Power management

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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 2. Python drive code, check attach file "Python_FT260_S...

willzhou_0-1717985741931.png willzhou_1-1734156149269.png willzhou_0-1734155900141.png
willzhou by ST Employee
  • 5786 Views
  • 15 replies
  • 10 kudos

Resolved! L7987 ripple issue

HI Sir,we have two different results of the ripple noisebase on same PCBA design, but different L7987 origin:1. Mark of "ST e3 G9207,L7987, CHN 3L0",ripple noise 2.2V 2.9KHzinput 24V, output 12V, load 5ohm 2.4A 2. Mark of "ST e3 7B658, L7987, PHL 037...

L7987 CHN 12V 2.4A.jpg L7987 PHL 12V 2.4A.jpg L7987 CHN.png L7987 PHL.png
PZha.1 by Associate III
  • 1236 Views
  • 5 replies
  • 1 kudos

Resolved! STPS3045CPI Obsolete - Common cathode doubt

Hi,STPS3045CPI is now obsolete and STMicroelectronics no longer carries collateral support. I am wondering if anyone can help. I am looking thru old documentation but it is not clear to me whether the mounting plate on the top is connected to the com...

ManuelDS by Associate
  • 790 Views
  • 1 replies
  • 0 kudos

Resolved! STPM3x INT1/2 outputs - how to configure

hi,I am now familiar with the STPM3x programming, by using EVALSTPM33/34 boards.I have been able to do some basic low voltage testing where I receive interrupts on INT1 line on EVALSTPM33/4 for voltage swell before I try mains voltages.Then I run the...

PaulL by Associate
  • 662 Views
  • 1 replies
  • 0 kudos

Resolved! Use of powerSTEP01 in “voltage mode�?

We are developing an OEM board which is capable of driving bipolar stepper motors from 15 to 80Vdc 10A max, in voltage mode and current control. Our customers should be able to change the supply voltage (Vbus), operating mode (voltage or current), wi...

L4985

 In my 750W PFC project, I've employed the L4985A PFC controller IC. I utilized the e-design suite offered by ST to design my PFC, and I fabricated the PCB using the components specified in the e-design file. Despite ensuring that all the necessary v...

kmpandav by Associate
  • 749 Views
  • 3 replies
  • 0 kudos

Resolved! LDL212 undervoltage mode

Hi, can you tell me what happens to the LDL212 when the input voltage drops below the output voltage+dropout? Does it track the input voltage (minus the dropout voltage)? Or does it drop out? Also, in the datasheet it mentions undervoltage lockout in...

ryanharm by Associate II
  • 995 Views
  • 4 replies
  • 1 kudos

Steval-L99615C Request Refund

I have tried every possible option to get the discovery kit working. I am not satisfied with your technical support. How do I return item for a refund?

KWarr.1 by Associate II
  • 413 Views
  • 1 replies
  • 1 kudos

Why my STGIPS10C60-H has no output voltage

When using the chip GIPS30C60-H, sometimes the three-phase bridge switching signal is given but there is no output, regardless of whether the SD/OD pin is set high or not. This chip is used in a motor controller with a 0-270V DC bus supply and input ...

CSLx30 by Associate
  • 513 Views
  • 1 replies
  • 1 kudos