graph LR
subgraph "雙電源輸入自動切換"
A["鋰電池輸入 \n 3.7-6VDC"] --> B["VBC6N2005 \n 通道1"]
C["USB輸入 \n 5VDC"] --> D["VBC6N2005 \n 通道2"]
subgraph "VBC6N2005內部結構"
direction LR
G1["柵極1"]
G2["柵極2"]
S1["源極1"]
S2["源極2"]
DRAIN["公共漏極"]
end
B --> G1
C --> G2
S1 --> E["系統電源匯流排"]
S2 --> E
DRAIN --> F["電源地"]
H["電源管理IC"] --> I["控制邏輯"]
I --> G1
I --> G2
E -->|電壓檢測| H
end
subgraph "負載分配與隔離"
E --> J["LDO 3.3V"]
E --> K["LDO 5V"]
J --> L["MCU核心"]
J --> M["感測器陣列"]
K --> N["無線模組"]
K --> O["顯示單元"]
P["MCU控制"] --> Q["負載開關控制"]
Q --> R["關斷非必要負載"]
end
style B fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style D fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
VBKB5245 - 信號電平轉換與微型負載控制拓撲詳圖
graph TB
subgraph "互補MOSFET信號開關"
A["MCU GPIO \n 3.3V電平"] --> B["電平轉換電路"]
B --> C["VBKB5245-N \n 柵極"]
B --> D["VBKB5245-P \n 柵極"]
subgraph "VBKB5245內部結構"
direction LR
N_CH["N溝道MOSFET \n 20V/4A"]
P_CH["P溝道MOSFET \n -20V/-2A"]
IN_N["N柵極"]
IN_P["P柵極"]
OUT_N["N漏極"]
OUT_P["P漏極"]
SOURCE["公共源極"]
end
C --> IN_N
D --> IN_P
E["信號輸入/電源"] --> F["開關節點"]
OUT_N --> F
OUT_P --> F
F --> G["負載/信號輸出"]
SOURCE --> H["地"]
end
subgraph "典型應用電路"
subgraph "模擬信號切換"
I["感測器信號1"] --> J["VBKB5245開關"]
K["感測器信號2"] --> J
J --> L["ADC輸入"]
end
subgraph "微型H橋電機驅動"
M["VBKB5245-N1"] --> N["振動馬達+"]
O["VBKB5245-P1"] --> N
P["VBKB5245-N2"] --> Q["振動馬達-"]
R["VBKB5245-P2"] --> Q
S["PWM控制"] --> M
S --> O
S --> P
S --> R
end
end
style N_CH fill:#fff3e0,stroke:#ff9800,stroke-width:2px
style P_CH fill:#fff3e0,stroke:#ff9800,stroke-width:2px
VBQF1306 - 無線通信模組電源管理拓撲詳圖
graph LR
subgraph "大電流無線模組電源開關"
A["系統電源匯流排 \n 5VDC"] --> B["輸入濾波電容"]
B --> C["VBQF1306 \n 30V/40A"]
subgraph "VBQF1306 DFN8封裝"
direction TB
GATE["柵極"]
DRAIN["漏極"]
SOURCE["源極"]
PAD["散熱焊盤"]
end
C --> GATE
A --> DRAIN
SOURCE --> D["輸出濾波網路"]
D --> E["無線通信模組 \n 電源輸入"]
F["MCU GPIO"] --> G["柵極驅動器"]
G --> GATE
end
subgraph "保護與監控電路"
H["緩啟動電路"] --> GATE
I["電流檢測電阻"] --> SOURCE
J["TVS過壓保護"] --> D
K["熱敏電阻"] --> PAD
I --> L["電流檢測IC"]
L --> M["MCU ADC"]
K --> N["溫度檢測IC"]
N --> M
end
subgraph "時序控制與功耗管理"
O["通信協議棧"] --> P["電源時序控制"]
P --> F
Q["活動檢測"] --> R["自動休眠喚醒"]
R --> P
end
style C fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
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