graph LR
subgraph "太陽能輸入路徑管理"
A["太陽能板輸入 \n 12-24V"] --> B["防反接二極體"]
B --> C["輸入濾波電容"]
C --> D["VBA8338 \n P-MOSFET"]
D --> E["充電控制節點"]
F["MCU控制信號"] --> G["電平轉換電路"]
G --> H["VBA8338柵極"]
I["過壓保護"] --> C
end
subgraph "電池充放電管理"
E --> J["電池充電IC"]
J --> K["鋰離子電池組"]
K --> L["電池保護電路"]
L --> M["電池輸出節點"]
subgraph "電池開關網路"
N["VBQF1206 \n 放電開關"]
O["VBQF1206 \n 充電開關"]
end
M --> N
M --> O
P["MCU PWM控制"] --> Q["半橋驅動器"]
Q --> N
Q --> O
end
style D fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style N fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
同步升降壓功率轉換拓撲詳圖
graph TB
subgraph "四開關同步升降壓拓撲"
A["電池輸入 \n 7.4-12.6V"] --> B["輸入電容"]
B --> SW1["開關節點1"]
SW1 --> Q1["VBQF1206 \n 高側開關"]
SW1 --> Q2["VBQF1206 \n 低側開關"]
Q1 --> C["內部DC匯流排 \n 5-20V"]
Q2 --> D["功率地"]
E["功率電感"] --> SW1
F["輸出電容"] --> C
C --> SW2["開關節點2"]
SW2 --> Q3["VBQF1206 \n 高側開關"]
SW2 --> Q4["VBQF1206 \n 低側開關"]
Q3 --> G["輸出端"]
Q4 --> D
end
subgraph "驅動與控制"
H["升降壓控制器"] --> I["柵極驅動器1"]
H --> J["柵極驅動器2"]
I --> Q1
I --> Q2
J --> Q3
J --> Q4
K["電壓回饋"] --> H
L["電流檢測"] --> H
end
subgraph "工作模式"
M["升壓模式: Q2常開, Q4同步整流"]
N["降壓模式: Q1常開, Q3同步整流"]
O["升降壓模式: 四開關PWM"]
end
style Q1 fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style Q2 fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style Q3 fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style Q4 fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
多端口負載開關管理拓撲詳圖
graph LR
subgraph "雙路USB-C端口管理"
A["DC匯流排輸入"] --> B["VB3222A Ch1"]
B --> C["Type-C PD控制器"]
C --> D["USB-C端口1 \n 5-20V/5A"]
E["MCU GPIO1"] --> F["電平轉換"]
F --> G["VB3222A柵極1"]
H["電流檢測電阻"] --> I["運放電路"]
I --> J["MCU ADC1"]
end
subgraph "雙路USB-A端口管理"
K["DC匯流排輸入"] --> L["VB3222A Ch3"]
L --> M["USB-A端口1 \n 5V/2.4A"]
N["MCU GPIO2"] --> O["電平轉換"]
O --> P["VB3222A柵極3"]
Q["電流檢測電阻"] --> R["運放電路"]
R --> S["MCU ADC2"]
end
subgraph "保護電路"
T["過流保護比較器"] --> U["故障鎖存"]
V["短路檢測"] --> U
W["熱關斷"] --> U
U --> X["關斷信號"]
X --> G
X --> P
end
subgraph "AI功率分配"
Y["設備識別晶片"] --> Z["MCU決策演算法"]
AA["電池電量"] --> Z
AB["溫度數據"] --> Z
Z --> AC["端口使能控制"]
Z --> AD["功率限制設置"]
end
style B fill:#fff3e0,stroke:#ff9800,stroke-width:2px
style L fill:#fff3e0,stroke:#ff9800,stroke-width:2px
熱管理與保護拓撲詳圖
graph TB
subgraph "三級熱管理系統"
A["一級: VBQF1206熱管理"] --> B["大面積PCB敷銅"]
B --> C["過孔陣列散熱"]
C --> D["金屬外殼導熱"]
E["二級: VBA8338熱管理"] --> F["局部敷銅散熱"]
G["三級: VB3222A熱管理"] --> H["自然對流散熱"]
I["NTC溫度感測器1"] --> J["VBQF1206附近"]
K["NTC溫度感測器2"] --> L["電池附近"]
M["溫度監測電路"] --> N["MCU ADC"]
end
subgraph "電氣保護網路"
O["輸入TVS陣列"] --> P["太陽能輸入介面"]
Q["輸出TVS陣列"] --> R["USB輸出端口"]
S["柵極ESD保護"] --> T["所有MOSFET柵極"]
U["RC緩衝電路"] --> V["VBQF1206開關節點"]
W["肖特基並聯"] --> X["VB3222A體二極體"]
end
subgraph "保護控制邏輯"
Y["過流檢測"] --> Z["比較器輸出"]
AA["過壓檢測"] --> Z
AB["過溫檢測"] --> Z
Z --> AC["故障鎖存器"]
AC --> AD["全局關斷信號"]
AD --> AE["關閉所有MOSFET"]
AF["MCU故障處理"] --> AG["狀態指示 \n 故障記錄"]
end
subgraph "降額保護策略"
AH["溫度>70°C"] --> AI["降低輸出功率20%"]
AJ["溫度>85°C"] --> AK["降低輸出功率50%"]
AL["溫度>95°C"] --> AM["完全關斷輸出"]
AN["電池電壓<3.2V"] --> AO["進入休眠模式"]
end
style B fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style F fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style H fill:#fff3e0,stroke:#ff9800,stroke-width:2px
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