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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  • 17 replies
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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...

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mrs by Associate II
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  • 11 replies
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USBLC6-4SC6 Schematic Design Verification

Hi,We are using USBLC6-4SC6 TVS Diode in our design for USB line. The schematic is shown below:We have connected IO1 pin in parallel to D+ line and IO2 pin in parallel to D- line of USB data lines where as IO3 and IO4 lines are left open. Can you ple...

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Information request for L6566B Vref voltage reference.

A 24 VDC, 10 A AC/DC converter design has been done using the eDesignSuite on the ST website.     In this design, L6566B controller has been used. After production of the prototype converter, we tested the converter using loads 4-5 amps. There was no...

EDokm by Associate III
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  • 1 replies
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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
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  • 9 replies
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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 II
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  • 4 replies
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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
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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!