Prices of components for EMW charger, firmware version 3.x
All prices assume order of 1 unit from respective sources and include shipping (unless specified on the right)
ORDER YOUR KITS FROM EMW (eMotorWerks.com) to save the hassle of sourcing components - in the end, you will likely pay less or the same (we save on shipping and volume discounts)
but will spend 10 hours sourcing stuff… Value your time!
Schematic
Part name Description ID Source Source part # / link Cost units total cost
PCB set EMW $ 60.00 1 $ 60.00
IGBT module 200A 600V IGBT half-bridge module Q1 ebay Many options $ 50.00 1 $ 50.00
50A-80 Bridge 600V DB Digikey 641-1381-ND $ 4.00 2 $ 8.00
100A hall sensor H2 Digikey 480-3252-ND $ 15.00 1 $ 15.00
40mA hall sensor H1 Digikey 480-3255-ND $ 17.00 2 $ 34.00
100k thermistor Digikey 495-2143-ND $ 3.00 1 $ 3.00
10000-12000uF 200V input cap (voltage
doubler Digikey 565-3306-ND $ 36.00 2 $ 72.00
2000-3000uF 350V output elcap Digikey 565-3317-ND $ 30.00 1 $ 30.00
10uF High-Freq HV caps Digikey 495-4135-ND $ 7.00 2 $ 14.00
Varistor Digikey P7276-ND $ 1.50 1 $ 1.50
output diode Digikey DSEI60-06A-ND $ 7.00 2 $ 14.00
LM211P comparator U3 Digikey 296-6617-5-ND $ 2.00 1 $ 2.00
breakers & holders - 50A AC in various $ 25.00
http://www.solar-electric.com/mnepv.html 1 $ 25.00
optional - DC breaker 100A out various $ 35.00
http://www.onlinecomponents.com/airpax---sensata_209-1-1-52-2-8-30.html?p=10049950
OR fuse (600VAC/300VDC 60A) Digikey $ 30.00 $ -
283-3193-ND or http://www.alans-sales.com/product_info.php?products_id=663
inductor ebay $ 25.00 1 $ 25.00
http://cgi.ebay.com/Falco-T23037-Power-Factor-Correction-Inductors-/190515318629?pt=LH_DefaultDomain_0&hash=item2c5b990f65#ht_1680wt_1379 or search for Power Fa
arduino pro mini 5V AtMega328 sparkfun $ 25.00
http://www.sparkfun.com/products/9218 1 $ 25.00
heatsink $ 60.00 1 $ 60.00
heatsinksusa.com http://www.heatsinkusa.com/products/10.080%22-Wide-x-10%22-Long-Heatsink.html
36A in-rush current limiter Digikey 570-1060-ND $ 2.50 2 $ 5.00
5-10k, 10W resistor for output voltage
sensing Digikey PF2203-5000-ND $ 2.90 1 $ 2.90
5V voltage reg - LM7805 Digikey LM7805ACT-ND $ 1.00 1 $ 1.00
12V voltage reg - LM-2940 Digikey LM2940CT-12-ND $ 2.50 1 $ 2.50
N2222 NPN transistors Digikey $ 0.30 4 $ 1.20
4D LCD screen 4D systems $ 40.00
http://www.4dsystems.com.au/prod.php?id=121 1 $ 40.00
0.1uF ceramic caps Digikey $ 0.15 5 $ 0.75
http://cgi.ebay.com/100-x-0-1uF-50V-Ceramic-Disc-Capacitors-4-Days-Delivery-/320655922251?pt=LH_DefaultDomain_0&hash=item4aa895144b#ht_1428wt_905
5-10uF 16V elcaps $ 0.25 4 $ 1.00
330uF 16V elcap $ 0.50 1 $ 0.50
1nF ceramic $ 0.15 1 $ 0.15
1k resistor $ 0.10 11 $ 1.10
10k $ 0.10 3 $ 0.30
82k 1-2W $ 0.30 3 $ 0.90
100k $ 0.10 1 $ 0.10
FTDI cable or Basic 5V breakout needed if you want to program the board sparkfun $ 25.00 1 $ 25.00
http://www.sparkfun.com/products/9716 or http://www.sparkfun.com/products/9718
PCB sockets male / female 0.1" pitch - 2 40-pin strips ebay $ 3.00 1 $ 3.00
http://cgi.ebay.com/ebaymotors/ws/eBayISAPI.dll?ViewItem&item=370457397236&ssPageName=STRK:MEWNX:IT
5-conductor shielded wire for current &
voltage sensors as long as needed radioshack $ 3.00 1 $ 3.00
5-conductor shielded wire for LCD as long as needed radioshack $ 3.00 1 $ 3.00
normally open control buttons radioshack $ 2.00 2 $ 4.00
any combination of 2/3/5/7-pin through-hole
connectors for 110V and 220V inputs and battery
output. Have to be rated at >300V and your
30-50A input connectors desired target current various $ 10.00 2 $ 20.00
http://cgi.ebay.com/Curtis-Terminal-Block-GFTQX-3-7-16-20A-300V-NEW-/310311957668?pt=LH_DefaultDomain_0&hash=item484008b4a4#ht_657wt_1139 or similar
Enclosure Digikey $ 60.00 1 $ 60.00
8-pin IC socket ebay $ 2.00 2 $ 4.00
For Driver board
A3120 IGBT driver isolated opto-driver U1 Digikey 751-1475-1-ND $ 2.70 1 $ 2.70
DC/DC 2W 12V->+-15V U2 Digikey 102-2096-ND $ 7.00 1 $ 7.00
10-50uF 16V el caps various $ 0.25 3 $ 0.75
10-15R 1-2W gate resistor various $ 0.50 1 $ 0.50
1k 1/8w resistor various $ 0.10 1 $ 0.10
10k 1/8w resistor various $ 0.10 1 $ 0.10
TOTAL PARTS 30 $ 569.05