Wiki Page: TPS61030 soft start switch current limit
Q: TPS61030 soft start switch current limit by 9312I want to use the TPS61030 as the switcher IC for a constant current boost converter. Application is as a 2xAA (mainly NiMH) LED flashlight driver....
View ArticleForum Post: LM3475 with Supply Voltage above the datasheet Operating Ratings
Hi,I have a PCB which has a couple of LM3475 buck controllers to provide 3.3V and 5.0V. They are each supplied from an input of between 11V and 12.7V. I notice the Operating Ratings in the datasheet...
View ArticleForum Post: RE: LM2675MX-5.0 Voltage spiking when Vin 16.2V
Turns out, that if I remove R48, 10k Res (pin 5 of 5V Reg), and leave pin 5 float the unit works as expected. I don't understand why, perhaps it is affecting the internal start up of the device. I...
View ArticleForum Post: RE: BQ34Z950 - BQ20z95 minimum battery capacity question
Anyone can help with this?Thank you
View ArticleForum Post: RE: BQ24450 BATTERY CHARGER
OKAY ARE YOU SAYING I NEED TO ADD A HIGH SIDE DRIVERTHE COLLECTOR WILL BE TO THE INPUT AND I WILL USE THE EMITTER OUTPUT TO THE DRIVER INPUTAND FROM THERE THE DRAIN TIED TO THE SAME POINT AS THE...
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Forum Post: Very urgent Support request bq24650 Solar SLA charger
HiMy application requires charge a SLA battery 12V / 40Ah from a Solar panel.The chargershould allowsolar panelfrom 22Wto100W ( panel Optimun operating voltage (Vmp)= 17V ) i itend to use the next...
View ArticleForum Post: Gauge selection
I am trying to decide between your gauges for my application. I think I have it narrowed down to your bq27520-G4, bq27510-G2, bq27425-G2B, and bq27620-G1. I'd like to know if anyone can provide insight...
View ArticleForum Post: RE: LM2594MX-5.0/NOPB input rise time
Hi Ivan,This can be made to work but takes several passives. We would like to suggest a way to do it. The maximum input voltage of the ON/OFF input is 25V. Wheras the input voltage maximum is 45V. A...
View ArticleForum Post: BQ2000 Frequency Operation Calc
Hi.I have a problem to found the exactly value of the operation frequency in my application. I didn't find any informations to how can I calculate the operating frequency on my case specifically.I'm...
View ArticleForum Post: RE: BQ27541 register problem
You can unseal the device if you have the unseal keys from the customer. The procedure to unseal is to write key 1 to address 0x00 (Control register in EVSW) followed by key 2 to the same address. To...
View ArticleForum Post: RE: UL certification application notes
Hi,I did find this App. Note that should help.
View ArticleForum Post: LM5116 60-90V to 55V 50A
Hello all,I need to design a power supply with this characteristics (VIN 60-90V, VOUT 55V and 50A) . I have been Considering to use a CI LM5116 to make this task, but I am not sure of that.Can this IC...
View ArticleForum Post: RE: UCC28600EVM 120W DIMENSIONS AND GERBER FILES
Lisa and Jeff,Thanks for your responsed. Just what I needed to know.Regards,John
View ArticleForum Post: RE: BQ20Z65 Safety Concern
When the permanent failure happens, it is impossible to enter precharge mode.
View ArticleForum Post: RE: BQ20z95 replace with BQ20z65
Tanvi,Even though the pins are almost pin-to-pin compatible, I would strongly suggest you carefully review the schematic in the user guide for the z655 to make sure you can do this with your...
View ArticleForum Post: RE: LM4510 shutdown current -- typo?
Hi Kern,Thank you for checking that. I hope those figures are real, since they're very good!Regards,Scott
View ArticleForum Post: RE: Advanced BQMtester HPA495 TIbqMultiStationNB2.18Setup.exe...
Thank you for the info.I'll test it on Monday.Have you a shematic for connecting the bqmtester only to 3s bq20z65?
View ArticleForum Post: RE: Not Getting PWM pulses from TPS40054
Dear Mr.MC,May I know that did you send the PCBs? If not please send me the boards and give me acknowledgement email, so that I can proceed accordinglyour office address:SAURYA ENERTECH PVT LTD,864,...
View ArticleForum Post: RE: LP38500-ADJ REGULATOR OUTPUT SHORTS TO GROUND
Hi Jeff,Let me investigate furhter and get back to you. Thanks for your help.Regards,John
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