DC1540B - Schematic

4
3
VIN_SNS VIN_SNS_IN
VSENSEP0
VSENSEM0
+3.3V
R1
10K
2
R2
10K
R3
10K
R7
10K
R6
10K
R71 10
VSENSEP2
VSENSEM2
C59
TANT. 35V
1.0uF
14
VSENSEP5
VSENSEM5
SCL
SDA
36
37
42
43
46
47
48
49
52
53
62
63
64
1
2
3
VSENSEP6
VSENSEM6
TP16
VSENSEP7
VSENSEM7
JP2
ASEL1
HI
JP3
ASEL0
LO
LO
HI
C
28
27
32
33
30
31
22
R15 100
CONTROL0
TP6
SW2
HI
CONTROL0
CONTROL0
+3.3V
R64
GND
R4 10K
23
24
25
26
R60 100
TP8
0
WDI/RESETB
21
C17
0.01uF
WDI/RESETB
SW3
VDACP1
VDACM1
VDACP2
VDACM2
VDACP3
VDACM3
R59
100
19
65
VIN_SNS
VIN_EN
VSENSEP0
VSENSEM0
VSENSEP1
VSENSEM1
VSENSEP2
VSENSEM2
VSENSEP3
VSENSEM3
VSENSEP4
VSENSEM4
VSENSEP5
VSENSEM5
VSENSEP6
VSENSEM6
VSENSEP7
VSENSEM7
SCL
SDA
ASEL0
ASEL1
CONTROL0
CONTROL1
WDI/RESET
FAULTB00
FAULTB01
FAULTB10
FAULTB11
REFP
REFM
NC
VDACP0
VDACM0
VDACP1
VDACM1
VDACP2
VDACM2
VDACP3
VDACM3
VDACP4
VDACM4
VDACP5
VDACM5
VDACP6
VDACM6
VDACP7
VDACM7
VOUT_EN0
VOUT_EN1
VOUT_EN2
VOUT_EN3
VOUT_EN4
VOUT_EN5
VOUT_EN6
VOUT_EN7
SHARE_CLK
ALERTB
PWRGD
VPWR
VDD25
WP
E-PAD
C12
0.01uF
B
VDACP0
VDACM0
U1
R16 100
VDD33_OUT
VDD33_IN
12
34
35
13
VDACP5
VDACM5
C9
100nF
VDACP6
VDACM6
39
38
40
41
44
45
50
51
55
54
56
57
59
58
60
61
VDACP7
VDACM7
C
+3.3V
4
5
6
7
8
9
10
11
VOUT_EN0
VOUT_EN1
VOUT_EN2
VOUT_EN3
VOUT_EN4
VOUT_EN5
VOUT_EN6
D1
VOUT_EN7
29
20
15
18
R8
75
ALERTB
C10
16
17
A
+3.3V
100nF
SW1
TP1
JP5
R9 0
OFF
R5
10K
FAULTB10
PWRGD
C8
100nF
TP12
C16
0.01uF
Q1
+3.3V
R70 0
POWER GOOD
B
FAULTB01
R63
0
D2
R75
10K
TP13
HI
GND
CONTROL1
R10
200
ALERTB
FAULTB00
TP7
R11
10K
ALERTB
CONTROL1
CONTROL1
ON
TP11
LTC2977
WRITEPROTECT
JP6
SHARE_CLK
SHARE_CLK
TO OTHER LTC2977's (SHEET 2)
FAULTB11
TP17
TP10
1630 McCarthy Blvd.
Milpitas, CA 95035
Phone: (408)432-1900
LINEAR TECHNOLOGY HAS MADE A BEST EFFORT TO DESIGN A APPROVALS
CIRCUIT THAT MEETS CUSTOMER-SUPPLIED SPECIFICATIONS;
Fax: (408)434-0507
TECHNOLOGY
HOWEVER, IT REMAINS THE CUSTOMER'S RESPONSIBILITY TO DRAWN: CHRIS P.
LTC Confidential-For Customer Use Only
VERIFY PROPER AND RELIABLE OPERATION IN THE ACTUAL
CHECKED:
TITLE: LTC2977 8-CHANNEL PM BUS POWER SYSTEM MANAGER
APPLICATION. COMPONENT SUBSTITUTION AND PRINTED
CUSTOMER NOTICE
PCB LAYOUT NOTES:
PLACE BYPASS CAPS C8 AND C10
AS CLOSE TO U1 AS POSSIBLE.
PLACE C9 VERY NEAR U1 PINS 34 & 35
CONTRACT NO.
CIRUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT
APPROVED:
PERFORMANCE OR RELIABILITY. CONTACT LINEAR
TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE.
ENGINEER:DAVE C.
DESIGNER:
SIZE
DWG NO.
A
LTC2977IUP
REV
DC1360B
B
THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS.
Wednesday, August 14, 2013
DATE:
5
D
VDACP4
VDACM4
LTC2977 IUP
VSENSEP4
VSENSEM4
TP15
VIN_EN
TP9
VSENSEP1
VSENSEM1
VSENSEP3
VSENSEM3
D
1
2N7002
5
4
3
2
SHEET
1
1 OF 4
A
5
+3.3V
4
SCL
3
2
1
PIN HEADER 20 DUAL ROW
SDA
2
4
6
8
10
12
14
16
18
20
J3
1
3
5
7
9
11
13
15
17
19
+3.3V
TO DC1427A
VIN_SNS
J3 AND J2
ARE BOARD TO BOARD
CONNECTORS USED TO CASCADE
MULTIPLE DC1360 DEMO BOARDS
R17 OPT. 0
+3.3V
R66 20K
R65 OPT. 0
FAULTB00
R18
0
R67 20K
TO DC1613A
C
J6
HEADER 12POS 2MM VERT GOLD
AUXP
B
SDA
1
R68 20K
3
SCL
4
LGKPWR 5
ALERTB
FAULTB10
6
R72 OPT. 0
GPI_1
R69 20K
7
R73 OPT. 0
OUTEN
8
R74 OPT. 0
GPI_2
9
GND
10
AUXSCL
11
AUXSDA
12
R19
0
FAULT1
R20
OPT. 0
FAULT2
R21
OPT. 0
FAULT3
R22
OPT. 0
FAULT4
R23
OPT. 0
FAULT1
R24
0
FAULT2
R25
OPT. 0
FAULT3
R26
OPT. 0
FAULT4
R27
OPT.0
FAULT1
R28
OPT. 0
FAULT2
R29
0
FAULT3
R30
OPT. 0
FAULT4
R31
OPT.0
FAULT1
R32
OPT. 0
FAULT2
R33
OPT. 0
FAULT3
R34
0
FAULT4
FAULTB01
2
GND
D
VIN_EN
FAULTB11
BUS SIGNALS:
1 +3.3V
2 VIN_SNS
3 GND
4 VIN_EN
5 SCL
6 ALERTB
7 SDA
8 CONTROL0
9 SPARE1
10 SPARE2
11 WDI/RESETB
12 CONTROL1
13 SPARE3
14 SHARE_CLK
15 FAULT4
16 FAULT2
17 FAULT3
18 FAULT1
19 SPARE 4
20 GND
J6 SIGNALS:
LGKPWR
SCL
ALERTB
SDA
OUTEN
GPI_1
GPI_2
C
GND
B
SHARE_CLK
J2
2
4
6
8
10
12
14
16
18
20
V+ 1
3.3V or 5V 2
GND 3
SCK/SCL 4
MISO 5
CS 6
MOSI/SDA 7
GND 8
EESDA 9
EEVCC 10
EESCL 11
EEGND 12
GND 13
GPIO_1 14
1
3
5
7
9
11
13
15
17
19
D
HEADER 14POS 2MM VERT GOLD
J4
CONTROL1
SOCKET 20 DUAL ROW
CONTROL0
ALERTB
WDI/RESETB
EESDA
EEVCC
EESCL
A
1630 McCarthy Blvd.
Milpitas, CA 95035
Phone: (408)432-1900
LINEAR TECHNOLOGY HAS MADE A BEST EFFORT TO DESIGN A APPROVALS
CIRCUIT THAT MEETS CUSTOMER-SUPPLIED SPECIFICATIONS;
TECHNOLOGY Fax: (408)434-0507
HOWEVER, IT REMAINS THE CUSTOMER'S RESPONSIBILITY TO DRAWN: CHRIS P.
LTC Confidential-For Customer Use Only
VERIFY PROPER AND RELIABLE OPERATION IN THE ACTUAL
CHECKED:
TITLE: LTC2977 8-CHANNEL PM BUS POWER SYSTEM MANAGER
APPLICATION. COMPONENT SUBSTITUTION AND PRINTED
CUSTOMER NOTICE
CONTRACT NO.
CIRUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT
APPROVED:
PERFORMANCE OR RELIABILITY. CONTACT LINEAR
TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE.
ENGINEER:DAVE C.
DESIGNER:
SIZE
DWG NO.
A
LTC2977IUP
THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS.
Wednesday, August 14, 2013
DATE:
5
4
3
2
REV
DC1360B
B
SHEET
1
2 OF 4
A
5
4
J5 HEADER
PROVIDES ACCESS TO LINES GOING TO
OMPANION POWER SUPPLY BOARD
(OPTIONAL)
3
2
1
R35 0
VSENSEM0_OUT VSENSEP0
VSENSEM0
J1 CONNECTOR
TO POWER SUPPLY COMPANION BOARD
R43 0
VSENSEP0_OUT
C41
C49
OPT.
OPT.
R57
VDACM0
100
R36 0
1
D
2
1
VIN_EN
3
4
VIN_SNS
VIN_EN
3
4
VIN_SNS
VOUT_EN6
5
6
VOUT_EN7
VOUT_EN6
5
6
VOUT_EN7
VOUT_EN4
7
8
VOUT_EN5
VOUT_EN4
7
8
VOUT_EN5
VOUT_EN2
9
10
VOUT_EN3
VOUT_EN2
9
10
VOUT_EN3
VOUT_EN0
11
12
VOUT_EN1
VOUT_EN0
11
12
VOUT_EN1
R44 0
VSENSEM1_OUT VSENSEP1
VSENSEM1
2
VSENSEP1_OUT
D
C42
C50
OPT.
OPT.
100
R37 0
R45 0
VSENSEM2_OUT VSENSEP2
VSENSEM2
VSENSEP2_OUT
C43
VSENSEP7_OUT
VSENSEP6_OUT
VSENSEP5_OUT
13
15
17
14
16
18
VSENSEM7_OUT
VSENSEP7_OUT
VSENSEM6_OUT
VSENSEP6_OUT
VSENSEM5_OUT
VSENSEP5_OUT
13
15
17
14
16
18
C51
OPT.
OPT.
VSENSEM7_OUT
R38 0
R46 0
VSENSEM3_OUT VSENSEP3
VSENSEM3
VSENSEM5_OUT
VSENSEP3_OUT
C44
19
20
VDACM7
VDACP7
19
20
VDACM7
VDACM6
21
22
VDACP6
VDACM6
21
22
VDACP6
VDACP5
23
24
VDACM5
VDACP5
23
24
VDACM5
+12V
25
26
+12V
+12V
25
26
+12V
VDACM4
27
28
VDACM4
27
28
R51
VDACM2
100
VSENSEM6_OUT
VDACP7
R54
VDACM1
C52
OPT.
OPT.
R52
VDACM3
100
C
VSENSEP4_OUT
29
30
31
32
33
34
VDACP4
VSENSEM4_OUT
VSENSEP4_OUT
29
30
31
32
33
34
R39 0
VSENSEM4_OUT VSENSEP4
VSENSEM4
VSENSEP4_OUT
C45
VDACP4
C53
OPT.
OPT.
VSENSEM4_OUT
C
R47 0
R56
VDACM4
100
VDACP3
VSENSEP3_OUT
VSENSEP2_OUT
VDACP2
35
37
VSENSEP1_OUT
39
36
38
40
VDACM3
VSENSEM3_OUT
VSENSEM2_OUT
VDACM2
VSENSEM1_OUT
VDACP3
VSENSEP3_OUT
VSENSEP2_OUT
VDACP2
35
37
VSENSEP1_OUT
39
36
38
40
VDACM3
R40 0
VSENSEM3_OUT
VSENSEM2_OUT
R48 0
VSENSEM5_OUT
VSENSEM5
VSENSEP5_OUT
VSENSEP5
C46
C54
OPT.
OPT.
