Power management

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

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EVAL-L9963E not working

  I am testing the board with a 14s Li-ion battery, but I am unable to read the cell voltages or configure any register through the GUI. I shorted the X1 and P2 power supply inputs and supplied 12 V to both. This was the only setup in which I could g...

nicim by Associate II
  • 1417 Views
  • 1 replies
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Communication issue with L9961

can someone help me with communication of l9961 chip to get voltages of 4s cells n current n charge accumulated by using esp32 or aurdino i dont have this chip n i am not a coder i tried my best but can get any data from the chip just i2c add 0x49 n ...

rizwan99 by Associate II
  • 238 Views
  • 1 replies
  • 0 kudos

L9961 Source or example code and cell models

Hello, we are in the process of developing a BMS using an STM32 and L9961. We were wondering if there was any source or example code of a full BMS we could have access to in order to speed up our development. I am aware of the example code on the pro...

Resolved! Meaning of the 'N' letter on STM part BAT54CNFILM-H/J

Dear All, Could you please share us a technical document to show us what was the exat meaning of "N" letter of your part BAT54CNFILM-H/J ? Actually we ordered 6K pcs of your part BAT54CFILM from Digikey and its Digikey part number is 497-3786-2-ND bu...

Resolved! Triac Ripple Voltage T1250H-6I (with schematic)

HelloI am currently developing an AC switch for a heating boiler in a coffee machine.The boiler has a power rating of approx. 1200W.  To control the boiler, I have opted for a triac circuit (T1250H-6I) with an optotriac (14230634300) and ZCC. I used ...

JSper1_0-1776410749820.png JSper1_1-1776410785606.png
JSper.1 by Associate II
  • 524 Views
  • 11 replies
  • 1 kudos

Resolved! Check the code for VIPER06LN

Hi,    I bought VIPER06LN from mouser. Please help me check the COD. The Chinese custom need this information.   Thank you

LeoYe_0-1776288439015.png
LeoYe by Associate
  • 184 Views
  • 1 replies
  • 0 kudos

Resolved! Identify this component?

Hey!Does anyone recognice this part?It`s marked with C306 (ST- Sign) FRO169.It looks like a transistor or diode in SOT-229 package.Thanks!Frank

Transistor_STM_C306N.jpeg
Essi by Associate II
  • 408 Views
  • 8 replies
  • 3 kudos