14
Rev. 0
SCHEMATIC DIAGRAM
5
5
4
4
3
3
2
2
1
1
D
D
C
C
B
B
A
A
7V - 14V
1V/120A
FP1007R3-R22-R
FP1007R3-R22-R
CONVERTER WITH POWER SYSTEM MANAGEMENT
LTC3888IUHG-1
- A
VERSION
- B
LTC3888IUHG
31.6K
R274,R275,R280,R282,R287,R289
R276,R279,R281,R283,R286,R288
OPT
OPT
U1
21K
*
0
0
R277,R284
OPT
R278,R285
OPT
VDR_MON
VDR
VOUT0
INTVCC
VDD25
VDD33
VIN
VIN
VDD33
VDR
VDD33
VDD33
VDD33
VIN
VDD33
VDD33
VOUT0
VOUT0
VDR
IREF
ITH1
SCL
SDA
PWM1
ISENSE1
PWM5
ISENSE5
PWM6
ISENSE6
PWM7
ISENSE7
PWM2
ISENSE2
PWM3
ISENSE3
PWM4
ISENSE4
PGOOD0/CLKOUT
VOUT0
SW0
RUN1
ITH0
ITHR0
ITHR1
VSENSE1-
VSENSE0-
PGOOD1
SHARE_CLK
SYNC
ALERTb
FAULT1b
RUN0
FAULT0b
TSNS1
SDI
SCK
SERRb
SCSb
SW2
PGOOD0/CLKOUT
TSNS0
REVISION HISTORY
DESCRIPTION
DATE
APPROVED
ECO
REV
YL
PRODUCTION
3
02-22-21
REVISION HISTORY
DESCRIPTION
DATE
APPROVED
ECO
REV
YL
PRODUCTION
3
02-22-21
REVISION HISTORY
DESCRIPTION
DATE
APPROVED
ECO
REV
YL
PRODUCTION
3
02-22-21
DATE:
SHEET
OF
TITLE: SCHEMATIC
APPROVALS
PCB DES.
APP ENG.
SIZE:
SCHEMATIC NO. AND REVISION:
CUSTOMER NOTICE
THIS CIRCUIT IS PROPRIETARY TO ANALOG DEVICES AND SUPPLIED FOR USE WITH ANALOG DEVICES PARTS.
SKU NO.
IC NO.
ANALOG DEVICES 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 ANALOG DEVICES APPLICATIONS ENGINEERING FOR ASSISTANCE.
2555 AUGUSTINE DRIVE
www.analog.com
ANALOG DEVICES
AHEAD OF WHAT'S POSSIBLE
TM
SANTA CLARA, CA 95054
18
LT
YL
LTC3888UHG
8-PHASE, DUAL OUTPUT SYNCHRONOUS BUCK
DC2652A
710-DC2652A(A,B)_REV03
N/A
Monday, April 11, 2022
DATE:
SHEET
OF
TITLE: SCHEMATIC
APPROVALS
PCB DES.
APP ENG.
SIZE:
SCHEMATIC NO. AND REVISION:
CUSTOMER NOTICE
THIS CIRCUIT IS PROPRIETARY TO ANALOG DEVICES AND SUPPLIED FOR USE WITH ANALOG DEVICES PARTS.
SKU NO.
IC NO.
ANALOG DEVICES 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 ANALOG DEVICES APPLICATIONS ENGINEERING FOR ASSISTANCE.
2555 AUGUSTINE DRIVE
www.analog.com
ANALOG DEVICES
AHEAD OF WHAT'S POSSIBLE
TM
SANTA CLARA, CA 95054
18
LT
YL
LTC3888UHG
8-PHASE, DUAL OUTPUT SYNCHRONOUS BUCK
DC2652A
710-DC2652A(A,B)_REV03
N/A
Monday, April 11, 2022
DATE:
SHEET
OF
TITLE: SCHEMATIC
APPROVALS
PCB DES.
APP ENG.
SIZE:
SCHEMATIC NO. AND REVISION:
CUSTOMER NOTICE
THIS CIRCUIT IS PROPRIETARY TO ANALOG DEVICES AND SUPPLIED FOR USE WITH ANALOG DEVICES PARTS.
SKU NO.
IC NO.
ANALOG DEVICES 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 ANALOG DEVICES APPLICATIONS ENGINEERING FOR ASSISTANCE.
