graph LR
subgraph "主電源路徑"
A["蓄電池輸入 \n 12V/24V/48V"] --> B["主保險絲"]
B --> C["TVS陣列 \n ISO 7637-2"]
C --> D["輸入濾波器"]
D --> E["VBP112MC100 \n SiC MOSFET \n 主開關"]
E --> F["主電源匯流排"]
G["SiC柵極驅動器"] --> H["負壓關斷"]
H --> E
I["MCU控制"] --> G
end
subgraph "冗餘備份路徑"
J["蓄電池輸入"] --> K["冗餘保險絲"]
K --> L["TVS保護"]
L --> M["輸入濾波器"]
M --> N["VBP112MC100 \n SiC MOSFET \n 冗餘開關"]
N --> F
O["冗餘驅動器"] --> N
I --> O
end
subgraph "預充電與診斷"
F --> P["預充電電阻"]
P --> Q["預充電開關 \n VBP112MC100"]
F --> R["主接觸器"]
S["電壓檢測"] --> T["電流檢測"]
T --> U["故障診斷邏輯"]
U --> I
I --> Q
I --> R
end
subgraph "安全監控"
V["電源診斷電路"] --> W["比較器陣列"]
W --> X["故障鎖存"]
X --> Y["安全狀態機"]
Y --> I
end
style E fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style N fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
EPB電機驅動H橋拓撲詳圖
graph TB
subgraph "H橋功率級"
A["驅動直流母線"] --> B["上臂左 \n VBM1603"]
A --> C["上臂右 \n VBM1603"]
B --> D["電機節點A"]
C --> E["電機節點B"]
D --> F["下臂左 \n VBM1603"]
E --> G["下臂右 \n VBM1603"]
F --> H["驅動地"]
G --> H
D --> I["EPB直流電機"]
E --> I
end
subgraph "柵極驅動與保護"
J["電機預驅IC"] --> K["上臂左驅動器"]
J --> L["上臂右驅動器"]
J --> M["下臂左驅動器"]
J --> N["下臂右驅動器"]
K --> B
L --> C
M --> F
N --> G
O["柵極電阻"] --> B
P["柵極下拉電阻"] --> B
Q["RC吸收網路"] --> B
R["續流二極體"] --> I
end
subgraph "電流檢測與控制"
S["高側電流採樣"] --> T["精密運放"]
U["低側電流採樣"] --> T
T --> V["ADC輸入"]
V --> W["MCU PWM控制"]
W --> J
X["過流比較器"] --> Y["快速關斷"]
Y --> J
Z["堵轉檢測演算法"] --> AA["力閉環控制"]
AA --> W
end
subgraph "工作模式"
AB["夾緊模式 \n 高占空比PWM"]
AC["釋放模式 \n 反向PWM"]
AD["保持模式 \n 低靜態功耗"]
AB --> W
AC --> W
AD --> W
end
style B fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style C fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
智能狀態管理拓撲詳圖
graph LR
subgraph "電源域管理"
A["蓄電池常電"] --> B["VBA2317 \n P-MOSFET \n 常電開關"]
B --> C["常電域 \n MCU/記憶體/時鐘"]
D["點火IGN電"] --> E["VBA2317 \n P-MOSFET \n IGN開關"]
E --> F["IGN域 \n 感測器/通信"]
G["MCU GPIO"] --> H["電平轉換電路"]
H --> B
H --> E
end
subgraph "負載隔離控制"
I["常電域"] --> J["VBA2317 \n 指示燈控制"]
I --> K["VBA2317 \n 感測器供電"]
F --> L["VBA2317 \n 通信模組"]
F --> M["VBA2317 \n 顯示單元"]
N["負載診斷"] --> O["開路檢測"]
N --> P["短路檢測"]
O --> Q["故障上報"]
P --> Q
end
subgraph "喚醒與睡眠管理"
R["硬線喚醒"] --> S["喚醒電路"]
T["CAN/LIN喚醒"] --> S
S --> U["MCU喚醒引腳"]
V["睡眠模式控制"] --> W["關閉非必要負載"]
W --> X["靜態電流<100μA"]
V --> Y["保持RAM數據"]
Z["看門狗監控"] --> AA["安全狀態切換"]
AA --> B
AA --> E
end
subgraph "故障安全"
BB["MCU故障"] --> CC["安全監控MCU"]
CC --> DD["強制關斷信號"]
DD --> B
DD --> E
EE["電源故障"] --> FF["備份供電"]
FF --> CC
end
style B fill:#fff3e0,stroke:#ff9800,stroke-width:2px
style E fill:#fff3e0,stroke:#ff9800,stroke-width:2px
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