DC2052A - Schematic

5
4
3
2
1
REVISION HISTORY
ECO
REV
__
1
DESCRIPTION
APPROVED
PRODUCTION
YI S.
DATE
11-1-12
INTVCC_0
E1
VIN_PWR
VIN
J2
D
VDD25_0
C6
100nF
GND
R5
1
2
C1
22uF
1210
C2
22uF
1210
D
C7
1uF
0.005
D1
C8
1uF
VOUT
VOUT
PHASE
16V
SVP
VDD33_0
VDD33_0
+ C5
330uF
16V
2
C4
+ 330uF
1
VIN
7V-14V
2
4
R1
3
C3
4.7uF
VIN
J1
J3
L1 0.3uH
VOUT
ADJ, MAX 60A
9
E2
10
SDA
8
SYNC
11
ALERTB
26
ITH
5
28
C23
1000pF
40
C24
10nF
22
25
BG0
7
8
C11
100uF
1210
C12
100uF
1210
C13
100uF
1210
C30
100uF
1210
+
C15
OPT
4V
+
+
C16
470uF
4V
+
C17
470uF
4V
+
C18
470uF
4V
+
C19
470uF
4V
+
C20
470uF
4V
+
C73
OPT
4V
C74
470uF
4V
R9
OPT
C22
0.1uF
R11
0
J4
R12
0
6
ISNS0+
E3
7
ISNS0ITH0
VOUT+
1
VSENSE0+
TSNS1
VSENSE+
2
VSENSE0-
VSENSE-
E4
TSNS0
VOUT-
RUN1
17
27
VTRIM1_CFG
Q4
PGND
GPIO0
1
2
FDMS3620S
GND
VTRIM0_CFG
VOUT1_CFG
VOUT0_CFG
VSENSE1
FREQ_CFG_0
L2 0.3uH
R18
2.61K
R19
2.61K
C32
100uF
1210
C33
100uF
1210
C34
100uF
1210
C35
100uF
1210
C71
100uF
1210
E5
VDD33_0
0.1uF
13
12
34
41
21
20
19
C36
1uF
C31
100uF
1210
VDD33_0
C37
18
C
9
4
ISNS1FREQ_CFG
R20
16.2K
3
3
ISNS1+
SC
VDD25_0
C29
100nF
32
BG1
ASEL
8
SC
C28
22uF
1210
29
7
16
R14 0
31
SW1
PHASE
24
R17
10K
WP
C27
22uF
1210
30
TG1
4
RUN0
BOOST1
23
VDD33_0
C10
100uF
1210
36
ITH1
RUN
R16
OPT
5
1
VIN
U1
LTC3880EUJ
C9
100uF
1210
GND
39
SW0
6
15
14
R15
0
C14
1uF
VIN_PWR
C26
10nF
Q3
WP
C
R8
2.61K
C21 100nF
R10 0
37
BOOST0
SYNC
ALERT
R7
2.61K
38
TG0
5
Q2
R13
4.53K
SDA
FDMS3620S
GPIO1
C25
47pF
SCL
INTVCC
9
SCL
Q1
6
2
D2
CMDSH-3
R6
10K
VDD33
R4
10K
33
R3
10k
VDD25
R2
10K
35
GND
R21
17.4K
VDD33_3
R22 0
VOUT_CFG_0
SGND AND PGND
CONNECTED AT
A SINGLE NODE
NEAR U2
VOUT_TRIM_0
E7
R23 OPT
INTVCC_0
INTVCC_0
GPIO1B
R24 10K
E8
VDD33_3
VDD33_3
GPIO0B
VIN_PWR
E10
VIN
INTVCC_3
INTVCC_3
INTVCC_3
VDD25_3 VDD33_3
R25
100
VDD25_0
B
R26
100
B
FREQ_CFG_0
R28 OPT
R29 OPT
C41
C39
1uF
C38
1uF
R27
2
C40
4.7uF
1uF
E12
D3
CMDSH-3
GPIO0B
GPIOB
10
R42 OPT
PGOOD
R43 0
SYNC
R46 4.99K
R50
16.2K
R53 OPT
EXTVCC_DRV
INTVCC_0
SC
13
FREQ_CFG_3
VOUT_CFG_3
14
15
17
12
R54 OPT
INTVCC_3
27
R55
20.5K
16
SW
BG
ISENSE-
R38 0
24
C47 100nF
L3 2.6uH
22
9
26
3
R44
2.61K
R45
2.61K
4
C53
1uF
C48
100uF
1210
C49
100uF
1210
C50
100uF
1210
C51
100uF
1210
