Clik here to view.
Wiki Page: bq77910 reset: How can I recover from a permanent fail?
My bq77910A design has CHGST high, the bq77910A wakes up during cell connection and has set the open cell fault before I get all cells connected. How can I prevent this and recover from it?How can I...
View ArticleForum Post: Suitable IC for 3.3V, 3A output
Hello,I would like to choose an isolated AC/DC flyback controller IC which would be best suitable to get 3.3V, and up to 3A output. It should be low cost (<0.5$)as it will be used in mass...
View ArticleForum Post: RE: Voltage Doubler Recomendations
And these National/TI charge pumps:LM2765: http://www.ti.com/product/lm2765LM2766: http://www.ti.com/product/lm2766LM2767: http://www.ti.com/product/lm2767Also LM2681 , LM2665.
View ArticleForum Post: RE: TPS53219 Load Regulation: How to Improve
Hello David, I have escalated this post for you. I apologize for the delay.
View ArticleClik here to view.
Forum Post: RE: bq34z110EVM Design Steps procedure. Optimization Cycle problem.
Hi Sir / Madam ,This is Vengad here from Avnet , one of my customer is interested in BQ34Z110 device . They would like to use for UPS Application with 150 AH Lead Acid Battery to measurethe SOC / SOH...
View ArticleForum Post: RE: BQ77908 High Altitude Balloon Mission - Recovery from Single...
If you want to reset the part, see http://e2e.ti.com/support/power_management/battery_management/w/design_notes/1450.bq77910-reset-how-can-i-recover-from-a-permanent-fail.aspx If it is a JEDEC latchup...
View ArticleForum Post: RE: NEED INFORMATION- TL431QDCKRG4
Jayakumara,1) Tj max 150C2) Pd is set by application. Pd = [cathode voltage] * [cathode current]; For VKA=VREF and 10mA, Pd=2.495V*10mA = 25mW3) Maximum power dissipation is a function of TJ(max), TJA,...
View ArticleForum Post: RE: bq20z65EVM Terminate Discharge
Markusyes, The fets turn off if the CUV threshold is reached which in your case is 3500mV. The terminate discharge alarm or the rem cap has no control over the fets. thanksOnyx
View ArticleForum Post: BQ2205 Vout Max output current
I search in datasheet of BQ2205 and I don't found the max output current from Vout pin. I see only information about Vcc supply current Typ:210uA to max:500uA. I need Max current output of VOUT pin...
View ArticleForum Post: RE: bq20z45-R1 reading parameter Min and Max value
Hi Kohei,These Min and Max values in the TRM are the same values which are contained in the .encr file which the EVSW uses.thanksOnyx
View ArticleForum Post: RE: BQ24165/6/7 Impact of driving IUSB[3..1] = "111" vs...
IUSB[3..1] = "011" is actually USB Suspend and IN operates normally. IUSB[3..1] = "111" is high impedance mode, which effectively disables both inputs.
View ArticleForum Post: RE: BQ20Z75DBTR-V160 I2C latch-up
Hi Chee,Did you resolve your issue yet? There are no figures attached to this post as decribed in it. thanksOnyx
View ArticleForum Post: RE: bq77908A bq77910 high current cell balancing
I agree that on page 4 it does have them hooked up with no isolation. My question was with regards to the post that WM5295 made on June 6 in which he said "Sharing the sense resistor with the gauge...
View ArticleForum Post: RE: Bq34z100 Control and Block commands
Giuliano, I posted a couple examples using subcommands at this e2e location. Please review it and see if it helps....
View ArticleForum Post: RE: TPS81256 not preforming
Florian,The TPS61240 is working fine after I grounded the plane. We are convinced the TPS81256 is faulty. What are the steps to getting it replaced?
View ArticleForum Post: Electromagnet power supply
Hi,I have a requirement of supplying varying voltages from an incoming 24V DC source to an electromagnet. I need to derive 40V from 24V with about 2A output current requirment and dynamically change...
View ArticleForum Post: RE: bq28550 I2C Communication Problems
We have resolved the issue now; our pull-up voltage was different from the bq28550's. Onyx, thank you for all your help.
View ArticleForum Post: RE: TPS65910Ax Built-in RTC
Hi Dan,Thanks for your support and those precisions.Regards,Frank
View ArticleForum Post: RE: BQ77PL900 - One of the ten differential cell voltage outputs...
The part apparently sums VC11 and GND, turning on both bottom switches in figure 7 for the sample. You can see this on an oscilloscope if you look carefully seeing the effect of the voltage divider of...
View ArticleForum Post: RE: TPS40210 questions: Thermal pad, and Sub-Harmonic Instability
Also, when connecting the thermal pad to ground, was it connected to the ground plane right by the GND pin?
View Article