Power management

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

STTH110,diode failure in two-tube forward application

Hi all， STTH110，the role of the diode in the two-tube forward circuit is the demagnetization of the transformer, which is found to burst in use. The diode is exploded in the middle, pictured below: The question is how did the diode break? The ...

Resolved! L6981C50DR power module pcb design

Hi all,I selected the L6981C50DR for my DC DC buck converter with the following external components and schematic for my application:Cin: GRT31CR61H106KE01L Multilayer Ceramic Capacitors MLCC - SMD/SMT 10 uF 50 VDC 10% 1206 X5R AEC-Q200 RoHS Complian...

L6924UTR: abnormal behavior of ST1 and ST2 outputs

Hi all, I have a problem with the L6924 in the below schematic. After ca. 1 minute of USB power both red and green LED lit and the output keeps on bouncing from 0 to 4.6V with or without battery attached. The 5V USB are stable and so is the charger...

Question for SPSA068 program

Application: BMSEAU: 100KSOP: 2025Q3End customer: NDA needI want to know SPSA068 if we can program by customer?How to program? Any tools we can use?Do ST can provide burning file from factory configuration?

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...

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...