DC2089A - Schematic

5
4
3
2
1
REVISION HISTORY
ECO
VIN
C5
100nF
INTVCC
VDD25
4
VDD33
SW1
28
*
R11
OPT
40
ISNS1+
ITH1
ISNS1ITH0
VSENSE1
RUN1
RUN0
15
14
WP
23
24
SC
16
R18
0
R20
10K
17
RUN0
TG0
WP
SW0
SC
BG0
ASEL
ISNS0+
ISNS0-
FREQ_CFG
VDD25
VDD25
VDD25
VDD25
J4
GND
*
E3
3
C17
4
VOUT1+
R85
VSNS0+
*
E4
0
VOUT1VOUT1
27
R17
37
2
CMDSH-3-TR
C26
100nF
Q5
OPT
4
0
39
VIN
BSC050NE3LS
INTVCC
C25
10uF
1210
Q6
R12
0
R13
0
C24
10uF
1210
R14
0
R15
0
C
VOUT0
4
VOUT0
36
J5
L2
6
7
Q9
Q8
OPT
*
R116
*
VOUT0
2512
BSC010NE2LSI
C28
1
4
R21
R22
R115
R118
*
*
*
*
C29
100uF 100uF
1210
1210
4
2
GPIO1
GPIO0
38
1
+ C32
+ C33
+ C34
+ C35
+ C30
+ C31
330uF
D3L
330uF
D3L
330uF
D3L
330uF
D3L
330uF
D3L
330uF
D3L
FREQ_CFG
MAX 3.3V
MAX 60A
J6
GND
*
R24
C38
B
R29
C16
100uF
1210
VSNS1
R104
17.4K
100uF
1210
*
R102
*
R25
7.32K
R28
C15
OPT
D3L
R65
ADDRESS: 0x45h
16.2K
+ C14
OPT
D3L
13
PGND
12
34
GND
VSENSE0-
41
VTRIM0_CFG
VTRIM1_CFG
21
18
R23
24.9K
20
VDD25
VOUT1_CFG
VSENSE0+
VDD33
VDD25
+ C13
330uF
D3L
R9
32
RUN1
C36
10nF
MMBT3906LT1G
*
+ C12
330uF
D3L
D2
VOUT0_CFG
Q10
R19
OPT
R74
*
+ C11
BSC010NE2LSI
C19
R125
0
19
MMBT3906LT1G
TSNS0
R7
*
C10
100uF
1210
OPT
TSNS0
BOOST0
C27
10nF
VOUT1
MAX 3.3V
MAX 20A
TSNS1
TSNS1
Q7
29
R16
*
1
2
3
22
25
VDD33
BG1
R6
100uF
1210
*
0
1
2
3
C23
100pF
U1
LTC3880EUJ
ALERT
C18
100nF
5
C21
SW1
CMDSH-3-TR
R8
C9
INTVCC
5
C22
100pF
R10
0
SYNC
31
*
2512
Q3
4
1
2
3
C20
OPT
5
TG1
BOOST1
4
2
30
R75
1
2
3
26
ITH0
R124
0
Q4
OPT
D
J3
*
1
2
3
11
ALERTB
SDA
C4
10uF
1210
R103
5
8
SYNC
SCL
VDD25
10
SDA
INTVCC
35
SCL
VIN
9
33
1
R5
10K
5
C8
1uF
1
2
3
C7
1uF
D1
R3
R4
4.99k 10K
Q1
L1
VDD33
R2
10K
C3
10uF
1210
4
5
E2
GND
DATE
07-16-14
YI S.
VOUT1
GND
C6
4.7uF
APPROVED
PRODUCTION
1
2
3
2
1
2
3
D
C2
330uF
16V
SVP
+
5
+ C1
330uF
16V
SVP
J2
5
5
R1
VIN
7V-14V
Q2
OPT
DESCRIPTION
2
VIN
BSC050NE3LS
VIN
J1
C
REV
__
E1
*
SGND AND PGND
CONNECTED AT
A SINGLE NODE
NEAR U1
VSNS0+
R117
*
C37
*
0
E5
VOUT0+
B
R26
VSNS00
E6
VOUT0-
VOUT0_CFG
R32
R33
24.9K
5.76K
R27
VOUT1_CFG
R34
R35
24.9K
5.76K
GPIO1B
R36
R37
0
R39
OPT
0
E7
INTVCC
OPT
R31
E8
GND
*
CONFIGURATION
C21
C19,C38 C17,C37 R6,R21
C55,C68 C52,C69 R43,R53
R7,R22 R74,R105 R75,R106 R65,R66 R102,R107 R103,R108
R44,R54 R109,R115 R110,R116 R68,R104 R111,R117 R112,R118
L1-L4
R16
"A" VERSION R SENSE
1500pF
1000pF
OPT
OPT
OPT
0
0.001 1W
100
100
0
3.48K
"B" VERSION DCR SENSE
2200pF
0.22uF
1uF
1.4K
0
OPT
0 1W
0
1.4K
OPT
3.01K
CUSTOMER NOTICE
NOTE: UNLESS OTHERWISE SPECIFIED
1. ALL RESISTORS AND CAPACITORS ARE 0603.
THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND
SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS.
