Power/Temp Monitor and Control System (EPS/ECLSS)

h1. Budget

h3. Preliminary Budget

|_.Schematic|_.Description|_.Prototype Cost|_.Production Cost |

| C1|68uF Capacitor|$.49|$1.15 |

| C2|120uF Capacitor|$0.62|$0.62 |

| Cf1|1uF capacitor|$0.14|$1.15 |

| Cf2|1uF capacitor|$0.14|$1.15 |

| D1|1N5817 Schottky diode|$0.27|$0.19 |

| L1|100uH Inductor|$0.18|$0.09 |

| Ra1|47k Ohm .25W Resistor|$0.37|$0.03 |

| Rb1|47k Ohm .25W Resistor|$0.37|$0.03 |

| Rb2|47k Ohm .25W Resistor|$0.37|$0.03 |

| Rf1|4.7 Ohm .25W resistor|$0.37|$0.03 |

| Rf2|4.7 Ohm .25W resistor|$0.37|$0.03 |

| Rf3|4.7 Ohm .25W resistor|$0.37|$0.03 |

| Rf4|4.7 Ohm .25W resistor|$0.37|$0.03 |

| RL1|180 Ohm .5W resistor|$0.37|$0.03 |

| RL2|180 Ohm .5W resistor|$0.37|$0.03 |

| Rs1|.068 Ohm 10W resistor|$2.14|$2.14 |

| Rs2|.068 Ohm 10W resistor|$2.14|$2.14 |

| U1|LM2594M-3.3/NOPB Voltage regulator|$2.70|$2.70 |

| U2|TMP102 Temp sensor (I2C)|$5.95|$1.69 |

| U3|INA226 Current and voltage sensor|$6.33|$3.38 |

| U4|INA226 Current and voltage sensor|$6.33|$3.38 |

| |3 position jumper block|$.22|$.13 |

| |5mm barrel jack, 2.1mm center pole|$4.95|$1.12 |

| |8 position screw terminals|$2.45|$2.45 |

| |Populated Ethernet Booster Pack (MSP430 MCU)|$25.00|$25.00 |

| |EPS PC board (in qty. 10)|$0.00|$12.00 |

| |Subtotal|$58.21|$60.75 |

| |Labor|$1362.50|$135.52 |

| |*TOTAL*|*$1420.71*|*$196.27* |