Power management

what is 'H' mean in VN920B5HTR-E, no indication in datasheet

I am looking at the ST’s N-channel part VN920B5. But I notice there is VN920B5-E, VN920B5TR-E and VN920B5HTR-E. I look into the datasheet, it only shows VN920B5-E is tube, and VN920B5TR-E is tape&reel. There is no indication of what ‘H’ means for the...

X-NUCLEO-IHM03A1: link between the TVAL values of the Powerstep01 registers and the voltage across the shunt resistors ?

Hello everybody, I have a question I can't solve. I use the X-NUCLEO-IHM03A1. My question is : wath is the link between the TVAL values in the register of the Powerstep01 (see figure) and the voltage accross the shunt resistor of the board (100 m ohm...

PM8805: Which Resistors to take on CLS1 and CLS2 pins for requested Class 4

Hi, I am using the PM8805. I need Class 3 and 4 and so I used datasheet's table 7 (classification table) which says, that one resistor 36R5 is needed on CLS1 pin and a open connection is needed on CLS2 pin. There should be the result 0 on T0 output f...

I bought the STEVAL-ISA147V3. I would appreciate it if you could send me the firmware.

I bought the STEVAL-ISA147V3.The software was not included.The company I work for is Lutronic.I am a medical device developer.It will be used for product development.I would appreciate it if you could send me the firmware.*Moderation Edit: please do ...

what is ST e3 G component ?

Hi all,I need some help to know what is the reference of this component ? I can read ST e3 G FBo Z205 but it's impossible to find something like that on the net to purchase it. I need 2 of its. I'm in France if you have a resealer which is seeling th...

Parameters gets erased on STEVAL-ISB027V1 evaluation board when it is power cycled

Hi I am using STWBC GUI to download firmware into STEVAL-ISB027V1 evaluation board.But once firmware is downloaded and when we change the parameters it is getting erased on every power cycle...can anyone help me with this

LED1202 LED Driver - Is it possible to combine 2 outputs to drive a LED with a higher current than 20 mA ? Is there anything special to consider in hardware or software if it is possible ?

STEF01 - Current Limit

Hello,the current limit resistor is recommended to be not greater than 1k, which equals a current limitation of approx. 1.3A. I would like to use the STEF01 in an application that requires a current limit of 1.0A.Is it possible to further increase th...

Rotor speed

Hello~ my friends.For rotor speed calculation, I have two problems How can you convert from equa (1) to equa (2)? If you know please explain a little detail for me.For rotor speed computation, why we use 0.1 Hz of frequency? why we don't use others ...