DC2277A - Schematic

5
4
3
2
1
REVISION HISTORY
ECO
REV
__
1
DESCRIPTION
APPROVED
YS
PRODUCTION
DATE
1-04-16
R40
10.0K
4
5
6
7
8
9
10
11
12
13
14
SCL
44
43
42
50
48
47
46
VIN
IINP
IINM
INTVCC
EXTVCC
BG1
BOOST1
SW1
TG1
LTC3886UKG
TSNS1
VSENSP_1
PG0
PG1
ITH1R
ITH1
VDD33
SHARE_CLK
WP
VDD25
R29
40
39
38
JP1
10.0K
OFF
WP
ON (3886)
36
35
34
33
32
31
30
29
28
27
TP5
C16
0.1µF
0603
VDD33
C17
4.7µF
1206
15
16
17
18
19
20
21
22
23
24
25
26
SDA
BG0
GND
ISENSP_0
ISENSM_0
TSNS0
VSENSP_0
VSENSM_0
ISENSP_1
ISENSM_1
ITH0R
ITH0
SYNC
SCL
BOOST0
SW0
TG0
U1
SDA
ALERTB
FAULT0B
FAULT1B
RUN0
RUN1
ASEL0
ASEL1
VOUT0_CFG
VOUT1_CFG
FREQ_CFG
PHAS_CFG
1
2
52
D
53
D
ALERTB
TP2
1
C
TP1
FAULT0B
LED1
RED LED
2
R19
R20
10.0K
R41
OPT
0603
R21
1.00K
1.00K
R42
OPT
0603
R44
OPT
0603
R43
OPT
0603
R45
OPT
0603
R46
OPT
0603
C14
0.1µF
0603
TP4
VDD25
C
TP3
CHPWR
B
C15
4.7µF
1206
R27
5
SI2365EDS-T1-E3
3
1
TP13
GND
Partin
Q4
2N7002
1
SENSE
GATE
7
IN
LED2
GATEP
ON
PWRGD
8
Q5
SI1416EDH-T1-GE3
3
1
2
GREEN LED
C12
0.01µF
0603 R28
1.00K
C11
0.1µF
0603
C13
10.0µF
1206
2
R24
10.0K
OUT
2
3
6
3
TG0
TP6
R26
10.0K
Q2
GND
B
1
4
2
R22
100K
1
2
5
6
U2
LTC4361CTS8-2
0.499
4
+5V
+3.3V
CUSTOMER NOTICE
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.
VERIFY PROPER AND RELIABLE OPERATION IN THE ACTUAL
APPLICATION. COMPONENT SUBSTITUTION AND PRINTED
APP ENG.
CIRCUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT
PERFORMANCE OR RELIABILITY. CONTACT LINEAR
TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE.
A
NOTE: UNLESS OTHERWISE SPECIFIED
TECHNOLOGY
LT
TITLE: SCHEMATIC
YS
PROGRAMMING BOARD FOR LTC3886UKG
1. ALL RESISTORS AND CAPACITORS ARE 0805.
SIZE
THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND
SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS.
5
4
3
1630 McCarthy Blvd.
Milpitas, CA 95035
Phone: (408)432-1900 www.linear.com
Fax: (408)434-0507
LTC Confidential-For Customer Use Only
B
SCALE = NONE
DATE:
2
IC NO.
LTC3886UKG
REV.
1
DEMO CIRCUIT 2277A
Tuesday, January 12, 2016
SHEET 1
1
OF 2
A
5
4
3
2
1
J1
DC1427
V+
3.3V
GND
SCK/SCL
MISO
CS
MOSI/SDA
GND
EESDA
EEVCC
EESCL
EEGND
GND
GPIO_1
1
R31
10.0K
B
SCL
TP8
+3.3V
TP7
+5V
+5V
TP11
1
+
C19
1.0µF
6032
U3
24LC024-I/SN
1
2
R39
1
2
3
4
5
6
7
8
9
10
11
12
3
1
4
A0
VCC
A1
WP
A2
SCL
VSS
SDA
R35
4.99K
R37
4.99K
C
7
6
5
JP2
TP12
ENB
OPT
R36
4.99K
8
ENB
R38
D
SDA
TP10
SCL
R34
J2
DC1613
AUXP
SDA
GND
SCL
LGKPWR
ALERTB
GPIO_1
OUTEN
GPIO_2
GND
AUXSCL
AUXSDA
C18
1.0µF
6032
SDA
14 Pin
C
R33
10.0K
C20
0.1µF
0603
+
D
+3.3V
R30
1
2
3
4
5
6
7
8
9
10
11
12
13
14
OFF
EE WP
ON
12 Pin
B
NOTE: J1 AND J2 CONNECT TO RIBBON CABLES
OF I2C / SMBUS CONTROLLER (DONGLE)
CUSTOMER NOTICE
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.
VERIFY PROPER AND RELIABLE OPERATION IN THE ACTUAL
APPLICATION. COMPONENT SUBSTITUTION AND PRINTED
APP ENG.
CIRCUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT
PERFORMANCE OR RELIABILITY. CONTACT LINEAR
TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE.
A
TECHNOLOGY
LT
YS
TITLE: SCHEMATIC
PROGRAMMING BOARD FOR LTC3886UKG
SIZE
THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND
SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS.
5
4
1630 McCarthy Blvd.
Milpitas, CA 95035
Phone: (408)432-1900 www.linear.com
Fax: (408)434-0507
LTC Confidential-For Customer Use Only
IC NO.
SCALE = NONE
3
DATE:
REV.
LTC3886UKG
B
1
DEMO CIRCUIT 2277A
Tuesday, January 12, 2016
2
A
SHEET 2
1
OF 2
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