flowchart TD n1["光耦"] --> n2["Pin5->Pin4存在二极管"] n3["DPS小档位无法输出大电压"] --> n1 & n4["运放"] n4 --> n6["In+/In-电压范围为Vdd~Vss,超出范围则会被内部二极管钳位"] & n12["Vout不超过Vdd"] n6 --> n7@{ label: "In+通过1K电阻连至光耦1@Pin4" } n7 --> n8@{ label: "Force/MeasH->IN+
Pin5->Pin4" } n10["Vout+串联肖特基二极管至光耦2@Pin4"] --> n9@{ label: "Force/MeasH->Vout
Pin5->Pin4" } n2 --> n11@{ label: "如果Pin5电压>Pin4电压" } n11 --> n5["二极管导通,存在电流通路"] n12 --> n10 n8 --> n13["小档位Force 13V"] n9 --> n13 n13 --> n14@{ label: "Force=13
Vout=9.6V" } & n15@{ label: "Force=13
IN+ = 9V
" } n15 --> n11 n14 --> n11 n5 --> n18["ForceV ClampI"] n18 --> n20["电流通过1K电阻"] & n21["肖特基二极管反向导通"] n20 -- "5uA/20uA/200uA Clamp" --> n24["Force电压小于期望值"] n21 -- "2mA Clamp" --> n24 n1@{ shape: rounded} n3@{ shape: rounded} n4@{ shape: rounded} n6@{ shape: rect} n12@{ shape: rect} n7@{ shape: rect} n8@{ shape: rect} n10@{ shape: rect} n9@{ shape: rect} n11@{ shape: diam} n5@{ shape: rounded} n13@{ shape: rounded} n14@{ shape: rect} n15@{ shape: rect} n20@{ shape: rounded} n21@{ shape: rounded}