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    

willzhou_0-1717985741931.png
willzhou by ST Employee
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Why 400V 800W PFC with L4984D function ok when the load is resistive but not when the load is a switching with a transformer?

Hello, I designed and manufactured a PFC circuit with a L4984D for 400V 800W output. I tested it until 860W with a resistive load and function ok. I need to power with it a 600W, 400V to 24V DCDC. This second step consist of a full bridge with a tran...

EBaye.1 by Associate
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L7987L problems

Hello!I use L7987L DC-DC as step-down regulator with input voltage range 9-60V. output 5V , 2A max.Online design offers schematic i use (see image).I have a trouble with dc-dc stability with IC.With some input voltage and loads It is instable. With l...

RGais.1 by Associate
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STSW- IDS002V1:GUI can’t go on to work

When I evaluated the STEVAL-ISV021V1 using GUI, there didn’t show any data in the right table and can’t go on to the next process after I clicked on “VOC calc�? button.

BYang.3 by Associate
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