Power management

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

cancel
Showing results for 
Search instead for 
Did you mean: 

Forum Posts

Resolved! VNF1048 eFuse: protection against motor back-emf

在实际的汽车电子电路中,我们遇到一个问题,用efuse (VNF1048)去驱动电机,电机端会存在反向电动势,VNF1048驱动的外部的单NMOS无法做到防反功能,我们在实际电路上增加了一个NMOS,可以达到防反的目的(在efuse关闭外面NMOS时),想请教这样做有什么风险,在贵司规格书中未提及此种应用方案。 电路如如下: Google translation: In practical automotive electronic circuits, we encountered a prob...

ScreenShot_2026-05-26_190244_736.png
neo_liu by Visitor
  • 53 Views
  • 2 replies
  • 1 kudos

MOSFET failure & protection

A P-channel MOSFET is currently used for switching the solenoid.Case 1:Is it possible for the MOSFET to fail?Case 2:If the MOSFET fails, will it become an open circuit or a short circuit?Case 3:If the MOSFET fails in short-circuit condition, how can ...

Resolved! STPD01 and its I2C addresses

Hi all,Hoping this is this right subsection to post the following question...I'm reading the STPD01 datasheet and it states its available I2C addresses : 4, 5, 6, and 7.Reading to general I2C documentation, it seems that these addresses are reserved ...

fabr by Associate II
  • 289 Views
  • 6 replies
  • 1 kudos

KF50BD-TR wrong pin 1 marker?

KF50BD-TR The goods have a pin indicator,but it is not shown in the datasheet .Please check attached photos.Is the product with pin indicator original?  

KF50BD-TR.png KF50BD-TR datasheet.png
DD2026 by Associate
  • 101 Views
  • 3 replies
  • 1 kudos

Resolved! STM6905 RST output

The STM6905 datasheet says in Table 2 that there is an internal 10k pull-up on RST#, which seems wrong since that's an open-drain output. Then in Section 2.6 and in Section 3 it says that an external pull-up to VCC should be used.

LED2000PUR Application circuit

I am working on a LED driver design using the LED2000PUR and would like your expert review before I proceed further. Please find my schematic and design details in the attached PDF. Could anyone please confirm whether the design and component values ...

iyer_22 by Associate
  • 38 Views
  • 1 replies
  • 0 kudos

Resolved! KF50BD-TR pin 1 marker?

What does the appearance of KF50BD-TR look like ? Does it have pin 1 marker?Can you provide the relevant drawings?

DD2026 by Associate
  • 107 Views
  • 1 replies
  • 0 kudos