SFFS422 May 2022
Revision | Date | Name | Change |
---|---|---|---|
1.2 | 2018/10/25 | Navaneeth Kumar N (TI), Anant Kamath (TI) | Version shared with TUEV SUED for feedback. Refer to “Review Protocol_Concept V1.0.docx” |
1.3 | 2021/08/04 | M. Staebler (TI) |
Changed format to according to TUEV template, added additional references, added further info on conditions of use/assumptions and STO_1 and STO_2 subsystems. Adjusted MCU signal names on schematics to reflect input or output signal w/ MCU. Added info on reinforced isolated gate driver ISO5852S, and pin-compatible ISO5452. |
1.4 | 2021/09/23 | M. Staebler (TI) | Updated conditions of use, removed the STO latching feature, added table to explain U7 load switch QOD. |
1.5 | 2021/09/29 | M. Staebler (TI) | Updated figure 3 which shows STO_1 subsystem (added second transistor Q3 for redundant VCC clamp), added reference to IEC 615008-2 table A DC fault model. Updated figure 4 to match the schematics rev E2 |
1.6. | 2021/11/11 |
M. Staebler, C. Gao (TI) |
Added STO_FB channel, updated block diagram, added description of STO-FB logic and updated system FMEA and references. Modified file name to include STO. |
1.6a | 2022/01/31 | M. Staebler (TI) | No change in content, corrected typos only. |
1.6b | 2022/05/18 | M. Staebler (TI) | Correction to FMEA STO Concept TIDA-01599 secure link |