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
Power management
Discuss power management solutions. Ask questions and find answers on voltage configurations, short circuit protection, and programming.
Forum Posts
Wireless modular phone case accessories
Hi. We need help to integrate wireless charging Capabilities to phone modules.Each phone will carry space for 2 magnetized modules.[ external battery / wireless earbuds / vaping ]Phone models are: s22 and 23 ultra 5g +( battery module to send power t...
STDES-30KWVRECT Vienna Rectifier AC-DC Conversion
Hello all,In the STDES-30KWVRECT Vienna Rectifier power circuit, 1. Relation between Q1 and Q2 switching pulses are IN-PHASE, likewise I want to know, How Q1 and Q3 switching pulses are related ?2. What PWM technique is used to generate switching pul...
Exposed metal on leads of SCTWA60N120G2-4
I'm using SCTWA60N120G2-4 for one of my power management PCB. However, I saw there is copper exposed on the component leads. Base on IPC 610-H requirement, exposed basic metal on component leads is defect, but it seems to me the expose metal is manuf...
Resolved! Component Identification
I believe this is a TRIAC based on the circuit it is in, but I cannot find any data on this device nor vendors having it in stock. It's a TO-220 package, could someone please explain the ST part numbering? Thanks!
Resolved! Help to identify a TVS?
I am trying to identify a transient voltage suppressor manufactured by ST that I need to replace.I have not been able to determine the correct product based on the coding found on the package. Would anyone here be able to identify this TVS?The coding...
STUSB4710AQ1TR: Clicking Noise and Large Voltage Ripple at No Load
Hello,I am using the STUSB4710AQ1TR to charge some USB-C devices at the default 45W. I am operating in a mode that's only charging (no data communication). To do this, I used the recommended application schematic provided in the datasheet. My input v...
Resolved! DocID023432 Rev 7 (September 2021) - The document may have an information error
If the absolute maximum input value is 20V, how can there be a graph with 32V input value? :thinking_face:
Resolved! Tantalum filter caps for LD1086?
The datasheet for the LD1086 specifies that I should use a 10 uF capacitor to filter the input/output of the device. The datasheet schematic for a typical application shows polarized filter caps. But the datasheet doesn't specify what type of capacit...
Viper 22L
Hi, I need to know whether do you use Viper 22L component? Please respond......
Resolved! STPMIC1 and ST-Link
Hello,Since I'm trying to design a relatively simple and mainly small STM32MP157FAD1 board (MPU, DDR3L, eMMC, WiFi+BT, microphone, speaker and display), something like a wearable motherboard, I'd like to ask if it would be possible to power the whole...
