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
Resolved! {19368485} Top marking for LDO L78L33ABUTR
Dear Respected Sir/Madam,Could you kindly confirm if the top marking 9C220 on the received LDO with Part Number: L78L33ABUTR is correct?As per the catalog information, the expected top marking for this LDO appears to be 8A.For your reference, I have ...
Resolved! ViperPlus Series for DCDC
I am trying to build a DCDC Converter with following conditionsVin: 400~600VDCVout: 12~15VDC(Isolation is not required)Current Rating: 100mA~300mA(Not really stricted)I can see DC application simple schematic at the first page of the datasheet for Vi...
Resolved! Convert PB battery charger for LiFEPO4 batteries
Hi!I have an electric scooter that's a few years old, and I'm trying to find out if it's possible to use its charger for LiFePO4 batteries. The scooter's original batteries are two lead-acid units connected in series (24V total)The charger has the re...
Resolved! STC3100 Current register nonsense values
Hi, I am having the same issue as this previous forum post, but the question was never answered. Voltage and temperature sense give expected readings. REG_VOLTAGE_LOW: 29; REG_VOLTAGE_HIGH:6 --- VOLTAGE: 3818mVREG_TEMPERATURE_LOW: 186; REG_TEMPERATU...
Resolved! STWLC38 FCC test settings
Hello expert,We are developing a product using STWLC38 and are currently trying to obtain FCC certification.In order to perform the test, the following is required by the testing agency.・To output a continuously ASK modulated signal. (We only use BPP...
SPICE model for LDFPVR ?
Your products have been instrumental in helping us achieve remarkable advancements, and we truly appreciate the quality and support you provide. I am currently developing VHF PA circuit that incorporates your product, the LDFPVR . To validate the de...
Resolved! STW40NF20 Alternate
Kindly suggest 1-2-1 replacement for STW40NF20
SRK2000A: IC skips the gate pulses.
Hi, We are working on LLC converter Vout=12V; Pout=100W. We are using SRK2000A IC at the output. We are facing some issues related to it. The IC behaves as expected while driving the load from 30% to 100%. But when we start reducing the load below 3...
Resolved! Missing application note AN1965
Several production-active STM products reference application note AN1965, e.g. referenced in STA540's datasheet ( https://www.st.com/en/audio-ics/sta540.html ). This application note seems to be about heatsink considerations. Application note AN1965 ...
Resolved! VBATMON Operating and Absolute Limits – L9678P
Dear ST Support Team, We are using the L9678P in an automotive design where the battery voltage is nominally 28 V. From the datasheet, we understand the following for the VBATMON pin: Absolute maximum voltage: 40 V Operative maximum voltage: 18 V We ...
