ISL6112 INTERSIL [Intersil Corporation], ISL6112 Datasheet - Page 9

• Manufacturer Part Number: ISL6112
• Description: Dual Slot PCI-Express Power Controller
• Manufacturer: INTERSIL [Intersil Corporation]

Typical Application Diagram
FORCE_ONA
FORCE_ONB
GPI_A0
GPI_B0
SMBUS I/O
100k
HOT-PLUG
CONTROLLER
SMBUS
BASE
ADDRESS
100k
PWRGDA
PWRGDB
AUXENA
AUXENB
FAULTA
FAULTB
SDA
SCL
INT
10k x 3
ONA
ONB
V STBY
100k
SYSTEM
POWER
SUPPLY
9
100k
VSTBY
VSTBY
+3.3V
+12V
V STBY
V STBY
C1
C2
10k x 4
10k x 4
35
28
38
45
42
44
43
31
36
41
40
39
37
47
48
2
9
4
6
1
0.1µF
SDA
SCL
INT
CFILTERA
CFILTERB
FORCE_ONA
FORCE_ONB
GPI_A0
GPI_B0
AUXENA
AUXENB
ONA
ONB
PWRGDA
PWRGDB
FAULTA
FAULTB
A0
A1
A2
INT
SCL
SDA
VSTBYA
MANAGEMENT
CONTROLLER
11
ISL6112
VSTBYB
ISL6112
26
12VSENSEA
12VSENSEB
3VSENSEA
3VSENSEB
12VGATEA
12VGATEB
0.1µF
3VGATEA
3VGATEB
12VOUTA
12VOUTB
3VOUTA
3VOUTB
VAUXA
12VINA
12VINB
VAUXB
3VINA
3VINB
GND
GND
GND
#CGD
6800pF
# C
15
5
8
3
10
12
13
14
16
32
29
34
27
25
24
23
21
22
17
33
46
#CGS
22nF
22nF
#CGS
GATE
22nF
# These components are not required for ISL6112
• Bold lines indicate high current paths
^ R
* Values for R
0.1µF
0.1µF
0.1µF
operation but can be implemented for GATE output
slew rate control (application specific)
depending upon the C
0.1µF
SENSE
*R3VGATEA
*R12VGATEA
*R12VGATEB
# CGD
6800pF
15Ω
15Ω
value is application specific
#CGATE
22nF
15Ω
*R3VGATEB
12VGATE
15Ω
and R
GS
of the external MOSFETs.
3VGATE
RSENSE^
0.015Ω
RSENSE^
0.015Ω
RSENSE^
RSENSE^
PCI-EXPRESS CONNECTOR
PCI-EXPRESS CONNECTOR
may vary
PCI
EXPRESS
BUS
3.3AUX
375mA
12V
2.1A (x4/x8)
3.3V
3.0A
12V
2.1A (x4/x8)
3.3V
3.0A
3.3AUX
375mA
PCI
EXPRESS
DATA BUS
September 28, 2007
FN6456.0