Resolved! Is the demo board STEVAL-CCA044V1 still active or obsolete?
Hi ST Engineers: Is the audio amplifier demo board STEVAL-CCA044V1 still active for ordering, or is the board STEVAL-CCA044V1 obsolete? Best Regards Simon Peng
Others: hardware and software
Discuss hardware and software design challenges, including NOR flash storage, OTA updates, component ID, and thermal management.
Forum Posts
EDS: Unable to reach service for commercial transformer
The EDS tool has been reporting "Unable to reach service for commercial transformer" now for a few weeks whenever you work on a flyback design with a transformer in it. Could this be looked into by someone?
Resolved! STPMIC with STM32H7B3VIH6
I've designed a custom board and, I'm writing my own firmware that controls STPMIC.While writing a general-purpose driver library to enable future use in other hobby projects, I ran into a few questions.my own general-purpose driver library is: https...
Resolved! Data required for ESDLIN1524BJ virtual validation
For diode part number ESDLIN1524BJ following information is needed:1) Housing/Encapsulation material (Example HENKEL GR-646)2) CTE (Co-efficient of thermal expansion) for Housing/Encapsulation material3) Lead Frame Material (Example Alloy42)4) CTE (...
Resolved! Looking for legacy IC manufacture date codes for M27C EPROMs
Hello all. Tasked to replace an old 128Kx8 EPROM, but the folks paying the bills want me to decode the ICs manufacture date code for QA reasons. Does anyone know of any URLs? The ST first data book I found was created long before this IC existed. ...
Resolved! ECMF02-2AMX6 GND connection
Techsupport ignored my request, so I have to come here. The part is ECMF02-2AMX6. It is CM choke plus ESD surge protector for USB2. Here's the question: in the datasheet from June 2011 Doc ID 17815 Rev 2, this is the recommended layout is shown (see ...
Resolved! Identify this component ?
Hi I have a diode which i believe is a zener diode as the marking on the bottom line is zthe 3 lines are as followtop line= st and a 6 at the endmiddle line= CU6bottom line= z 721i need to know what diode it is and what voltage and current value it ...
Resolved! Schematic Request for I-NUCLEO-LRWAN1
Hello, I have a pair of these boards on my hand, there is no information regarding WM-SG-SM-42_Shield_v1.0 board its jumpers pinout etc. Could you please provide a schematic or more detailed guide whats available? I've seen on early posts some got th...
Resolved! Request for STWLC89 Firmware
@Didier HERROUIN We currently use the WLC38, but wish to use the WLC89. Our sales rep already provided us with the full datasheet and schematic. He also has samples of the STWLC89 on order for us. However, there are no more evaluation kits available....
Resolved! component identification - GB1390
Hi, can anybody identify this MOSFET please? Google and ST search engine couldn't help me. Thank you in advance, István
