos pagos. Me gustaria saber si pudiste hacer algo al final. Si podes contactarme por mail asi me pasas info util (es para un proyecto de la facu)....
View ArticleForum Post: RE: BQ77PL900 Circuit Suddenly Not Working
I would not expect the conformal coat to cause a problem.If multiple (all?) boards are having the same apparent undervoltage, I'm sure you have checked the obvious cell count configuraiton.The IC is...
View ArticleForum Post: RE: BQ34Z100 Write with standard command
Hi Tom,I see, my steps are wrong.I haven't tried with it yet, will read the flow again and try with it later. May I know what are the commands that I shall send to read the Alert register in order to...
View ArticleForum Post: Negative voltage monitoring on UCD90160
Hi TI,I have to monitor a negative 5.2V on UCD90160.But the UCD90160 can monitor only upto 2.5V.Please let me know how can i do it? Please share the circuit if possible.
View ArticleForum Post: RE: Multiplexing using TLC5951
Hi there!In the end, due to time constraints and the fact prototyping would have taken slightly longer with the IC package for the TLC5951, I opted to use 3 8-channel driver ICs that were available in...
View ArticleForum Post: RE: BQ77910A recovery from OC (Over Current) and SCD (Short...
Dear WM5295,I had a small change of approach,I have a gas gauge on the circuit that is connected to B+ through a tactical switch.basically I connected B+ through the tactical switch to CHGST. as I...
View ArticleForum Post: High Side or Low Side
what is the type of this partnumber TPS22901YFPR ? High Side or Low Side ? and how can i get this information ( High Side& Low
View ArticleForum Post: gas gauge for 2 li - ion batteries
hi I need some help in selecting the right gas gauge for my application.I am using 2 li - ion batteries connected in series (i need 7V) but charged separately (because I want to be able to cahrge it...
View ArticleForum Post: RE: BQ77910A recovery from OC (Over Current) and SCD (Short...
Dear WM5295,I examined your comment about the voltage over Vgs.that seems to be the problem!I replaced R41 and R48 to 2 x 200K resistors. which placing a steady ~6V on Vgs.this is a solution for this...
View Article