User Manual Product Specifications List Product Level Capabilities (Requirements) Standard Requirements Performance Requirements Environmental incl Temperature, Humidity, etc Mechanical Dimensions, Mass, Shock, etc Control Inputs Outputs including Displays Interfaces including precise definition of connectors, signals Complete Description of Operating Modes Button or Menu Sequences for Clarity
User Manual Safety and Regulatory Certifications User Warnings UL Safety Standards IEC and CISPR EMC Standards User Warnings Limitations of Product by Demographics, Geographics Cautions and Warnings Compatibilities or Incompatibilities Specific Label Applications or Misapplications Safety Rules
User Manual Operation …..How do you use the product? Step Method (used for simple products) Step 1, Step 2, …. etc Menu Method Show how to move to any given mode When in mode, show all user screens or displays Show/Describe all Possible User Inputs Describe all Possible Outputs/Displays user may see
User Manual Maintenance Specified for a period of calander time, operational time or number cyclic operations Describes what is to be calibrated, checked, replaced, etc Test Procedures, Calibration Procedures, Replacement Procedures Typical Replacements Include Batteries Sensors Filters Mechanical Wearout Components such as drive belts, pulleys, etc Manual Section should show pictoral and textual replacment steps Manual should indicate who should perform the maintenance (authorization, training level, etc) Relationship to product warranty
User Manual Service Specified for repairs above and beyond normal maintenance Service Strategies Include (Select 1 or more) Field Repair by User Requires service manual and replacement part depictions Requires a concise list of replacement parts and procurement Specialized Service Center Requires specific replacement parts list Specific testing equipment and skills Factory Repair or Replacement Still Requires replacement parts list documentation Requires repair process chart (mimics mfg test processes) Assembly/Dissassembly Default-Disposal Requires disposal strategy, No repair strategy Must identify specific disposal procedures for ALL batteries
User Manual Warranty Specified for a period of time or number of operations Must specify how to exercise the warranty Teams should show (in ppt slide) relationship between warranty period and reliability calculations Reliability analysis yields MTBF MTBF under simplified conditions indicates when ~63% of population has failed In genral, Warranty Period << MTBF
User Manual Other Sections/Elements Digital Pictures Ideal for Describing User Controls Assembly/Dissassembly, Exploded Views Correct operational waveforms Common Troubleshooting Problem/Symptom Cause Corrective Action
Sustainability Aspects: Obsolescence Standardized Industry Life Cycle Definition Standardized Statistical Prediction Tool Component Life Parameters, u, s For any given part you must consider; Part Type and Functionality Manufacturer(s) and number of sources Part Technology and Process Part Package
Sustainability 6 Std Component Life Cycle Phases = Mean (Max) Sales of Unit Components per Unit Time s = One Standard Deviation in Sales/Time
Life Cycle of a Component Special Histogram of Production as Measure by Component Sales/Time (# shipped/time) Concept Assumes Component Sales follow monotonically increasing to peak, then monotonically decreasing to obsolesence Life Cycle is Measured Relative to Peak of Sales +/- 1s from Peak = Mature Product -1s to –2s from Peak = Growth Product -2s to –3s from Peak = Introductory Product +1s to +2s from Peak = Declining Product +2s to +3s from Peak = Phase Out Product +3s and higher from Peak = Obsolete Product Limitations of Product by Demographics, Geographics Cautions and Warnings Compatibilities or Incompatibilities Specific Label Applications or Misapplications Safety Rules
Sustainability Life Cycle of Common Analog IC’s
Sustainability Life Cycles of IC Processes
Sustainability Life Cycles of IC Process Voltages
Sustainability Life Cycle Phases of IC Packages
Sustainability Aspects: Obsolescence For each IC in your BOM, perform an analysis Separately Consider the 4 Major Aspects Type (only for analog IC’s) Process Package Voltage For each Aspect, Find u+(2.5)s, u+(3.5)s dates Use u, s in years +2s to +3s from Peak = Phase Out Product +3s and higher from Peak = Obsolete Product Find worst case values (earliest of the four categories) Create a separate IC BOM table of obsolescence analysis with above data ID all parts above the 2.5s, Separately ID all above 3.5s
Obsolescence Table Example Sample calculations for a few suspect IC’s (Present Date p = 2000.8) In this case, the present date was subtracted from the window points and any negative value means there is a potential issue
Sustainability Aspects: Appendix Assume Microcontroller is Special Consumer For Digital and other IC’s don’t use Type attributes