17
Rev. 0
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Devices for its use, nor for any infringements of patents or other rights of third parties that may result from its use. Specifications
subject to change without notice. No license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
SCHEMATIC DIAGRAM
5
5
4
4
3
3
2
2
1
1
D
D
C
C
B
B
A
A
PGOO
D1
PGOO
D2
TO DC2
08
6A
ON
OFF
ON
OFF
RUN2
RUN1
TO DC1
61
3A
ALL PA
R
TS
ON
THI
S
PAGE
A
R
E
FOR
DEMO BOARD
ONL
Y,
N
OT NEEDED
IN
CU
STOMER DESI
GN
12
06
ALERTB
HA
RD
W
ARE
FAULT1
FAULT2
ST
EP_LED
ST
EP_LED
VDD33
3V3
VIN
3V3
VIN
3V3
VDD33
ST
EP_LED
ST
EP_LED
ST
EP_LED
TM
ON
PGOO
D2
PGOO
D1
ALERTB
SDA
SCL
RUN2
RUN1
FA
ULT1
FA
ULT2
SYNC
SHARE_CL
K
FA
ULT1
FA
ULT2
ALERTB
EN1
EN2
FLTB
2
FLTB
1
DATE:
SHEET
OF
TITLE
: SCHE
MA
TIC
APPROVAL
S
PCB DES
.
APP
ENG.
SI
ZE:
SCHE
MA
TIC
N
O.
A
ND
REVI
SI
ON:
CUSTOMER NOTICE
TH
IS
CIR
CU
IT
IS PR
OPR
IET
AR
Y T
O
AN
AL
OG
D
EVIC
ES
AN
D
SUP
PL
IED FOR USE
WITH ANA
LOG
DEV
ICES
PARTS
.
SKU
NO.
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NO
.
AN
AL
OG
DEVIC
ES H
AS M
AD
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SPEC
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SIB
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ON
IN
THE
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T
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RF
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OR
R
EL
IA
BIL
IT
Y.
C
ON
TA
CT
A
NA
LOG
DEVIC
ES
APPL
IC
AT
IO
NS EN
GI
NEER
IN
G
FOR
A
SSIST
AN
CE.
255
5 AUGUSTIN
E DR
IVE
www.
an
alo
g.co
m
ANAL
OG
DEV
IC
ES
AH
EA
D OF WHAT'
S POSSIBLE
TM
SA
NTA
CLA
RA
, CA
950
54
3
3
LT
Y.T
LTC7050X / LTC3884RHE-1
HIGH EFFICIE
NC
Y SYN
CH
RONOUS B
UC
K C
ONVER
TER
WITH PSM
DC2881A(A,B,C)
710-D
C2881A(
A,B
,C
)_R
EV03
N/A
Monday,
D
ecember 20,
2021
<Va
ria
nt
Na
me>
DATE:
SHEET
OF
TITLE
: SCHE
MA
TIC
APPROVAL
S
PCB DES
.
APP
ENG.
SI
ZE:
SCHE
MA
TIC
N
O.
A
ND
REVI
SI
ON:
CUSTOMER NOTICE
TH
IS
CIR
CU
IT
IS PR
OPR
IET
AR
Y T
O
AN
AL
OG
D
EVIC
ES
AN
D
SUP
PL
IED FOR USE
WITH ANA
LOG
DEV
ICES
PARTS
.
SKU
NO.
IC
NO
.
AN
AL
OG
DEVIC
ES H
AS M
AD
E A
B
EST
EF
FOR
T T
O
DESIGN
A
CIR
CU
IT
T
HA
T M
EET
S C
UST
OM
ER
-SU
PPL
IED
SPEC
IF
IC
AT
IO
NS;
HOW
EVER
, IT
R
EM
AIN
S T
HE C
UST
OM
ER
'S
RESPON
SIB
IL
IT
Y T
O
VER
IF
Y PR
OPER
A
ND
R
EL
IA
BL
E
OP
ERATI
ON
IN
THE
A
CTUAL
AP
PL
IC
AT
IO
N.
C
OMP
ONE
NT
SUBS
TI
TUT
IO
N
AND
PR
IN
TE
D
CI
RCUI
T
BO
ARD
LAY
OUT
MAY
S
IG
NI
FI
CANT
LY
A
FFE
CT
CI
RCUI
T
PE
RF
ORMANCE
OR
R
EL
IA
BIL
IT
Y.
C
ON
TA
CT
A
NA
LOG
DEVIC
ES
APPL
IC
AT
IO
NS EN
GI
NEER
IN
G
FOR
A
SSIST
AN
CE.
255
5 AUGUSTIN
E DR
IVE
www.
an
alo
g.co
m
ANAL
OG
DEV
IC
ES
AH
EA
D OF WHAT'
S POSSIBLE
TM
SA
NTA
CLA
RA
, CA
950
54
3
3
LT
Y.T
LTC7050X / LTC3884RHE-1
HIGH EFFICIE
NC
Y SYN
CH
RONOUS B
UC
K C
ONVER
TER
WITH PSM
DC2881A(A,B,C)
710-D
C2881A(
A,B
,C
)_R
EV03
N/A
Monday,
D
ecember 20,
2021
<Va
ria
nt
Na
me>
DATE:
SHEET
OF
TITLE
: SCHE
MA
TIC
APPROVAL
S
PCB DES
.
APP
ENG.
SI
ZE:
SCHE
MA
TIC
N
O.
A
ND
REVI
SI
ON:
CUSTOMER NOTICE
TH
IS
CIR
CU
IT
IS PR
OPR
IET
AR
Y T
O
AN
AL
OG
D
EVIC
ES
AN
D
SUP
PL
IED FOR USE
WITH ANA
LOG
DEV
ICES
PARTS
.
