Discuss power management solutions. Ask questions and find answers on voltage configurations, short circuit protection, and programming.
Hello STM Community,I am attempting to interface a L9958SBTR h-bridge module with a STM32F031K6 MCU. The h-bridge module claims to support 3.3v logic levels, however the VDDIO pin which determines the logic level of the SPI SO (serial data out) pin i...
How can I know the production life cycle of L9502E and L9396?Can this time reach five years?Thank you!
Hey all,I'm trying to locate the datasheet of the following device:I think that it is a Zener, but I am not 100% sure.I've done the usual "Google" for the text, but I can't seem to find it.Thanks.
I have a project about using NFC to collect sensor information without power supply, but the current EH output energy cannot be directly connected to the nucleo voltage pin of STM32L476RG, so can I refer to the design of STEVAL-SMARTAG1, adopt the de...
Hello, I need to replace a ST timekeeper model number M48T58Y-70PC1They are on an extended back order. They have another battery model number 511-M48T58Y-70MH1F available, however the packaging is different. Are there adaptors available where I wou...
Dear experts,I am looking for a solution for PD3.1 adpater. below are my questions.which topology is suitable for PD3.1 adapter, ACF or AHB Flyback? could you please explain why?why the power below 65W, the topology is usually use ACF rather than AHB...
At present, I have contacted the project about NFC power supply, but there has been no progress. The energy output through the EH pin of ST25DV has not successfully powered L4(MCU). Currently we know that SL-CNWLC05801V1 uses STM8, can its MCU be pow...
The above waveform attached shows input sinewave which is stepped down using transformer and I am using voltage based zero cross detection for firing Triac. Above waveform shows TRIAC is fired at almost 10% of Positive and Negative Half cycle. I w...
hello I have gone through the datasheet of ISO808. In the datasheet ILim is 0.7A but for Channel Output Current (continuous) it is mentioned as internally limited. could you please give data for that or Is there any formula to calculate per channel...
Hello,Not sure that the product I'm looking for exist. It should behave like LED driver but after looked through different LED I didn't find a product that meet my requirements:can drive 1 ... 15 LEDs connected in serieshave a possibility to change c...
