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
L9963E Fault-L pin.
hiI made a board with stm32l431 and L9963E.The voltage, current and temperature values have been read successfully.In addition, it was confirmed that it operates with settings such as UT, OT, OV, and UV.However, the Fault-L pin does not change to hig...
Resolved! STWBC86 FTP
Hello, I recently designed a wireless transmitter utilizing STWBC86, however, I have encountered a boot issue due to an empty FTP memory. I have been searching for firmware and a GUI to upload the firmware into the FTP, but have not had any success...
Resolved! How to discover date code from label lot code
Hello, I ask help for finding a way to discover the data code of a VNP35N07-E from the trace code (GK1470EJ) shown on the label.Attacched the label.ThanksPaolo
Resolved! BTA16 vs BTA20
Hi all,We have an application of an electric heating boiler using BTA16 triacs to commute resistive loads of 13A (rms). The max. temperature in the triacs is around 70ºC-80ºC.We are studying the option of using the BTA20 triac instead of the BTA16 on...
Requirement of DC-DC converter
Hi ST team, I have requirement of DC-DC converter as per below :- Input voltage range: 20V-30V/1ARequired dual output +15V and -15V.Input voltage range: 20V-30V/1ARequired dual output +10V and -10V.Input voltage range : 20V-30V/1ARequired output ...
Resolved! Using a STWLC38 with an optional USB-C charging
I'm looking for a reference schematic where I can use the STWLC38 for Qi charging, but the Qi charging will be disabled when a USB-C is plugged in. I also need the USB-C Vbus to be isolated from the connector while the Qi charging is active. I'd real...
Resolved! L9502: How to understand the SPI Frame Counter and SPI Interframe delay?
I'm working on a project to use L9502 for PWM output diagnostic. But we can't be sure how to config the Frame Counter bit in SPI message. Is it need to update the frame counter every time, or it just need to update it in consecutive frames? And for ...
individual LED driver
Hi frds,I've choose blue color led, that led works mention voltage & current, but my doubts is i choosed driver led driver for each LED, Which one is best ?, pls suggest anyone....This part no'sLED2001PHLED2000DRST1CC40DR
Resolved! STWBC86: Does it come pre-loaded with firmware?
Hi all, I'm designing a Qi charger and I'm wondering if I'll need to flash each IC in production, or if they come pre-loaded with firmware? If I have to flash them, is it done via the I²C interface? Thanks!
Resolved! STWBC86 TX powers on and off every 4 seconds
Hi all, I designed a custom 5W charger around the STWBC86. I programmed the config and patch found in STSW-WBC86FWBPP to the IC using WPSTUDIO and I got it to charge my device (another custom circuit, this one using a TI BQ51050 receiver IC)... for 4...
