NXP Semi
conductor
s
Designing a
Hi-Spe
ed US
B hos
t PCI adapter using
ISP1562/63
AN10050
Applic
atio
n n
o
te
A
N10
050
_
4
Rev. 04 —
1 No
vember
2007
12 of 1
8
© NX
P
B.
V. 2
007.
A
ll r
igh
ts
r
es
er
v
ed.
DVAUX
R11
10 k
Ω
R12
10 k
Ω
10 k
Ω
R9
R10
10 k
Ω
C39
0.1
μ
F
C40
0.1
μ
F
R13
10 k
Ω
10 k
Ω
R14
560
Ω
R21
PWE1#
PWE1#
OC1#
OC1#
OC2#
OC2#
PWE2#
PWE2#
U3
4
3
2
1
MIC2526
ENB#
FLGB#
FLGA#
ENA#
OUTB
GND
IN
OUTA
FB9
BLM31PG121SN1
FB10
BLM31PG121SN1
+5 V_Standby
C11
0.1
μ
F
C12
0.1 nF
+ C13
100
μ
F / 10 V
Optional
J1
1
2
3
+5 VBUS
C5
47
μ
F / 10 V
C7
0.1
μ
F
C6
100 pF
5
6
7
8
R20
560
Ω
LED
D2
C1
0.01
μ
F
C2
47
μ
F / 10 V
+
C3
1
nF
+
C4
22
μ
F / 10 V
C41
0.1
μ
F
+5 VBUS
FB8
BLM41PG600SN1
D1
LED
+5V_Standby
A
TT1
TT2
B
+5 V
C42
0.1
μ
F
C55
220
μ
F / 10 V
+
C43
1 nF
C
1
4
5
6
2
3
FB4
BLM18PG121SN1
VBUS
GND
SHIELD
SHIELD
D
−
D+
CON1
USB1
IP 4220CZ6
1
2
3
4
6
5
ESD1
DM1
DM1
DP1
DP2
R24
15 k
Ω
R25
15 k
Ω
DP1
C44
0.1
μ
F
C56
220
μ
F / 10 V
+
C45
1 nF
FB5
BLM18PG121SN1
VBUS
GND
SHIELD
SHIELD
D
−
D+
CON2
USB2
1
4
6
2
3
5
1
2
3
4
5
6
IP 4220CZ6
ESD2
R26
15 k
Ω
R27
15 k
Ω
DM2
DM2
DP2
Bracket holes
SW1
SOCKET
SW2
SOCKET
+
DVAUX
Fig 4. ISP1562 eval board schematic – port power control and ESD protection