SLVAEM2A January   2020  – March 2021 TPS3700-Q1

 

  1.   Trademarks
  2. 1Overview
  3. 2Functional Safety Failure In Time (FIT) Rates
    1. 2.1 DDC Package
    2. 2.2 DSE Package
  4. 3Failure Mode Distribution (FMD)
  5. 4Pin Failure Mode Analysis (Pin FMA)
    1. 4.1 DDC Package
    2. 4.2 DSE Package

3 Failure Mode Distribution (FMD)

The failure mode distribution estimation for TPS3700-Q1 in Table 3-1 comes from the combination of common failure modes listed in standards such as IEC 61508 and ISO 26262, the ratio of sub-circuit function size and complexity and from best engineering judgment.

The failure modes listed in this section reflect random failure events and do not include failures due to misuse or overstress.

Table 3-1 Die Failure Modes and Distribution
Die Failure ModesFailure Mode Distribution (%)
Output HiZ30%
Output stuck low30%
Output operating outside of specification40%