SDAA524 October   2026 DRV3233-Q1 , DRV3263-Q1 , DRV8245-Q1 , LM74930-Q1 , TCAN1043HG-Q1 , TMAG6180-Q1

1.   1
2.   Abstract
3.   Trademarks
4. 1Introduction
   1. 1.1 Evolution of Braking Systems
      1. 1.1.1 Legacy Hydraulic Brake
      2. 1.1.2 Electrical Hydraulic Brake (EHB)
      3. 1.1.3 Electrical Mechanical Brake (EMB)
   2. 1.2 Why ASIL D is Required for EMB
   3. 1.3 How to Develop a Safe EMB System?
5. 2Safety Goal and Safety Concept
   1. 2.1 EMB System Overview
      1. 2.1.1 Item Definition
      2. 2.1.2 Operational Situations
      3. 2.1.3 System Interface
   2. 2.2 EMB Safety Goal
      1. 2.2.1 Application Assumption
      2. 2.2.2 Hazard Analysis and Risk Assessment
      3. 2.2.3 Safety Goal
   3. 2.3 EMB Functional Safety Concept
      1. 2.3.1 Fail Tolerance Strategy
      2. 2.3.2 Functional Safety Concept
      3. 2.3.3 Functional Safety Requirements
6. 3Proposed Design for ASIL D EMB
   1. 3.1 EMB System Safety Design Architecture
   2. 3.2 Hardware Component
   3. 3.3 Safety Mechanism Design
      1. 3.3.1 Power Management Safety Design
         1. 3.3.1.1 Ideal Diode Safety Analysis
         2. 3.3.1.2 DCDC safety analysis
         3. 3.3.1.3 PMIC Safety Analysis
      2. 3.3.2 Central Controller Safety Design
      3. 3.3.3 Communication Interface Safety Design
      4. 3.3.4 Actuator Safety Design
         1. 3.3.4.1 Braking Motor Driver Safety Analysis
         2. 3.3.4.2 Parking Driver Safety Analysis
      5. 3.3.5 Sensor Interface Safety Design
         1. 3.3.5.1 Position Sensor Safety Analysis
         2. 3.3.5.2 Wheel Speed Decoder Safety Analysis
         3. 3.3.5.3 Pedal Position Sensor Safety Analysis
7. 4Summary
8. 5References

Electromechanical Braking System Functional Safety Design