DC590B - Schematic

5
4
3
2
1
RB5/CS
D
R3
10K
3 SET
DIV 4
R4
22.1
R6
22.1
C5
0.1
R7
14K
R10
102K
R8
10K
R9
10K
SYSTEM_RST#
VCCA 3
EN
DIS
JP3
WD
7 WT
RST 6
WDI 5
RE0/BOARD_DETECT
27 RE2/CS
26 RE1/WR
25 RE0/RD
VSS
8 RT
U3
LTC1726EMS8-2.5
RX/RC7
TX/RC6
MOSI/RC5
MISO/RC4
SCK/RC3
RC2
18 MCLR
RC1
RC0
2
3
Q1
MMBT3904
RD7
RD6
RD5
RD4
RD3
RD2
RD1
RD0
+
24
23
22
21
20
19
RA5/LCD_EN
RA4/ISO_PWR_SHDN/
USB_TXE#
USB_WR_CLK
USB_RXF#
USB_RD_CLK#
17
16
15
14
11
10
9
8
RB7
RB6
RB5/CS
RB4
RB3
RB2
RB1
RB0
1
44
43
42
37
36
35
32
RC7/RX
RC6/TX
RC5/MOSI/SDAO
RC4/MISO/SDAI
RC3/SCK/SCI
RC2
RC1
RC0
5
4
3
2
41
40
39
38
PIC_DB7
PIC_DB6
PIC_DB5
PIC_DB4
PIC_DB3
PIC_DB2
PIC_DB1
PIC_DB0
PROG
JP1
HD2X3-079
5
6
3
4
1
2
R5
1.5K
R1
49.9K
RC5/MOSI/SDAO
RC4/MISO/SDAI
RC3/SCK/SCI
COMMAND
LED1
LTST-C190KGKT
(LITE-ON)
GRN
3
2
1
5
R21
10K
VCC
1
2
3
VCC
MODE
JP2
HD2X3-079
5
6
3
4
1
2
J1
R14
22.1
VCC
+
-
VCC
RC2
LED2
GRN
R11
475
+
-
C
VCC
RC1
LED3
GRN
R12
475
+
-
RC0
LED4
GRN
R13
475
CW
B
VR1
10K
2
VCC C9
0.1
R17
22.1
SYS_10MHZ
10M
VCC
J2
3
GND
CONTRAST
4
LED2-LED4
LTST-C190KGKT
(LITE-ON)
