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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STCMB1 based design

Posted on January 06, 2017 at 05:54Hi,I am trying to design a power supply Vout=100V, Pout=500W, Vin=110VAC using the STCMB1.From the STCMB1 datasheet and the EVLCMB1-90WADP datasheet is not clear how the flyback and PFC transformers should be desig...

Viper114 certificate

Hi,I'm looking for security certificate of this composant : Viper 114XSTR.May be CE, UL or VDE certificate, it is for our product to pass CE61010 norm.Can you help me ?Thanks 

Difference in SIC Acepack module

Hello everyone I am curious to know about the details and difference between two SIC acepack ,module, that why they have cost difference.1. ADP360120W32.ADP480120W3-LApart from the cu4rent ratings. Why the one with lower rating is more costlier .

VJ221B by Associate
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efuse VNF1048F

Hi, I have a query related to efuse VNF1048F. Is real time current reading in e-Fuse is possible or not Regards, Reshma

resh07 by Associate
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L7986ta Ripple issue at various Vin voltages

Hi..We are using L7986TA IC in our buck converter circuit.Vin : 20.4VDC to 38VDCVout: 3.7VIout: 0.250AL : 15uHCin: 220uF x 3Cout: 470uF We are observing high ripple around 400mV above 30VDC supply..can u please help us resolve the issue.

Resolved! SIE20034

Hello! There is an IGBT driver in a motor controller: SIE20034. Manufactured by ST. It can be bought in online stores, but I can't find any information, description, foot distribution, anything about it anywhere in the world. How can this be? So how ...

ISO808 Fault status

During a short circuit of the ISO808 channel output (+28V) to ground, the fault status shows a voltage between 0.8V and 1.4V instead of 0V. When the short is removed, the fault status reads 3.3V. A 1k pull-up resistor is connected to the fault open-d...

Resolved! How to set the STWLC38 to 15W(EPP)

Hi,I use the STWLC38 for wireless charging.Just set the BPP VOUT to 9V, and other REG is in default value.In test , the output current around 0.6A . (The chip emits a squealing sound)If I want to set the Rx to 15W, which REG I need to set. And I have...

Hua by Associate
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