Intel Enpirion EM21 Series Manual de usuario

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current specifications in accordance with Intel's standard warranty, but reserves the right to make changes to any products and services at any time without

notice. Intel assumes no responsibility or liability arising out of the application or use of any information, product, or service described herein except as

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User Guide

Intel® Enpirion® Power Solutions

EM21xx

Evaluation Board User Guide

User Guide | Intel® Enpirion® Power Solutions

EM21xx Evaluation Board User Guide

Contents

1. Description........................................................................................................................................................................ 3

2. Required Equipment..................................................................................................................................................... 3

3. Evaluation Board Overview........................................................................................................................................ 4

4. Instructions....................................................................................................................................................................... 5

5. Evaluation Board Schematic...................................................................................................................................... 7

6. Bill of Materials................................................................................................................................................................ 9

7. Revision History ............................................................................................................................................................12

List of Figures

Figure 1: EM21xx Evaluation Board Overview (View From Top - EM2130H shown as an example).. 4

Figure 2: “L” and “H” Jumper Table, Marked On The EM21xx Evaluation Board Silk Screen................ 6

Figure 3: Evaluation Board Schematic – Power......................................................................................................... 7

Figure 4: Evaluation Board Schematic – AUX............................................................................................................. 8

List of Tables

Table 1: Required Equipment........................................................................................................................................... 3

Table 2: Bill of Materials...................................................................................................................................................... 9

User Guide | Intel® Enpirion® Power Solutions

EM21xx Evaluation Board User Guide

1. Description

The EM21xx are a series of PowerSoC synchronous buck converters from the Intel® Enpirion®

Power Solutions family. The EM22xx series feature an advanced digital controller, gate

drivers, synchronous MOSFET switches, and a high performance inductor. Only input and

output filter capacitors and a few small signal components are required for a complete

solution. A PMBus™ version 1.2 compliant interface provides setup, control, and telemetry.

Differential remote sensing and ±0.5% set-point accuracy provide precise regulation over

line, load and temperature variation. Very low ripple further reduces accuracy uncertainty to

provide best in class static regulation for today’s FPGAs, ASICs, processors, and DDR

memory devices.

2. Required Equipment

Table 1: Required Equipment

Item #

Equipment

Recommended

1 DC Power Supply 20V/30A, adjustable

2 Electronic Load 50…100A with dynamic load capabilities

3 Intel Enpirion PMBus

Communication Interface Dongle

4 Intel 25A Mini Slammer Load Fits the on-board LD1 socket

5 DMM 6 ½ digit

6 Oscilloscope 4 channels, 0.5 GHz BW

7 Cables >30A capability, eyelet terminal, 4 mm

diameter hole, 10 mm outer diameter

User Guide | Intel® Enpirion® Power Solutions

EM21xx Evaluation Board User Guide

3. Evaluation Board Overview

Figure 1: EM21xx Evaluation Board Overview (View From Top - EM2130H shown as an example)

ENABLE

ON/OFF

OUTPUT

GROUND

INPUT

VOLTAGE

OUTPUT

DECOUPLING

OUTPUT

GROUND

PMBus

Communication

Interface Dongle

Connector

EM2130H

OUTPUT

MONITOR

OUTPUT

VOLTAGE

FERRITE

BEAD

OUTPUT

VOLTAGE

SELECTOR

User Guide | Intel® Enpirion® Power Solutions

EM21xx Evaluation Board User Guide

4. Instructions

1) Connect the power supply

Set the Power Supply to 12V/10A.

Connect the power supply to the board (make sure that the power supply is OFF)

with two patch cables, not longer than 12 inches (30 cm). Using longer wires is

possible, provided that additional bulk is added to the board (the C45 through-hole

capacitor footprint is available for this purpose) and the input voltage is monitored

at the board level. Please use INPUT GROUND and INPUT VOLTAGE eyelet-

terminated cables to connect the power.

Please observe the correct polarity.

CAUTION: Incorrect polarity of the power supply may cause permanent

board damage!

