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UG:305 

Page 3

ADDR0

A

DDR

1

EA

IN

SYNC

O

SYNC

I

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SENS

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PG

D

Tie

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PG

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AB

LE

COMP

TR

K

SC

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SD

A

VS1

VS2

EA

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TR

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SGND

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SGND

2

DN

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PG

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E

VI

N_

F

LGH

A7

EN

A5

SY

NC

I

B1

VDIF

F

A1

1

VS1

K4

EA

IN

A1

2

VS

P

A1

0

VS

N

A9

COMP

A8

SY

NC

O

C1

SC

L

A3

AD

DR

0

A2

AD

DR

1

A1

SD

A

A4

TRK

A6

SGND

B14

EAO

A13

VD

R

E1

VS1

K5

VOUT

J1

4

VOUT

K1

3

VI

N

J1

PG

D

D1

VI

N

H1

PG

ND

K7

VI

N

K1

VS2

K10

VI

N

K2

VI

N

G1

VOUT

H1

4

VOUT

G1

4

PG

ND

K8

VOUT

K1

4

VS2

K11

IM

ON

A1

4

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4

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4

PI374

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ADDR1/FT

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RSYNCI

C1

C2

C3

C4

C5

C7

C8

C9

C1

0

C1

1

C1

2

1

J2

1

J3

1

J1

1

J4

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ND

VI

N

VOUT

VI

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FILT

RSENSE

IMON

DN

P

R1

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P

R3

DN

P

R2

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P

R4

ADDR

1

AD

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VD

R

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JV

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VS

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VDIF

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VS

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VSP

C6

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C1

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RI

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A

SCL

ENABLE

EA

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VS

P

VD

IF

F

PG

D

VS

N

SY

NC

I

1 2 3 4 5 6 7 8

P1

P2

P3

P4

SAMTEC LPHS-04-24

9 10 11 12

13 14 15 16 17 18 19 20 21 22 23 24

CN

1

SAMT

EC 

LP

HS

 HO

RZ 

Edge

 Conn

VS

N

VDIF

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RD

IFF1

RD

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REA1

REA4

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P

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CEAIN1

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P

EX

T_

VREF

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REA2

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C

PCBNumbe

r

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P

RZ

2

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1

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Ju

mp

er

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co

nn

ect 

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ON to

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r AT

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s

ng

.

DN

P

CIN

2

J6

SG

ND

ENABLE

VSU

PP

LY

FP

04

04

R1

L1

CI

N1

Tie

A1

1

GND

2

A2

3

Y2

4

VCC

5

Y1

6

U1 N

C7W

Z14

2

3

D1

A

1

4

D1

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R5

VD

R

4

1

2

3

TO

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PCBNumbe

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1

2

MECH 

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3

HC

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20

6-

R

LMAG

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F2

Fiducia

ls

PCB020

3

-VO SENSE 

1

VO

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1

SGND

1

EN

2

SD

A

3

SC

L

4

H1  

Factory Test Header

J5

SG

ND

RS

CL

RSDA

Figure 1

 

Evaluation board schematic

Summary of Contents for PI3741-0x-EVAL1

Page 1: ...but can be easily reconfigured for differential measurements by adding extra 0603 resistors The I O pins are brought out to the right edge of the evaluation board to allow for easy monitoring or for adding additional circuitry The status of the PGD pin is indicated by a dual colored LED red indicating a fault and green indicating no faults The SYNCO sync out and SYNCI sync in pins are accessible t...

Page 2: ...Ω Resistor 1 0 1W 0603 Rohm MCR03EZPFX1002 1 REA1 14 0kΩ for PI3741 00 Resistor 1 0 1W 0603 Yageo RC0603FR 0714KL 29 1kΩ for PI3741 01 Resistor 1 0 1W 0603 KOA Speer RN73H1JTTD2912F50 1 REA4 1 07kΩ Resistor 1 0 1W 0603 Yageo RC0603FR 071K07L 1 RGP 49 9Ω Resistor 1 0 1W 0603 Rohm MCR03ERTF49R9 1 RIN 0 51Ω Resistor 1 0 25W 1206 Rohm MCR18EZHFLR510 1 RSENSE 0 005Ω Resistor 1 1W 2512 Panasonic ERJ M1W...

Page 3: ...P R3 DNP R2 DNP R4 ADDR1 ADDR0 VDR IMON JVIN JVOUT VSP VDIFF VSN VSP C6 ISN C13 C14 DNP RIMON RIN ISP Tie VOUT VIN ADDR0 ADDR1 SYNCO VDR DAC VIN_FILT ISN SDA SCL ENABLE EAO VSP VDIFF PGD VSN SYNCI 1 2 3 4 5 6 7 8 P1 P2 P3 P4 SAMTEC LPHS 04 24 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 CN1 SAMTEC LPHS HORZ Edge Conn VSN VDIFF RDIFF1 RDIFF2 REA1 REA4 RGP JGP CEAIN1 DNP EXT_VREF REA3 DNP REA2 DAC...

Page 4: ...rovides an access point that allows the user to add a small signal in the feedback loop to make Gain Phase measurements The jumper J5 will connect the IMON output signal to the positive input of the general purpose amplifier allowing this signal to be scaled The J6 jumper will disable the converter when connected JVIN is an unpopulated Johnson Jack location that may be used to measure input ripple...

Page 5: ...Assembly series available from Samtec s website PCB Dimensions n n Recommended PCB layout for LPHS XX XX X VXX XX PCB Layout pdf n n Right angle Socket LPHS XX XX X RTX XX MKT pdf n n Vertical Socket LPHS XX XX X VXX XX MKT pdf PAD Numbering Figure 4 Edge connector details Figure 5 Top component view Figure 6 Bottom view ...

Page 6: ...ments 3 ENABLE Enable 4 SDA Factory use only 5 SCL Factory use only 9 ADR1 Factory use only 13 DAC External voltage node to adjust regulated output voltage EXT_VREF 14 EAO Error amplifier output 15 VDIFF Differential amplifier output 16 VSN Differential amplifier inverting input 17 VPN Differential amplifier non inverting input 18 SYNCO Sync output pin 19 SYNCI Sync input pin 20 PGD Power good sta...

Page 7: ...ge 7 Table 4 Design files Product Deisgn File Format Link to Download PI3741 0x EVAL1 ODB PI3741 0x Eval ODB zip PCB Design Files ODB evaluation board design files are available for download on the Vicor website ...

Page 8: ...d fit for your applications and products and to implement adequate design testing and operating safeguards for your planned application s and use s VICOR PRODUCTS ARE NOT DESIGNED AUTHORIZED OR WARRANTED FOR USE IN LIFE SUPPORT LIFE CRITICAL OR SAFETY CRITICAL SYSTEMS OR EQUIPMENT VICOR PRODUCTS ARE NOT CERTIFIED TO MEET ISO 13485 FOR USE IN MEDICAL EQUIPMENT NOR ISO TS16949 FOR USE IN AUTOMOTIVE ...

Page 9: ...Mouser Electronics Authorized Distributor Click to View Pricing Inventory Delivery Lifecycle Information Vicor PI3741 00 EVAL1 PI3741 01 EVAL1 ...

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