DC2155A-B - Schematic

5
4
3
E1
1
VIN_PWR
GND
INTVCC
2512
INTVCC
R2 0.003 1%
VOUT0
2
C87
OPT
2512
2
R9
R3
1k
R4
1k
SCL
R16 10K SHARE_CLK
R18 10K
FAULT0B
R23 10K
FAULT1B
PG0
C
SDA
15
ALERTB
16
SHARE_CLK
29
ALERTB
R15 10K
FAULT0B
17
FAULT1B
18
RUN0
RUN0 19
RUN1
RUN1 20
E35
PG0
R25 10K
PG1
R28 10K
14
R29 OPT
PG0
34
PG1
33
WP
28
47
SCL
BOOST0
U1
LTC3886IUKG
SDA
SW0
ALERTB
BG0
SHARE_CLK
ISENSE0+
FAULT0
ISENSE0-
FAULT1
VSENSE0+
RUN0
VSENSE0-
RUN1
ITHR0
PGOOD0
ITH0
R32 OPT
R35 OPT
21
22
R36 OPT
23
R39 OPT
R40 OPT
R41 OPT
24
25
R46 OPT
26
R48 OPT
B
ASEL1
TG1
VOUT0_CFG
BOOST1
VOUT1_CFG
SW1
FREQ_CFG
BG1
PHAS_CFG
ITHR1
VDD25
VDD33
SW0
50
BG0
4
ISENSE0+
5
ISENSE0-
7
VSENSE0+
8
VSENSE0-
11
ITHR0
12
ITH0
Q3
5
4
4
VOUT0
R14 3m
1210
R20
OPT
R19
OPT
J3
0805
SW0A
8.6uH
7443630860
Q4
(OPT)
RJK0653DPB
R22
0
R21
0
C10
22uF
16V
C11
22uF
16V
C12
22uF
16V
C88
22uF
16V
12V / 48A
R17
0
E5
VOUT0_SNS
VOUT0
VSENSE0+
J4
R24 100
C13
1nF
C18
51
49
45
41
37
3
+ C14
+ C15
150uF
150uF
OS-CON OS-CON
16V
16V
R26 100
C17
+ 330uF
7343
OPT
C16
+ 330uF
7343
OPT
C
GND
R27
0
OPT
C19
GND_SNS
VIN_PWR
ITH0
ITH1
38
TG1
40
BOOST1
Q6
RJK0651DPB
C97
Q5
(OPT)
C21
SW1
C22
4
2.2uF
1206
2.2uF
1210
2.2uF
1210
L2
39
SW1
42
BG1
R38 2
C23
0.1uF
RJK0653DPB
Q7
Q8
(OPT)
4
9
ISENSE1+
10
ISENSE1-
35
VSENSE1
R92 OPT
0805
R37
SW1A
C77 OPT
VOUT1
J5
0805
VOUT1
8.6uH
7443630860
3m
1210
R42
OPT
4
VSENSE0-
R47
OPT
R44
0
R43
0
C26
C24
C25
C93
22uF
16V
22uF
16V
22uF
16V
22uF
16V
R45
0
VOUT1_SNS
32
31
R51
C34
OPT
ITH1
C36
100pF
INTVCC
100
C28
1nF
ITHR1
B
E7
R50
43
INTVCC
44
10nF
EXTVCC
TSNS1
27
Q10
36
VDD33
C33
VSENSE1+
30
TSNS1
10nF
TSNS0
VDD25
C27
1
4
ISENSE1-
Q9
VOUT0
L1
R129 0
ISENSE1+
6
0.1uF
ASEL0
R49 OPT
TSNS0
C9
C71 OPT
E6
NC
NC
NC
NC
NC
NC
R34 OPT
R90 OPT 0805
R12 2
BOOST0
D
VOUT1
WP
E36
R33 OPT
SW0
4
C20 8.2nF
100pF
PG1
R31 OPT
52
2
R8
0
2512
2.2uF
1210
TG0
PGOOD1
R30 2
VDD25
C8
46
4
2
TG0
5
SDA
1210
1
2
3
R13 10K
SYNC
Q2
(OPT)
5
SCL
13
IIINM
R11 10K
SYNC
2
R7
0
2512
2.2uF
C7
Q1
RJK0651DPB
10nF
IINP
SYNC
VIN
48
VDD33
2.2uF
2
R6
0
2512
1206
C5
1nF
10nF
R10 10K
C96
C4
0.1uF
R5
0
2512
1
2
3
E4