SKU
NO.
IC
NO
.
AN
AL
OG
DEVIC
ES H
AS M
AD
E A
B
EST
EF
FOR
T T
O
DESIGN
A
CIR
CU
IT
T
HA
T M
EET
S C
UST
OM
ER
-SU
PPL
IED
SPEC
IF
IC
AT
IO
NS;
HOW
EVER
, IT
R
EM
AIN
S T
HE C
UST
OM
ER
'S
RESPON
SIB
IL
IT
Y T
O
VER
IF
Y PR
OPER
A
ND
R
EL
IA
BL
E
OP
ERATI
ON
IN
THE
A
CTUAL
AP
PL
IC
AT
IO
N.
C
OMP
ONE
NT
SUBS
TI
TUT
IO
N
AND
PR
IN
TE
D
CI
RCUI
T
BO
ARD
LAY
OUT
MAY
S
IG
NI
FI
CANT
LY
A
FFE
CT
CI
RCUI
T
PE
RF
ORMANCE
OR
R
EL
IA
BIL
IT
Y.
C
ON
TA
CT
A
NA
LOG
DEVIC
ES
APPL
IC
AT
IO
NS EN
GI
NEER
IN
G
FOR
A
SSIST
AN
CE.
255
5 AUGUSTIN
E DR
IVE
www.
an
alo
g.co
m
ANAL
OG
DEV
IC
ES
AH
EA
D OF WHAT'
S POSSIBLE
TM
SA
NTA
CLA
RA
, CA
950
54
3
3
LT
Y.T
LTC7050X / LTC3884RHE-1
HIGH EFFICIE
NC
Y SYN
CH
RONOUS B
UC
K C
ONVER
TER
WITH PSM
DC2881A(A,B,C)
710-D
C2881A(
A,B
,C
)_R
EV03
N/A
Monday,
D
ecember 20,
2021
<Va
ria
nt
Na
me>
Q8 2N7
00
2A
3
1
2
R13
7
0
E16
GND
D5
RED
E11
SDA
R13
3
OPT
E41
GND
J2
5
HDR
1
3
5
6
4
2
7
8
9
10
11
12
E13
SHARE_CL
K
R12
7
0
SW2
1
2
3
4
5
6
R14
7
0
R15
0
4.
99
k
Q2
2
DMP306
8L
3
1
2
R21
7
OPT
R21
8
OPT
MP
25
ST
ANDOFF,NYLON
,SNAP-O
N,0
.6
25
(5/
8")
,1
5.
9mm
R12
3
10
K
J1
3
HDR
1
FA
ULTB
2
CTRL
3
ALERTB
4
SDA
5
SHARE_CL
K
6
SCL
7
RESET
B
8
AUXP
9
UNUSED
10
UNUSED
11
GND
12
GND
13
12
V
14
12
V
R12
0
OPT
R12
2
OPT
R79 10
K
MP
28
ST
ANDOFF,NYLON
,SNAP-O
N,0
.6
25
(5/
8")
,1
5.
9mm
Q2
1
DMP306
8L
3
1
2
R14
5
OPT
D4
GREEN
J1
6
AU
X3
V4
4
SC
L
3
G
ND
2
SD
A
1
PCB1
PCB, DC2
88
1A
REV03
R14
2
OPT
E33
FLTB
1
R21
2
10
K
U3
24
LC0
24
-I/ST
A0
1
A1
2
A2
3
VSS
4
SD
A
5
SC
L
6
W
P
7
VCC
8
D8
PM
EG2
00
5AEL
2
1
LB1
LABEL
E14
SYNC
R13
9
OPT
Q7 2N7
00
2A
3
1
2
R13
6
OPT
E12
SCL
MP
26
ST
ANDOFF,NYLON
,SNAP-O
N,0
.6
25
(5/
8")
,1
5.
9mm
C28 0.
01
uF
J1
4
AU
XP
1
SD
A
2
G
ND
3
SC
L
4
LG
KP
W
R
5
AL
ER
TB
6
G
PI
O_1
7
OU
TEN
_0
8
OU
TEN
_1
9
G
ND
10
AU
XSC
L
11
AU
XSD
A
12
R12
8
4.
99
k
R70 10
R69 10
E20
RUN1
R12
6
OPT
R81 10
K
E19
RUN2
ST
NCL
1
TOOL
, STENCIL,
7
00
-D
C28
81
A
REV03
D10
RED
2
1
E10
ALERTB
D7 OPT
J1
5
HDR
1
FA
ULTB
2
CTRL
3
ALERTB
4
SDA
5
SHARE_CL
K
6
SCL
7
RESET
B
8
AUXP
9
UNUSED
10
UNUSED
11
GND
12
GND
13
12
V
14
12
V
R20
5
0
C50
0.
1u
F
C27 0.
01
uF
R12
1
OPT
R13
0
20
k
R21
5
OPT
D11
RED
2
1
R15
1
OPT
R12
5
20
k
Q3 DMP306
8L
3
1
2
R14
4
15
.8
k
E34
FLTB
2
D3
GREEN
MP
27
ST
ANDOFF,NYLON
,SNAP-O
N,0
.6
25
(5/
8")
,1
5.
9mm
D6 OPT
R21
6
OPT
Q4
DMP306
8L
3
1
2
R13
8
OPT
SW1
1
2
3
4
5
6
AUXVCC
EEWP
EESDA
AUX3V4
AUXVCC
EESCL
FLTB
2
AUXVCC
FA
ULT2
FA
ULT1
FLTB
1
