SPICE Model of O2 sensor

1. All Rights Reserved Copyright (C) Bee Technologies Inc. 2015
1
Device Modeling Report
Bee Technologies Inc.
COMPONENTS: O2 Sensor
PART NUMBER: KE-12
MANUFACTURER: GS YUASA
REMARK: Variable O2 Input Model

2. All Rights Reserved Copyright (C) Bee Technologies Inc. 2015
2
+-
%O2
U1
KE-12
Circuit Configuration

3. All Rights Reserved Copyright (C) Bee Technologies Inc. 2015
3
V_O2
0V 0.2V 0.4V 0.6V 0.8V 1.0V
V(o)
0V
50mV
100mV
150mV
200mV
250mV
300mV
O2
0
0
+-
%O2
U1
KE-12
O
Oxygen Concentration-Output Voltage Characteristics
Circuit Simulation result
Evaluation circuit

4. All Rights Reserved Copyright (C) Bee Technologies Inc. 2015
4
Oxygen Concentration-Output Voltage Comparison Graph
Circuit Simulation result
Comparison table
ID (A)
VGS (V)
%Error
Measurement Simulation
0 0 0.000 0.00
20 28 28.000 0.00
40 56 56.000 0.00
60 84 84.000 0.00
80 112 112.000 0.00
100 140 140.000 0.00

5. All Rights Reserved Copyright (C) Bee Technologies Inc. 2015
5
O2
0
0
+-
%O2
U1
KE-12
O
Time
0s 20s 40s 60s 80s 100s 120s
V(o)/0.14
0V
0.25V
0.50V
0.75V
1.00V
1.25V
(5.0000,900.000m)
Response Characteristics
Circuit Simulation result
Evaluation circuit
Test condition: 100% Oxygen Concentration (VO=140mV)
Parameter Unit Measurement Simulation %Error
tresponse s 5 5 0