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UG:305 

Page 6

Figure 7

 

Schematic of edge connector

PAD Definitions

Schematic Symbol

Table 3 

PAD Definitions

PAD

Name

Descirption

P1,P2

PGND

Power ground connection for the input supply and output load

P3

VOUT

Output voltage connection

P4

VIN

Input voltage connection

1, 2, 6, 7, 8, 10

SGND

Signal ground used as reference for I/O measurements

11, 12

PGND

Power ground used as reference for input and output voltage measurements

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 status pin

21

ADR0

Factory use only 

22

VDR

Internal generated 5.1V supply for gate drivers and internal logic

23

ISN

Remote‑sensed output voltage, after the IMON resistor

24

VIN

Input supply voltage measured at SiP’s input

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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