5
5
4
4
3
3
2
2
1
1
D
D
C
C
B
B
A
A
HP_SLOTCTL
PWREN
VREG
12VG
3VG
12VSENSE
IS1
3VSENSE
IS2
TMR
HPFLTN
VDDEARLY_3.3V
VDDHP_3.3V
VDD_3.3V
VDD_3.3V
VDD_3.3V
VDD_3.3V
VDD_3.3V
VDD_3.3V
VDDHP_3.3V
VDDHP_12V
VDD_3.3V
VDD_3.3V
VDD_12V
VDDHP_12V
VDD_3.3V
VDDEARLY_3.3V
HP_PWRENN3
{3}
HP_BUTTONN3 {3}
HP_PWRFLTN3 {3}
HP_MRLN3
{3}
HP_PWRLEDN3 {3}
HP_ATNLEDN3 {3}
HP_PERSTN3
{3}
PERSTN
{4,5,6,8,9}
PERSTN3
{6}
HP_CLKENN3
{3}
CLKENN3
{8}
Title
Size
Document Number
Rev
Date:
Sheet
of
91-0071-004-A
004
PEX8509RDK - Hot Plug Circuitry
PLX Technology, Inc.
870 Maude Avenue
Sunnyvale, CA 94085
www.plxtech.com
C
7
9
Thursday, June 14, 2007
Title
Size
Document Number
Rev
Date:
Sheet
of
91-0071-004-A
004
PEX8509RDK - Hot Plug Circuitry
PLX Technology, Inc.
870 Maude Avenue
Sunnyvale, CA 94085
www.plxtech.com
C
7
9
Thursday, June 14, 2007
Title
Size
Document Number
Rev
Date:
Sheet
of
91-0071-004-A
004
PEX8509RDK - Hot Plug Circuitry
PLX Technology, Inc.
870 Maude Avenue
Sunnyvale, CA 94085
www.plxtech.com
C
7
9
Thursday, June 14, 2007
HOT PLUG CIRCUIT
PLACE D10 AND D11 NEAR J4.
R43
2K
R43
2K
D
5
D
6
D
7
D
8
S
1
S
2
S
3
G
4
Q1
N-MOS
Q1
N-MOS
2
1
D12
Green
D12
Green
R50
5.1K
R50
5.1K
B2
1
GND
2
B1
3
A
4
VCC
5
S
6
U6
SN74LVC1G3157
U6
SN74LVC1G3157
2
1
D13
Yellow
D13
Yellow
C58
0.1uF
C58
0.1uF
D
5
D
6
D
7
D
8
S
1
S
2
S
3
G
4
Q2
N-MOS
Q2
N-MOS
C59
0.1uF
C59
0.1uF
R52
150
R52
150
C57
0.1uF
C57
0.1uF
R49
5.1K
R49
5.1K
2
1
D11
Green
D11
Green
R47
5.1K
R47
5.1K
1
2
4
3
ON
SW4
SW SMT-2
ON
SW4
SW SMT-2
R54
5.1K
R54
5.1K
R46
0
R46
0
C60
0.1uF
C60
0.1uF
R41
150
R41
150
B2
1
GND
2
B1
3
A
4
VCC
5
S
6
U5
SN74LVC1G3157
U5
SN74LVC1G3157
R45
51K
R45
51K
R53
0
R53
0
R48
0.02 1%
R48
0.02 1%
2
1
D10
Green
D10
Green
R42
0.02 1%
R42
0.02 1%
R55
NL, 5.1K
R55
NL, 5.1K
1
3
SW5
SW PUSHBUTTON
SW5
SW PUSHBUTTON
R56
5.1K
R56
5.1K
B2
1
GND
2
B1
3
A
4
VCC
5
S
6
U7
SN74LVC1G3157
U7
SN74LVC1G3157
R51
150
R51
150
GATE1
1
GATE2
2
DGND
3
TIMER
4
AGND
8
DISCH1
20
DISCH2
19
ENABLE#
18
FAULT#
16
IN1
11
IN2
12
ISENSE1
10
ISENSE2
9
ISET1
15
ISET2
14
PWRGD1
17
PWRGD2
13
VREG
5
VSENSE1
7
VSENSE2
6
U4
TPS2310
U4
TPS2310
R44
2K
R44
2K
R40
1K 1%
R40
1K 1%
