Sports Telemetry Device Reliability Calculations
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Sports Telemetry Device Reliability Calculations ECE 477 – Team 5
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ECE 477 – Team 5 . Sports Telemetry Device Reliability Calculations. C1 = .07 Only 2 inputs, 1 output but still modestly complex πT = .24 Digital MOS, assuming at 45C C2 = .0016 5 pins πE = 2 Ground fixed assumed πQ = 10 Commercial part πL = 1 Out since 2007 - PowerPoint PPT Presentation
Transcript of Sports Telemetry Device Reliability Calculations
Sports Telemetry Device Reliability Calculations
ECE 477 – Team 5
TPS62203 – TI 3.3v RegulatorC1 = .07Only 2 inputs, 1 output but stillmodestly complex πT = .24Digital MOS, assuming at 45CC2 = .00165 pinsπE = 2Ground fixed assumedπQ = 10Commercial partπL = 1Out since 2007
λp = .22 fails / 10^6 hours
1/ λp = 4545454.5 hours to failure
MT29F16G08QAAWC - NAND FlashC1 = .14Very complex dieπT = .24Digital MOS, assuming at 45CC2 = .02548 pinsπE = 2Ground fixed assumedπQ = 10Commercial partπL = 1.8Out since Jan, 2012
λp = .696 fails / 10^6 hours
1/ λp = 1436781 hours to failure **16GB Micron Flash has a minof 7,992 blocks functional and a max of 8,192 when shipped
Union Battery 063450 - 1000mAhCapacitor, Electrolytic, Aluminum
λb = .012 Base Failure Rate: assumed to be around 40CπCV = 1 Capacitance Factor: assumed to be 400uFπE = 2 Environmental Factor: Ground fixed assumedπQ = 10 Quality Factor: Commercial part
λp = λb * πCV * πE * πQ = .24 fails / 10^6 hours1/ λp = 4166666.7 hours to failure
Union Battery 063450 - 1000mAh
