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

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Presentation transcript:

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

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) TBD Total Current/Device (Amps) MAX POWER= W

Chip Selection Process Buck Converter Selection WeightLTM4612LT3500LTC1624LTC1876L4964LM34910SDBD9702TPM6681ATRTLE6389GVLT3433 Vin Vout Iout Op Temp #Outputs Price Type Complexity Total

Chip Selection Process (cont.) Monitor Selection WeightLTC2938LTC2930LTC2932MB3771Max16063 Vsupply Applications Op Temp Price RESET Options Total

Power Flow Diagram

Power Block Diagram

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

Simulation Results

Analysis

Risk Assessment

Hard Drive Selection Process WeightToshiba SSDMicron SSDSamsung SSD Max Seq. Rd Max Seq. Wr SSD Type3444 Total