background image

20

Rev A

DEMO MANUAL DC2685B

DC2683A MOTHERBOARD SCHEMATIC

5

5

4

4

3

3

2

2

1

1

D

D

C

C

B

B

A

A

OUT2

B

1.  ALL RESISTORS ARE IN OHMS, 0603.      ALL CAPACITORS ARE IN MICROFARADS, 0603.

2.  INSTALL SHUNTS AS SHOWN.

NOTE: 

UNLESS 

OTHERWISE 

SPECIFIED

SDAI

N

SCL

TO DC590

WP

QU

IC

KE

VA

L F

OR

 D

EM

ON

LY

DG

ND

DG

ND

SDAOUT

VEE

AG

ND

MAIN SUPPLY 

IN

56V

AGND (+)

DG

ND

VEE 

(-)

VDD

3.3V

OUT1

A

OUT1

B

OUT2

A

PO

RT

 1

OUT3

A

OUT3

B

PO

RT 2

PO

RT 3

PO

RT 4

OUT4

A

OUT4

B

LO

HI

ADDRESS

AG

ND

AG

ND

PK

RESET#

MSD#

AD2

SDAIN

SDAOUT

SCL

OUT1

OUT2

OUT3

OUT4

OUT5

OUT7

OUT8

OUT6

INT#

VDD33

AD3

VEE

VDD

VDD

VDD

VDD

VEE

VEE

VEE

VEE

VEE

VEE

VEE

VEE

VEE

VDD

VDD

OUT1

OUT2

OUT3

OUT4

OUT5

OUT6

OUT7

OUT8

SCL

SDAIN

SDAOUT

REVIS

ION HISTORY

DESCR

IP

TI

ON

DA

TE

APPRO

VE

D

ECO

REV

DILIAN R.

PRODUCTION

__

1

03-06-18

REVIS

ION HISTORY

DESCR

IP

TI

ON

DA

TE

APPRO

VE

D

ECO

REV

DILIAN R.

PRODUCTION

__

1

03-06-18

REVIS

ION HISTORY

DESCR

IP

TI

ON

DA

TE

APPRO

VE

D

ECO

REV

DILIAN R.

PRODUCTION

__

1

03-06-18

SIZE

DATE

:

IC 

NO.

REV.

SH

EE

T

OF

TITLE:

APPRO

VAL

S

PCB DES.

APP ENG.

CUSTOMER NOTICE

ADI HAS MADE A BEST EFFORT TO 

DESIGN 

A

CIRCUIT 

THAT 

MEETS 

CUSTOMER-

SUPPLIED SPECIFICATIONS;

HO

W

EV

ER

, I

T R

EM

AI

NS

 T

HE

 C

US

TOMER'S RESPONSIBILITY TO

VE

RI

FY

 P

RO

PE

AN

D R

EL

IA

BL

E O

PE

RA

TI

ON

 IN

 T

HE

 A

CT

UA

L

AP

PL

IC

AT

IO

N.

  C

OM

PO

NE

NT

 S

UB

ST

IT

UT

IO

N A

ND

 P

RI

NT

ED

CIRCUIT

 BO

ARD L

AYO

UT

 MAY SIG

NIF

ICANT

LY

 AF

FE

CT

 CIRCUIT

PERF

ORMANCE 

OR

 REL

IABIL

IT

Y.  CO

NT

ACT

 ADI APPL

ICAT

IO

NS 

ENG

INEERING

 F

OR 

ASSIST

ANCE.

THIS CIRCUIT IS PROP

RIETARY TO ADI AND

SCHEMATIC

SUPPLIED 

FOR 

USE 

WITH 

ADI 

PARTS.

SCALE = NONE

www.l

in

ear.

co

m

www.analog.co

m

TEL: 

(408) 

432-1900

MILPITAS, CA 

95035

1630 McCARTHY BLVD.

1

Tuesday, March 06, 2018

12

IEEE 802.3bt 4-PORT PSE MOTHERBOARD

KIM T.