2
R128 0
C6
C3
GND
D2
1
2
3
GND
D1
5
+
5
C86
OPT
1
2
3
+
1
2
3
C85
56uF
63V
1
2
3
+
R125
0
2512
1
J2
C1
56uF
63V
1
+
18V - 54V
R124
0
2512
5
VIN
VIN1
1
2
3
10uF
VIN
J1
VIN_PWR
5
C94
E2
R122 0.003 1%
1
2
3
10uF
5
VIN
C95
2
E3
D
2
C35
100
+ C29
150uF
OS-CON
16V
+ C30
150uF
OS-CON
16V
C31
+ 330uF
7343
OPT
C32
+ 330uF
7343
OPT
OPT
J6
E11
FAULT0B
GND
FAULT0B
C37
E22
FAULT1B
FAULT1B
2.2uF
C38
2.2uF
C39
C40
4.7uF
R168 0
4.7uF
16V
VOUT1
R169 OPT
ITH0
VSENSE0+
1. ALL RESISTORS AND CAPACITORS ARE 0603.
2
2
R118
0
R121
0
R148
0
2 FOR -A OPTIONAL.
VSENSE1
R173
4
E8
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.
TECHNOLOGY
`\
lf
TITLE: SCHEMATIC
SIZE
3
1630 McCarthy Blvd.
Milpitas, CA 95035
Phone: (408)432-1900 www.linear.com
Fax: (408)434-0507
LTC Confidential-For Customer Use Only
HIGH VOLTAGE DUAL STEP-DOWN DC/DC CONVERTER
WITH POWER SYSTEM MANAGEMENT
PG1
THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND
SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS.
5
GND
ITHR1
CUSTOMER NOTICE
PG0
2
ITH1
ITHR0
0
A
NOTE: UNLESS OTHERWISE SPECIFIED
2
VOUT0
N/A
SCALE = NONE
2
DATE:
IC NO.
LTC3886IUKG
DEMO CIRCUIT 2155A-B
Thrursday, June 02, 2016
SHEET 1
1
REV.
4
OF 4
A
5
4
3
2
1
ALL PARTS ON THIS PAGE ARE, NOT STUFFED IN THE -A VERSION
EXTVCC
R130 0
VIN1
EXTVCC
Q12
OPT
5
2
C44
100nF
Q11
C45
4.7uF
4
ITH0
0
BG0
5
0
8
R64
25
FAULT0B
C
2
SW0
RUN0
R66
ITH0
C49
10pF
R62
MODE0
FAULT0
0
9
ITH0
0
22
RUN1
ISENSE0+
MODE1
ISENSE0-
BOOST1
2
R69
11
0
12
5
5
R54
OPT
21
22uF
16V
22uF
16V
+ C52
+ C50
+ C53
150uF
150uF
OS-CON
OS-CON OPT
7343
16V
16V
R55
OPT
R56
0
R60
0
+ C51
OPT
7343
C48
C89
22uF
1210
22uF
RJK0653DPB
R63 100
2
3
C55
1nF
R65 100
13
OPT
C
R131 0
15
VIN1
D4
1
2
Q15
RJK0651DPB
INTVCC_2
2
FREQ
SW1
SYNC
BG1
PHASMD
ISENSE1+
ISENSE1-
16
C60
4
C59
2.2uF
1210
C58
2.2uF
1210
SW3
4
7
C99
2.2uF
1206
R95
C92 OPT
OPT 0805
100nF
6
Q17
OPT
19
29
Q16
OPT
5
14
5
GND
PHASMD
4
1
2
3
49.9k
SYNC
C47
23
ILIM
PGND
27
4
100nF
R67
R68
C46
C54
C56
ITH1
C57
10pF
10
R58 3m
2010
FAULT1
TG1
ILIM
Q13
0805
SW2A
7443630860
5
28
BOOST0
U2
LTC3870EUFD
8.6uH
1
2
3
0
L3
1
