DC1709A - Schematic

5
4
3
2
1
REVISION HISTORY
ECO
GND
TP13
7
8
TP1
ISNS0P
VDD33
ISNS0M
SHARE_CLK
DESCRIPTION
APPROVED
YI S.
PRODUCTION
DATE
3-30-12
VOUT1_CFG
VDD25
VTRIM1_CFG
30
29
28
R29
JP1
D
OFF
WP (Write Protect)
ON (3880)
10.0K
27
26
TP5
25
24
C16
0.1µ F
23
22
C14
0.1µ F
21
C17
4.7µ F
1206
TP4
C15
4.7µ F
1206
CHP33
CHP25
20
19
FREQ_CFG
18
17
ASEL
16
RUN1
15
14
RUN0
GPIO1B
GPIO0B
12
13
ALERTb
SDA
VTRIM0_CFG
WP
VOUT0_CFG
SYNC
SCL
3
31
32
BG1
33
34
PGND
INTVCC
36
37
38
35
VIN
BG0
BOOST0
BOOST1
ITH1
LTC3880EUJ
11
TP2
GPIO0B
VSENSE1
SKT1
ITH0
6
ALBERTb
39
TSENSE1
ISNS1M
5
10
SW1
ISNS1P
4
SDA
TG1
VSENSE0M
3
SCL
SW0
VSENSE0P
2
9
TG0
40
41
GND
TSNS0
1
D
C
REV
__
C
LED1
RED LED
R21
1.00K
R20
10.0K
R19
1.00K
+3.3V
+5V
R27
PARTIN
Q3
TP0101K-T1-E3
ENB
5
3
1
R23 R25
10.0K 10.0K
SENSE
1. ALL RESISTORS ARE 0805
ALL CAPACITORS ARE 0603.
2. INSTALL SHUNTS AS SHOWN.
5
GATE
ON
3
LED2
PWRGD
C12
0.01µ F Opt.
8
GREEN LED
TP3
R28
C11
0.1µ F
1.00K
CUSTOMER NOTICE
3
CHPWR
C13
1.0µ F
1206
APPROVALS
LINEAR TECHNOLOGY HAS MADE A BEST EFFORT TO DESIGN A
CIRCUIT THAT MEETS CUSTOMER-SUPPLIED SPECIFICATIONS;
HOWEVER, IT REMAINS THE CUSTOMER'S RESPONSIBILITY TO PCB DES. SEAN M. / HZ
VERIFY PROPER AND RELIABLE OPERATION IN THE ACTUAL
APP ENG. YI S.
APPLICATION. COMPONENT SUBSTITUTION AND PRINTED
CIRCUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT
PERFORMANCE OR RELIABILITY. CONTACT LINEAR
TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE.
THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND
SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS.
4
B
1
2
5
6
Q5
SI1470DH-T1-E3
7
GATEP
R24
10.0K
NOTE: UNLESS OTHERWISE SPECIFIED
U3
LTC4361CTS8-2
IN
Q4
2N7002A
A
OUT
6
R26
10.0K
GND
Q2
TP0101K-T1-E3
PGND
TP6
2
0.499
R22
100K
4
B
4
Q1
TP0101K-T1-E3
TECHNOLOGY
TITLE: SCHEMATIC
LTC3880 PROGRAMMING BOARD
SIZE
N/A
SCALE = NONE
2
1630 McCarthy Blvd.
Milpitas, CA 95035
Phone: (408)432-1900 www.linear.com
Fax: (408)434-0507
LTC Confidential-For Customer Use Only
DATE:
IC NO.
REV.
LTC3880EUJ FAMILY
DEMO CIRCUIT 1709A
Tuesday, April 17, 2012
3
SHEET 1
1
OF 2
A
5
4
3
2
1
PARTIN
J1
TP9
1 Opt.
TP7
+3.3V
TO DC1427A
C
V+
3.3V
GND
SCK/SCL
MISO
CS
MOSI/SDA
GND
EESDA
EEVCC
EESCL
EEGND
GND
GPIO_1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
R30 1
C18
R31
10.0K
C20
0.1µ F
R33
10.0K
B
1
AUXP 2
SDA 3
GND 4
SCL 5
LGKPWR 6
ALERTB 7
GPIO_1
8
OUTEN 9
GPIO_2 10
GND 11
AUXSCL 12
AUXSDA
TP8
R34
TP11
1
C19
1.0µ F
TANT
U2
24LC025-I/SN
1
2
R39
3
1
4
A0
VCC
A1
WP
A2
SCL
VSS
SDA
R35
4.99K
8
SCL
SDA
5V
R36 R37
4.99K 4.99K
7
6
5
JP2
R38
NOTE: J1 AND J2 CONNECT TO RIBBON CABLES
OF I2C / SM BUS CONTROLLER (DONGLE)
OFF
EE WP
(Write Protect)
ON
ENB
B
1 Opt.
TP12
TECHNOLOGY
4
3
A
LTC3880 PROGRAMMING BOARD
N/A
SCALE = NONE
1630 McCarthy Blvd.
Milpitas, CA 95035
Phone: (408)432-1900 www.linear.com
Fax: (408)434-0507
LTC Confidential-For Customer Use Only
TITLE: SCHEMATIC
SIZE
THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND
SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS.
ENB
APPROVALS
LINEAR TECHNOLOGY HAS MADE A BEST EFFORT TO DESIGN A
CIRCUIT THAT MEETS CUSTOMER-SUPPLIED SPECIFICATIONS;
HOWEVER, IT REMAINS THE CUSTOMER'S RESPONSIBILITY TO PCB DES. SEAN M. / HZ
VERIFY PROPER AND RELIABLE OPERATION IN THE ACTUAL
APP ENG. YI S.
APPLICATION. COMPONENT SUBSTITUTION AND PRINTED
CIRCUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT
PERFORMANCE OR RELIABILITY. CONTACT LINEAR
TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE.
5
3.3V
C
CUSTOMER NOTICE
A
TP10
+5V
J2
D
TANT
SCL
SDA
+
TO DC1613A
PARTIN
1.0µ F
+
D
R32
DATE:
IC NO.
REV.
LTC3880EUJ FAMILY
DEMO CIRCUIT 1709A
Tuesday, April 17, 2012
2
3
SHEET 2
1
OF 2
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