Name
OBPP BOARD
1
ATMega16A‐PU
2
FJB102
3
ADuM2250
4
TLC2254
5
6N135
6
MCP9700
7
PWR163
8
LM2936
9
AD22105
10
PCB Fab (WCA)
11
219‐4MST
HLMP‐1719
HLMP‐1700‐B002
HLMP‐1790‐A0002
CRCW0805100KFKEA
CRCW080510KFKEA
CRCW080522K1FKEA
CRCW0805150RFKEA
CRCW0805510RFKEA
LMK212BJ106KG‐T
LMK212SD104KG‐T
D2510‐6002‐AR
PM103FBALST
Description
Quantity
ATMega16 (DIP 40)
Power BJT
I2C Isolator
Rail to Rail OpAmp (4)
Opto‐Isolator
Temp. Sensor
Power Resistor (SMS)
Voltage Regulators
Redundant Temp System
Price (unit)
Price (total)
Vendor
Vendor #
Digikey
Digikey
Digikey
Digikey
Digikey
Digikey
Digikey
Digikey
Digikey
ATMEGA16A‐PU‐ND
FJB102TMCT‐ND
ADUM2250ARWZ‐ND
296‐1300‐5‐ND
160‐1786‐1‐ND
MCP9700T‐E/TTCT‐ND
PWR163S‐25‐1R50F‐ND
LM2936DT‐5.0‐ND
AD22105ARZ‐ND
Digikey
CT2194MST‐ND
0.56 Digikey
3.1 Digikey
0.62 Digikey
516‐1309‐ND
516‐1791‐ND
516‐1792‐1‐ND
1.78
0.89
0.89
0.89
0.89
541‐100KCCT‐ND
541‐10KCCT‐ND
541‐22.1KCCT‐ND
541‐150CCT‐ND
541‐510CCT‐ND
4‐input DIP switch
1
4
1
1
4
4
4
2
1
1
1
4.75
1.06
6
2.51
1.44
0.29
2.64
2.39
2.99
66
0.73
LEDs
LED‐Yellow
LED‐Red
LED‐Green
1
5
1
0.56
0.62
0.62
RESISTORS
1/8W 0805 100k 1/8W 0805 10k 1/8W 0805 22.1k 1/8W 0805 150
1/8W 0805 510
20
10
10
10
10
0.089
0.089
0.089
0.089
0.089
CAPACITORS
10 uF 0805
0.1 uF 0805
3
10
0.35
0.45
1.05 Digikey
4.5 Digikey
g y
587‐1300‐1‐ND
587‐1134‐1‐ND
1
1
0.94
3.26
0.94 Digikey
3.26 CW Distr.
128.85
MHR10S‐ND
PM103FBALST
per board:
Signal Connector
Power Connector
SUBTOTAL:
4.75
4.24
6
2.51
5.76
1.16
10.56
4.78
2.99
66
0.73
ESS BOM
Part number
CFA533-YYH-KC
PIC18F4525
ADUM2250
LM2901
HXS 20‐NP
M57184N‐715B
LM2936
555‐1058‐ND
6N135
SN75240P
BS170
tca9554a
adum2250
Caps and Resistors
Description
LCD Panel/ Keypad
LCD Cable
Microntroller
Opto
Comparator
LED
Current Sensor
Voltage Regulator
Voltage Regulator
Voltage Regulator
PCB
Optoisolator
EDS Protection
Mosfet
I/O Expander
I2C Isolator
Price
$54.84
$5.00
$5.60
$6.00
$1.20
$0.50
$14.00
$7.81
$1.93
$12.10
$66.00
$0.73
$1.15
$0.23
$2.84
$6.00
$15.00
TOTAL BOARD CONSTRUCTION COST:
ESS Hardware
Estimated Wiring Cost
Quantity
1
1
1
2
1
6
1
1
1
1
1
1
1
1
1`
1
1
Subtotal
$54.84
$5.00
$5.60
$12.00
$1.20
$3.00
$14.00
$7.81
$1.93
$12.10
$66.00
$0.73
$1.15
$0.23
$2.84
$6.00
$15.00
SUB‐TOTAL:
$209.43
$338.28
104.3
Digikey
Digikey
Digikey
Digikey
Digikey
Battery Hardware
Aluminum
Copper
Stainless Steel
Tap Set
1/2" x 6' Rod Hex
1/2" x 3' Rod Hex
sheet, 2" x 10'
Special sizing
1
1
1
1
25.42
74.29
25.54
73.74
25.42
74.29
25.54
73.74
CHART BREAKDOWNS
ESS
OBPP
Wiring
Hardware
Remaining Budget:
TOTAL:
BUDGET PADDING
We can purchase 14 extra OBPPs
PADDED BUDGET BREAKDOWN
ESS
OBPP (scaled)
Wiring
Hardware
Remaining Budget:
418.86
257.7
208.6
198.99
1915.85
1084.15
14.86883974
418.86
2061.6
208.6
198.99
$111.95
$2,888.05
All values given here are scaled assuming
1 total prototype failure (enough for two of everything)
ESS
OBPP
Wiring
Hardware
Remaining Budget:
ESS
OBPP (scaled)
Wiring
Hardware
Remaining Budget: