DC2190A - Schematic

A
B
C
D
E
VIN
J1
INTVCC
R1
VIN
+
C2
100uF
63V
+
C40
33uF
63V
+
2.2 1%
C100
33uF
63V
R2
OPT
GND
C3
0.1uF
J2
4
U1
R4
OPT
E3
29.4k
LTC3892EFE-1
VBIAS
23
INTVCC
14
DRVUV
VOUT
R90 0
DRVUV
E4
EXT. SYNC/P.S.
1
2
INT. SYNC
3
4
BURST
5
6
6
EXTVCC
SYNC
PH1
E2
GND
MODE SHT 2
16V
22
E1
21
DRVCC
EXTVCC
4
JP1
C4 4.7uF
R7
0
R8
100k
MODE
MODE/PLLIN
R13
OPT
SHT 2 DRVUV
INTVCC
R_PRG
5
C1
2.2uF
100V
FREQ
16V UP TO 55V
7
INTVCC
INTVCC
C5
R89 0
SHT 2 EXTVCC
VFB1 SHT 3
0.1uF
VOUT
R81 0
SHT 2
SHT 2
3
R44 0
VFB1
VFB3
R82 0
R83 0
ITH2
C8
VIN
RUN
R3
499k 1%
ITH2
1
0 R84
ITH1
C7
35.7k
1%
470pF C9
4.02k 1%
15pF
3
R45 0
TR/SS2 16
R46
R5
OPT
9
RUN2
OPT
R17 0
S2-
R19 100
SNS2+
10nF
10
TK/SS2
RUN2
8
RUN1
SENSE2-
RUN1
4
SENSE1-
R18 0
S1-
C12
2.2pF
C13
2.2pF
S2+
11
SENSE2+
3 S1+
SENSE1+
C14 2.2uF
R20 100
SNS1+
150uF
C21
OPT
SER2918H-103
C22
10uF
GND
C56
OPT
R21
OPT
BG2
R22
OPT
20
19
5
J5
5
R25 OPT
C28
S2-
4
S2+
4
3
2
1
3
2
1
OPT
Q5
BSC042NE7NS3
VIN
C30
0.22uF
Q7
BSC042NE7NS3
R27
0
BG2
BOOST2
L2 10uH
J4
RS1 3m
VOUT
SER2918H-103
24
BG1
BG1
R24
R23
OPT
25
BOOST1
2
VOUT
1
2
3
SW1
5
5
1
2
3
26
4
OPT
C77
C23
OPT
10uF
C24
OPT
+
C25
150uF
C27
+
12V / 60A
1uF
R26 OPT
R28
0
C31
0.22uF
5
1uF
+
SW1
Q4
BSC123N08NS3 G
C29
4
S1+
4
S1OPT
R30
90.9k
1%
R29
OPT
1
2
3
+
SW2
C17
2.2uF
100V
5
18
27
Q3
BSC123N08NS3 G
4
TG1
1
2
3
SW2
TG1
DRVSET
C20
C18
L1 10uH
3
2
1
RS2 3m
TG2
15
12V / 60A
17
VOUT
3
2
1
J3
Q2
BSC123N08NS3 G
4
TG2
GND
4
2
VIN
C15 2.2uF
29
5
C16
2.2uF
100V
5
Q1
BSC123N08NS3 G
SHT 2
C11 0.1uF
28 TR/SS1
TK/SS1
VIN
VOUT
3
ITH
JP2
RUN1
R11
ITH1
10 1%
R16 0
2
OFF
OPT
RUN1
13
R10
R9
VFB1
47pF
1
SHT 3
2
VFB1
R14
ON
RUN3
VFB2
TR/SS1
SHT 2 TR/SS3
SHT 2
12
C6
R12 0
ITH1
ITH3
VFB2
Q6
BSC042NE7NS3
Q8
BSC042NE7NS3
INTVCC
C88
C89
C90
C91
C92
C93
OPT
OPT
OPT
OPT
OPT
OPT
1
SHT 3
SW2
SHT 3
TG2
SHT 3
BG2
SHT 3 SNS2+
SW2
SW1
TG2
TG1
BG2
BG1
SNS2+
SNS1+
SW1
SHT 3
TG1
SHT 3
BG1
SHT 3
SNS1+ SHT 3
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
PCB DES. ` \
VERIFY PROPER AND RELIABLE OPERATION IN THE ACTUAL
APPLICATION. COMPONENT SUBSTITUTION AND PRINTED
APP ENG. DING L.
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.
A
B
C
APPROVALS
D
SCALE = NONE
TECHNOLOGY
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
HIGH POWER 60V, 4-PHASE SYNCHRONOUS
STEP-DOWN SUPPLY
IC NO.
REV.