VCC
USB_RD_CLK#
2
10M
PIC_DB7
PIC_DB6
PIC_DB5
PIC_DB4
PIC_DB3
PIC_DB2
PIC_DB1
PIC_DB0
RB2
RB1
RB0
RC7/RX
RC6/TX
RC5/MOSI/SDAO
RC4/MISO/SDAI
RC3/SCK/SCI
RC2
RC1
RC0
1
2
4
3
6
5
8
7
9 10
11 12
13 14
15 16
17 18
19 20
21 22
23 24
25 26
27 28
29 30
31 32
33 34
35 36
37 38
39 40
HD2X20-100
OPT
1
D 2
CLK 3
USB_TXE#
USB_WR_CLK
USB_RXF#
USB_RD_CLK#
RE2/I2C-SPI#
RE1/AUX-MAIN#
RE0/BOARD_DETECT
3
PRE 4
VCC 14
5 Q
6 Q
4
U4
NC7SP17P5X
5
7
VCC
13
CLR
D 12
USB_RXF#
CLK 11
CLR
9 Q
8 Q
2
1
U5B
74HC74PW
7
Q2
2N7002
1
B
GND
3
PRE 10
VCC 14
U5A
74HC74PW
2
D
RA4/ISO_PWR_SHDN/
USB_RXF#
VCC C8
0.1
VCC
OPT
PIC_DB7
PIC_DB6
PIC_DB5
PIC_DB4
PIC_DB3
PIC_DB2
PIC_DB1
PIC_DB0
R2
475
4
C7
100PF
GND
C6
2200PF
RE1/AUX-MAIN#
RA5
RA4
RA3
RA2
RA1
RA0
PGD/RB7
PGC/RB6
RB5
RB4
RB3
31 OSCOUT
RB2
RB1
INT/RB0
6
C
RE2/I2C-SPI#
1
VCC25 2
VCC3 1
SW1
EVQPPDA25
1
2
U1
PIC16LF877A-I/PT
30 OSCIN
VCC
C4
0.1
C2
0.1
VCC
29
C3
0.1
1 V+ OUT 5
2 GND
C1
0.1
VSS
U2
LTC1799CS5
VCC
VDD 28
VDD 7
VPIC
R15
1.5K
PIC_DB1
R18
1.5K
PIC_DB4
PIC_DB6
1
2
3
4
5
6
8
7
9 10
11 12
13 14
HD2X7-100
OPT
R16
1.5K
PIC_DB5
PIC_DB7
R19
1.5K
3
U6
NC7SP17P5X
PIC_DB0
RA5/LCD_EN
CUSTOMER NOTICE
NOTES: UNLESS OTHERWISE SPECIFIED
A
1. ALL RESISTORS ARE IN OHMS, 0402.
ALL CAPACITORS ARE IN MICROFARADS, 0402.
2. INSTALL SHUNTS ON JP5 (1&2), JP6 (3&4) AS SHOWN.
LINEAR TECHNOLOGY HAS MADE A BEST EFFORT TO DESIGN A
CIRCUIT THAT MEETS CUSTOMER-SUPPLIED SPECIFICATIONS;
HOWEVER, IT REMAINS THE CUSTOMER'S RESPONSIBILITY TO
VERIFY PROPER AND RELIABLE OPERATION IN THE ACTUAL
APPLICATION. COMPONENT SUBSTITUTION AND PRINTED
CIRUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT
PERFORMANCE OR RELIABILITY. CONTACT LINEAR
TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE.
CONTRACT NO.
APPROVALS
DRAWN:
TITLE: SCHEMATIC
CHECKED:
4
3
USB SERIAL CONTROLLER II
APPROVED:
ENGINEER: MARK T.
DESIGNER:
SIZE
A
THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND
SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS.
5
TECHNOLOGY
KIM T.
1630 McCarthy Blvd.
Milpitas, CA 95035
Phone: (408)432-1900
Fax: (408)434-0507
LTC Confidential-For Customer Use Only
DATE:
2
DWG NO.
REV
DC590B-2
Wednesday, July 26, 2006
B-2
SHEET
1
1 OF 3
A
5
4
3
R20 VCC
475
C10
0.1
C11
10,6.3V
0805
C14
0.1
18
19
20
21
22
23
24
25
USB_RD_CLK#
USB_WR_CLK
USB_TXE#
USB_RXF#
16
15
14
12
R29
22.1
R30
10K
RD#
WR
TXE#
RXF#
AGND
C
29
U9
LTC6905CS5-96
C43
47PF
R25
1.5K
C16
0.1
1
C44
47PF
1
2
3
4
USB-B
MILL-MAX
USB5V
2
R27
10K
U8
93LC46BT-I/OT
6
31
6 VCC
5 CS
C17
0.1
4 CLK
R33
10K
DO 1
VSS 2
R32
2.21K
DI 3
1
EN
2
3
DIS
HD1X3-079
HD1X2-079
2
0805
U12
LTC4210-1CS6
C27
0.1
2
1 CT
VSEN 5
GND
6 VCC
3 ON
1 VIN
2 GND
3 SHDN
1
C21
10,6.3V
0805
C26
0.1
3
OUT 5
BYP 4
2
R36
100
VCC
R40
100
USB5V
GND
VCC
NOTES: UNLESS OTHERWISE SPECIFIED
E3
R38
16.9K
U11
LT3439EFE
COLA 3
COLB 14
5
RSL 4
1. ALL RESISTORS ARE IN OHMS, 0402.
ALL CAPACITORS ARE IN MICROFARADS, 0402.
2. INSTALL SHUNTS ON JP5 (1&2), JP6 (3&4) AS SHOWN.
6
4
8
3
1
1
3
1
3
R39
10K
B
V+
V+
C23
0.1
C24
10,6.3V
0805
2
D2
BAT54S
C29
2.2NF,1000V
1206
CUSTOMER NOTICE
LINEAR TECHNOLOGY HAS MADE A BEST EFFORT TO DESIGN A
CIRCUIT THAT MEETS CUSTOMER-SUPPLIED SPECIFICATIONS;
HOWEVER, IT REMAINS THE CUSTOMER'S RESPONSIBILITY TO
VERIFY PROPER AND RELIABLE OPERATION IN THE ACTUAL
APPLICATION. COMPONENT SUBSTITUTION AND PRINTED
CIRUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT
PERFORMANCE OR RELIABILITY. CONTACT LINEAR
TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE.
