Difference between revisions of "RC10KickerElectronics"

From RoboJackets Wiki
Jump to navigation Jump to search
(Schematics)
Line 1: Line 1:
 
==Schematics==
 
==Schematics==
  
===Isolation===
+
===Voltage Sense===
We will have isolated voltage feedback. The voltage will be transmitted via a SPI ADC over a digital isolator.  
+
* We will have isolated voltage feedback. The voltage will be transmitted via a SPI ADC over a digital isolator.
 +
 
 +
===Charger===
 +
* LT3750 Design from previous, with modifications to support ~9.5A peak charge current
 +
* Key parts
 +
** FET FQB34N20 FQB34N20TM_AM002CT-ND (overkill - but needed after the fire on rev 1 - 2007)
 +
** LT3750 LT3750EMS#PBF-ND
 +
** Cap below
 +
 
 +
===Trigger===
  
 
==Parts==
 
==Parts==

Revision as of 15:39, 24 May 2010

Schematics

Voltage Sense

  • We will have isolated voltage feedback. The voltage will be transmitted via a SPI ADC over a digital isolator.

Charger

  • LT3750 Design from previous, with modifications to support ~9.5A peak charge current
  • Key parts
    • FET FQB34N20 FQB34N20TM_AM002CT-ND (overkill - but needed after the fire on rev 1 - 2007)
    • LT3750 LT3750EMS#PBF-ND
    • Cap below

Trigger

Parts

Digital Isolator

Isolated DC-DC Power Supply

Capacitor

We are gonna shoot for between 4000-5000uF by using two of the following

2700uF caps

Vendor - Digikey
Vendor Part Number - P13180-ND
Manufacturer - Panasonic
Manufacturer Part Number - ECE-T2EP272EA
Cost - $12.86 quant 10
Description - 2700uF kicker capacitors
datasheet
digikey

Capacitor Charger

Based on the Linear LT3750 controller as in years past

IGBT

Vendor - Digikey
Vendor Part Number - FGA180N33ATTU-ND
Manufacturer - Fairchild
Manufacturer Part Number - FGA180N33ATTU
Cost - $3.39
digikey
Fairchild FGA180N33ATDTU link

Solenoid

See the Solenoid Development page for more information. For logistics reasons, we may purchase a solenoid as we did last year and take it apart for use in our mounting apparatus.