SIZE
LTC3892EFE-1
N/A PCB NO.
2
DEMO CIRCUIT 2190A-B
DATE:
Friday, February 13, 2015
E
SHEET 1
OF 2
1
B
C
5
5
4
1
2
3
1
2
3
3
2
1
TG4
TG3 SHT2
BG1
SHT1
SHT2
BG4
BG3 SHT2
5
5
SW3 SHT2
SHT2
5
SW4
SHT1
5
SHT2
TG1
5
BG2
SW1 SHT1
5
TG2
3
2
1
OPT
4
Q25
OPT
4
Q30
OPT
Q31
OPT
1
2
3
4
1
2
3
4 Q27
Q14
OPT
3
2
1
Q15
OPT
Q9
OPT
4
3
2
1
OPT
3
2
1
4
4
1
2
3
4 Q11
1
2
3
5
5
5
5
SW2
5
SHT1
4
Q29
OPT
4
1
2
3
SHT1
Q32
OPT
4
Q28
OPT
4
OPT
4
3
2
1
3
2
1
SHT1
Q26
VIN
3
2
1
4
Q13
OPT
1
2
3
5
5
OPT
4
Q16
OPT
4
Q12
OPT
4
E
VIN
VIN
VIN
Q10
D
5
A
VIN OPT
CHARGE/DISCHARGING
CURRENT CONTROL (OPTIONAL)
VIN
3
VCC
R31
R32
C34
10k 1%
10nF
OPT
C33
R52 R86 R43 R34
J7
1m
1m
1m
C36
1nF
1m
2
3
R37
+
-
C38
3.3k
INTVCC
10
8
8
3
+
2
-
1
U6A
C37
10 1%
J8
D4
5.1V
9
U2
LT1999CS8-10
R35
7
10k 1%
5
6
8
VBATT
2
1
4
10 1%
INTVCC
0.1uF
0.1uF
R33
4
VOUT
CHARGE/DISCHARGE MODE FB SWITCH OVER
R42
Q33
MMBT3904
VCC
C32
VCC
ON BOARD PWM GENERATOR
C81
D1
7
SHT1 PH1
ITH SHT1
OPT
R47
OPT
LT2078CS8
0
D2
OPT
6
SET
V+
MOD
OUT3
VFB1 SHT 1
C79
1
AMPOUT
VCC
AMPIN- COMPOUT
8
7
0.1uF
1
C69
3
4
OUT1
VCC
2
3
PH
OUT4
C78
0.1uF
2
DIV
GND
U8
1
3
INTVCC
R59
DO NOT STUFF
R50
DO NOT STUFF
C35 1nF
VREF
4
AMPIN+
VSS
REF
COMPIN+
6
5
Q34
DO NOT STUFF
2
3
VREF
4.7nF
Vcontrol
5
OUT2
U5
LTC6902CMS
LTC1541CMS8
C82
100pF
VBATT
2
PH2 SHT2
OPT
E5
0
C39
0.1uF
Vcontrol
REFIN
D3
OPT
R58
OPT
INPUT UV/OV PROTECTION
R61
R49
0
L3 OPT
SW1
VOUT
C41
OPT
OPT
+
C43
C44
+
OPT
SNS2+ SHT1
L8 OPT
+
SW3
OPT
SNS3+
SHT2
L7 OPT
SW4
1
SNS4+ SHT2
VOUT
C10
OPT
1210
C19
OPT
1210
C26
OPT
1210
C83
OPT
1210
C84
OPT
1210
C85
OPT
1210
C86
OPT
1210
1
SHT1
L4 OPT
C42
+
VIN
SNS1+
SW2
DO NOT STUFF
R36
392k
1%
R38
10k
1%
R40
10k
1%
2
R85
3
0
4
OUTA OUTB
V-
VCC
INA+
REF
INB-
HYST
U7
RUN1 SHT 1
VCC
8
7
6
R39
C80
0.1uF
10k 1%
THIS PAGE IS FOR BI-DIRECTIONAL CHARGER ONLY.
5
LTC1843CS8
C87
OPT
1210
R41
392k
1%
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
PCB DES. ` \
VERIFY PROPER AND RELIABLE OPERATION IN THE ACTUAL
APPLICATION. COMPONENT SUBSTITUTION AND PRINTED
APP ENG. DING L.
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.
A
B
C
APPROVALS
D
SCALE = NONE
TECHNOLOGY
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
HIGH POWER 60V, 4-PHASE SYNCHRONOUS
STEP-DOWN SUPPLY
IC NO.
REV.
SIZE
LTC3892EFE-1
N/A
2
DEMO CIRCUIT 2190A-B
DATE:
Monday, November 24, 2014
E
SHEET 2
OF 2
1
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