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過壓保護(hù)電路的設(shè)計(jì)-資料下載頁

2024-10-07 10:17本頁面

【導(dǎo)讀】壓電路、高精度遲滯比較器組成。它利用高精度遲滯比較器的輸出信號(hào)控制MOS管。的通斷,有效的避免了電路振蕩,成功實(shí)現(xiàn)了過壓的電路保護(hù)。保護(hù)電壓的閾值可。由二四譯碼器進(jìn)行選擇。基于m,CMOS工藝,對(duì)提出的電路進(jìn)行了仿。真驗(yàn)證,結(jié)果表明此電路具有保護(hù)效果好,響應(yīng)速度快等特點(diǎn)。

  

【正文】 P_18_LL L=2U W=12U MNH7 Y0 d1 d3 GND N_18_LL L=2U W=12U MNH8 d3 d2 GND GND N_18_LL L=2U W=12U * MPH9 Y1 d1 VDD VDD P_18_LL L=2U W=12U MPH10 Y1 b VDD VDD P_18_LL L=2U W=12U MNH11 Y1 d1 d4 GND N_18_LL L=2U W=12U MNH12 d4 b GND GND N_18_LL L=2U W=12U * MPH13 Y2 a VDD VDD P_18_LL L=2U W=12U MPH14 Y2 d2 VDD VDD P_18_LL L=2U W=12U MNH15 Y2 a d5 GND N_18_LL L=2U W=12U MNH16 d5 d2 GND GND N_18_LL L=2U W=12U * MPH17 Y3 a VDD VDD P_18_LL L=2U W=12U MPH18 Y3 b VDD VDD P_18_LL L=2U W=12U MNH19 Y3 a d6 GND N_18_LL L=2U W=12U MNH20 d6 b GND GND N_18_LL L=2U W=12U *******電壓采樣 ******** R1 VDD n1 R2 n1 n2 R3 n2 n3 R4 n3 n4 10K R5 n4 GND 53K ****** 4 個(gè)傳輸門 ****** MPF1 FY0 Y0 VDD VDD P_18_LL L=2U W=12U MNF2 FY0 Y0 GND GND N_18_LL L=2U W=12U MPG1 VI Y0 n1 VDD P_18_LL L=2U W=12U MNG2 n1 FY0 VI GND N_18_LL L=2U W=12U MPF3 FY1 Y1 VDD VDD P_18_LL L=2U W=12U MNF4 FY1 Y1 GND GND N_18_LL L=2U W=12U MPG3 VI Y1 n2 VDD P_18_LL L=2U W=12U MNG4 n2 FY1 VI GND N_18_LL L=2U W=12U MPF5 FY2 Y2 VDD VDD P_18_LL L=2U W=12U MNF6 FY2 Y2 GND GND N_18_LL L=2U W=12U MPG5 VI Y2 n3 VDD P_18_LL L=2U W=12U MNG6 n3 FY2 VI GND N_18_LL L=2U W=12U MPF7 FY3 Y3 VDD VDD P_18_LL L=2U W=12U MNF8 FY3 Y3 GND GND N_18_LL L=2U W=12U MPG7 VI Y3 n4 VDD P_18_LL L=2U W=12U MNG8 n4 FY3 VI GND N_18_LL L=2U W=12U ****** 遲滯比較 ******** *VIN VIN 0 pwl(0 0 10u 2 20U 0) MNQ0 H3 Vbias GND GND N_18_LL L=2U W=3U MNQ1 H1 VI H3 GND N_18_LL L=2U W=28U MNQ2 H2 VREF H3 GND N_18_LL L=2U W=28U MPQ3 H1 H1 VDD VDD P_18_LL L=2U W=4U MPQ4 H2 H2 VDD VDD P_18_LL L=2U W=4U MPQ5 H2 H1 VDD VDD P_18_LL L=2U W=4U MPQ6 H1 H2 VDD VDD P_18_LL L=2U W=4U MPQ7 VOUT H2 VDD VDD P_18_LL L=2U W=12U MPQ8 H4 H1 VDD VDD P_18_LL L=2U W=4U MNQ9 H4 H4 GND GND N_18_LL L=2U W=4U MNQ10 VOUT H4 GND GND N_18_LL L=2U W=12U MNQ11 Vbias Vbias GND GND N_18_LL L=2U W=12U Ibias VDD Vbias 2u ******反相器 ******* MPF9 VOUT1 VOUT VDD VDD P_18_LL L=2U W=12U MNF10 VOUT1 VOUT GND GND N_18_LL L=2U W=12U MPF11 VOUT2 VOUT1 VDD VDD P_18_LL L=2U W=12U MNF12 VOUT2 VOUT1 GND GND N_18_LL L=2U W=12U ******stimulus****** .TRAN 1U 20U .PRINT TRAN V(VDD) V(VOUT) .Probe I(BIAS) .TEMP .END
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