2555 AUGUSTINE DRIVE
www.analog.com
ANALOG DEVICES
AHEAD OF WHAT'S POSSIBLE
TM
SANTA CLARA, CA 95054
18
LT
YL
LTC3888UHG
8-PHASE, DUAL OUTPUT SYNCHRONOUS BUCK
DC2652A
710-DC2652A(A,B)_REV03
N/A
Monday, April 11, 2022
R15 10K
R1
0
+
COUT9 470uF 2.5V 7343
C21 330pF
P1
R51
10K
P2
C9
1.0uF
L1
0.215uH
CIN3 22uF 1210
R8
0
C28 330pF
C7
0.47uF
C19
3300pF
COUT2 100uF
1210
6.3V
C20
0.47uF
R291
OPT
R40 OPT
R29
0
+
C4 270uF 16V
R7 OPT
CIN7 22uF 1210
+
COUT8 470uF 2.5V 7343
R18 1k
C13 OPT
C23 4.7uF
R276
0
J2
GND
R42 OPT
CIN8 22uF 1210
R41 18.7K
E24
SERRb
R2 0
R279
0
R235 10
CIN2 22uF 1210
CIN6 22uF 1210
C26 OPT
R50 0
R292
OPT
L2
0.215uH
C16 0.47uF
R16 4.99K
R49 10K
R47
OPT
R6
0
R3
1 1%
COUT64 100uF
1210
6.3V
R244 10K
R285
OPT
E1
VIN+
+
C3 270uF 16V
C12 4.7uF
R17 10K
R44
OPT
+
C6 270uF 16V
E4
VOUT0-
E23
SCK
R11 OPT
R269 OPT
R4
OPT
R275
OPT
R37 OPT
R36
0
C10
2.2uF
+
C1 270uF 16V
CIN1 22uF 1210
R32 0
R278
OPT
C17 330pF
R21
0
R48 10K
J3
VOUT0
R52
OPT
E25
SDI
R34
0
R12
0
COUT7 100uF
1210
6.3V
C18
3300pF
U3
TDA21470
VCC
3
LG
ND
2
VOS
1
PGND
5
GL
6
VDRV
4
SW
19
VIN
28
VIN
29
SW
10
SW
12
SW
13
SW
14
SW
15
SW
16
SW
11
PGND
24
VIN
25
VIN
26
VIN
27
VIN
30
NC
31
PHASE
32
SW
17
SW
18
BOOST
33
PWM
34
EN
35
TOUT/FLT
36
OCSET
37
IOUT
38
REFIN
39
PGND
40
GL
41
PGND
23
PGND
22
PGND
21
PGND
20
PGND
9
PGND
8
PGND
7
R10 1k
R27
0
R33 OPT
COUT1 100uF
1210
6.3V
R290
OPT
E2
VIN-
R35 OPT
R274
OPT
C24 OPT
R26
OPT
R280
OPT
R268 OPT
+
C5 270uF 16V
CIN4 22uF 1210
U2
TDA21470
VCC
3
LG
ND
2
VOS
1
PGND
5
GL
6
VDRV
4
SW
19
VIN
28
VIN
29
SW
10
SW
12
SW
13
SW
14
SW
15
SW
16
SW
11
PGND
24
VIN
25
VIN
26
VIN
27
VIN
30
NC
31
PHASE
32
SW
17
SW
18
BOOST
33
PWM
34
EN
35
TOUT/FLT
36
OCSET
37
IOUT
38
REFIN
39
PGND
40
GL
41
PGND
23
PGND
22
PGND
21
PGND
20
PGND
9
PGND
8
PGND
7
+
C2 270uF 16V
R9 1k
R28
0
R283
0
R288
0
R30
0
R277
OPT
C27 0.47uF
C14
4.7uF
R281
0
+
COUT3 470uF 2.5V 7343
E7
SCSb
C22 330pF
C11
2.2uF 0805
J1
VIN
R38 OPT
R22 0
CIN5 22uF 1210
C25 4.7uF
R287
OPT
R53 2K
R43
0
U1
*
PWM1
42
PWM4
50
ISENSE4
51
IREF
33
ISENSE0
4
ITH_R0
10
SYNC
14
SCL
15
SDA
16
ALERTb
17
SHARE_CLK
29
RUN0
20
RUN1
21
ITH_R1
37
ITH1
38
TSNS0/VDR_MON
8
TSNS1
39
ASEL0
23
ASEL1
24
VDD3
3
30
ITH0
9
VDD2
5
28
FAULT0b
18
FAULT1b
19
PWM5
49
ISENSE1
43
VOUT1_CFG
26
VSENSE1-
41
40
ISENSE5
48
7
PWM3
1
ISENSE2
3
PWM2
2
VOUT0_CFG
25
VSENSE0-
6
53
GND
RSET
22
PWM_CFG
27
PG
OO
D1
36
PGOOD0/
CLKOU
T
11
PWM0
5
INTVCC
31
VIN
32
SDI
12
SCK
13
SERRb
34
SCSb
35
ISENSE3
52
PWM6
46
ISENSE6
47
PWM7
45
ISENSE7
44
R39 OPT
E3
VOUT0+
C8
4.7uF
R289
OPT
+
COUT4 470uF 2.5V 7343
R284
OPT
E22
INTVCC
C121
OPT
R25
0
R54 10K
R282
OPT
R5 0
R286
0
R46 10k
C122
OPT
J4
GND
R23 10k
R234 10
C15 OPT
COUT6 100uF
1210
6.3V
SW2
ASEL0
ASEL1
PWM2
VOUT0_CFG
VOUT1_CFG
SCL
SDA
ALERTb
SHARE_CLK
ISENSE2
SYNC
IREF
RUN0
VSENSE0-
RUN0
TSNS0
TSNS0
SW0
IREF
TSNS0/VDR_MON
TSNS0/VDR_MON