Others: hardware and software

Suffix U for M68AF127BM70B6U

We are looking for part M68AF127BM70B6 but what we receive is M68AF127BM70B6U.Already tried to check datasheets to know what does suffix U means.There is no information can be found for this particular suffix.Kindly please share what is the suffix U ...

I am trying to design a laser driver using the L7980A

I am trying to use the L7980A as a current driver for a laser diode. The laser operates with 1.65A at 8.7v. I am aware that the laser needs to carefully controlled, to avoid over-voltage killing the diode. I'm using eDesignSuite, but the design gives...

RF Immunity at LM235

I have an LM235 temperature sensor separated from the measuring device 5 meters.When an RF is induced to the LM235, it measures wrong temperatures. I have tried to minimize the problem by putting capacitors on the sensor pins but I have not obtained ...

Reballing FLI32626H, correct size and dimensions of soldering ball and temperature profile

I need to reball a FLI32626H that is clearly presenting soldering issues. One can see the chip is tilted with the naked eye. It has been reflowed twice to no avail.According to ST support, this is a legacy product, and ST no longer has technical reso...

How to send command to the NOR flash using SPI?

I'm using STM32L4A6VGx , MT25QL256 NOR Flash connected with SPI. I'm trying to read the ID but didn't get any response except 0. Here is the code I wrote: // Select Pin HAL_GPIO_WritePin(Select_GPIO_Port, Select_Pin, GPIO_PIN_SET); HAL_Delay(10); HAL...

Help in designing a 600V to 24V, 3A isolated DC-DC converter

I have designed an isolated AC-DC converter, 300 to 590V AC input (400V AC nom) to 24V, 4A output using the L6566-BH Controller in eDesignSuite. Attaching the details herewith.Any further guidance regarding the Design implementation in actual Hardwar...

I wrote a similar post in another part of the site, but honestly I don't know where. I have to replace it because it's burned, but I don't know the features, from the circuit it looks like it's a Mosfet Can someone help me?

M24C02-DRMF3 EEPROM: Package Marking

Hi ST,We are implementing an M24C02-DRMF3 EEPROM based design and wanted to confirm the correct package marking for this device including part number, die version, date code and fab facility. Although the Data Sheet includes the WFDFPN8 mechanical in...