C52
100uF
1210
C72
100uF
1210
ASEL
FREQ_CFG
VSENSE+
VOUT_CFG
VSENSE-
VTRIM_CFG
TSNS
30
R51 0
31
R52 0
32
NOTE: UNLESS OTHERWISE SPECIFIED
1. ALL RESISTORS ARE 0603.
2. ALL CAPACITORS ARE 0603.
VSENSE+
C54
VSENSE-
0.1uF
TSNS
A
DNC
DNC
ITH
29
C56
100pF
R56 0
C55
ITH 0.1uF
Q6
C57
OPT
R59
OPT
PLACE Q10 CLOSE TO L1
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.
TECHNOLOGY
HZ
YI S.
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
TITLE: SCHEMATIC
THREE-PHASE DC/DC CONVERTER WITH INPUT CURRENT SENSE
AND DIGITAL POWER MANAGEMENT
SIZE
THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND
SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS.
5
SYNC
23
SYNC
ISENSE+
SC
E14
Q5
FDMS3620S
PGOOD
SHARE_CLK
SC
1
VIN_SNS
2
IIN_SNS
1
3
2
4
BOOST
RUN
33
EXTVCC_DRV
TG
WP
R49 0
VOUT_TRIM_3
A
IIN_SNS
VIN_SNS
PGND
VDD25_3
5
20
R48 OPT
U2
LTC3883EUH
GPIO
25
VOUT_TRIM_3
R47 OPT
11
ALERT
E13
C43
0.01uF
SYNC
PHASE
VOUT_CFG_3
R39 0
RUN
R40 4.99K
SDA
28
8
19
VDD33_3
R94
0
9
VIN
C46
0.01uF
C45
22uF
1210
7
R37 OPT
8
SCL
VIN_PWR
C44
22uF
1210
6
SDA
ALERTB
R35 0
GPIO0B
FREQ_CFG_3
R41 OPT
7
C42
0.1uF
5
R34
OPT
R95
OPT
VDD25_3
R36 OPT
6
SCL
INTVCC
R33 OPT
GND
R32 OPT
VDD33
VDD33_3
VOUT_TRIM_0
VDD25
18
R31 OPT
21
VOUT_CFG_0
R30 OPT
DATE:
IC NO.
REV.
LTC3880EUJ + LTC3883EUH
DEMO CIRCUIT 2052A
Monday, June 24, 2013
1
1
SHEET 1
OF 3
5
4
3
2
1
ALL PARTS ON THIS PAGE ARE FOR DEMO ONLY, NOT NEEDED IN CUSTOMER DESIGN
R60 0
GPIO0B
ALERTB
SDA
E18
Q7
SCL
E19
E20
R61
OPT
SYNC
D
Q8
TP0101K
3V3
VDD33_0
3
TP0101K
3V3
2
VDD33_3
3
2
D
R62 0
1
R63 10K
SCL
R67
R66
OPT
R65
0
R64 10K
0
R68
15.8K
3V3
TO DC1613A
FAULT2
FAULT3
FAULT1
SYNC_C
J6 DEMO HEADER (M)
C59
4
A1
WP
A2
SCL
VSS
SDA
R71
10
ON
5
R72
200
2
1
ALERTB
OFF
C58
10nF
TP0101K
Q9
GPIO0B
GREEN
D4
OPT
R75
OPT
1
PGOOD
Q10
2N7002A
R74
127
2
R73
C
ALERT
RED
D5
R77
4.99K
VIN
VIN
8AUXVCC
JP1
7
EXTVCC_DRV
6
EESCL
5
R78
100K
LED
VIN
JP2
U4
EESDA
ON
B
2
5
OFF
6
1
24LC025-I/ST
SHDN
GND
7
GND
8
VIN
NC
GND
SENSE/ADJ
OUTPUT
3
2
C60
4.7uF
1
LT1129CS8-5
C61
1uF
U5
ON
OFF
4
R79
100K
3
3
VCC
+3.3V
+3.3V
SW
RUN
J8 DEMO HEADER (F)
3
2
R76
4.99K
A0
R70
10K
100nF
U3
1
VDD33_0
2
5
6
1
C
SHARE_CLK
R69
15.8K
3
3V3
+3.3V