2
3
R57
VOUT0
SW2
1
2
3
1
2
3
26
FAULT0B
MODE0
R53
1
2
3
1
R61
TG0
1
MODE0
RUN0
24
Q14
OPT
D
R94
C91 OPT
OPT 0805
RJK0651DPB
D3
INTVCC
0
EXTVCC
RUN0
17
18
20
VIN
4
C98
2.2uF
1206
4
INTVCC_2
R59
C42
2.2uF
1210
C41
2.2uF
1210
5
D
INTVCC_2
R52
5
VIN_PWR
C43
4.7uF
16V
4
Q18
L4
7443630860
VOUT0
SW3A
0805
R70 3m
2010
4
R72
OPT
R74
R73
0
C61
C62
22uF
16V
22uF
16V
0
+ C63
+ C64
+ C65
150uF
150uF
OS-CON
OS-CON OPT
7343
16V
16V
+ C66
OPT
7343
C67
C90
22uF
1210
22uF
1
2
3
1
2
3
R71
OPT
R75
8.6uH
100
C68
B
B
RJK0653DPB
1nF
ILIM
R76
R77
C69
R78
100
OPT
INTVCC_2
OPT
0
PHASMD
R79
R80
INTVCC_2
OPT
E12
MODE0
0
R81
MODE0
PG0
0
R82
R83
INTVCC_2
OPT
CUSTOMER NOTICE
OPT
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
`\
lf
TITLE: SCHEMATIC
HIGH VOLTAGE DUAL STEP-DOWN DC/DC CONVERTER
WITH POWER SYSTEM MANAGEMENT
SIZE
THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND
SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS.
5
4
3
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.
LTC3886IUKG
DEMO CIRCUIT 2155A-B
Thrursday, June 02, 2016
SHEET 2
1
REV.
4
OF 4
A
5
4
3
2
1
ALL PARTS ON THIS PAGE ARE FOR DEMO ONLY, NOT NEEDED IN CUSTOMER DESIGN
DYNAMIC LOAD CIRCUIT
E14
PULSE IN
VOUT0
VOUT1
D
DO NOT EXCEED 5% DUTY CYCLE!
R162
0
1206
R157
2
226k 1%
R158
27.4k
1%
GND
V+
SET
5
5
4
DIV
48Hz,
Less Than 3% Duty Cycle
Q19
RJK0305DPB
PULSE
+5V
R151 1M
U6 LT1803IS5
C101
5
R161
20K
100nF
2
R152
681K
1%
3
C102
1.0uF
V+
VOUT
R153 3.3 1%
JP5
1
INT
C100
150pF
V+IN
-IN
3
4
1
EXT
R89
10K
4
E16
1
2
3
3
OUT
6
2
2
R159
MOD
GND
R163
0
1206
+5V
U5 LTC6992IS6-1
1
D
E18
2
IOUT TST
R154
NOTE:
PULSE OUT
10mV / AMP
VOUT0
J7
82.5 1%
1
R91
0.01
1%
R160
5K
C
R170
340
PULSE GEN
C70
2.2uF
0805
VOUT0
1
+5V
2
3
4
5
R155
100
VOUT1
C
J12
OFF
2
1
VOUT1
3V3
3V3
C103
2.2uF
0805
EXT_SUPPLY
2
3
4
5
JP6
3
ON
3V3
2N7002A
2
R93
127
R100
OPT
EXT 5V
D8
OPT
R147
OPT
ON
11
3
JP1
R99
220k
FAULT1B
D13
GREEN
EXTVCC
0
C76
0.1uF
B
E21
VPRG2
R98 0
7
R132 0
6
R97
OPT
FBO
ISET
SS
10
C72
47nF
3
3
CUSTOMER NOTICE
FAULT1B
1
2N7002A
2
2
2N7002A
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.