CAUTION: Power supply voltage above 20V may cause permanent board

damage!

2) Connect the load

Connect the load to the OUTPUT GROUND and OUTPUT voltage with patch cables,

no longer than 12 inches (30 cm).

Please observe the correct polarity.

3) Check jumper settings

The board will arrive with one jumper on the J6 (BUS – enabling control through

PMBUS), one jumper on J14 (INT – this enables the on-board 5V power supply) and

one jumper on J15 (AUX_PVIN – this biases the 5V on board DC-DC converter). If an

auxiliary 5V power supply is needed (connected between J16 (+) and J17 (-)), J14

should be placed across the “EXT” position while J15 can be removed.

Although “TRACK” and “SYNC” use 100 mils headers, they are NOT to be shorted by

jumpers.

4) Connect the PMBUS GUI interface dongle

The USB Dongle can be inserted only in the correct position, with pin one towards

GND. All pins must be properly inserted.

Prerequisite: the latest GUI software must be installed on a Windows PC.

User Guide | Intel® Enpirion® Power Solutions

EM21xx Evaluation Board User Guide

5) Set the output voltage

Using the chart from the silkscreen, please select the desired output voltage, using

ONLY ONE switch ON. This setting will be read by the module when the part is

powered on or by PMBus command; changing the resistor on the fly will not have any

effect.

6) Power-up the board

After all preparations above, the board should be ready to perform. If the GUI

interface dongle is not used, the jumper J6 should be moved to the “ON” position;

else the jumper J6 should be in the “BUS” position.

The voltage range (High/Low) is marked on the board, as shown in Figure 2:

Figure 2: “L” and “H” Jumper Table, Marked On The EM21xx Evaluation Board Silk Screen

For instruction on how to use the EM21xx GUI, please read “GUI User Guide.”

NOTE: To measure the Bode Plot of the DC-DC converter, R12 must be replaced with 50Ω resistor across which to inject

the signal, while TP18, TP20, TP8 and TP21 should be used to connect the probes of the phase analyzer.

User Guide | Intel® Enpirion® Power Solutions

EM21xx Evaluation Board User Guide

5. Evaluation Board Schematic

Figure 3: Evaluation Board Schematic – Power

C29

10u

AGND

DNI

10k

C18

DNI

R15

1k/0.1%

SALERT

C14

47U

PGND

C15

DNI

28F0181-1SR-10

C20

47U

MTHOLE

TP5

PGOOD

ADDR1

+C8

DNI

R21

10k

J22

CHF4

470nF/25V LICC

SYNC

TP18

CONTROL

TP21

C47

22u

C12

47U

1.2V

R29

15.80k

R31

10.5k

R33

6.81k

J2 1

VCCSEN

R48 DNI

DNI

C46

22u

MTHOLE

C60

100nF

1.0V

ADDR0

R17

2k/0.1%

TP10

SDA

VIN_F

C59

100nF

0.7V

C45

DNI

CTRL

SYNC

C24

C43

DNI

C31

DNI

C21

2.2uF/10V

SCL

C58

100nF

EM21xx

AGND 70

NC68 68

VSENP 71

VSENN 72

VOUT 79

VOUT

VTRACK 77

ADDR1

VOUT 80

ADDR0

RTUNE

VOUT

VCCSEN 78

RVSET

SCL

15 SDA

PGND

VDD33

16 VCC 66

NC76 76

DGND 69

PWM

VOUT 81

VINSEN

VOUT

SMBALERT

13 CONTROL

12 PGOOD

11 SYNC

PGND

PGND 60

PGND 59

PGND 58

PGND 57

PGND 56

PGND 55

PGND 54

PGND 53

PGND 52

PGND 51

PVIN 61

PVIN 62

PVIN 63

PVIN 64

PVCC 65

NC67 67

NC75 75

NC74 74

NC73 73

PVIN

VOUT 100

VOUT 99

VOUT 98

VOUT 97

VOUT 96

VOUT 95

VOUT 94

VOUT 93

VOUT 92

VOUT 91

VOUT 90

VOUT 89

VOUT 88

VOUT 87

VOUT 86

VOUT 85

VOUT 84

VOUT 83

VOUT 82

PVIN_PAD 103

PGND_PAD

104

AGND_PAD 102

VOUT_PAD 101

R60

DNI

CHF2

470nF/25V LICC

Jum per: (PN: M50-1920005)

http://ww w.digikey.com/product-detail/en/harwin-inc/M50-1920005/952-1727-ND/2890863

