SBOA386B March   2020  – October 2023 INA180-Q1 , INA181-Q1 , INA185-Q1 , INA2180-Q1 , INA2181-Q1 , INA4180-Q1 , INA4181-Q1

 

  1.   1
  2.   Trademarks
  3. 1Overview
  4. 2Functional Safety Failure In Time (FIT) Rates
    1. 2.1 INA180-Q1, SOT-23-5 Package
    2. 2.2 INA2180-Q1, VSSOP-8 Package
    3. 2.3 INA4180-Q1, TSSOP-14 Package
    4. 2.4 INA181-Q1, SOT-23-6 Package
    5. 2.5 INA2181-Q1, VSSOP-10 Package
    6. 2.6 INA4181-Q1, TSSOP-20 Package
    7. 2.7 INA181-Q1 and INA185-Q1, DCK Package
  5. 3Failure Mode Distribution (FMD)
  6. 4Pin Failure Mode Analysis (Pin FMA)
    1. 4.1 INA180-Q1, SOT-23-5 Package (Pinout A)
    2. 4.2 INA180-Q1, SOT-23-5 Package (Pinout B)
    3. 4.3 INA2180-Q1, VSSOP-8 Package
    4. 4.4 INA4180-Q1, TSSOP-14 Package
    5. 4.5 INA181-Q1, SOT-23-6 Package
    6. 4.6 INA2181-Q1, VSSOP-10 Package
    7. 4.7 INA4181-Q1, TSSOP-20 Package
    8. 4.8 INA181-Q1 and INA185-Q1, DCK Package
  7. 5Revision History

3 Failure Mode Distribution (FMD)

The failure mode distribution estimation for INAx180-Q1, INAx181-Q1 and INA185-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 (%)
OUT open (Hi-Z)10%
OUT to GND20%
OUT to VS15%
OUT functional, not in specification50%
Pin to pin short, any two pins5%