4
3
WE 744301025
0.22uH IHLP5050FD-01-022
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
APP ENG.
APPLICATION. COMPONENT SUBSTITUTION AND PRINTED
CIRCUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT
PERFORMANCE OR RELIABILITY. CONTACT LINEAR
TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE.
A
5
INTVCC
R30
10K
VOUT1_TRIM
R38
EXTVCC
GPIO0B
VOUT0_TRIM
OPT
VDD33
10K
TECHNOLOGY
LT
YI S.
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
POLY-PHASE DC/DC CONVERTER WITH POWER SYSTEM MANAGEMENT
SIZE
N/A
SCALE = NONE
2
DATE:
IC NO.
LTC3880EUJ + LTC3870IUFD
DEMO CIRCUIT 2089A
Wednesday, July 16, 2014
SHEET 1
1
REV.
2
OF 4
A
5
4
3
2
1
EXTVCC
E9
EXTVCC
VIN
E10
2
GND
C42
100nF
C43
4.7uF
Q11
OPT
4
5
R40
5
D
VIN
BSC050NE3LS
INTVCC_2
C39
4.7uF
C40
10uF
1210
Q12
C41
10uF
1210
D
4
0
R47
25
0
9
ITH0
0
C
RUN1
ISENSE0+
MODE1
ISENSE0-
0
ITH1
TG1
BOOST1
27
R52
90.9K
SYNC
0
11
12
FREQ
SW1
SYNC
BG1
PHASMD
ISENSE1+
1
2
3
1
2
3
5
1
2
3
21
ISENSE1-
R66
*
R107
*
*
3
+ C47
+ C48
+ C50
+ C51
C46
330uF
D3L
330uF
D3L
OPT
D3L
OPT
D3L
100uF
1210
R43
R44
R105
R108
*
*
*
*
C49
100uF
1210
C55
13
15
R127
0
*
14
D4
1
C52
2
INTVCC_2
C
R50
CMDSH-3-TR
C57
VIN
BSC050NE3LS
100nF
Q16
OPT
C58
10uF
1210
Q15
16
4
C59
10uF
1210
4
7
VOUT0
6
L4
19
29
C45
100uF
1210
BSC010NE2LSI
5
GND
PHASMD
100nF
2
ILIM
PGND
10
C44
100uF
1210
23
0
R51
4
FAULT1
C56
47pF
ILIM
5
17
BG0
8
R48
R49
ITH0
SW0
5
0
GPIO0B
BOOST0
U2
LTC3870EUFD
C54
47pF
RUN0
MODE1
FAULT0
4
5
28
ITH0
MODE0
* 2512
1
2
3
26
0
R106
Q13
Q17
OPT
*
R110
*
2512
Q18
4
1
2
3
4
5
R46
22
Q14
OPT
*
C53
R42
1
2
3
R45
GPIO0B
CMDSH-3-TR
24
1
2
3
1
TG0
L3
INTVCC_2
5
MODE0
RUN0
2
1
2
3
4
0
VOUT0
1
R126
0
INTVCC
R41
E19
GPIO0B
EXTVCC
VIN
RUN0
18
20
D3
R53
R54
R109
R112
*
*
*
*
C60
C61
+ C63
+ C64
+ C66
+ C67
C62
100uF
1210
100uF
1210
330uF
D3L
330uF
D3L
OPT
D3L
OPT
D3L
100uF
1210
C65
100uF
1210
BSC010NE2LSI
ILIM
R68
B
R56
R55
0
OPT
R58
R57
OPT
0
*
B
C68
*
INTVCC_2
R111
C69
*
*
PHASMD
INTVCC_2
E17
R100
MODE0
MODE0
GPIO1B
OPT
R60
R59
0
OPT
INTVCC_2
E18
MODE1
R101
MODE1
OPT
R62
CUSTOMER NOTICE
R61
INTVCC_2
A
0
OPT
THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND
SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS.
5
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
APP ENG.
APPLICATION. COMPONENT SUBSTITUTION AND PRINTED
CIRCUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT
PERFORMANCE OR RELIABILITY. CONTACT LINEAR
TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE.
4
3
TECHNOLOGY
LT
YI S.
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
POLY-PHASE DC/DC CONVERTER WITH POWER SYSTEM MANAGEMENT
SIZE
N/A
SCALE = NONE
2
DATE:
IC NO.
LTC3880EUJ + LTC3870IUFD
DEMO CIRCUIT 2089A
Wednesday, July 16, 2014
REV.
