AD8280
PIN CONFIGURATION AND FUNCTION DESCRIPTIONS
48
47
46
45
44
43
42
41
40
39
38
37
1
2
36
35
34
33
32
31
30
29
28
27
26
25
VBOT2
VBOT2S
VBOT1S
VBOT1
VIN0
VCC
PIN 1
GND1
3
GND2
4
NPTC
5
ALRMSEL
DGT0
6
VIN1
AD8280
7
VIN2
DGT1
8
VIN3
SEL0
9
VIN4
SEL1
10
11
12
VIN5
AVOUTOV
AVOUTUV
AVOUTOT
VIN6
VTOP
13
14
15
16
17
18
19
20
21
22
23
24
Figure 2. Pin Configuration
Table 4. Pin Function Descriptions
Pin No.
Mnemonic
VBOT2
VBOT2S
VBOT1S
VBOT1
VIN0
VIN1
VIN2
VIN3
VIN4
VIN5
VIN6
VTOP
VTOPS
VT1
VT2
TESTI
AIOUTOV
AIOUTUV
AIOUTOT
ENBI
Description
1
2
3
4
5
6
7
8
Lowest Potential of Six-Cell Stack.
Lowest Potential of Six-Cell Stack. Tie to VBOT2.
Lowest Potential of Six-Cell Stack. Tie to VBOT1.
Lowest Potential of Six-Cell Stack.
Input Voltage for Bottom of Cell 1.
Input Voltage for Bottom of Cell 2/Top of Cell 1.
Input Voltage for Bottom of Cell 3/Top of Cell 2.
Input Voltage for Bottom of Cell 4/Top of Cell 3.
Input Voltage for Bottom of Cell 5/Top of Cell 4.
Input Voltage for Bottom of Cell 6/Top of Cell 5.
Input Voltage for Top of Cell 6.
Highest Potential of Six-Cell Stack.
Highest Potential of Six-Cell Stack. Tie to VTOP.
Temperature Input 1.
Temperature Input 2.
Test Input.
Alarm Current Output, Overvoltage. Used in daisy-chain configuration.
Alarm Current Output, Undervoltage. Used in daisy-chain configuration.
Alarm Current Output, Overtemperature. Used in daisy-chain configuration.
Enable Input. When ENBI is logic high, the part is enabled; when ENBI is logic low, the part is disabled.
Overvoltage Trip Point.
Undervoltage Trip Point.
Overtemperature Trip Point.
Digital Select Pin 2. Used with DGT0 and DGT1 to select deglitch time (see Table 7).
Alarm Voltage Output, Overtemperature.
Alarm Voltage Output, Undervoltage.
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
OV
UV
OT
DGT2
AVOUTOT
AVOUTUV
AVOUTOV
Alarm Voltage Output, Overvoltage.
Rev. C | Page 6 of 24