5
SCHEMATIC DIAGRAM
5
5
4
4
3
3
2
2
1
1
D
D
C
C
B
B
A
A
48M
H
Z
USB5
V
VCC
USB5
V
VCC
USB5
V
USB5V
USB_W
R
_CLK#
PI
C_DB0
PI
C_DB4
PI
C_DB1
PI
C_DB2
PI
C_DB3
PI
C_DB6
USB_RD_CLK#
PI
C_DB7
USB_
RXF#
USB_TXE#
PI
C_DB5
SIZE
DATE:
IC
NO.
REV.
SH
EET
O
F
TI
TLE:
AP
P
R
OV
ALS
PC
B
D
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AP
P
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NG
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ax:
(408)434-0507
M
ilp
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as,
C
A
95035
Phone:
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1630
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SCALE =
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www.linear
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N/A
DEMO
CIRCUIT
1613A
2
01
02
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1
lir
p
A
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a
d
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M
4
I2C / SMBUS / PMBUS
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ONTROLLER
KT
LE
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2
SIZE
DATE:
IC
NO.
REV.
SH
EET
O
F
TI
TLE:
AP
P
R
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ALS
PC
B
D
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NG
.
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CHNO
L
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F
ax:
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M
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as,
C
A
95035
Phone:
(408)432-1900
1630
M
cC
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B
lvd
.
LTC
C
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tial-For
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st
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nly
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NOTICE
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SCALE =
NONE
www.linear
.com
N/A
DEMO
CIRCUIT
1613A
2
01
02
,9
1
lir
p
A
,y
a
d
n
o
M
4
I2C / SMBUS / PMBUS
C
ONTROLLER
KT
LE
O
C
.
2
SIZE
DATE:
IC
NO.
REV.
SH
EET
O
F
TI
TLE:
AP
P
R
OV
ALS
PC
B
D
ES.
AP
P
E
NG
.
TE
CHNO
L
O
G
Y
F
ax:
(408)434-0507
M
ilp
it
as,
C
A
95035
Phone:
(408)432-1900
1630
M
cC
arthy
B
lvd
.
LTC
C
onf
id
en
tial-For
C
u
st
ome
r
U
se
O
nly
CUSTOMER
NOTICE
L
IN
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A
R
T
E
C
H
N
O
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A
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D
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A
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MEET
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L
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ACT
L
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A
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N
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FOR
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C
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N
OLOGY
P
A
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.
SCALE =
NONE
www.linear
.com
N/A
DEMO
CIRCUIT
1613A
2
01
02
,9
1
lir
p
A
,y
a
d
n
o
M
4
I2C / SMBUS / PMBUS
C
ONTROLLER
KT
LE
O
C
.
2
C19 47pF
C19 47pF
C12 0.
1uF
C12 0.
1uF
C1
5
0.
1uF
C1
5
0.
1uF
R2
0
10k
R2
0
10k
R2
2
33.2
R2
2
33.2
C16 0.
1uF
C16 0.
1uF
U8 LTC6905C
S
5-96
U8 LTC6905C
S
5-96
GND
2
DIV
4
OUT
5
V+
1
SET
3
C9 0.
1uF
C9 0.
1uF
J2
USB-
B
MIL
L
-M
AX
J2
USB-
B
MIL
L
-M
AX
1
1
4
4
3
3
2
2
5
5
6
6
C1
4
0.
01uF
C1
4
0.
01uF
U7
93LC46BT-I
/O
T
U7
93LC46BT-I
/O
T
CS
5
DO
1
VSS
2
DI
3
CLK
4
VCC
6
R21 10k
R21 10k
R2
4
10k
R2
4
10k
R1
4
475
R1
4
475
R18 22.
1
R18 22.
1
C1
0
10
u
F
,6
.3
V
0805
C1
0
10
u
F
,6
.3
V
0805
C18 47pF
C18 47pF
U6
FT245B
L
U6
FT245B
L
USBDP
7
RSTOUT
5
RST
4
3V3O
UT
6
USBDM
8
D4
21
D3
22
D2
23
D1
24
D0
25
VCC
26
VCC
3
AVCC
30
XTI
N
27
XTOUT
28
EECS
32
EESK
1
EEDATA
2
TEST
31
D5
20
D6
19
D7
18
GND
17
RD
16
WR
15
VIO
13
TXE
14
RXF
12
S
I/W
U
11
PW
REN
10
GND
9
AGND
29
C1
1
0.
1uF
C1
1
0.
1uF
JP4
EE
EN
DIS
H
D
1X3-079
JP4
EE
EN
DIS
H
D
1X3-079
1
3
2
C1
7
0.
1uF
C1
7
0.
1uF
R6
9
0
1206
R6
9
0
1206
R25 2.
21k
R25 2.
21k
R19 1.
5k
R19 1.
5k
C1
3
0.
1uF
C1
3
0.
1uF
R2
3
1k
R2
3
1k
R26 10k
R26 10k
R1
7
22.
1
R1
7
22.
1