Q28
Q29
1
C75
OPT
1210
R171
200
FAULT0B
D14
GREEN
FAULT0B
C81
220pF
C79
100uF
10V
1210
3V3
R172
200
A
12
C73
OPT
C80
100uF
10V
1210
E20
RUN
VPRG1
R101
OPT
R96
0
9
EXTVCC
R174
EXT_SUPPLY
GND
VIN
2
OFF
3V3
VFB
5
R146
4.7
0805
1%
SW
GND
1
2N7002A PG1
VIN
C74
2.2uF
100V
1210
GND
1
2
PG0
C78
220nF
100V
0805
1
17
Q22
Q23
R145
OPT
ALERTB
D7
RED
3
VIN
GND
3
3
1
R144 OPT
L5
68uH
SUMIDA CDRH105RNP-680NC
VIN
16
Q20
SI2365EDS-T1-GE3
PG1
D5
GREEN
3
PG0
D6
GREEN
EXTVCC
LTC3630EMSE
GND
1
ALERTB
2
VIN
B
R88
200
8
3
R87
200
14
VDD33
1
Q27
OPT
2
U3
3V3
TECHNOLOGY
`\
lf
TITLE: SCHEMATIC
HIGH VOLTAGE DUAL STEP-DOWN DC/DC CONVERTER
WITH POWER SYSTEM MANAGEMENT
SIZE
THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND
SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS.
5
4
3
2
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
DATE:
IC NO.
LTC3886IUKG
DEMO CIRCUIT 2155A-B
Thursday, June 02, 2016
1
SHEET 3
REV.
4
OF 4
A
5
4
3
2
1
ALL PARTS ON THIS PAGE ARE FOR DEMO ONLY, NOT NEEDED IN CUSTOMER DESIGN
R102 OPT
FAULT1B
ALERTB
SDA
SHARE_CLK
SCL
JP2
SYNC
2
D
D
3
E23
E24
E25
E26
E27
SYNC
1
E32
R103
OPT
C
NC
FAULT0B-FAULT1B
R104 OPT
SGND
FAULT0B
ALERTB
SDA
SCL
SHARE_CLK
D12
OPT
R105
OPT
D9
OPT
E29
RUN0
R106 0
R119
4.99K
U4
2
3
B
4
A1
WP
A2
SCL
VSS
SDA
R111 OPT
R120
4.99K
1
2
3
4
5
6
7
8
9
10
11
12
13
14
1
2
3
4
5
6
7
8
9
10
11
12
13
14
J9 DEMO HEADER (M)
EEWP
6
EESCL
5
EESDA
24LC025-I/ST
OPT
R117
OPT
SW2
RUN1
ON
SW1
RUN0
5
R114
10
R115
10
ON
2
5
OFF
2
OFF
C82
10nF
TECHNOLOGY
`\
lf
C83
10nF
THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND
SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS.
3
HIGH VOLTAGE DUAL STEP-DOWN DC/DC CONVERTER
WITH POWER SYSTEM MANAGEMENT
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
TITLE: SCHEMATIC
SIZE
4
10K
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.
5
R113
B
CUSTOMER NOTICE
A
VDD33
R112
10K
R107
OPT
1206
VIN
R116
FAULTB
CTRL
ALERTB
SDA
SHARE_CLK
SCL
RESETB
AUXP
UNUSED
UNUSED
GND
GND
12V
12V
J10 DEMO HEADER (F)
8 AUXVCC
7
VDD33
4
1
FAULTB
CTRL
ALERTB
SDA
SHARE_CLK
SCL
RESETB
AUXP
UNUSED
UNUSED
GND
GND
12V
12V
100nF
VCC
RUN1
C
NC
RUN0-RUN1
C
C84
A0
R110
OPT
RUN1
TO DC1613A
1
R109
0
6
3
C
1
E30
R108
OPT
4
1
AUXP
SDA
GND
SCL
LGKPWR
ALERTB
GPIO_1
OUTEN_0
OUTEN_1
GND
AUXSCL
AUXSDA
JP3
3
1
2
3
4
5
6
7
8
9
10
11
12
6
3
J11
3V3
2
RUN0
3V3
DATE:
IC NO.
LTC3886IUKG
DEMO CIRCUIT 2155A-B
Thrursday, June 02, 2016
SHEET 4
1
REV.
4
OF 4
A
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