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 2. Python drive code, check attach file "Python_FT260_S...

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willzhou by ST Employee
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  • 14 replies
  • 6 kudos

STC3100 Data sheet

 Hi allMy team are using STC3100 for our project. But just I confusing as following itPlease see as following URTSTC3100  data sheet mentioned Rev1.1 and Date of 19 Sep 2016https://www.st.com/ja/power-management/stc3100.html#documentationBut this DL ...

Yoshi441 by Associate
  • 186 Views
  • 3 replies
  • 0 kudos

L9907 SPI issue

Hi,I'm configuring a L9907 Driver IC using a STM32 controller. The controller is sending 0xEAAA to the driver IC, however the driver IC is not responding to the input. The MISO pin is flat at 0.Kindly help me resolve this issue

BalaB13 by Associate
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  • 1 replies
  • 0 kudos

STUSB4761 rejects PDO with 5A

We try to use STUSB4761 for a 100W USB-PD Source.Test setup includes our PCB with STUSB4761 as power source, an e-marked 5A rated cable and Acroname "USBHub3c Pro Edition" as power sink.According to the log (see Attachement) of the USB PD communicati...

STUSB4761_Config_20241119_1.png STUSB4761_Config_20241119_2.png STUSB4761_Config_20241119_3.png STUSB4761_Config_20241119_4.png
mrs by Associate II
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  • 5 replies
  • 0 kudos

STWBC86 coil driver rise and fall time

Hello, is there any way to adjust the rise and fall time of the coil driver on the STWBC86? The observed rise and fall times are currently 3-4ns, but I am looking for ways to extend them to 70ns+ due to excessive emissions with my product.Thank you!

STUSB4700QTR powersource and datasink

I have the following situation:I have a custom PCB with a 4 port HUB ic on it (TUSB8041IRGCR). The UFP of the hub is connected to  my phone and there are 4 DFP.My phone negotiates with the PD controller via CC lines about what voltage it wants when p...

Erwin_N by Associate II
  • 190 Views
  • 8 replies
  • 0 kudos

Resolved! droput voltage for LDL1117

I just bought 10 pcs of LDL1117S33R which i plan to use them to power 3.3V modules form a 4V regulated source.According to the data sheet the typical dropout is 350mV and max is 600mV @1.2A. My module consumes less than 500mA, so i expect to have eno...

ves011 by Associate
  • 166 Views
  • 11 replies
  • 5 kudos

Wireless power transfer to rotating collector

(Split from: https://community.st.com/t5/power-management/induction-cooktop/m-p/731743) Hi everyone,I am wondering if anybody can help on an improper use of the induction cooktop .I've received an ST email featuring the STEVAL-KITXCB and it is very i...

Resolved! Induction Cooktop

Hi I'm looking for application note and design sources for STEVAL-KITXCB -Induction cooker Please share if anyone have this . Thanks