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This document contains information for the LMR54410 and LMR54406 in the SOT-23-6 package to aid in a functional safety system design. Information provided are:
Figure 1-1 shows the device functional block diagram for reference.
LMR54410 and LMR54406 were developed using a quality-managed development process, but were not developed in accordance with the IEC 61508 or ISO 26262 standards.
The failure mode distribution estimation for LMR54410 and LMR54406 in Table 2-1 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 are 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.
Die Failure Modes | Failure Mode Distribution (%) |
---|---|
SW Output | 50% |
SW output not in specification -- voltage or timing | 45% |
SW driver FET suck on | 5% |