Forum Post: Variable 0-400 VDC Supply
What is the best method for designing a variable supply for this range? What if I also need remote control via RS232? I haven't found much info on designs that require this. Thanks,
View ArticleForum Post: RE: Is the PMP8372 suitable to generate ±12V output with 106dB...
Hey Mariano,Please email me with the load requirements. both the power module and LDO can output 12V so we should be good; might have to cut some traces however.my email is sarmad@ti.comthank you
View ArticleForum Post: Is there an IC that fully utilises the available current from a...
As I understand, the BC1.2 spec defines three types of USB port:SDP, 100mA init, up to 500mA negotiable (900mA for USB3)CDP, variable current limit depending on the protocol mode1.5A for low and full...
View ArticleForum Post: RE: TPS650250 efficiency low.
Hi Perry, For the LDO, the best case efficiency for Vout = 1.2V and Vin = 1.8V is about 66%. So, the 42% isn't too far off from expectation with the FET loses taken into account. For the VDCDC3, 58% is...
View ArticleForum Post: RE: TPS25910 questions
Hello Mike,I agree about the datasheet being unclear with regard to the power pad and we will get this fixed. FYI, TPS25910 is a descendant of TPS2590 and TPS2590 has a section on the PowerPad in the...
View ArticleForum Post: RE: TPS74012 Jr S-PAK-DPT
Dennis,I have requested the packaging group for more details and will get back when I know more. ThanksRegards,Kartik
View ArticleForum Post: RE: TPS7A4700 vs. LP38798.
Allen,Both parts are comparable except at certain frequencies. You can compare the PSRR and Noise plots on Page 9 of TPS7A47's PDS with Page 6 of LP38798's PDS to get an idea. ThanksRegards,Kartik
View ArticleForum Post: RE: When TPS7A37 will be lauched ?
Hello Kartik san, Thank you for the information.I understood. Best Regards,Ryuji Asaka
View ArticleForum Post: RE: TPS7A8001 / resonant point
Hello Kartik san, Thank you for the checking.I wait the simulation data. Best Regards,Ryuji Asaka
View ArticleForum Post: LM20136 / Sync , Enable voltage
Hello, In my customer use LM20136 by below conditions.----------------------PVIN , AVIN : 0VEN: input clock signalSYNC : input clock signla---------------------- I think that there isn't any problem...
View ArticleForum Post: RE: HELP URGENT: TPS3808G33 RESET_B always stay at "LOW"
Soon and Darwin,We had the same issue with the TPS3808G33DBVT parts, date code 1236M. All 5 pieces we tried were always low on the reset output.We then replaced them with a different date code, and...
View ArticleForum Post: RE: bq24086 / input pulse current
Hi Jeff-san,Thank you for your comment. I understand that this pulse should be charging current into output capacitor. Best Regards,Sonoki
View ArticleForum Post: bq27421-G1 / Benefit of high-side sending
Hi Team,I would like to promote TI's new fuel gauge device of bq27421-G1 to our customer, then I would like to know the benefit of high-side sensing. I believe that bq27421-G1 is similar to bq27425 but...
View ArticleForum Post: PTH08T250W Absolute Maximum Input Voltage
HiHow much is input maximum rating of PTH08T250W?Regards,PAN-M
View ArticleForum Post: RE: bq34z100 - flag "FC" is not set if "FC set% =-1"
Good day!I understand the answer will not be?
View ArticleForum Post: RE: incorrect definition of capacity
Good day!I understand the answer will not be?
View ArticleForum Post: Audible noise is coming from my power supply
I have designed one power supply using UCC28019 PFC controller followed by UCC28600 Quasi resonant converter but audible noise is coming from my power supply My input and output specifications as...
View ArticleForum Post: RE: TPS 40304 Start up problem
Hi Behzad,I think the part may possibly hit the maximum duty cycle. There is no good solution but increasing input voltage.Regards,Na
View ArticleForum Post: RE: TPS40054 Maximum duty cycle too low
Hi Bert,If the battery does not need to share the same ground as the solar panel, you may consider using the inverting buck-boost instead of buck converter. And you can still use the TPS40054/5/7 as...
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Forum Post: BQ34Z100 VEN ON with REG 30mA Current . Why increase Current at...
HiI have some question for BQ34Z100 Spen.This device has LED indicater as Gage Staus.Now Our sysytem use 10 LED indicator for Remain Gagae.But we found this pehnomenon and dupulicate step 1 ) - 3)...
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