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G61
ADM1014
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781/329-4700 www.analog.com
Fax: 781/326-8703 © Analog Devices, Inc., 2002
REV. PrN 1/02
Preliminary Technical Data
Dual PCI Hot-Plug
TM
Controller
FUNCTIONAL BLOCK DIAGRAM
TM
Hot Plug is a trademark of Core International, Inc.
AUXINA
VOCSET
100µA
OCSET
COMMON TO BOTH CHANNELS
3.3VAUX
POWER-ON
RESET LOW WHEN
AUXINA < 2.5V
AUXINA
12VGA
12VIN
A
5VISENA
5VSA
3VISENA
3VSA
3V5VGA
+5V
IN
+3.3V
IN
RSENSE3A
RSENSE5A
+5V
OUTA
+3.3V
OUTA
12VOA
-12VGA
-12VINA
5V
REGULATOR
LOW WHEN
12VINA <
10V
35
34
37
36
33
-12VOA
12VIN
A
12V IN
POWER-ON
RESET
GND
AUXGA
AUXINA
AUXOA
FLTNA
FAUXA
5
PWRONA
PAUXONA
12VIN
A
CIRCUIT OPERATES FROM 3.3VAUX POWER SUPPLY
CIRCUIT OPERATES FROM 3.3VAUX AND +12V POWER SUPPLY
P-CHANNEL
MOSFET
D
S
G
FAULT
LATCH
Q
Q
RESET
SET
OVERCURRENT AND
UNDERVOLTAGE
COMPARATORS
FOR +5V
OVERCURRENT AND
UNDERVOLTAGE
COMPARATORS
FOR +3.3V
P-CHANNEL
MOSFET
D
S
G
OVERCURRENT AND
UNDERVOLTAGE
COMPARATORS
FOR +12V
N-CHANNEL
MOSFET
D
S
G
OVERCURRENT
COMPARATOR
FOR -12V
FAULT
LATCH
Q
Q
RESET
SET
COMBINING
LOGIC
COMMON TO BOTH CHANNELS
CHANNEL A
CHANNEL B
( IDENTICAL TO CHANNEL A )
3
4
32
FLTNB
PWRONB
PAUXONB 27
15
17
16
7
8
31
29
9
10
2
1
38
12VGB
12VINB
12VOB
-12VGB
-12VINB
5VISENB
23
5VSB
24
21
3VISENB
3VSB
22
-12VOB
3V5VGB
25
AUXGB
AUXINB
AUXOB
28
11
14
13
26
12
18
19
20
EXTERNAL
N-CHANNEL
POWER
MOSFETS
EXTERNAL
N-CHANNEL
POWER
MOSFETS
3.3V Cmos
Input
3.3V Cmos
Output
30
OVERCURRENT AND
UNDERVOLTAGE
COMPARATORS
FOR +3.3VAUX
+5V
IN
+3.3V
IN
RSENSE3B
RSENSE5B
+5V
OUTA
+3.3V
OUTA
CHANNEL A
6
+3.3VAux
+3.3VAux
FAUXB