Difference between revisions of "RC10KickerElectronics"

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−
==Schematics==
+
==Systems==
  
−
===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.
 +
====ADC====
 +
: Vendor - Digikey
 +
: Vendor Part Number - MCP3001T-I/SNCT-ND
 +
: Manufacturer - Microchip
 +
: Manufacturer Part Number - MCP3001
 +
: Cost - $1.96
 +
: [http://ww1.microchip.com/downloads/en/DeviceDoc/21293C.pdf datasheet]
 +
: [http://search.digikey.com/scripts/DkSearch/dksus.dll?Detail&name=MCP3001T-I/SNCT-ND digikey]
  
−
==Parts==
+
===Charger===
 +
LT3750 Design from previous, with modifications to support ~9.5A peak charge current
  
−
===Digital Isolator===
+
====FET====
 +
FET FQB34N20 overkill - but needed after the fire on rev 1 - 2007
 +
: Vendor - Digikey
 +
: Vendor Part Number - FQB34N20TM_AM002CT-ND
 +
: Manufacturer - Fairchild
 +
: Manufacturer Part Number - FQB34N20TM_AM002
 +
: Cost - $2.47
 +
: [http://www.fairchildsemi.com/ds/FQ/FQB34N20.pdf datasheet]
 +
: [http://search.digikey.com/scripts/DkSearch/dksus.dll?Detail&name=FQB34N20TM_AM002CT-ND digikey]
 +
: [http://www.research-service.com/ custom papers]
  
−
===Isolated DC-DC Power Supply===
+
====LT3750====
 
: Vendor - Digikey
 
: Vendor - Digikey
−
: Vendor Part Number - 811-2109-5-ND
+
: Vendor Part Number - LT3750EMS#PBF-ND
−
: Manufacturer - muRata
+
: Manufacturer - Linear
−
: Manufacturer Part Number - NCS6S1205C
+
: Manufacturer Part Number - LT3750
−
: Cost - $21.45 quant 5
+
: Cost - $7.00
−
: Description - 5V 1.2A isolated DC/DC converter
+
: [http://cds.linear.com/docs/Datasheet/3750fa.pdf datasheet]
−
: [http://search.digikey.com/scripts/DkSearch/dksus.dll?Detail&name=811-2109-5-ND digikey]
+
: [http://search.digikey.com/scripts/DkSearch/dksus.dll?Detail&name=LT3750EMS%23PBF-ND digikey]
−
: [http://www.murata-ps.com/data/power/ncl/kdc_ncs6.pdf datasheet]
 
  
−
===Capacitor===
+
====Transformer====
 +
: Vendor - Coilcraft
 +
: Vendor Part Number - DA2034-ALB
 +
: Manufacturer - Coilcraft
 +
: Manufacturer Part Number - DA2034-ALB
 +
: Cost - $5.29
 +
: [http://www.coilcraft.com/pdf_viewer/showpdf.cfm?f=pdf_store:da2032.pdf datasheet]
 +
: [http://www.coilcraft.com/da2032.cfm coilcraft]
  
−
====2200uF caps====
+
====Caps====
 
We are gonna shoot for between 4000-5000uF by using '''two''' of the following
 
We are gonna shoot for between 4000-5000uF by using '''two''' of the following
−
: Vendor - Digikey
 
−
: Vendor Part Number - P13835-ND
 
−
: Manufacturer - Panasonic
 
−
: Manufacturer Part Number - EET-UQ2E222LA
 
−
: Cost - $7.236 quant 10
 
−
: Description - 2200uF kicker capacitors
 
−
: [http://search.digikey.com/scripts/DkSearch/dksus.dll?Detail&name=P13835-ND EET-UQ2E222LA]
 
−
: [http://www.panasonic.com/industrial/components/pdf/EE127_UQ_TS_DNE.pdf datasheet]
 
−
 
−
====2700uF caps====
 
 
: Vendor - Digikey
 
: Vendor - Digikey
 
: Vendor Part Number - P13180-ND
 
: Vendor Part Number - P13180-ND
Line 41: Line 55:
 
: [http://search.digikey.com/scripts/DkSearch/dksus.dll?Detail&name=P13180-ND digikey]
 
: [http://search.digikey.com/scripts/DkSearch/dksus.dll?Detail&name=P13180-ND digikey]
  
−
===Capacitor Charger===
+
===Trigger===
−
Kicker electronics will be similar to previous years
+
The trigger system discharges the stored energy in the caps to either the chipper or kicker
  
