Power management

Discuss power management solutions. Ask questions and find answers on voltage configurations, short circuit protection, and programming.

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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
  • 9301 Views
  • 19 replies
  • 18 kudos

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...

Rafao95 by Associate
  • 12 Views
  • 0 replies
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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...

rs231 by Associate II
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  • 5 replies
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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...

Ryoma by Associate II
  • 100 Views
  • 4 replies
  • 1 kudos

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...

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...

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...

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PKulk by Associate
  • 114 Views
  • 1 replies
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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 ...

fff by Associate II
  • 117 Views
  • 4 replies
  • 4 kudos

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 ...

Resolved! RoHS statement

Hi ST staff,I need your help.Our custoemr needs to get the latest version of "Rohs statment" with signature as attahced.Could you pleased to share for it, moreover, thanks to upload on your website in near futurelike as Onsemi or Nexperia do so?

Daocun by Associate
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  • 3 replies
  • 0 kudos