Power management

Discuss power management solutions. Ask questions and find answers on voltage configurations, short circuit protection, and programming.

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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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  • 19 replies
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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 II
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  • 1 replies
  • 1 kudos

Resolved! STWBC86 Refrence 5W design

Hello,Could you please direct me to a complete reference design schematic? The one provided in the datasheet appears incomplete, and many of the forum links on this topic seem to be inactive.Your assistance would be greatly appreciated.

Fritz1 by Associate
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  • 1 replies
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