Power management

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Resolved! STP24DP05 IC queries

Hi Team, We are using this STP24DP05 (24-bit constant current LED sink driver with output error detection) IC for a X*Y array of diodes to get high or low. The IC is interfaced with microcontroller using SDI pin of STP24DP05. We have some doubts kind...

Meghla by Associate
  • 213 Views
  • 3 replies
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ST-LED6001 24V 2A Complete reference design

Hi DearThe 90W small projector I designed now requires ST-LED6001 to drive LED, voltage 24V, current 2A. I could not find the complete design of 24V 2A on the official website, all of them are mA level. Do you have the complete reference design of 24...

Margaret by Associate II
  • 154 Views
  • 3 replies
  • 1 kudos

LED1642 SPI confusion

Hello everybody, we are trying to implement a new light with a LED1642 driver and are confused about its SPI interface. According to the startup guide a data transfer like this:Waveforms in accordance to GuideLegend: Red->CLK, Green->LE, Blue->SPI DA...

20240813-0003.png 20240813-0002.png

DRIVER LED STCMB1

Hello, I am having problems with the design of a 200W 36V LED driver.The LED driver works well up to 1A, I have tried to modify Rfmin and Rfmax to vary the frequency ranges but I cannot get it to work more than 1A.What is the solution to my problem?

AndresGG by Associate
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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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Resolved! VN5050AJ CS_DIS not working - again

As in https://community.st.com/t5/power-management/vn5050aj-cs-dis-not-working/m-p/632201#M10745 we now have added seriel diodes for every chip, but it is still not disabling his Current_Sense Output altough the CS_DIS Pin is above 3V.  The CS_DIS-1 ...

vn5050DisableCS.png
rkager by Associate II
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  • 1 replies
  • 0 kudos