background image

14

DEMO MANUAL DC2652A-A

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

Summary of Contents for DC2652A-A

Page 1: ...roduces power based on configuration resistors or with the set ting in its non volatile memory without the need for any serial bus communication This allows easy evaluation of All registered trademark...

Page 2: ...efficiency measurement 2 When measuring the output or input voltage ripple do not use the long ground lead on the oscilloscope probe Figure 3 for the proper scope probe technique Short stiff leads ne...

Page 3: ...AL DC2652A A Rev 0 QUICK START PROCEDURE Figure 2 Proper Measurement Equipment Setup Figure 3 Measuring Output Voltage Ripple VOUT0 IOUT0 IOUT1 VOUT1 VIN IIN POWER SUPPLY LOAD0 LOAD1 DC2652A A F02 VOU...

Page 4: ...e DC1613A dongle may be plugged when VIN is present USB CABLE VIN VOUT0 LOAD0 LOAD1 VOUT1 12 PIN J12 CONNECTOR USB TO I2 C PMBUS DONGLE DC1613A INPUT POWER SUPPLY LTC3888 DEMO BOARD DC2652A A VOUT0 1...

Page 5: ...EP 20A DIV DC2652A A F08 100 s DIV VOUT0 20MHz BW 10mV DIV DC2652A A F09 1 s DIV VOUT1 20MHz BW 10mV DIV DC2652A A F10 1 s DIV Figure 7 VOUT0 Load Transient Response at VIN 12V VOUT0 1 0V Figure 9 VOU...

Page 6: ...6 DEMO MANUAL DC2652A A Rev 0 Figure 11 Thermal at VIN 12V VOUT0 1 0V IOUT0 120A VOUT1 1 0V IOUT1 120A TA 23 C No Airflow QUICK START PROCEDURE...

Page 7: ...ic and debug features It becomes a valuable diagnostic tool during board bring up to program or tweak the power management scheme in a system or to diagnose power issues when bringing LTPOWERPLAY SOFT...

Page 8: ...the R RAM to PC icon to read theRAMfromtheLTC3888 Thisreadstheconfiguration from the RAM of LTC3888 and loads it into the GUI d If you want to change the output voltage to a different value like 1 8V...

Page 9: ...1 C9 CAP 1 F X7R 16V 20 0603 AVX 0603YC105MAT2A 8 1 C10 CAP 2 2 F X5R 16V 10 0603 KEMET C0603C225K4PAC7867 9 2 C11 C108 CAP 2 2 F X5R 16V 10 0805 AVX 0805YD225KAT2A 10 16 C12 C14 C23 C25 C30 C32 C37 C...

Page 10: ...UHG LINEAR TECH LTC3888IUHG PBF 39 8 U2 U3 U4 U5 U6 U7 U8 U9 IC Powerstage Gate Driver DrMOS PQFN 5mm 6mm 70A INFINEON TDA21470AUMA1 40 1 U22 IC 1A SYNC STEP DOWN CONVERTER DFN 14 LINEAR TECH LTC3646E...

Page 11: ...R124 R125 R127 R129 R130 R131 R133 R135 R138 R140 RES 0 1 16W 0402 NIC NRC04ZOTRF 25 0 R4 R7 R11 R26 R33 R35 R56 R60 R62 R70 R73 R77 R84 R87 R92 R100 R103 R106 R114 R118 R120 R128 R132 R134 RES OPTION...

Page 12: ...CRCW08050000Z0EA 50 2 R242 R246 RES 332k 1 1 10W 0603 AEC Q200 NIC NRC06F3323TRF 51 2 R243 R245 RES 3 32k 1 1 10W 0603 AEC Q200 PANASONIC ERJ3EKF3321V 52 2 R262 R263 RES 1 1 1 8W 0805 AEC Q200 VISHAY...

Page 13: ...J1 J2 J3 J4 J5 J6 NUT HEX 10 32 STEEL ZINC PLATE KEYSTONE 4705 6 6 J1 J2 J3 J4 J5 J6 RING LUG 10 CRIMP 16 14 AWG NON INSULATED SOLDERLESS TERMINALS KEYSTONE 8205 7 6 J1 J2 J3 J4 J5 J6 WASHER FLAT STEE...

Page 14: ...ONS 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...

Page 15: ...22 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 S...

Page 16: ...MATIC 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...

Page 17: ...T 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...

Page 18: ...IC 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 T...

Page 19: ...ANCE 2555 AUGUSTINE DRIVE www analog com ANALOG DEVICES AHEAD OF WHAT S POSSIBLE TM SANTA CLARA CA 95054 6 8 LT YL LTC3888UHG 8 PHASE DUAL OUTPUT SYNCHRONOUS BUCK DC2652A 710 DC2652A A B _REV03 N A Mo...

Page 20: ...VICES AHEAD OF WHAT S POSSIBLE TM SANTA CLARA CA 95054 7 8 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 A...

Page 21: ...TS 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 OPE...

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...

Reviews: