Power management

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

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[STWLC38] Operating Frequency and ASK modulation cycle

Hello,I'm developing a Qi compliant product (Not getting Qi.) using STWLC38JRM.Please respond on Operating Frequency and ASK modulation cycle to get back to the testing agency.[Operating Frequency]Qi standard defines the operating frequency from 110 ...

Ryoma by Associate III
  • 406 Views
  • 3 replies
  • 2 kudos

Resolved! 555 timer _ ASIL B requirement

Hello Team   I have a general query.    Do we have any 555 timer with ASIL-B or ISO26262 compliant.    I am interested in discrete level solution rather going with MCU and my aim is to have redundant control/ feedback/LIMP HOME mode embedded in the 5...

Resolved! Marking Code on L78L15ACUTR - meaning of last 3 digits?

Hello,Our customer has inquired about the meaning of the last three-digit code in the marking on the L78L15ACUTR.For example, some parts are marked with "8L218" or "8L243" on the top surface.Could you kindly explain what "218" and "243" stands for?Th...

STI by Associate II
  • 160 Views
  • 1 replies
  • 1 kudos

Resolved! Unable to Find MOSFET

Hi, dear. Could you please help me find the datasheet for the MOSFET with part code GF329MB, as well as other compatible MOSFETs with similar specifications?   Thank you in advance for your help! Hi, dear. Could you please help me find the datasheet ...

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manmohan by Associate
  • 187 Views
  • 1 replies
  • 0 kudos

L9780 Supporting Firmware

Hello,Does anyone have any firmware for interfacing with the L9780 wideband controller. I am planning on using a LSU 4.9 but any sensor configuration would be useful.Any information is appreciated. Thanks,

Requesting Spice Model for L9338

Hello I’m currently working on a design that uses the L9338 Quad Low-Side Driver and would like to perform circuit simulations in LT spice (or any compatible simulator). Could you please provide the SPICE model for the L9338?If it’s not available pub...

Anusree by Associate
  • 185 Views
  • 1 replies
  • 0 kudos

Resolved! STUSB4500 Variable Voltage

Hello,  Is there a way to set up the Sink PDO to take in a variable voltage? I would like to set up PDO2 5-20V 3AmpsPDO3 5-20V 5Amps  My plan is to use the Power Ok GPIOs to determine how much current I have and do some down stream current limiting. ...

mreilly by Associate
  • 264 Views
  • 1 replies
  • 0 kudos

SRK1000 usability test remarks

Last week, I have been testing SRK1000A in EVLSRK1000A-PF, in an application with 250 kHz fixed frequency flyback PWM with primary side control.1. I struggled around the gate no longer driven in CCM-mode, and even in DCM upon more than moderate load....

RMari by Associate II
  • 150 Views
  • 0 replies
  • 0 kudos

Resolved! VN9E30F: SPI Error & Fail Safe mode isnot getting clear.

Hello,I am trying to send first command from the MCU (s32k312 -NXP).I am able to send but I am getting SPI response likeAnd afterwards, no matter which SPI commands send, it always sends same response from the chip i.e. 0x610000As per the Datasheet, ...

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