Heade r: (PN: GRPB031VWVN-RC)

http://ww w.digikey.com/product-detail/en/sullins-connector-solutions/GRPB031VWVN-RC/S9014E-03-ND/1786439

Jum per 2: (PN: M50-2020005)

http://ww w.digikey.com/product-detail/en/harwin-inc/M50-2020005/952-1729-ND/2890860

TP17

PGND

MTHOLE

C57

100nF

VDD3V3

R35

2.43k

C56

100nF

RVSET

PWM

28F0181-1SR-10

C55

100nF

VDD3V3

100u

R12

C22

DNI

C54

100nF

R19 0R

R13

11k/0.1%

CHF5

0.9V

R11

SMA

SMA1

PWM

TP3

AGND

C13

47U

TP8

C53

100nF

CHF7

470nF/25V LICC

C17

DNI

0.8V

CHF3

YFF21PC1E104MT00 (100nF/25V)

TP16

R22

3.3k

C52

100nF

C30

DNI

R24

2k/ 0.1%

PVIN

V_CLEAN

2N7002

RTUNE

C51

100nF

C11

DNI

TP2

GND

R20

392R

R28

23.2k

V_OUT

R30

13.0k

R32

8.66k

J13 1

C40

DNI

PVIN

VTRACK

TP4

VSENN +

C19

DNI

R16

1k/0.1%

C32

DNI

TRACK

TP14

VIN

LD1

10 11

12 13

14 15

RTUNE

FB1

742792780

VTRACK

VDD3V3

RVSET

1.12V

VTRACK1

R23

DNI

TP1

TP9

C26

22u

RVSET

100u

C49

100nF

VOUT

VSENP

0.95V

GND

C23

100uF/20V TCJE107M020x0045

R34

3.74k

C27

22u

TP20

C10

100u

470uF/2.5V/3mOhm

CTRL

R18

2k/0.1%

C16

DNI

MTHOLE

C48

100nF

CHF6

0.85V

CHF1

470nF/25V LICC

C28

22u

CHF8

470nF/25V LICC

100U

User Guide | Intel® Enpirion® Power Solutions

EM21xx Evaluation Board User Guide

Figure 4: Evaluation Board Schematic – AUX

PVIN_5V R44

C50

DNI

22uH

NR6028T220MMGJ

C33

100pF

R38

90.9k

C34 0.1u

CTRL

C37

47u

C35

47u

GND

TP6

5V0_AUX

AVINO

R45

12.4k

R43

133k

EN5V

SCL

Tss =

1.41ms

TP19

PGOOD

R42

3.32k

5V_EXT

PGOOD

R41

10k

5V Bias Supply

500mA

Ext_5V

R10

DNI

VDD3V3

R37

10k

BST5V

SDA

C41

10u

J17

SS5V

FB5V

TP7

C38

4.7nF

C39

470pF

C42

DNI

FSW5V

Fsw=700kHz

ER3105QI

SYNC

BOOT

PVIN

PGND

FSW 12

COMP 11

FB 10

AVINO 9

POK 8

EN 7

EPAD

PMBUS

J21

910

5VSEL

J15

R40

100k

PVIN

J14

PM Bus Components

CMP5V

DNI

SW5V

SALERT

GND

C36

47u

PVIN5V

POK5V

C44

10u

J16

User Guide | Intel® Enpirion® Power Solutions

EM21xx Evaluation Board User Guide

6. Bill of Materials

Table 2: Bill of Materials

Type

Description

Qty.

