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...

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willzhou by ST Employee
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  • 15 replies
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Resolved! Strange response from L6981N50DR. (L6981)

Hi, In one of my designs, I used the L6981 5.0v low-noise variant. I followed the datasheet, and this was my first time using this chip. However, I added an option that separates the AGND and PGND pins with a ferrite bead which is not present in the ...

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L9963E Eval Board GUI Error

Hi There, I want to try the L9963 development board. I downloaded the GUI but I get an error. I go to the site from the warning and upload but my problem persists. Could I be having this problem because my computer is Win10?Does anyone have a solutio...

2024-01-11 13_14_12-L9963_evaluation_GUI.png
mkarakus by Associate
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  • 1 replies
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LED2001 Smoked with set to 4A output

Dear Support,I have a design which works fine even drive it full PWM with 0.025 ohm (4A max current). we need to control the backflow current so added a diode on the power supply path.  the schematic is attached. C169 and C170 not installed. it works...

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Dsun.21 by Associate II
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Marking on LED2001

for LED2001, the marking on the chip like LED2K1xxxx118. or xxx125. how to understand the Marking under the LED2K1? Thank you,David

Dsun.21 by Associate II
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  • 1 replies
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STWLC38JRM does not output 5V at VOUT pin

Hi all,I am designing the custom wireless charging receiver using the STWLC38JRM chipCurrently, when I put the circuit on the wireless charging pad (Qi standard), I notice that the STWLC38JRM chip does not output 5V at the VOUT pin. Below is the sche...

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HiepLe by Associate II
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  • 9 replies
  • 0 kudos

Thermal resistance information ST6710

Hello,I need some information on the thermal resistance Rthja and Rthjc of the STM6710 (package SOT23-6L). Could you please send some technical information like a datasheet which we can forward to certification authority?I often miss this information...

WEmme by Associate II
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  • 2 replies
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L6482 current control parameters

Hi,I am concerning about the L6482 current control parameters that are explained in the AN4158.I assume that tSW, tON_MIN, tOFF_MIN, tOFF_FAST, tFAST_STEP reflect the relevant registers. So:1. Peak current control with auto adjusted decay: - tOFF: th...

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