VDACM2
100
R41 0
VDACP1
B
41
VDACM0
43
VSENSEP0_OUT
SPARE_4
45
47
PWRGD
SPARE_5
42
VDACM1
VDACP1
44
VDACP0
VDACM0
46
48
49
50
51
52
53
VSENSEM0_OUT
SPARE_1
41
43
VSENSEP0_OUT
SPARE_4
SPARE_2
PWRGD
SPARE_3
SPARE_5
54
45
47
VDACM1
44
VDACP0
48
49
50
51
52
53
J5
42
46
R49 0
VSENSEM6_OUT
VSENSEM6
VSENSEP6_OUT
VSENSEP6
C47
VSENSEM0_OUT
C55
OPT.
OPT.
VDACM6
100
SPARE_2
VSENSEM7
R42 100
VSENSEM7_OUT
R50 100
VSENSEP7_OUT
VSENSEP7
SPARE_3
C48
.47uF
54
C56
.47uF
R55
VDACM7
100
J1
CONTRACT NO.
LINEAR TECHNOLOGY HAS MADE A BEST EFFORT TO DESIGN A APPROVALS
CIRCUIT THAT MEETS CUSTOMER-SUPPLIED SPECIFICATIONS;
HOWEVER, IT REMAINS THE CUSTOMER'S RESPONSIBILITY TO DRAWN: CHRIS P.
VERIFY PROPER AND RELIABLE OPERATION IN THE ACTUAL
CHECKED:
APPLICATION. COMPONENT SUBSTITUTION AND PRINTED
CIRUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT
APPROVED:
PERFORMANCE OR RELIABILITY. CONTACT LINEAR
TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE.
ENGINEER:DAVE C.
DESIGNER:
1630 McCarthy Blvd.
Milpitas, CA 95035
Phone: (408)432-1900
TECHNOLOGY Fax: (408)434-0507
LTC Confidential-For Customer Use Only
TITLE: LTC2977 8-CHANNEL PM BUS POWER SYSTEM MANAGER
SIZE
DWG NO.
A
LTC2977IUP
THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS.
4
3
2
REV
DC1360B
Wednesday, August 14, 2013
DATE:
5
B
R58
SPARE_1
CUSTOMER NOTICE
A
R53
VDACM5
VSENSEM1_OUT
B
SHEET
1
3 OF 4
A
5
4
3
2
1
DEMO BOARD IDENTITY EEPROM
EEVCC
D
+12V
D
+3.3V
(3.0-3.6V)
+12V_TST
TP19
TP18
+3.3V LINEAR REGULATOR
R62
100
C11
+3.3V
6
7
8
+ C58
C14
TANT. 25V
3.3uF
SHDNB
BYP
GND
GND
GND
IN
SENSE/ADJ
OUT
4
2
C15
CER. 10V MIN
10uF
2
R14
4.99K
100nF
1
C39
0.01uF
3
R13
4.99K
U3
R61
0
U2
5
R12
4.99K
3
4
A0
VCC
A1
WP
A2
SCL
VSS
SDA
8
7
6
EESCL
5
EESDA
24LC025
1
OFF
LT1763CS8-3.3
ON
1uF
WRITE-PROTECT
JP4
C
C
GROUND TEST POINTS
TP2 TP3 TP4 TP5
B
B
1630 McCarthy Blvd.
Milpitas, CA 95035
Phone: (408)432-1900
LINEAR TECHNOLOGY HAS MADE A BEST EFFORT TO DESIGN A APPROVALS
CIRCUIT THAT MEETS CUSTOMER-SUPPLIED SPECIFICATIONS;
TECHNOLOGY Fax: (408)434-0507
HOWEVER, IT REMAINS THE CUSTOMER'S RESPONSIBILITY TO DRAWN: CHRIS P.
LTC Confidential-For Customer Use Only
VERIFY PROPER AND RELIABLE OPERATION IN THE ACTUAL
CHECKED:
TITLE: LTC2977 8-CHANNEL PM BUS POWER SYSTEM MANAGER
APPLICATION. COMPONENT SUBSTITUTION AND PRINTED
CUSTOMER NOTICE
A
CONTRACT NO.
CIRUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT
APPROVED:
PERFORMANCE OR RELIABILITY. CONTACT LINEAR
TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE.
ENGINEER:DAVE C.
DESIGNER:
SIZE
DWG NO.
A
LTC2977IUP
THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS.
Wednesday, August 14, 2013
DATE:
5
4
3
2
REV
DC1360B
B
SHEET
1
4 OF 4
A
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