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UM10
572
Al
l i
n
for
m
at
ion
pr
ovi
ded
in
this
do
cum
ent i
s
sub
jec
t to
leg
a
l d
is
c
la
im
er
s.
©
NXP
B.V
. 2012.
Al
l r
ig
h
ts
re
s
e
rv
ed.
User m
anu
al
Rev
. 1 — 7 Ju
ne 2
012
7 o
f 16
N
X
P Semi
conductor
s
UM10572
PCA9
95
5
demon
str
at
ion
b
oard
OM13
330
6. Schematic
Fig 4.
PCA9955 demo board schematic
019aac728
1
2
3
4
5
A0
A1
A3
A2
A0
A1
A3/OE
A2
REXT
PCA9952TW, PCA9955TW, PCU9955TW
6
7
8
9
LED0
LED1
LED3
LED2
LED0
LED1
LED3
LED2
10
11
12
GND
LED5
LED4
V
SS
LED5
LED4
13
14
LED6
LED7
LED6
LED7
U1
28
27
26
25
24
GND
RESET
SDA/USDA
SCL/USCL
V
SS
RESET
V
DD
23
22
21
20
LED15
LED14
LED12
LED13
LED15
LED14
LED12
LED13
19
18
17
GND
LED10
LED11
V
SS
LED10
LED11
16
15
LED9
LED8
LED9
LED8
R10
R11
0 Ω
0 Ω
R9
2.8 kΩ
(ISET max = 20.4 mA)
SW1
SW DIP-4/SM
R1
10 kΩ
R2
10 kΩ
R3
10 kΩ
R4
10 kΩ
VDD_IN
(output enable
for PCA9952)
TP1
1
R5
100 Ω
R6
100 Ω
R13
100 Ω
R14
100 Ω
SDA_USDA filter
SCL_USCL filter
do not populate
R7
10 kΩ
1
2
3
J1
+3.3 V
+5 V
VDD_IN
R8
10 Ω
C2
0.1 μF
C3
4.7 μF
U
varistor 8 V
RV1
R12
1 kΩ
D1
LTST-C170KGKT
1
2
3
+24 V
SDA_USDA_1
+5 V
4
5
SCL_USCL_1
GND
J3
C1
10 μF
CONN TRBLK-5
5-pin connector to/from PCU9669 UFm
I2C master board to drive PCU9955 or
to/from another I2C slave PCA/PCU9955
demo board
1
2
3
+5 V
+3.3 V
4
5
SCL_USCL_1
J4
C6
10 μF
CON9-female
6
7
SDA_USDA_1
GND
8
9
RESET
C7
10 μF
9-pin connector to/from I2C 2005-1
demo board for PCA9952/PCA9955
3
2
1
J6
1
GND
2
I/O1
4
V
CC
3
I/O2
U2
close to 5-pin connector J3
PRTR5V0U2AX
C25
0.01 μF
+5 V
L1
BLM18BD471SN1
SDA_USDA_1
SDA_USDA-filter
L2
BLM18BD471SN1
SCL_USCL_1
SCL_USCL-filter
(470 Ω at 100 MHz)
3
2
1
J8
1
GND
2
I/O1
4
V
CC
3
I/O2
U3
close to 5-pin connector J5
PRTR5V0U2AX
C26
0.01 μF
+5 V
L3
BLM18BD471SN1
SDA_USDA_2
SDA_USDA-filter
L4
BLM18BD471SN1
SCL_USCL_2
SCL_USCL-filter
(470 Ω at 100 MHz)
C9
0.1 nF
C10
0.1 nF
C11
0.1 nF
C12
0.1 nF
C13
0.1 nF
C14
0.1 nF
C15
0.1 nF
C16
0.1 nF
C17
0.1 nF
C18
0.1 nF
C19
0.1 nF
C20
0.1 nF
C21
0.1 nF
C22
0.1 nF
C23
0.1 nF
C24
0.1 nF
D2
LED0
LW-E67C-white
+5 V
A1
C2
A2
C1
C3
A3
D3 LED[1:3]
LRTB_G6SG
D4
LED4
LW-E67C-white
R15
0 Ω
R16
0 Ω
R17
0 Ω
R18
0 Ω
LED0
LED1
LED2
LED3
R19
0 Ω
R20
0 Ω
R21
0 Ω
LED4
LED5
LED6
R22
0 Ω
R23
0 Ω
R24
0 Ω
LED7
LED8
LED9
R25
0 Ω
R26
0 Ω
R27
0 Ω
LED10
LED11
LED12
R28
0 Ω
R29
0 Ω
R30
0 Ω
LED13
LED14
LED15
A1
C2
A2
C1
C3
A3
D5 LED[5:7]
LRTB_G6SG
D6
LED8
LW-E67C-white
A1
C2
A2
C1
C3
A3
D7
LED[9:11]
LRTB_G6SG
D9
LED12
LW-E67C-white
A1
C2
A2
C1
C3
A3
D8 LED[13:15]
LRTB_G6SG
3
2
1
J7
GND
GND
GND
1
2
3
+24 V
SDA_USDA_2
+5 V
4
5
SCL_USCL_2
GND
J5
C8
10 μF
CONN TRBLK-5
5-pin connector to/from PCU9669 UFm
I2C master board to drive PCU9955 or
to/from another I2C slave PCA/PCU9955
demo board
1
3
5
7
9
11
13
2
4
SCL_USCL_2
(VP) VDO_IN
6
8
10
GND
SDA_USDA_2
12
14
+5 V
J2
GND
+3.3 V
C4
10 μF
VP supplies the
power to the I2C
pull-up resistors
on WIN-I2CUSB
C5
10 μF
14-pin connector to/from
WIN-I2CUSB Fm+ I2C master
to drive PCA9952/PCA9955
HEADER 7x2/SM
I2CUSB CONNECTOR
A
VR-M1608C080M