SFFSAY3 January   2026 F29H850TU , F29H859TU-Q1 , TMCS1123 , TMCS1123-Q1 , TPS650362-Q1 , TPS650365-Q1

1.   1
2.   Abstract
3.   Trademarks
4. 1Introduction
   1. 1.1 Background
   2. 1.2 HW/SW FuSa Analysis Process
      1. 1.2.1 Item Definition
      2. 1.2.2 Functional Safety Goal
      3. 1.2.3 Functional Safety Concept
      4. 1.2.4 Technical Safety Concept
      5. 1.2.5 HW/SW Safety Requirement
      6. 1.2.6 Dependent‑failure Analysis
   3. 1.3 TI Collaterals
      1. 1.3.1 TI Components Category
      2. 1.3.2 FuSa Collaterals for Safety MCU
5. 2FuSa Concepts of OBC System
   1. 2.1 Item Definition
      1. 2.1.1 Item Functions
      2. 2.1.2 System Boundaries
      3. 2.1.3 External Interfaces
      4. 2.1.4 Operation Modes
   2. 2.2 Functional Safety Goal
   3. 2.3 Functional Safety Concept
   4. 2.4 Technical Safety Concept
   5. 2.5 HW/SW Safety Requirement
   6. 2.6 Dependent‑Failure Analysis
6. 3FuSa Components of OBC System
   1. 3.1 Components Overview
   2. 3.2 Microcontroller
      1. 3.2.1 CPU
      2. 3.2.2 ADC Sample
      3. 3.2.3 PWM Generation
      4. 3.2.4 CMPSS
      5. 3.2.5 Data Transmission
      6. 3.2.6 Fault Signal Monitor and Safe State Control
   3. 3.3 Power Management IC
      1. 3.3.1 MCU Monitor
      2. 3.3.2 Shutdown Sequence
      3. 3.3.3 Power Supply
   4. 3.4 System Basis Chips
      1. 3.4.1 CAN Communication
      2. 3.4.2 Supply Voltage Rail Monitoring
      3. 3.4.3 SPI/Processor Communication
      4. 3.4.4 Device Internal EEPROM
   5. 3.5 Power Supply and Supervisor
   6. 3.6 Gate Driver
   7. 3.7 Voltage Sensor
   8. 3.8 Current Sensor
   9. 3.9 Temperature Sensor
7. 4Summary
8. 5References

Towards Functional Safety in On-Board Charger: Design Approach and Component Overview