AD8280 Datasheet, PDF (11/24 Pages) Analog Devices – Lithium Ion Battery Safety Monitor

15
10
5
VOLTAGE BETWEEN
VIN0 AND VIN1
VIN1 AND VIN2
VIN2 AND VIN3
0
VIN3 AND VIN4
VIN4 AND VIN5
VIN5 AND VIN6
–5
–10
–15
6
10
14
18
22
26
30
STACK VOLTAGE (V)
Figure 21. Overvoltage Trip Point Error vs. Stack Voltage (VIN6 – VIN0)
5
0
VOLTAGE BETWEEN
–5
VIN0 AND VIN1
VIN1 AND VIN2
VIN2 AND VIN3
–10
VIN3 AND VIN4
VIN4 AND VIN5
VIN5 AND VIN6
–15
–20
–25
6
10
14
18
22
26
30
STACK VOLTAGE (V)
Figure 22. Undervoltage Trip Point Error vs. Stack Voltage (VIN6 – VIN0)
10
8
6
4
2
0
–2
6
10
14
18
22
26
30
STACK VOLTAGE (V)
Figure 23. Input Bias Current vs. Stack Voltage (VIN6 – VIN0)
AD8280
2.5
2.5
2.0
2.0
1.5
1.5
ENABLED
1.0
DISABLED
1.0
0.5
0.5
0
0
6
10
14
18
22
26
30
STACK VOLTAGE (V)
Figure 24. Supply Current vs. Stack Voltage (VIN6 – VIN0)
1.40
1.35
1.30
1.25
STACK VOLTAGE = 7.5V
STACK VOLTAGE = 18V
STACK VOLTAGE = 29.8V
1.20
1.15
–50 –30 –10
10
30
50
70
TEMPERATURE (°C)
90 110
Figure 25. Enabled Supply Current vs. Temperature
for Various Stack Voltages (VIN6 – VIN0)
5.5
LDO
5.0
REF
4.5
4.0
3.5
3.0
2.5
0
5
10
15
20
25
30
SOURCE CURRENT (mA)
Figure 26. LDO and Reference Voltage vs. LDO Source Current,
Stack Voltage = 7.5 V
Rev. C | Page 11 of 24