DILIAN R.

N/A

DEMO CIRCUIT 2683A

SIZE

DATE

:

IC 

NO.

REV.

SH

EE

T

OF

TITLE:

APPRO

VAL

S

PCB DES.

APP ENG.

CUSTOMER NOTICE

ADI HAS MADE A BEST EFFORT TO 

DESIGN 

A

CIRCUIT 

THAT 

MEETS 

CUSTOMER-

SUPPLIED SPECIFICATIONS;

HO

W

EV

ER

, I

T R

EM

AI

NS

 T

HE

 C

US

TOMER'S RESPONSIBILITY TO

VE

RI

FY

 P

RO

PE

AN

D R

EL

IA

BL

E O

PE

RA

TI

ON

 IN

 T

HE

 A

CT

UA

L

AP

PL

IC

AT

IO

N.

  C

OM

PO

NE

NT

 S

UB

ST

IT

UT

IO

N A

ND

 P

RI

NT

ED

CIRCUIT

 BO

ARD L

AYO

UT

 MAY SIG

NIF

ICANT

LY

 AF

FE

CT

 CIRCUIT

PERF

ORMANCE 

OR

 REL

IABIL

IT

Y.  CO

NT

ACT

 ADI APPL

ICAT

IO

NS 

ENG

INEERING

 F

OR 

ASSIST

ANCE.

THIS CIRCUIT IS PROP

RIETARY TO ADI AND

SCHEMATIC

SUPPLIED 

FOR 

USE 

WITH 

ADI 

PARTS.

SCALE = NONE

www.l

in

ear.

co

m

www.analog.co

m

TEL: 

(408) 

432-1900

MILPITAS, CA 

95035

1630 McCARTHY BLVD.

1

Tuesday, March 06, 2018

12

IEEE 802.3bt 4-PORT PSE MOTHERBOARD

KIM T.

DILIAN R.

N/A

DEMO CIRCUIT 2683A

SIZE

DATE

:

IC 

NO.

REV.

SH

EE

T

OF

TITLE:

APPRO

VAL

S

PCB DES.

APP ENG.

CUSTOMER NOTICE

ADI HAS MADE A BEST EFFORT TO 

DESIGN 

A

CIRCUIT 

THAT 

MEETS 

CUSTOMER-

SUPPLIED SPECIFICATIONS;

HO

W

EV

ER

, I

T R

EM

AI

NS

 T

HE

 C

US

TOMER'S RESPONSIBILITY TO

VE

RI

FY

 P

RO

PE

AN

D R

EL

IA

BL

E O

PE

RA

TI

ON

 IN

 T

HE

 A

CT

UA

L

AP

PL

IC

AT

IO

N.

  C

OM

PO

NE

NT

 S

UB

ST

IT

UT

IO

N A

ND

 P

RI

NT

ED

CIRCUIT

 BO

ARD L

AYO

UT

 MAY SIG

NIF

ICANT

LY

 AF

FE

CT

 CIRCUIT

PERF

ORMANCE 

OR

 REL

IABIL

IT

Y.  CO

NT

ACT

 ADI APPL

ICAT

IO

NS 

ENG

INEERING

 F

OR 

ASSIST

ANCE.

THIS CIRCUIT IS PROP

RIETARY TO ADI AND

SCHEMATIC

SUPPLIED 

FOR 

USE 

WITH 

ADI 

PARTS.

SCALE = NONE

www.l

in

ear.

co

m

www.analog.co

m

TEL: 

(408) 

432-1900

MILPITAS, CA 

95035

1630 McCARTHY BLVD.

1

Tuesday, March 06, 2018

12

IEEE 802.3bt 4-PORT PSE MOTHERBOARD

KIM T.

DILIAN R.