−
===IGBT===
+
====IGBT====
 +
Rated 330V 180A. One for kicker, one for chipper
 
: Vendor - Digikey
 
: Vendor - Digikey
 
: Vendor Part Number - FGA180N33ATTU-ND
 
: Vendor Part Number - FGA180N33ATTU-ND
Line 53: Line 68:
 
: [http://www.fairchildsemi.com/pf/FG/FGA180N33ATD.html Fairchild FGA180N33ATDTU link]
 
: [http://www.fairchildsemi.com/pf/FG/FGA180N33ATD.html Fairchild FGA180N33ATDTU link]
  
−
==Solenoid==
+
====IGBT Driver====
 +
Non-inverting MOSFET 1.5A Drivers
 +
: Vendor - Digikey
 +
: Vendor Part Number - TC4427ACOA-ND
 +
: Manufacturer - Microchip
 +
: Manufacturer Part Number - TC4427
 +
: Cost - $1.01
 +
: [http://search.digikey.com/scripts/DkSearch/dksus.dll?Detail&name=TC4427ACOA-ND digikey]
 +
: [http://ww1.microchip.com/downloads/en/DeviceDoc/21423F.pdf datasheet]
 +
 
 +
====4.7uF Ceramic Bypass Cap====
 +
: Vendor - Digikey
 +
: Vendor Part Number - 399-5507-1-ND
 +
: Manufacturer - Kemet
 +
: Manufacturer Part Number - C1206C475K5PACTU
 +
: Cost - $0.68
 +
: [http://search.digikey.com/scripts/DkSearch/dksus.dll?Detail&name=399-5507-1-ND digikey]
 +
: [http://www.kemet.com/kemet/web/homepage/kechome.nsf/vapubfiles/F3102_X5R.pdf/$file/F3102_X5R.pdf datasheet]
 +
 
 +
====Tantalum Bypass Cap====
 +
: Vendor - Digikey
 +
: Vendor Part Number - 478-2359-1-ND
 +
: Manufacturer - AVX
 +
: Manufacturer Part Number - TAJC476K020RNJ
 +
: Cost - $1.98
 +
: [http://search.digikey.com/scripts/DkSearch/dksus.dll?Detail&name=478-2359-1-ND digikey]
 +
: [http://www.avx.com/docs/Catalogs/taj.pdf datasheet]
 +
 
 +
====Flyback Diode====
 +
: Vendor - Digikey
 +
: Vendor Part Number - 6A6DICT-ND
 +
: Manufacturer - Diodes Inc
 +
: Manufacturer Part Number - 6A6-T
 +
: Cost - $0.52
 +
: [http://search.digikey.com/scripts/DkSearch/dksus.dll?Detail&name=6A6DICT-ND digikey]
 +
: [http://www.diodes.com/datasheets/ds28009.pdf datasheet]
 +
 
 +
===Current Limit===
 +
To try to save our silicon, we have decided to try to limit the current using a sense resistor, a comparator, and some logic.
 +
 
 +
====Current Sense Resistor====
 +
: Vendor - Digikey
 +
: Vendor Part Number - FCSL90R010FERCT-ND
 +
: Manufacturer - Ohmite
 +
: Manufacturer Part Number - FCSL90R010FER
 +
: Cost - $1.20
 +
: [http://search.digikey.com/scripts/DkSearch/dksus.dll?Detail&name=FCSL90R010FERCT-ND digikey]
 +
: [http://www.ohmite.com/catalog/pdf/fcsl.pdf datasheet]
 +
 
 +
====Comparator====
 +
: Vendor - Digikey
 +
: Vendor Part Number - MCP6541RT-E/OTCT-ND
 +
: Manufacturer - Microchip
 +
: Manufacturer Part Number - MCP6541R
 +
: Cost - $0.43
 +
: [http://search.digikey.com/scripts/DkSearch/dksus.dll?Detail&name=MCP6541RT-E/OTCT-ND digikey]
 +
: [http://ww1.microchip.com/downloads/en/DeviceDoc/21696f.pdf datasheet]
 +
 
 +
===Isolation===
 +
We need to isolate the voltage sense, and the kick signals. This gives
 +
 
 +
* Sense (SPI)
 +
** CLK - IN
 +
** CS - IN
 +
** Dout - OUT
 +
* Trigger
 +
** Chip - IN
 +
** Kick - IN
 +
 