2
SHEET 2
1
OF 4
A
5
4
3
2
1
ALL PARTS ON THIS PAGE ARE FOR DEMO ONLY, NOT NEEDED IN CUSTOMER DESIGN
D
D
ALERTB
SDA
E11
SCL
E12
SHARE_CLK
E20
E13
R63
SYNC
GPIO1B
OPT
E14
R81
OPT
E21
SYNC
GND
ALERTB
SDA
SCL
SHARE_CLK
R64
GPIO0B
0
VDD33
D9
OPT
R113
OPT
D8
OPT
R122
10K
R67
100nF
U3
2
3
4
R82
4.99K
VCC
A1
WP
A2
SCL
VSS
SDA
R83
4.99K
RUN1
DEMO HEADER (M)
EEWP
6
EESCL
5
EESDA
SW1
RUN0
5
R77
10
R76
10
ON
2
5
2
OFF
OFF
C72
10nF
C71
10nF
DEMO HEADER (F)
VIN
R80
OPT
R119
B
SW2
RUN1
ON
R114
OPT
1206
8 AUXVCC
7
FAULTB
CTRL
ALERTB
SDA
SHARE_CLK
SCL
RESETB
AUXP
UNUSED
UNUSED
GND
GND
12V
12V
4
1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
J9
6
3
1
2
3
4
5
6
7
8
9
10
11
12
13
14
C
R69
OPT
FAULTB
CTRL
ALERTB
SDA
SHARE_CLK
SCL
RESETB
AUXP
UNUSED
UNUSED
GND
GND
12V
12V
C70
A0
R123
10K
R120
OPT
J7
TO DC1613A
1
R70
0
R121
OPT
RUN0
VDD33
0
4
1
AUXP
SDA
GND
SCL
LGKPWR
ALERTB
GPIO_1
OUTEN_0
OUTEN_1
GND
AUXSCL
AUXSDA
C
3V3
1
2
3
4
5
6
7
8
9
10
11
12
6
3
3V3
J8
VIN
B
24LC025-I/ST
OPT
3
GPIO0B
1
JP1
GPIO1B
2
5
OFF
1
6
7
2
JP4
R84
100K
U4
ON
C
NC
GPIO0-GPIO1
3
RUN0
3
PULSE
GENERATOR
2
JP3
1
8
RUN1
C
NC
RUN0-RUN1
C74
1uF
3V3
SHDN
NC
GND
GND
GND
SENSE/ADJ
VIN
OUTPUT
4
3
2
1
C73
4.7uF
+5V
LT1129CS8-5
3V3
3V3
2
R78
200
3
VDD33
2
TP0101K
D6
GPIO1B
GRN
2
D7
GPIO0B
GRN
CUSTOMER NOTICE
3
10K
R73
15.8K
GPIO1B
1
Q21
2N7002A
2
R72
127
1
1
R71
GPIO0B
1
Q22
2N7002A
THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND
SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS.
5
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
APP ENG.
APPLICATION. COMPONENT SUBSTITUTION AND PRINTED
CIRCUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT
PERFORMANCE OR RELIABILITY. CONTACT LINEAR
TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE.
4
3
TECHNOLOGY
LT
YI S.
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
POLY-PHASE DC/DC CONVERTER WITH POWER SYSTEM MANAGEMENT
SIZE
N/A
2
D5
ALERT
RED
3
2
VIN
1
A
3V3
3
TP0101K
Q20
2
Q19
1
1
ALERTB
R79
200
SCALE = NONE
2
DATE:
IC NO.
LTC3880EUJ + LTC3870IUFD
DEMO CIRCUIT 2089A
Wednesday, July 16, 2014
SHEET 3
1
REV.
2
OF 4
A
5
4
3
2
1
D
D
E15
EXT PULSE
DYNAMIC LOAD CIRCUIT FOR DEMO ONLY
R86
0.001
VOUT0
2010
R87
R90
V+
SET
DIV
70Hz, 3% Duty Cycle
5
+5V
R91
1M
154K
C
R89
20K
4
C79
1uF
1206
C78
1uF
1206
U6
5
2
3
V+
VOUT
R92
1
C80
150pF
V+IN
5
C77
2.2uF
0805
-IN
4
1
3
Q23
4
RJK0305DPB
3.3
INT EXT
R94
R93
10K
J11
R96
10
1%
R97
681K
IOUT
TST
1
82.5
R95
20K
VOUT0
2
3
4
5
OUT
GND
OPT
2010
LT1803IS5
C81
1uF
0805
R98
5K
C
2
3
4
5
3
MOD
JP5
INT / EXT PULSE
6
1
2
3
2
LTC6992-1
J10
1
VOUT1
2
U5
1
R88
2
+5V
VOUT0
R99
0.01
2010
LOAD
STEP
E16
GND
VOUT1
J12
1
VOUT1
2
3
4
5
C82
2.2uF
0805
B
B
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
APP ENG.
APPLICATION. COMPONENT SUBSTITUTION AND PRINTED
CIRCUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT
PERFORMANCE OR RELIABILITY. CONTACT LINEAR
TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE.
A
THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND
SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS.
5
4
3
TECHNOLOGY
LT
YI S.
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
POLY-PHASE DC/DC CONVERTER WITH POWER SYSTEM MANAGEMENT
SIZE
N/A
SCALE = NONE
2
DATE:
IC NO.
LTC3880EUJ + LTC3870IUFD
DEMO CIRCUIT 2089A
Wednesday, July 16, 2014
SHEET 4
1
REV.
2
OF 4
A
Similar pages