CONTRACT NO.
APPROVALS
DRAWN:
3
TECHNOLOGY
KIM T.
1630 McCarthy Blvd.
Milpitas, CA 95035
Phone: (408)432-1900
Fax: (408)434-0507
LTC Confidential-For Customer Use Only
TITLE: SCHEMATIC
CHECKED:
APPROVED:
ENGINEER: MARK T.
DESIGNER:
SIZE
A
THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND
SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS.
5
D1
V+
BAT54S
2
T1
PA0510
4
JP5
5VSW
HD2X3-079
1
2
3
4
5
6
SW
ISO
5VSW
E2
6 CT
7 RT
R37
100
C25
330PF
OFF
A
11 SHDN
5 SYNC
CG 4
ON
5VSW
3
R35
10K
C22
0.01
C42
10,6.3V
0805
C28
0.01
E1
VPIC
GND
GND
B
Q5
2N7002
1
RSENSE
0.1 OHM
U10
LT1761ES5-3.3
Q4
Si2316DS
ISOLATED
C20
100,6.3V
1210
VIN 13
C19
0.1
PGND
PGND
VCC
JP7
OPT
16
1
5VSW
NON-ISOLATED
10
17
3 SET DIV 4
USB5V
C
JP4
EE
1 V+ OUT 5
2 GND
RA4/ISO_PWR_SHDN/
1
2
3
4
R24
22.1
RSTOUT# 5
EECS 32
27 XTIN
EESK
28 XTOUT EEDATA
11 SI/WU
10 PWREN# 3V3OUT
4 RST#
TEST
R31
10K
USB5V
C18
0.1
USBDM 8
USBDP 7
D
J3
R23
22.1
GND
GND
48MHZ
VCC
D7
D6
D5
D4
D3
D2
D1
D0
C15 USB5V
0.1
U7
FT245BM
9
17
R28
10K
VCC 326
VCC
VCCIO 13
PIC_DB7
PIC_DB6
PIC_DB5
PIC_DB4
PIC_DB3
PIC_DB2
PIC_DB1
PIC_DB0
AVCC 30
D
1
USB5V
C13
0.1
C12
0.1
2
DATE:
2
USB SERIAL CONTROLLER II
DWG NO.
DC590B-2
Wednesday, July 26, 2006
SHEET
1
REV
B-2
2 OF 3
A
2
VCCA
5V TO VCCA TRANSLATION
U13A
74VHC125MTC
+5V
R51
1.5K
R52
1.5K
1 A1
2 C1
RE2/I2C-SPI#
3 A2
4 C2
RE1/AUX-MAIN#
R55
4.99K
COL2 6
E2 5
6 SHDN
5 OUT
+5V
R56
1.5K
-IN 1
V- 2
4 V+
+IN 3
+5V
C34
0.1
R58
1.5K
C37
0.1
RE0/BOARD_DETECT
SPARE
8 COL1
7 E1
6 COL2
5 E2
R62
1.5K
A1 1
C1 2
A2 3
C2 4
U17A
74VHC125MTC
3
R22
12
14
15
11
7
U18
LTC4302CMS-2
R57
49.9K
V+
1
5
2
4
6
10
9
NOTES: UNLESS OTHERWISE SPECIFIED
1. ALL RESISTORS ARE IN OHMS, 0402.
ALL CAPACITORS ARE IN MICROFARADS, 0402.
2. INSTALL SHUNTS ON JP5 (1&2), JP6 (3&4) AS SHOWN.
SDAIN SDAOUT 10
SCLIN SCLOUT 98
VCC
CONN
ADDR
VCC2 7
GND
GPIO1 6
3 SHDN
V+
6
4
2
JP6
VCCIO
+5V
R26
6.34K
R63
10K
OUT 5
BYP 4
C39
0.01
5 EXT
3 5V
1 3.3V
3 SHDN
R59
1.5K
C40
10,6.3V
0805
U22
LT1761ES5-SD
1 IN
2 GND
R34
100
+5V
B
+
-
ISO PWR
LED5
LTST-C190KGKT
(LITE-ON)
GRN
VCCA
OUT 5
R64
49.9K
ADJ 4
R65
26.7K
HD2X3-079
R66
102K
R67
41.2K
REMOVE=2.7V
LINEAR TECHNOLOGY HAS MADE A BEST EFFORT TO DESIGN A
CIRCUIT THAT MEETS CUSTOMER-SUPPLIED SPECIFICATIONS;
HOWEVER, IT REMAINS THE CUSTOMER'S RESPONSIBILITY TO
VERIFY PROPER AND RELIABLE OPERATION IN THE ACTUAL
APPLICATION. COMPONENT SUBSTITUTION AND PRINTED
CIRUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT
PERFORMANCE OR RELIABILITY. CONTACT LINEAR
TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE.
