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Enpirion

®

 Power Evaluation Board User Guide 

EN5367QI PowerSoC 

 

 

Figure 5: EN5367QI Evaluation  Board Schematic

 

Use combination

1206/0805 footprint C6-7

0805

0805

0805

0805

1206

1206

1206

1206

0805

0402

0402

08

0

5

0

80

5

0

80

5

0

80

5

0

80

5

0

80

5

PVIN

PVIN

S_IN

C16

04

0

2

J1

1

2

3

5

6

7

9

1

0

1

1

1

3

1

4

1

5

1

7

1

8

1

9

R2

C1

C2

R5

R3

R4

TP23

TP24

U1

EN5367QI

NC1

1

NC2

2

NC3

3

NC4

4

NC5

5

NC6

6

NC7

7

NC8

8

NC9

9

VOU

T

1

0

VOU

T

1

1

VOU

T

1

2

VOU

T

1

3

VOU

T

1

4

VOU

T

1

5

VOU

T

1

6

VOU

T

1

7

NC1

8

1

8

N

C

(SW

)1

9

1

9

N

C

(SW

)2

0

2

0

PGN

D

2

1

PGN

D

2

2

PGN

D

2

3

PGN

D

2

4

PGN

D

2

5

PGN

D

2

6

PGN

D

2

7

SY NC/LLM

36

BGND

35

VDDB

34

BTMP

33

PG

32

PVIN

31

PVIN

30

PVIN

29

PVIN

28

NC5

4

5

4

NC5

3

5

3

N

C

(SW

)5

2

5

2

N

C

(SW

)5

1

5

1

N

C

(SW

)5

0

5

0

N

C

(SW

)4

9

4

9

NC4

8

4

8

AVI

N

4

7

AGN

D

4

6

NC4

5

4

5

VF

B

4

4

SS

4

3

R

L

LM

4

2

EAOU

T

4

1

NC4

0

4

0

POK

3

9

EN

ABL

E

3

8

VD

R

OOP

3

7

ENA

VDROOP

SYNC/LLM

08

0

5

POK

R8

J7

C

1

0

TP26

TP27

C17

R10

R11

R12

R13

TP3

TP4

TP5

TP6

TP7

TP8

TP9

Provision for

dynamic voltage

adjustment

R9

C11

EAOUT

VFB

VFB

EAOUT

VFB

TP29

C3

TP30

FB1

C4

C5

C6

C7

TP10

TP11

TP12

R14

C8

TP13

TP14

TP15

C9

R1

TP16

AVIN

J2

1

3

5

2

4

6

8

7

ENA

VDROOP

SYNC/LLM

POK

AGND

N/U

08

0

5

08

0

5

08

0

5

0805

TP17

J3

J4

J5

J6

+

C13

D1

U2

R15

C14

TP1

1

2

TP2

1

2

R6

C15

VOUT

VOUT

PVIN

SMA

 2

TP22

1

2

SCH 05820

PCB 05707

    05837 Caps on back

    05839 Caps on top and back

SMA

 2

TP25

1

2

R7

VIN

GND

VOUT

GND

TP18

TP19

TP20

TP21

VIN

GND

VOUT

04

0

2

GND

C18

C12

Use combination

1206/0805 footprint C4-5

Page 6 of 8 

www.altera.com/enpirion

 

Summary of Contents for Enpirion EN5367QI-E

Page 1: ... with a 4 resistor divider option The upper resistor is fixed and has a phase lead capacitor in parallel One of 4 lower resistors is selected with the jumper option for different output voltages to change VOUT retain the upper resistor and capacitor values and change only the lower resistor This device has no over voltage protection feature If making modifications to the board we strongly recommen...

Page 2: ...ion allows for moving any offending beat frequency to be moved out of band A swept frequency applied to this pin results in spread spectrum operation and reduces the peaks in the noise spectrum of emitted EMI The board comes with input decoupling and reverse polarity protection to guard the device against common setup mishaps Quick Start Guide STEP 1 Set the ENABLE jumper to the Disable Position a...

Page 3: ...measurements may be conducted at this point The over current trip level short circuit protection under voltage lock out thresholds temperature coefficient of the output voltage may also be measured in this configuration CAUTION The maximum allowable VIN for this device is 5 5V STEP 6A Power Up Down Behavior Remove ENA jumper and connect a pulse generator output disabled signal to the clip on test ...

Page 4: ...e specified range To observe phase lock connect oscilloscope probes to the input clock as well as to the SW test point Phase lock range can be determined by sweeping the external clock frequency up down until the device just goes out of lock at the two extremes of its range For spread spectrum operation the input clock frequency may be swept between two frequencies that are within the lock range T...

Page 5: ...Enpirion Power Evaluation Board User Guide EN5367QI PowerSoC Figure 4 Evaluation Board Layout Top and Assembly Layers Page 5 of 8 www altera com enpirion ...

Page 6: ...9 PVIN 28 NC54 54 NC53 53 NC SW 52 52 NC SW 51 51 NC SW 50 50 NC SW 49 49 NC48 48 AVIN 47 AGND 46 NC45 45 VFB 44 SS 43 RLLM 42 EAOUT 41 NC40 40 POK 39 ENABLE 38 VDROOP 37 ENA VDROOP SYNC LLM 0805 POK R8 J7 C10 TP26 TP27 C17 R10 R11 R12 R13 TP3 TP4 TP5 TP6 TP7 TP8 TP9 Provision for dynamic voltage adjustment R9 C11 EAOUT VFB VFB EAOUT VFB TP29 C3 TP30 FB1 C4 C5 C6 C7 TP10 TP11 TP12 R14 C8 TP13 TP14...

Page 7: ...asurement please see Enpirion App Note regarding this subject www altera com enpirion 4 The board includes a pull up resistor for the POK signal and ready to monitor the power OK status at clip lead marked POK 5 A 47nF soft start capacitor is populated on the board for 3msec soft start time 6 The over current protection circuit typically limits the maximum load current to approximately 1 5X the ra...

Page 8: ...NPIRION HARDCOPY MAX MEGACORE NIOS QUARTUS and STRATIXwordsand logosare trademarksof Altera Corporation andregistered inthe U S Patent and TrademarkOffice and inother countries All other wordsand logosidentified astrademarksor service marks are the property of their respective holdersasdescribed at www altera com common legal html Altera warrantsperformance of its semiconductor productsto current ...

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