Power management

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

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PCB copper thickness

Dear Support, in the data sheet of LED2001, it provided the layout reference, but it didn't mention the copper thickness. for the demo board, what is the copper thickness in oz of the PCB of.STEVAL-ILL054V1,  Thank you very much, David 

Dsun.21 by Associate II
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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 ...

mert_gulsoy_1-1721907912813.png mert_gulsoy_2-1721914440277.png

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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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...

LED2001burned1.png
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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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...

schematic.JPG scope.jpg
HiepLe by Associate II
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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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