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| 型號(hào)： | ADM1026JSTZ-REEL |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | 電源管理 |
| 英文描述： | Complete Thermal and System Management Controller |
| 中文描述： | 4-CHANNEL POWER SUPPLY SUPPORT CKT, PQFP48 |
| 封裝： | 7 X 7 MM, 1.40 MM HEIGHT, LEAD FREE, PLASTIC, MS-026BBC, LQFP-48 |
| 文件頁數(shù)： | 6/56頁 |
| 文件大?。?/td> | 634K |
| 代理商： | ADM1026JSTZ-REEL |
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ADM1026
PIN CONFIGURATION AND FUNCTION DESCRIPTIONS
Rev. A | Page 6 of 56
36
35
34
33
32
31
30
29
28
27
26
25
4
4
4
4
4
4
4
4
4
3
3
3
1
1
1
1
1
1
1
2
2
2
2
2
ADM1026
TOP VIEW
(Not to Scale)
PIN 1 IDENTIFIER
GPIO9
GPIO8
FAN0/GPIO0
FAN1/GPIO1
FAN2/GPIO2
FAN3/GPIO3
3.3V MAIN
DGND
FAN4/GPIO4
FAN5/GPIO5
FAN6/GPIO6
FAN7/GPIO7
S
S
A
C
I
P
R
R
A
3
D
V
R
A
IN5
(0V – 3V)
A
IN6
(0V – 2.5V)
A
IN7
(0V – 2.5V)
+V
CCP
+12 V
IN
–12 V
IN
+5 V
IN
V
BAT
D2+/A
IN8
(0V – 2.5V)
D2–/A
IN9
(0V – 2.5V)
D1+
D1–/NTESTIN
G
G
G
G
G
G
G
A
I
(
A
I
(
A
I
(
A
I
(
A
I
(
1
2
3
4
5
6
7
8
9
10
11
12
0
Figure 3. Pin Configuration
Table 3.
Pin No.
1
2
3
Mnemonic
GPIO9
GPIO8
FAN0/GPIO0
Type
Digital I/O
1
Digital I/O
1
Digital I/O
Description
General-purpose I/O pin that can be configured as digital inputs or outputs.
General-purpose I/O pin that can be configured as digital inputs or outputs.
Fan tachometer input with internal 10 k pull-up resistor to 3.3 V STBY. Can be
reconfigured as a general-purpose, open drain, digital I/O pin.
Fan tachometer input with internal 10 k pull-up resistor to 3.3 V STBY. Can be
reconfigured as a general-purpose, open drain, digital I/O pin.
Fan tachometer input with internal 10 k pull-up resistor to 3.3 V STBY. Can be
reconfigured as a general-purpose, open drain, digital I/O pin.
Fan tachometer input with internal 10 k pull-up resistor to 3.3 V STBY. Can be
reconfigured as a general-purpose, open drain, digital I/O pin.
Monitors the main 3.3 V system supply. Does not power the device.
Ground pin for digital circuits.
Fan tachometer input with internal 10 k pull-up resistor to 3.3 V STBY. Can be
reconfigured as a general-purpose, open drain, digital I/O pin.
Fan tachometer input with internal 10 k pull-up resistor to 3.3 V STBY. Can be
reconfigured as a general-purpose, open drain, digital I/O pin.
Fan tachometer input with internal 10 k pull-up resistor to 3.3 V STBY. Can be
reconfigured as a general-purpose, open drain, digital I/O pin.
Fan tachometer input with internal 10 k pull-up resistor to 3.3 V STBY. Can be
reconfigured as a general-purpose, open drain, digital I/O pin.
Open Drain Serial Bus Clock. Requires a 2.2 k pull-up resistor.
Serial Bus Data. Open drain I/O. Requires a 2.2 k pull-up resistor.
This is a three-state input that controls the two LSBs of the serial bus address. It also
functions as the output for NAND tree testing.
An active high input that captures a chassis intrusion event in Bit 6 of Status Register 4.
This bit remains set until cleared, as long as battery voltage is applied to the V
BAT
input,
even when the ADM1026 is powered off.
Interrupt Request (Open Drain). The output is enabled when Bit 1 of the configuration
register is set to 1. The default state is disabled. It has an on-chip 100 k pull-up resistor.
4
FAN1/GPIO1
Digital I/O
5
FAN2/GPIO2
Digital I/O
6
FAN3/GPIO3
Digital I/O
7
8
9
3.3 V MAIN
DGND
FAN4/GPIO4
Analog Input
Ground
Digital I/O
10
FAN5/GPIO5
Digital I/O
11
FAN6/GPIO6
Digital I/O
12
FAN7/GPIO7
Digital I/O
13
14
15
SCL
SDA
ADD/NTESTOUT
Digital Input
Digital I/O
Digital Input
16
CI
Digital Input
17
INT
Digital Output
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