N/A

DEMO CIRCUIT 2683A

Q12 ZVP3310FTA

1

2

3

R24 20k 1206

R34 10M 1%

C65

0.1uF

R31 806k 1%

E5

R15 316k

Q15 ZVP3310FTA

1

2

3

D25 GREEN

OUT4B

2

1

TP29

D13 GREEN

OUT1B

2

1

R7 10M 1%

R36 10M 1%

Q10 ZVP3310FTA

1

2

3

Q14 ZVP3310FTA

1

2

3

R2 10k

R17 10M 1%

C4

0.1uF

D7

ORANGE

VDD

2

1

R28 20k 1206

J3

C66 1uF 100V 1812

J2

EEPROM

ARRAY

U2

24LC025-I /ST

SDA

5

VCC

8

A0

1

A1

2

A2

3

GND

4

WP

7

SCL

6

Q9 ZVP3310FTA

1

2

3

Q13 ZVP3310FTA

1

2

3

R37 20k 1206

R6 806k 1%

R33 806k 1%

REP3 5.1k

R29 806k 1%

E2

D26 GREEN

OUT3A

2

1

D23

BZX84C5V6 1

3

E16

R14 499k

D14 GREEN

OUT2A

2

1

R8 20k 1206

E14

INT

R13 1k

E1

E8

R30 10M 1%

R23 10M 1%

D12 GREEN

OUT1A

2

1

U1

LT3010EMS8E

SHDN

5

IN

8

OUT

1

ADJ

2

NC

3

GND

4

NC

7

NC

6

GND

9

R32 10M 1%

E11

SW2

MSD

E17

D24 GREEN

OUT4A

2

1

R35 806k 1%

R16 806k 1%

D18 5.0SMDJ58A

2

1

R20 10M 1%

R21 20k 1206

R22 806k 1%

ON

1 2

SW3

WE, 418117270902

1

2

3

4

E20

J6

MOLEX, 87831-1420

1

3

2

4

5

6

7

8

9

10

11

13

12

14

R46 1M

C68 220pF

SW1

RESET

E12

E3

R26 20k 1206

R27 20k 1206

+

C1 47uF 100V

E4

Q11 ZVP3310FTA

1

2

3

REP5 5.1k

E19

E18

R19 806k 1%

D20

5.0SMDJ58A

2

1

R1 10k

R40 0

J7

MMS-130-02-T-SV

7

7

1

1

3

3

5

5

9

9

11

11

13

13

15

15

17

17

19

19

21

21

25

25

27

27

29

29

23

23

2

2

4

4

6

6

8

8

10

10

12

12

14

14

16

16

18

18

20

20

22

22

24

24

26

26

28

28

30

30

Q16 ZVP3310FTA

1

2

3

C67 1uF

E6

D5

ORANGE

VEE

2

1

R42 0

1206

E15

C69 1uF

R41 0

1206

E13

R38 20k 1206

R43 1k

REP4 5.1k

R18 20k 1206

R10 0

E9

D27 GREEN

OUT3B

2

1

E10

E7

D6 RED

INT

2

1

D15 GREEN

OUT2B

2

1

Summary of Contents for LINEAR DC2683A

Page 1: ...Up to four IEEE 802 3af IEEE 802 3at or IEEE 802 3bt powered devices PDs can be connected and powered from this All registered trademarks and trademarks are the property of their respective owners BO...

Page 2: ...other 5 Connect a supply to the motherboard with the posi tive rail to AGND and negative rail to VEE as shown in Figure 3 Use a power supply capable of sourcing the maximum delivered power for all fou...

Page 3: ...3 Rev A DEMO MANUAL DC2685B QUICK START PROCEDURE Figure 1 DC2684A B Jumpers AUTO 4PV PM0 and PM1 Figure 2 Inserting the DC2684A B Daughter Card Into J7 of the DC2683A Motherboard...