 +
So we need 4/1 in/out isolation
 +
 
 +
====Isolator====
 +
: Vendor - Mouser
 +
: Vendor Part Number - 634-SI8451AA-A-IS1
 +
: Manufacturer - Si Labs
 +
: Manufacturer Part Number - SI8451AA-A-IS1 
 +
: Cost - $2.43
 +
: [http://www.mouser.com/ProductDetail/Silicon-Labs/SI8451AA-A-IS1/?qs=sGAEpiMZZMssyD0wnx/ymAX%252benCYBeiQHqVgI%252biUWPQ= mouser]
 +
: [http://www.silabs.com/Support%20Documents/TechnicalDocs/Si845x.pdf datasheet]
 +
 
 +
===Power Supply===
 +
 
 +
The DC/DC converter needs to power the
 +
* ADC - 5V 500uA
 +
* Isolation - 5V 6mA
 +
* Comparator - 5V 5mA (ballpark)
 +
* Comparator Logic - 5V 5mA (7400 series logic, probably almost nothing)
 +
* IGBT driver - 12V 10mA (be sure to bypass Vbat with 4.7uF ceramic, 47uF tantalum)
 +
 
 +
So lets shoot for around 5V 50mA LDO and around 12V 100mA DC/DC converter
 +
 
 +
====Isolated DC/DC Converter====
 +
: Vendor - Digikey
 +
: Vendor Part Number - 445-2473-ND
 +
: Manufacturer - TDK-Lambda
 +
: Manufacturer Part Number - CC3-1212SF-E
 +
: Cost - $11.37
 +
: [http://search.digikey.com/scripts/DkSearch/dksus.dll?lang=en&site=US&WT.z_homepage_link=hp_go_button&KeyWords=CC3-1212SF-E&x=0&y=0&stock=1 digikey]
 +
: [http://us.tdk-lambda.com/lp/ftp/appnotes/cc-e_datasheet.pdf datasheet]
 +
 
 +
====5V 50mA LDO====
 +
: Vendor - Digikey
 +
: Vendor Part Number -
 +
: Manufacturer -
 +
: Manufacturer Part Number -
 +
: Cost -
 +
: [ digikey]
 +
: [ datasheet]
 +
 
 +
 
 +
====10A Fuse====
 +
: Vendor - Digikey
 +
: Vendor Part Number - F2973CT-ND
 +
: Manufacturer - Littlefuse
 +
: Manufacturer Part Number - 0157010.DR
 +
: Cost - $2.80
 +
: [http://search.digikey.com/scripts/DkSearch/dksus.dll?Detail&name=F2973CT-ND digikey]
 +
: [http://www.littelfuse.com/data/en/Data_Sheets/Littelfuse_Fuse_157.pdf datasheet]
 +
 
 +
==Solenoids==
 
See the [[SolenoidDevelopment| 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.
 
See the [[SolenoidDevelopment| 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.
  
−
* Candidate winding: 22AWG from http://www.solenoidcity.com/solenoid/tubular/s-20-125hp1.htm
+
===Kicker Solenoid===
 +
: Vendor - Solenoid City
 +
: Vendor Part Number - S-20-125H in 19AWG
 +
: Manufacturer - Solenoid City
 +
: Manufacturer Part Number - S-20-125H in 19AWG
 +
: Cost - $48.01
 +
: [http://www.electromechanicsonline.com/products/SOTUH032051.asp order link]
 +
: [http://www.solenoidcity.com/solenoid/tubular/s-20-125hp1.htm datasheet]
 +
 
 +
===Chipper Solenoid===
 +
: Vendor - Solenoid City
 +
: Vendor Part Number - S-20-90 in 24AWG
 +
: Manufacturer - Solenoid City
 +
: Manufacturer Part Number - S-20-90 in 24AWG
 +
: Cost - $33.56
 +
: [http://www.electromechanicsonline.com/products/SOTUL023051.asp order link]
 +
: [http://www.solenoidcity.com/solenoid/tubular/s-20-90p1.htm datasheet]
 +
 
 +
[[Category: RC Electrical]]
 +
 
 +
[[Category: 2009-2010]]

Latest revision as of 20:02, 24 May 2020

Systems

Voltage Sense

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

ADC

Vendor - Digikey
Vendor Part Number - MCP3001T-I/SNCT-ND
Manufacturer - Microchip
Manufacturer Part Number - MCP3001
Cost - $1.96
datasheet
digikey

Charger

LT3750 Design from previous, with modifications to support ~9.5A peak charge current

