PLX Technology PEX 8624-AA RDK, Hardware Reference Manual

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5
5
4
4
3
3
2
2
1
1
D D
C C
B B
A A
PWRGD_10
E1_10
E2_10
U1_10
O1_10
U2_10
O2_10
PWRGD2_10
TRIM_11
TRIM_12
VO_13
CTR_12
DR_14
DR_13
DR_12
DR_15
DR_16
ST1_10
ST2_10
ST3_10
ST4_10
NORMAL#/DEBUG NORMAL#/DEBUG
3.3VCC
3.3VCC
1.0VCC 2.5VCC
3.3VCC
12V_A
5V_A
3.3V_A
12VCC
1.0VCC
1.0VCC 2.5VCC
2.5VCC
3.3VCC
12VCC
5V_A
12V_A
3.3VCC
3.3V_A
3.3VCC
3.3VCC
5V_A
12V_A 3.3V_A
NORMAL#/DEBUG {5,8}
Title
Size Document Number Rev
Date: Sheet of
91-0080-000-A 4
PLX TECHNOLOGY, INC.
870 W Maude Ave, Sunnyvale, CA 94085
B
7 9 Friday, March 26, 2010
www.plxtech.com
Title
Size Document Number Rev
Date: Sheet of
91-0080-000-A 4
PLX TECHNOLOGY, INC.
870 W Maude Ave, Sunnyvale, CA 94085
B
7 9 Friday, March 26, 2010
www.plxtech.com
Title
Size Document Number Rev
Date: Sheet of
91-0080-000-A 4
PLX TECHNOLOGY, INC.
870 W Maude Ave, Sunnyvale, CA 94085
B
7 9 Friday, March 26, 2010
www.plxtech.com
POWER AND VOLTAGE MONITOR
PEX8624RDK
PEX8624 VOLTAGE MONITOR CIRCUIT
R73 is not loaded
ATX HD POWER CONNECTOR
POWER FOR SLOT 1 & SLOT 2
5V-TO-3.3V DC/DC CONVERTER
Trim up
12V-TO-1.0V DC/DC CONVERTER 3.3V-TO-2.5V LDO
POWER INDICATOR LEDS
10A
4A
6A
1A 8A
D10 is green: 2.5VCC is within the 10% range
D10 is red: 2.5VCC is out of range
D11 is green: 1.0VCC is within the 10% range
D11 is red: 1.0VCC is out of range
R99 is not loaded
A trace connects
pin 1&2 of JP3
Trim up
SW4 SETTINGS:
1: OFF
2: ON
C75
1uF
C75
1uF
BJ1
red
BJ1
red
1
D13
GREEN
D13
GREEN
2 1
TV3 TV3
R71
390 R71
390
TV4 TV4
U12
S7AH-08E1A0
U12
S7AH-08E1A0
Vin
2
Vout
4
On/Off#
1
Gn
d
3
Trim
5
NC
6
NC
7
C81
10uF
C81
10uF
TV18 TV18
G R
D10
CMD15-22SRUGC
G R
D10
CMD15-22SRUGC
2
1
3
4
R73 NL R73 NL
R99 NL R99 NL
C87
0.1uF
C87
0.1uF
TV14 TV14
R75
37.4K 1%
R75
37.4K 1%
C82
1uF
C82
1uF
J1
53113-0410
J1
53113-0410
+12VDC
1
COM
2
COM
3
+5VDC
4
R98 150 R98 150
U11
S7AH-08E1A0
U11
S7AH-08E1A0
Vin
2
Vout
4
On/Off#
1
Gn
d
3
Trim
5
NC
6
NC
7
R64
464 1%
R64
464 1%
TV11 TV11
R67 4.7K R67 4.7K
R79 150 R79 150
C83
1uF
C83
1uF
R63
7.32K 1%
R63
7.32K 1%
R66 4.7K R66 4.7K
R70
390 R70
390
TV19 TV19
TV15 TV15
JP3 2-P JPR JP3 2-P JPR
1 2
+ C76
180uF
+ C76
180uF R74
1.30K, 1%
R74
1.30K, 1%
R69
390 R69
390
TV16 TV16
G R
D11
CMD15-22SRUGC
G R
D11
CMD15-22SRUGC
2
1
3
4
BJ2
black
BJ2
black
1
TV8 TV8
R68
390 R68
390
D14
GREEN
D14
GREEN
2 1
TV12 TV12
C84
10uF
C84
10uF
R77 1.2K R77 1.2K
D16
GREEN
D16
GREEN
2 1
+ C80
180uF
+ C80
180uF
R61 1.18K 1% R61 1.18K 1%
RN3
4.7K
RN3
4.7K
1
2
3
4 5
6
7
8
U10
ISL6132
U10
ISL6132
VDD
23
GN
D
10
EN1
1
EN2
11
UVMON_1
20
OVMON_1
12
UVMON_2
17
OVMON_2
14
UVSTATUS_1
2
OVSTATUS_1
5
UVSTATUS_2
6
OVSTATUS_2
7
PGOOD
24
PGOOD2
9
NC
13
NC
15
NC
16
NC
18
NC
19
NC
21
NC
22
NC
3
NC
4
NC
8
U13
MIC37100
U13
MIC37100
VIN
1
VOUT
3
GN
D
2
TA
B
4
C73
1uF
C73
1uF
R65
2.32K 1%
R65
2.32K 1%
R60
3.09K 1%
R60
3.09K 1%
D12
GREEN
D12
GREEN
2 1
R123
4.7K
R123
4.7K
TV17 TV17
D15
GREEN
D15
GREEN
2 1
R62 5.76K 1% R62 5.76K 1%
TV13 TV13
TV6 TV6
TV9 TV9
TV5 TV5
ON
SW4
SW DIP-2
ON
SW4
SW DIP-2
1
2
4
3
TV2 TV2
BJ3
red
BJ3
red
1
+ C74
22uF
+ C74
22uF
C78
10uF
C78
10uF
TV10 TV10
TV7 TV7
C77
1uF
C77
1uF
R78 360 R78 360
+
C72
22uF
+
C72
22uF
C79
1uF C79
1uF
TV1 TV1
R76 1.2K R76 1.2K