Forum Post: RE: 18W with TPS92210
pls send me your 18watt solution to my emailbabusgajelli@gmail.comthis is babusgajelli from Hyderabad
View ArticleForum Post: Increase PMP4351EVM maximum output current.
Hi: I would like to modify PMP4351 EVM output from 5V/2A into 5/V/2.4A for iPad wall charger.Can I change the resistance ratio connected to CS pin or VS pin? If I can, increase or decrease the...
View ArticleForum Post: AC-DC Convertor with high efficieny using UCC28600
Presently we are doing a SMPS project for well know institution along with state government for a rural power product for India. They are projecting a initial volume of 10K at start up for trial run....
View ArticleForum Post: RE: Solar Powered LED Lantern with Mobile Charger.
The TPS63060 and the app note I sent contain full design guides to let you design what you need to. You can use the D/S recommended TPS63060 circuit and compute a few equations to pick the components...
View ArticleForum Post: RE: TPS3808G33 calculation of delay time min/max
Hello Ryan san, Thank you for the checking again.I understood. Best Regards,Ryuji Asaka
View ArticleForum Post: RE: UCD3138 sample code
I do not have the UCD3138PSFBEVM-027evaluation board.What I do have is a full bridge converter (currently controlled by UCC28950) and a UCD313806EVM-166 board.I plan to integrate the UCD313806EVM-166...
View ArticleForum Post: Charging current at TPS2543
HiPlease tell me that charging current connecting at TPS2543 and IPAD2.Connecting conditions are as follow.1,Connect the IPAD2 and TPS2543EVM,Vbus in shorted by external jumperwire, and opend the Vout...
View ArticleForum Post: RE: TPS61260 startup
TPS61260 is not a part of AC/DC and ISOLATED DC/DC.You can search it to find the forum it belonged.
View ArticleForum Post: RE: Re: operation of bq24650 MPPSET
Hi Siva,I suggest you to ask in the "battery management" forum.Regards
View ArticleForum Post: RE: TPS65123 fault detectoion threshold
Hello Johan,Please excuse the late response.The fault protection threshold is around 90% of the nominal value for Vmain and VGH. When FBL is above roughly 110mV, the protection on VGL will turn on.Best...
View ArticleForum Post: RE: disturbance on BQ24650
Thank you!when you say disterbance are you talking about the ringing. This is typically caused by the layout inductance in the power path. The input caps need to be close to the switching FETs....
View ArticleForum Post: RE: Flyback converter with CCM mode
Hi SonokiLM5122 can be used for both non-isolated syncronous flyback and isolated synchronous flyback.Please refer PMP9258 and PMP9256.RegardsEric
View ArticleForum Post: RE: LM5122 / output current
Hi YaitaYou are right. Since LM5122 is a controller, its current capability depends on MOSFET selection.Regards,Eric
View ArticleForum Post: RE: Synchronizing the TPS40210
Hi Anthony, I have read the topic with interest, but found your explanation about how the FET method works followed from some scope traces showing how two devices seemed to be performing incorrectly....
View ArticleForum Post: AUO-L102.16 and AUO-P101.16 programming specifications request
Hello,I would like ask if there are available programming specifications for AUO-L102.16 and AUO-P101.16 devices.We have demand for implementing programming support for these two devices and I'm...
View ArticleForum Post: RE: LM3481 SEPIC shuts down on Vsupply surge
Hello Juan,thank you for your comments; here my answers to your remarks:1) sorry, I forgot to mention it. The circuit is oversized for a maximum current of 1.5A, but in reality the output current is...
View ArticleForum Post: usb enumeration error want ot check role of tps2561
hi,in my cardThe 88AP510 processor provides two USB 2.0 ports. The 4-channel multi TT (Translator) hub CY7C65642 is used to provide 4 high speed USB 2.0 ports on each USB interface of processor...
View ArticleForum Post: RE: TLC5940 / TCL5941: glitches when shortening the PWM cycle
Hello Jesse,Could you check the following points? 1. What is setup time of BLANK falling edge to GSCLK rising edge on your system? BLANK signal must be set low at least 10ns earlier than 1’st...
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Forum Post: UCC28950 / abnormal gate function
Hi,I’d like to ask about the function of UCC28950.My customer evaluates load transient on his DCDC converter board, but he found some abnormal function.He confirmed that outC/D lock up for 1 cycle...
View ArticleForum Post: bq24450 charging trouble
Hi all,For charging 12V 7.2Ah lead acid batteries, I choose to use the bq24450 charger.I made a test pcb with the schematic of figure 8 in the datasheet (with Dext added, and common-emitter pnp...
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