FET

FET FQB34N20 overkill - but needed after the fire on rev 1 - 2007

Vendor - Digikey
Vendor Part Number - FQB34N20TM_AM002CT-ND
Manufacturer - Fairchild
Manufacturer Part Number - FQB34N20TM_AM002
Cost - $2.47
datasheet
digikey
custom papers

LT3750

Vendor - Digikey
Vendor Part Number - LT3750EMS#PBF-ND
Manufacturer - Linear
Manufacturer Part Number - LT3750
Cost - $7.00
datasheet
digikey

Transformer

Vendor - Coilcraft
Vendor Part Number - DA2034-ALB
Manufacturer - Coilcraft
Manufacturer Part Number - DA2034-ALB
Cost - $5.29
datasheet
coilcraft

Caps

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

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

Trigger

The trigger system discharges the stored energy in the caps to either the chipper or kicker

IGBT

Rated 330V 180A. One for kicker, one for chipper

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

IGBT Driver

Non-inverting MOSFET 1.5A Drivers

Vendor - Digikey
Vendor Part Number - TC4427ACOA-ND
Manufacturer - Microchip
Manufacturer Part Number - TC4427
Cost - $1.01
digikey
datasheet

4.7uF Ceramic Bypass Cap

Vendor - Digikey
Vendor Part Number - 399-5507-1-ND
Manufacturer - Kemet
Manufacturer Part Number - C1206C475K5PACTU
Cost - $0.68
digikey
datasheet

Tantalum Bypass Cap

Vendor - Digikey
Vendor Part Number - 478-2359-1-ND
Manufacturer - AVX
Manufacturer Part Number - TAJC476K020RNJ
Cost - $1.98
digikey
datasheet

Flyback Diode

Vendor - Digikey
Vendor Part Number - 6A6DICT-ND
Manufacturer - Diodes Inc
Manufacturer Part Number - 6A6-T
Cost - $0.52
digikey
datasheet

Current Limit

To try to save our silicon, we have decided to try to limit the current using a sense resistor, a comparator, and some logic.

Current Sense Resistor

Vendor - Digikey
Vendor Part Number - FCSL90R010FERCT-ND
Manufacturer - Ohmite
Manufacturer Part Number - FCSL90R010FER
Cost - $1.20
digikey
datasheet

Comparator

Vendor - Digikey
Vendor Part Number - MCP6541RT-E/OTCT-ND
Manufacturer - Microchip
Manufacturer Part Number - MCP6541R
Cost - $0.43
digikey
datasheet

Isolation

We need to isolate the voltage sense, and the kick signals. This gives

  • Sense (SPI)
    • CLK - IN
    • CS - IN
    • Dout - OUT
  • Trigger
    • Chip - IN
    • Kick - IN

So we need 4/1 in/out isolation

Isolator

Vendor - Mouser
Vendor Part Number - 634-SI8451AA-A-IS1
Manufacturer - Si Labs
Manufacturer Part Number - SI8451AA-A-IS1
Cost - $2.43
mouser
datasheet

Power Supply

The DC/DC converter needs to power the

  • ADC - 5V 500uA
  • Isolation - 5V 6mA
  • Comparator - 5V 5mA (ballpark)
  • Comparator Logic - 5V 5mA (7400 series logic, probably almost nothing)
  • IGBT driver - 12V 10mA (be sure to bypass Vbat with 4.7uF ceramic, 47uF tantalum)

So lets shoot for around 5V 50mA LDO and around 12V 100mA DC/DC converter

Isolated DC/DC Converter

Vendor - Digikey
Vendor Part Number - 445-2473-ND
Manufacturer - TDK-Lambda
Manufacturer Part Number - CC3-1212SF-E
Cost - $11.37
digikey
datasheet

5V 50mA LDO

Vendor - Digikey
Vendor Part Number -
Manufacturer -
Manufacturer Part Number -
Cost -
[ digikey]
[ datasheet]


10A Fuse

Vendor - Digikey
Vendor Part Number - F2973CT-ND
Manufacturer - Littlefuse
Manufacturer Part Number - 0157010.DR
Cost - $2.80
digikey
datasheet

Solenoids

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.

Kicker Solenoid

Vendor - Solenoid City
Vendor Part Number - S-20-125H in 19AWG
Manufacturer - Solenoid City
Manufacturer Part Number - S-20-125H in 19AWG
Cost - $48.01
order link
datasheet

Chipper Solenoid

Vendor - Solenoid City
Vendor Part Number - S-20-90 in 24AWG
Manufacturer - Solenoid City
Manufacturer Part Number - S-20-90 in 24AWG
Cost - $33.56
order link
datasheet
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