SFFS052 January   2021 TPS2HB35-Q1

 

  1.   Trademarks
  2. 1Overview
  3. 2Functional Safety Failure In Time (FIT) Rates
  4. 3Failure Mode Distribution (FMD)
  5. 4Pin Failure Mode Analysis (Pin FMA)

2 Functional Safety Failure In Time (FIT) Rates

This section provides Functional Safety Failure In Time (FIT) rates for TPS2HB35-Q1 based on industry-wide used reliability standard:

  • Table 2-1 provides FIT rates based on IEC TR 62380 / ISO 26262 part 11
Table 2-1 Component Failure Rates per IEC TR 62380 / ISO 26262 Part 11
FIT IEC TR 62380 / ISO 26262 FIT (Failures Per 109 Hours)
Total Component FIT Rate 22
Die FIT Rate 12
Package FIT Rate

10

The failure rate and mission profile information in Table 2-1 comes from the Reliability data handbook IEC TR 62380 / ISO 26262 part 11:

  • Mission Profile: Motor Control from Table 11
  • Power dissipation: 750 mW
  • Climate type: World-wide Table 8 IEC TR 62380
  • Package factor (lambda 3): Table 17b IEC TR 62380
  • Substrate Material: FR4
  • EOS FIT rate assumed: 0 FIT
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