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Simple Model of CVCC Power Supply Model using LTspice

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Simple Model of CVCC Power Supply Model using LTspice
by Bee Technologies

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Simple Model of CVCC Power Supply Model using LTspice

  1. 1. CVCC Power Supply(Constant Voltage / ConstantCurrent Power Supply)Simplified SPICE Model(LTspice Model) All Rights Reserved Copyright (C) Bee Technologies Corporation 2013 1
  2. 2. Voltage vs. Current Characteristics CV (Constant Voltage) CC (Constant Current) 8.0V 8.0V 7.0V 7.0V CV=6V 6.0V 6.0V CV=5V CV=5V 5.0V 5.0V CV=4V 4.0V 4.0V 3.0V 3.0V 2.0V 2.0V 1.0V 1.0V CC=6A 0V 0V 0A 1.0A 2.0A 3.0A 4.0A 5.0A 0A 1.0A 3.0A 5.0A 7.0A V(H1:1,H1:2) V(H1:1,H1:2) CC=4A I_ILoad CC=5A I_ILoad CC=5A All Rights Reserved Copyright (C) Bee Technologies Corporation 2013 2
  3. 3. Power Supply Load Regulation Parameter.MODEL MPOPS PMOS Load Regulation+ LEVEL=3 L=1u W=1u TOX=100n 6.0V+ VTO=-0.7 KP={22.2222*CC} RD={(0.1*CV)/CC} 5.0V RD={(0.37*CV)/CC}+ RDS=100MEG N=1MEG 4.0V RD={(0.37*CV)/CC} 3.0V 2.0V 1.0V 0V 0A 1.0A 2.0A 3.0A 4.0A 5.0A V(H1:1,H1:2) I_ILoadSymbol of the CV|CC Power Supply Model All Rights Reserved Copyright (C) Bee Technologies Corporation 2013 3
  4. 4. Power Supply without Load Regulation Parameter−(Close to the Ideal).MODEL MPOPS PMOS Load Regulation+ LEVEL=3 L=1u W=1u TOX=100n 6.0V The parameter RD is deleted+ VTO=-0.7 KP={22.2222*CC} 5.0V RD={(0.37*CV)/CC}+ RDS=100MEG N=1MEG 4.0V 3.0V 2.0V 1.0V 0V 0A 1.0A 2.0A 3.0A 4.0A 5.0A V(H1:1,H1:2) I_ILoadSymbol of the CV|CC Power Supply Model All Rights Reserved Copyright (C) Bee Technologies Corporation 2013 4

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