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

1. CVCC Power Supply
(Constant Voltage / Constant
Current Power Supply)
Simplified SPICE Model
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2. How to use this model
CV and CC value set only
U1
CVCCPS
CV: Constant Voltage [V]
CC: Constant Current [A]
1
Default Value:
CV=5V: Constant Voltage [V]
CC=5A: Constant Current [A]
2
CV = 5V
CC = 5A
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3. 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
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4. Power Supply Load Regulation Parameter
can setting of Load Regulation
[How to set] Load Regulation
.MODEL MPOPS PMOS 6.0V
+ LEVEL=3 L=1u W=1u TOX=100n RD={(0.1*CV)/CC}
5.0V
+ VTO=-0.7 KP={22.2222*CC}
RD={(0.37*CV)/CC} 4.0V
+ RDS=100MEG N=1MEG
RD={(0.37*CV)/CC}
3.0V
U1
CVCCPS
2.0V
1
1.0V
0V
2 0A 1.0A 2.0A 3.0A 4.0A 5.0A
V(H1:1,H1:2)
CV = 5V I_ILoad
CC = 5A
Symbol of the CV|CC Power Supply Model
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5. Power Supply without Load Regulation Parameter
−(Close to the Ideal) Setting
[How to set] Load Regulation
.MODEL MPOPS PMOS 6.0V
The parameter RD is deleted
+ LEVEL=3 L=1u W=1u TOX=100n
5.0V
+ VTO=-0.7 KP={22.2222*CC}
RD={(0.37*CV)/CC} 4.0V
+ RDS=100MEG N=1MEG
3.0V
U1
CVCCPS
2.0V
1
1.0V
0V
2 0A 1.0A 2.0A 3.0A 4.0A 5.0A
V(H1:1,H1:2)
CV = 5V I_ILoad
CC = 5A
Symbol of the CV|CC Power Supply Model
All Rights Reserved Copyright (C) Bee Technologies Corporation 2012 5