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    

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willzhou by ST Employee
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  • 16 replies
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Resolved! L6982C33DR & L6982C50DR always provide 2.5V output

Dear Community,I’m currently testing the L6982C33DR and L6982C50DR to supply 3.3V and 5V to my board.I followed the reference design provided in the user manual and completed the PCB layout accordingly.However, when I power the board with 12V (Power+...

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Sheng123 by Associate II
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  • 3 replies
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l6235 brake issue

i have a design using the L6235 motor controller. when the motor is running at 4800 I applied the brake and disabled the enable pin of the IC, all worked fine, But i was getting the motor overrun because of the inertia of the gears.I tried to applied...

Resolved! STEVAL-IPM10B Evaluation Board Purpose of "PWM_Vref" Pin

Hello again, dear STMicroelectronics team,While reviewing the schematic sheets of the STEVAL-IPM10B Evaluation Board, I came across a connector pin labeled 'PWM_Vref' (highlighted with a green circle in the image below). However, I couldn't find this...

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Hasan06 by Associate
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  • 2 replies
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Resolved! STGIB10CH60TS-L Isolation Issue

Hello, would it cause any issues if 'PWR_GND' (highlighted in green) and 'SGN_GND' (highlighted in pink) are not referenced to the same ground?Thank you in advance. Best regards.

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Hasan06 by Associate
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T1610T-8i won't turn off above 60c, should work to 100c

I apply three phases at 115vac, 400hz.I apply a 10A load. I turn on the Opto-Triac (VOT8121AB), and current runs thru the Triac under test(TUT) (T1610T-8i) and ac voltage appears at the output (ex; see CSSI_R_PhaA_Out, loc=A5, of Attached schematic “...

Burtb6 by Associate II
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Resolved! STEVAL-WBC86TX and STEVAL-WLC38RX coil change

Hello everyone,I got the above mentioned Eval boards with the following adaptions to suit my application:- Tx coil connected to STEVAL-WBC86TX: WE 760308101104 - Rx coil  connected to STEVAL-WLC38RX: Custom PCB antenna with ~1.5 µH self-inductance, ~...

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Resolved! E fuse with ASIL B compliance

Is VNF1048FTR of ASIL B compliance? If not can you suggest any E fuse with ASIL B compliance with 48V system, with SPI, current sense

Anjana1 by Associate
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Resolved! IPS2050H short circuit protection

Can the IPS2050H withstand a full short circuit on the outputs?Let's say the IPS2050H output is connected to a board power connector. What happens if:1. The connector is first short circuited and then the IPS2050H is turned on.2. The IPS2050H is alre...

Fredda by Associate
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  • 2 replies
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Resolved! HVLED007

Hello, Good Morning Can i design SMPS using HVLED007 which should work on universal input and should provide 24v 2amp at its output it is PFC too. The most challenging part is to calculate and wind flyback transformer. I've some transformer bobbins a...

D_N by Associate
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  • 1 replies
  • 2 kudos

STPMIC25APQR LDO Programming Issue

Hello We are currently working on programming the STPMIC25APQR Power Management IC and are facing some issues related to the LDOs.As per the datasheet, there are no NVM control registers for LDO1 and LDO4, with their default output voltages specified...

Aks by Associate II
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  • 1 replies
  • 0 kudos