VIN_SNS
GND
VIN_EN
SCL
ALERTB
SDA
CONTROL0
SPARE1
SPARE2
WDI/RESETB
CONTROL1
SPARE3
SHARE_CLK
FAULT4
FAULT2
FAULT3
FAULT1
SPARE4
GND
4
1
1
2
3
4
5
6
7
8
9
10
11
12
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
6
3
J7
AUXP
SDA
GND
SCL
LGKPWR
ALERTB
GPIO_1
OUTEN_0
OUTEN_1
GND
AUXSCL
AUXSDA
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
+3.3V
VIN_SNS
GND
VIN_EN
SCL
ALERTB
SDA
CONTROL0
SPARE1
SPARE2
WDI/RESETB
CONTROL1
SPARE3
SHARE_CLK
FAULT4
FAULT2
FAULT3
FAULT1
SPARE4
GND
2
SDA
VIN
3
ALERTB
VIN
1
RUN
SC
7
8
EXTVCC_DRV
E21
C62
1uF
VDR
SHDN
NC
GND
GND
GND
SENSE/ADJ
VIN
OUTPUT
4
B
3
+3.3V
2
1
LT1129CS8-3.3
C63
10uF
E22
VIN
GND
JP3
3
PULSE
GENERATOR
R80
100K
U6
ON
2
5
OFF
1
6
7
8
A
C65
1uF
SHDN
NC
GND
GND
GND
SENSE/ADJ
VIN
OUTPUT
4
3
C64
4.7uF
2
1
+5V
LT1129CS8-5
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
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.
5
4
3
APPROVALS
TECHNOLOGY
PCB DES.
HZ
APP ENG.
YI S.
TITLE: SCHEMATIC
THREE-PHASE DC/DC CONVERTER WITH INPUT CURRENT SENSE
AND DIGITAL POWER MANAGEMENT
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 + LTC3883EUH
DEMO CIRCUIT 2052A
Monday, June 24, 2013
1
SHEET 2
1
OF 3
A
5
4
3
2
1
ALL PARTS ON THIS PAGE ARE FOR DEMO ONLY, NOT NEEDED IN CUSTOMER DESIGN
E23
EXT PULSE
D
D
VOUT
VOUT
+5V
3
GND
V+
SET
DIV
70Hz, 3% Duty Cycle
6
JP4
PULSE
5
+5V
4
R82
1M
U8 LT1803IS5
C67
R84
1uF
20K
5
2
C68
1uF
3
R86
20K
V+
VOUT
R85 3.3
1
C69
V-
150pF
+IN
-IN
4
2
3
4
5
OUT
5
MOD
VOUT
C66
2.2uF
1
3
INT
4
Q11
RJK0305DPB
EXT
R88
10K
R89 82.5
1
2
3
2
J10
IOUT
TST
1
C
R87
681K
C70
1uF
0805
R90
10
1%
C
2
3
4
5
R83 154K
LTC6992-1
2
1
U7
J9
1
R81
2
R91
0.01
R92
5K
E24
GND
LOOD
STEP
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
TECHNOLOGY
HZ
YI S.
TITLE: SCHEMATIC
THREE-PHASE DC/DC CONVERTER WITH INPUT CURRENT SENSE
AND DIGITAL POWER MANAGEMENT
SIZE
THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND
SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS.
5
4
N/A
SCALE = NONE
3
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 + LTC3883EUH
DEMO CIRCUIT 2052A
Monday, June 24, 2013
2
A
1
SHEET 3
1
OF 3
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