log inhelp

 | 

  • If you are citizen of an European Union member nation, you may not use this service unless you are at least 16 years old.

  • You already know Dokkio is an AI-powered assistant to organize & manage your digital files & messages. Very soon, Dokkio will support Outlook as well as One Drive. Check it out today!

View
 

Low Voltage-CPU

Page history last edited by Noah Vawter 8 years, 2 months ago

  Complete Instruments      Instrument Bodies

   Generators    Generator Electronics  Switching Power Supply

 

 

        Synthesizers         Synthesizer Controls

 

 

          Amplifiers     Loudspeakers   Resonances        Horns

 

STM32L476 with Nucleo

 

 

Table of Contents

 

  1. Datasheet
  2. Material
  3. Eagle Files for PCB:
  4. Digikey part numbers for high current switcher:  
  5. Sneak Previews of Board and Schematic

 

In this project, we try to make a low-voltage CPU.

 

Datasheet

ATTiny43U low-voltage CPU:  http://www.atmel.com/dyn/products/product_card_mcu.asp?part_id=4523

 

 

Material

http://cgi.ebay.com/KAPTON-COPPER-CLAD-002-x12-x24-2-SIDES-5576_W0QQitemZ230434034336QQcmdZViewItemQQptZLH_DefaultDomain_0?hash=item35a6f052a0

 

 

Eagle Files for PCB:

     lil guy 04.sch     lil guy 04.brd

 

Digikey part numbers for high current switcher:  

 

L1 Inductor 15 µH, Low ESR     http://search.digikey.com/scripts/DkSearch/dksus.dll?Detail&name=DN7545CT-ND

D1 Schottky diode  10BQ015      http://search.digikey.com/scripts/DkSearch/dksus.dll?Detail&name=10BQ015PBFCT-ND

R1 Resistor  680 Ω          http://search.digikey.com/scripts/DkSearch/dksus.dll?Detail&name=RMCF1/10680JRCT-ND

C1 Input Capacitor 4.7 µF      http://search.digikey.com/scripts/DkSearch/dksus.dll?Detail&name=PCE4296CT-ND

C2 Secondary Input Cap. 100 nF      http://search.digikey.com/scripts/DkSearch/dksus.dll?Detail&name=490-1726-1-ND

C3 Output Capacitor  22 µF      http://search.digikey.com/scripts/DkSearch/dksus.dll?Detail&name=338-1803-1-ND

C4 Secondary Output Cap. 22 nF      http://search.digikey.com/scripts/DkSearch/dksus.dll?Detail&name=587-1121-1-ND

 

Sneak Previews of Board and Schematic

 

       

Comments (0)

You don't have permission to comment on this page.

Printable version