BOM Ref Des

Mfr. Name

Capacitor CAP CER 100UF 6.3V X5R

1206

4 C1,C5,C9,C10 Kemet

Capacitor CAP ALUM POLY 470UF 20%

2.5V

2 C2,C6 Panasonic

Capacitor CAP CER 47UF 6.3V X5R 1206 4 C12,C13,C14,C20 Murata

Capacitor CAP CER 2.2UF 16V 10% X6S

0402

1 C21 TDK

Capacitor CAP - POSCAP, 100UF, 20V,

ESR=55 mΩ

4 C22,C23,C24,C40 Panasonic

Capacitor CAP CER 22UF 25V 10% X5R

1206

5 C26,C27,C28,C46,C47 Murata

Capacitor CAP CER 10UF 25V 10% X5R

0805

3 C29,C41,C44 Murata

Capacitor CAP CER 100PF 50V 5% NP0

0402

1 C33 Taiyo Yuden

Capacitor CAP CER 0.1UF X7R 0402 10V

10%

1 C34 Murata

Capacitor CAP CER 47UF 6.3V X5R 0805 3 C35,C36,C37 Taiyo Yuden

Capacitor CAP CER 4.7NF X7R 0402 25V

10%

1 C38 Murata

Capacitor CAP CER 470PF 25V X7R 10%

0402

1 C39 Vishay

Capacitor CAP CER 1UF 25V 20% X5R

0402

1 C42 Taiyo Yuden

Capacitor CAP CER 0.47UF 25V 20% X7R

0612

7 CHF1,CHF2,CHF4,CHF5,

CHF6,CHF7,CHF8

Murata

Capacitor 22UF 6.3V 0805 FEED-

THROUGH (3 TERMINALS)

1 CHF3 TDK

LED LED GREEN CLEAR 0603 1 D1 LITE-ON INC

Inductor FERRITE BEAD 220 OHM 0402 1 FB1 Wurth

Electronik

Inductor INDUCTOR, 22UH, 1.3A, 1 L1 Taiyo Yuden

User Guide | Intel® Enpirion® Power Solutions

EM21xx Evaluation Board User Guide

Type

Description

Qty.

BOM Ref Des

Mfr. Name

Ferrite

Bead

Ferrite Bead, 115 ohm, 3318

[8545 Metric], 10 A, 1000

µohm

2 L7,L8 LAIRD

TECHNOLOGIES

Connector INTEL 25A SLAM LOAD

CONNECTOR

1 LD1 Samtec

MOSFET MOSFET N-CH 60V 300MA

SOT23

1 Q1 Fairchild

Resistor 1K 1% 0805 CHIP RESISTOR

1/8W

2 R1,R9 Panasonic

Resistor RES 1K OHM 1% 1/10W 0402 1 R3 Panasonic

Resistor RES 10K OHM 1/10W 1%

0402

4 R5,R21,R37,R41 Panasonic

Resistor RESISTOR ZERO OHM 1/10W

5% 0402

2 R11,R44 Panasonic

Resistor RES ZERO OHM 1/10W 5%

0603

2 R12,R19 Panasonic

Resistor RES 11K OHM 1/16W 0.1%

0402

1 R13 Susumu

Resistor RES 1K OHM 1/16W 0.1%

0402

2 R15,R16 Susumu

Resistor RES 2K OHM 1/16W 0.1%

0402

3 R17,R18,R24 Susumu

Resistor RES 390 OHM 1/16W 0.1%

0603

1 R20 Panasonic

Resistor RES 3.3K OHM 1/16W 1%

0402

1 R22 Panasonic

Resistor RES 23.2K OHM 1/10W 1%

0603

1 R28 Vishay Dale

Resistor RES - 15.8K,0603,1%, 1 R29 KOA Speer

Resistor RES 13K OHM 1/16W 1%

0603

1 R30 Yageo

Resistor RES - 10.5K OHM, 1%,1/10W,

0603

1 R31 Panasonic

Resistor RES 8.66K OHM 1/10W 1%

0603

1 R32 Panasonic

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