Power management

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Wireless Charging solution Wiki

This Topic is used for Wireless Charging solution 1.Mcu C drive code: GitHub - STMicroelectronics/STWirelessCharging-C-Drivers: Standard C platform-independent drivers for wireless charging ICs    

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willzhou by ST Employee
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Enable VIPER26K

Hi there,My question is if there is a way to enable or disable the Viper26K with for example an optocoupler.In the isolated flyback topology this is done cycle by cycle. But we want to enable/disable it in the high voltage buck configuration. Can we ...

Resolved! E-L9823 pin 21 - NC

Hi. Looking to use E-L9823 as a replacement in a legacy design.The datasheet states pin 21 is not connected. Looking to confirm it is a true "no connect" internally on the part.  On our existing PCB it will be tied to +24V. Thanks.

Resolved! Heat output of RLimit of STEF01FTR (eFuse)

If the resistance value of RLimit is set to 14Ω to 22Ω, how do you calculate the heat generation of the resistor?Is 0.1W OK for other resistors?Also, can you provide the BOM for the evaluation board (STEVAL-EFUSE01)?

Resolved! l6566bh based flyback converter ground short together

hi all,     i am designing flyback converter based on the l6566bh. i have 2 outputs on the secondary side, both are separate windings (different ground potential) in transformer. can i short together for shared ground reference if isolation is not ne...

[vnf1048f] K Value

I'm using the vnf1048f chipset.k value is required for current sensing, but it is not specified in the data sheet.Can you tell me what the k value is?

gj by Associate
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STWBC2-HP

我需要一份STWBC2-HP的原理图文件,我已经登陆了,但是我在下载的时候依旧提示我登录我还想问STWBC2-HP这个IC需不需要驱动文件,如果需要的,麻烦一并发给我谢谢。  

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Fengji by Associate II
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ESD Rattings for SCTW100N65G2AG

Hello,   I am trying to find the ESD ratings for this SCTW100N65G2AG. Usually its given in datasheet where its talking mostly about electrical stress data showing the ESD HBM and ESD  CDM, but I can't find this information in this MOSFET's data sheet...

Moby by Associate
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