graph LR
subgraph "高壓加熱器驅動拓撲"
A["整流後高壓DC \n 300-400V"] --> B["主開關節點"]
B --> C["VBMB18R09S \n 800V/9A \n TO-220F"]
C --> D["加熱負載 \n (加熱棒)"]
D --> E["電流檢測 \n 電阻"]
E --> F["接地"]
G["PID溫度控制器"] --> H["隔離柵極驅動器"]
H --> C
I["NTC溫度感測器"] --> G
subgraph "保護電路"
J["RCD緩衝網路"]
K["壓敏電阻 \n 浪湧保護"]
L["保險絲 \n 過流保護"]
end
J --> B
K --> B
L --> A
end
style C fill:#ffebee,stroke:#f44336,stroke-width:2px
高效泵電機驅動拓撲詳圖
graph TB
subgraph "H橋電機驅動拓撲"
A["12-24V輔助電源"] --> B["電源濾波"]
B --> C["VBGQA1603 \n Q1 (高側)"]
B --> D["VBGQA1603 \n Q2 (高側)"]
C --> E["電機正端"]
D --> F["電機負端"]
G["VBGQA1603 \n Q3 (低側)"] --> H["接地"]
I["VBGQA1603 \n Q4 (低側)"] --> H
E --> J["直流電機"]
F --> J
K["電機驅動器IC"] --> L["高側驅動"]
K --> M["低側驅動"]
L --> C
L --> D
M --> G
M --> I
subgraph "PCB熱設計"
N["多層PCB \n 2oz銅厚"]
O["過孔陣列 \n 熱傳導"]
P["大面積露銅 \n 散熱焊盤"]
end
N --> C
O --> C
P --> C
end
style C fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
智能電源管理拓撲詳圖
graph LR
subgraph "智能電源分配管理"
A["主控MCU \n GPIO控制"] --> B["電平轉換電路"]
B --> C["VB2658 \n P-MOSFET \n SOT23-3"]
D["12V輔助電源"] --> E["負載電源節點"]
C --> F["控制邏輯"]
subgraph "多路負載通道"
G["通道1:控制板電源"]
H["通道2:散熱風扇"]
I["通道3:感測器陣列"]
J["通道4:待機電路"]
end
F --> G
F --> H
F --> I
F --> J
G --> K["控制板MCU \n 及週邊"]
H --> L["風扇電機 \n PWM控制"]
I --> M["溫度/流量 \n 感測器"]
J --> N["低功耗待機 \n 喚醒電路"]
end
subgraph "保護與監控"
O["過流檢測"] --> P["比較器"]
Q["溫度監控"] --> R["ADC採樣"]
P --> S["故障鎖存"]
S --> T["緊急關斷"]
T --> C
end
style C fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
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