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Power System 9-36V -12V -5V -3.3V -2.5V -1.8V -1.2V Vin Distribution.

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Presentation on theme: "Power System 9-36V -12V -5V -3.3V -2.5V -1.8V -1.2V Vin Distribution."— Presentation transcript:

1 Power System 9-36V -12V -5V -3.3V -2.5V -1.8V -1.2V Vin Distribution

2 Power Requirements of Devices Voltage Line (Volts) DSP (Amps) FPGA (Amps) SATA (Amps) DDR2 (Amps) INS (Amps) Cameras (Amps) SPI (Amps) Total Current/Voltage (Amps) 12004.50000 50.504.500.42005.42 3.300.54.50000.1045.104 2.50TBD00000 1.80100.27600.7101.986 1.201000001 Total Current/Device (Amps)0.52.513.50.2760.420.710.104 18.01 MAX POWER= 102.78W

3 Chip Selection Process Buck Converter Selection WeightLTM4612LT3500LTC1624LTC1876L4964LM34910SDBD9702TPM6681ATRTLE6389GVLT3433 Vin55555555555 Vout53555135423 Iout45334514440 Op Temp35544244455 #Outputs14545454544 Price10443455555 Type33355333355 Complexity45342433344 Total 108107113109898710810410695

4 Chip Selection Process (cont.) Monitor Selection WeightLTC2938LTC2930LTC2932MB3771Max16063 Vsupply555524 Applications355534 Op Temp345545 Price144453 RESET353555 Options353333 Total 8677836074

5 Power Flow Diagram

6 Power Block Diagram

7 Power Schematic -Single Regulator -Vout = 1.19*(1 + R2/R1)

8 Simulation Results

9 Analysis

10 Risk Assessment

11 Hard Drive Selection Process WeightToshiba SSDMicron SSDSamsung SSD Max Seq. Rd5120250200 Max Seq. Wr570100160 SSD Type3444 Total 1396217621812


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