CONTRACT NO.
APPROVALS
DRAWN:
3
C
I2C ADDR:
4302 @ O x CO
EE @ O x AO
R54
4.99K
+5V
VCCA
U21
LT1761ES5-5
1 VIN
2 GND
C38
10,6.3V
0805
TECHNOLOGY
KIM T.
C41
10,6.3V
0805
1630 McCarthy Blvd.
Milpitas, CA 95035
Phone: (408)432-1900
Fax: (408)434-0507
LTC Confidential-For Customer Use Only
TITLE: SCHEMATIC
CHECKED:
APPROVED:
ENGINEER: MARK T.
DESIGNER:
SIZE
A
THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND
SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS.
4
R53
4.99K
VEE 7
CUSTOMER NOTICE
5
1
2
3
4
5
+5V
+5V
1.5K ISO_SPARE
A
EEVCC
EESDA
EESCL
EEGND
NC
R68
10K
2
D
AGND
VCCA VCCA
U17C
74VHC125MTC
8
VCCA
10
9
11
12
14
+5V
AUX I2C LINES ARE PULLED LOW TO
FACILITATE BOARD DETECTION
(PULL UP ON STAMP BOARD)
(5K PULL UPS ARE ON STAMP BOARD)
8
U23
MOCD207M
AC
U17B
74VHC125MTC
6
14
R61
4.99K
ISO_CS
ISO_SCK/SCL
ISO_SDA/MOSI
MISO
AUX_SDA
AUX_SCL
1
7
R60
4.99K
+5V
7
VCC
GND
13
14
U17D
74VHC125MTC
12
X0
X1
X2
X3
Y0
Y1
Y2
Y3
INH
A
B
B
11
9
U20
74VHC4052MTC
13 X
3 Y
+5V
C35
0.1
+5V
1 V+
2 5V
6 CS
4 SCK/SCL
7 MOSI/SDA
5 MISO
V+
VCCA
SCK MOSI MISO
R49
49.9K
VCCA
U19
LT1719CS6
CS
R42
4.99K
U13C
74VHC125MTC
8
5
C36
0.1
VCC
7
R48
10K
LOW=MAIN, HI=AUX
LOW=SPI, HI=I2C
+5V
COL1 8
E1 7
VCCA
14
4
7
VEE 7
R50
4.99K
U16
MOCD207M
+5V R47
10K
E7
VCCA
J4
HD2X7-079-MOLEX
AD
R43 R44 R45 R46
10K 10K 10K 10K
+5V
V+
R41
4.99K
U13B
74VHC125MTC
7
VCC
9
14
10
VCC
1
5
2
4
6
10
9
Y0
Y1
Y2
Y3
INH
A
B
E6
11
14
10
3 Y
12
14
15
11
X0
X1
X2
X3
U13D
74VHC125MTC
12
6
14
4
13 X
8
C
5
U15
74VHC4052MTC
16
15
14
13
12
11
10
9
VCCA
7
VDD2
GND2
OUT1
OUT2
OUT3
IN4
NC
GND2
GND
VDD1
GND1
IN1
IN2
IN3
OUT4
NC
GND1
C31 +5V
0.1
C33
0.1
VCC 16
1
2
3
4
5
6
7
8
RB5/CS
RC3/SCK/SCI
RC5/MOSI/SDAO
RC4/MISO/SDAI
+5V
U14
HCPL-092J
VCC 16
VCC
C32
0.1
SPI MODE - EN/ PULLED LOW, DATA TO INPUT
I2C MODE - INPUT PULLED LOW, DATA TO EN/
E5
VCCA
3
7
1
VHC125 LOGIC:
D
E4
V+
VCCA
14
13
2
1
QUICKEVAL CONNECTOR
C30
0.1
ISOLATED
14
NON-ISOLATED
3
GND
GND
GND
4
3
8
13
5
DATE:
2
USB SERIAL CONTROLLER II
DWG NO.
DC590B-2
Wednesday, July 26, 2006
SHEET
1
REV
B-2
3 OF 3
A
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