Page 4: ...is powered Table 3 DC2685B Power Supply Voltage Range per PSE Type IEEE TYPE Supply Voltage Range Type 3 51V to 57V Type 4 53V to 57V Table 4 DC2685B Address Settings SW3 ADDRESS AD3 AD2 LO LO 20h LO...

Page 5: ...A B demonstrates proper LTC4291 1 LTC4292 board layout on a compact daughter card approximately the height and width of a 2 4 RJ45 connector Isolation and Power Supplies The LTC4291 1 LTC4292 chipset...

Page 6: ...R10 respectively This sets these two address bits low Address pins AD2 and AD3 are brought out to the 30 pin connector for con figuration on the motherboard See Figure 6 and Table 4 4PV Jumpers The 4P...

Page 7: ...ect before applying power LED Indicators VEE LED D5 and VDD LED D7 indicate if a voltage is present at these supplies Verify these LEDs are off before inserting or removing the daughter card Each pair...

Page 8: ...OT install jumper make no connections JP2 MODE Do NOT install jumper make no connections JP3 Watchdog Enables Do NOT install jumper make no connections JP4 EE Jumper MUST be in the EN position JP5 SW...

Page 9: ...9 Rev A DEMO MANUAL DC2685B DC2684A B DAUGHTER CARD LAYOUT FILES Figure 7 DC2684A B Top Silkscreen Figure 8 DC2684A B Top Layer...

Page 10: ...10 Rev A DEMO MANUAL DC2685B DC2684A B DAUGHTER CARD LAYOUT FILES Figure 9 DC2684A B Inner Layer 2 Figure 10 DC2684A B Inner Layer 3...

Page 11: ...11 Rev A DEMO MANUAL DC2685B DC2684A B DAUGHTER CARD LAYOUT FILES Figure 11 DC2684A B Bottom Layer Figure 12 DC2684A B Bottom Silkscreen...

Page 12: ...12 Rev A DEMO MANUAL DC2685B DC2683A MOTHER BOARD LAYOUT FILES Figure 13 DC2683A Top Silkscreen...

Page 13: ...13 Rev A DEMO MANUAL DC2685B DC2683A MOTHER BOARD LAYOUT FILES Figure 14 DC2683A Top Layer...

Page 14: ...14 Rev A DEMO MANUAL DC2685B Figure 15 DC2683A Inner Layer 2 DC2683A MOTHER BOARD LAYOUT FILES...

Page 15: ...15 Rev A DEMO MANUAL DC2685B Figure 16 DC2683A Inner Layer 3 DC2683A MOTHER BOARD LAYOUT FILES...

Page 16: ...16 Rev A DEMO MANUAL DC2685B Figure 17 DC2683A Bottom Layer DC2683A MOTHER BOARD LAYOUT FILES...

Page 17: ...17 Rev A DEMO MANUAL DC2685B Figure 18 DC2683A Bottom Silkscreen DC2683A MOTHER BOARD LAYOUT FILES...

Page 18: ...S PCB DES APP ENG CUSTOMER NOTICE ADI 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 RELIA...

Page 19: ...ANCE THIS CIRCUIT IS PROPRIETARY TO ADI AND SCHEMATIC SUPPLIED FOR USE WITH ADI PARTS SCALE NONE www linear com www analog com TEL 408 432 1900 MILPITAS CA 95035 1630 McCARTHY BLVD 2 2 2 IEEE 802 3bt...

Page 20: ...DI PARTS SCALE NONE www linear com www analog com TEL 408 432 1900 MILPITAS CA 95035 1630 McCARTHY BLVD 1 Tuesday March 06 2018 1 2 IEEE 802 3bt 4 PORT PSE MOTHERBOARD KIM T DILIAN R N A DEMO CIRCUIT...

Page 21: ...R 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...

Page 22: ...disclose or transfer any portion of the Evaluation Board to any other party for any reason Upon discontinuation of use of the Evaluation Board or termination of this Agreement Customer agrees to promp...

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