Intel EM2260 User manual

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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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information and before placing orders for products or services.

User Guide

Intel® Enpirion® Power Solutions

EM22xx Evaluation Board User Guide

User Guide | Intel® Enpirion® Power Solutions

EM22xx 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 ............................................................................................................................................................ 11

List of Figures

Figure 1: EM22xx Evaluation Board Overview (View From Top - EM2260 shown as an example) ..... 4

Figure 2: Jumper Table, Marked On The EM22xx 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

EM22xx Evaluation Board User Guide

1. Description

The EM22xx family are PowerSoC synchronous Dual Phase buck converters from the Intel®

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

drivers, synchronous MOSFET switches, and high performance inductors. Only input and

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

solution.

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 Loads Fits the on-board LD1, LD2 & LD3 socket

5 DMM 6 ½ digit

6 Oscilloscope 4 channels, 0.5 GHz BW

7 Cables >60A capability, eyelet terminal, 4 mm

diameter hole, 10 mm outer diameter

User Guide | Intel® Enpirion® Power Solutions

EM22xx Evaluation Board User Guide

Evaluation Board Overview

Figure 1: EM22xx Evaluation Board Overview (View From Top - EM2260 shown as an example)

EM2260

ENABLE

ON/OFF

INPUT

VOLTAGE

OUTPUT

VOLTAGE

SELECTOR

OUTPUT

GROUND

OUTPUT

DECOUPLING

OUTPUT

MONITOR

Ferrite Beads

OUTPUT

VOLTAGE

INPUT

GROUND

PMBus

Communication

Interface Dongle

Connector

User Guide | Intel® Enpirion® Power Solutions

EM22xx 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 6 inches (15 cm). Using longer wires is possible,

provided that additional bulk is added to the board and the input voltage is

monitored at the board level. For lower Input voltages e.g. 5V further bulk

capacitance maybe required depending on the Power Supply being used. 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 6 inches (15 cm).

 Please observe the correct polarity.

3) Check jumper settings

 The board will arrive with one jumper on the J6 (enabling the Output through pulling

the CTRL pin high), one jumper on J14 (INT – this connects the on-board 5VCC supply)

and one jumper on J15 (PVIN_5V – 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. If operating

PVIN at 6V or lower an external 5V supply is required to ensure correct operation.

(For PVIN values below 6V the on-board switcher cannot guarantee a 5Vout output)

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

EM22xx 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; 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.

 The voltage range is marked on the board, as shown in Figure 2:

Vout Settings

0V50 V1

0V70 V2

0V85 V3

0V90 V4

0V95 V5

1V00 V6

1V15 V7

1V20 V8

Figure 2: Jumper Table, Marked On The EM22xx Evaluation Board Silk Screen

 For instruction on how to use the EM22xx GUI, please read “GUI User Guide.”

NOTE: To measure the Bode Plot of the DC-DC converter, J12 must be populated which is then used to connect the

probes of the phase analyzer.

User Guide | Intel® Enpirion® Power Solutions

EM22xx Evaluation Board User Guide

5. Evaluation Board Schematic

Figure 3: Evaluation Board Schematic – Power

SYNC

C45

100u

TP9

C43

DNI

RTUNE

TP24

Control Loop Injection

C65

470u

10K0

C76

C61

100nF(COG)

C18

470u

DNI

C88

DN I

SALERT

CHF9

28F0181-1SR-10

FB1

742792780

C79

C14

DNI

PGND

C15

100u

VDD3V3

C20

100u

C50

DNI

C54

680u

TP5

PGOOD

C22

100u

PVIN

C25

DNI

C84

DNI

470u

1K00

470u

C52

DNI

CH F10

47 0 n F/2 5V L ICC

CON TROL

C12

DNI

EM22xxQI

VOUT_1

VOUT_2

VOUT_3

VOUT_4

CTRL

SALRT

VDD33

5VCC

SDA

SCL

DISABLE0

NC14

PWM0

NC16

NC17

NC18

PVIN_19

PVIN_20

PVIN_21

PVIN_22

PVIN_23

PVIN_24

NC25

PGND_26

PGND-27

PGND_28

PGND_29

PGND_30

PGND_31

PGND_32

PGND_34

PGND_35

PGND_36

PGND_37

PGND_38

PGND_39

PGND_40

PGND_41

PGND_42

PGND_43

PGND_44

PGND_45

PGND_46

PGND_47

PGND_48

PGND_49

PGND_50

PGND_51

PGND_52

PGND_53

PHASE0

NC55

PHASE1

PGND_57

PGND_58

PGND_59

PGND_60

PGND_61

PGND_62

PGND_63

PGND_64

PGND_65

PGND_66

PGND_67

PGND_68

PGND_69

PGND_70

PGND_71

PGND_72

PGND_73

PGND_74

PGND_75

PGND_76

PGND_77 77

PGND_78 78

PGND_79 79

PGND_80 80

PGND_81 81

PGND_82 82

PGND_83 83

NC85 85

PVIN_86 86

PVIN_87 87

PVIN_88 88

PVIN_89 89

PVIN_90 90

PVIN_91 91

NC92 92

NC93 93

PWM1 94

NC95 95

DISABLE1 96

SENP 97

SENN 98

TRACK 99

ADDR 0 100

ADDR 1 101

RSET 102

RTUNE 103

SY NC 104

VOUT_105 105

VOUT_106 106

VOUT_107 107

VOUT_108 108

VOUT_110 110

VOUT_111 111

VOUT_112 112

VOUT_113 113

VOUT_114 114

VOUT_115 115

VOUT_116 116

VOUT_117 117

VOUT_118 118

VOUT_119 119

VOUT_120 120

VOUT_121 121

VOUT_122 122

VOUT_123 123

VOUT_124 124

VOUT_125 125

VOUT_126 126

VOUT_127 127

VOUT_128 128

VOUT_129 129

VOUT_130 130

VOUT_131 131

VOUT_132 132

VOUT_133 133

VOUT_134 134

VOUT_135 135

VOUT_136 136

VOUT_137 137

VOUT_138 138

VOUT_139 139

VOUT_140 140

VOUT_141 141

VOUT_142 142

VOUT_143 143

VOUT_144 144

VOUT_145 145

VOUT_146 146

VOUT_147 147

VOUT_148 148

VOUT_149 149

VOUT_150 150

VOUT_151 151

VOUT_152 152

PGND_33

VOUT_5

VOUT_109 109

PGND_84 84

1.2V

R29

14k3

1K00

R31

5k36

R33

3k24

PVIN

28F0181-1SR-10

C68

CHF13

C64

1.0V

2N7002K

VIN

SCL

C82

TP3

0.5V

CTRL

ADDR0

SYN C

SDA

C71

CHF4

4 7 0 n F/2 5V LICC

C49

DNI

V_OUT

CHF2

L10

28F0181-1SR-10

R62

10K0

C92

DNI

MTHn_320m334

C56

DNI

C63

VDD3V3

R35

TP10

C29

22u

C77

RVSET

C46

DNI

TP23

C89

DNI

SYN C

C80

ADDR1

C55

680u

100u

28F0181-1SR-10

R12

100R

ADDR1

C23

100u

C85

DNI

C51

DNI

0.9V

DN I

R11

0R0

ADDR0

SMA1

TP32

C13

DNI

CHF11

C17

470u

0.7V

CHF5

TP26

C47

DNI

C28

22u

C24

DNI

TP25

CHF7

C75

R24 1K00/0.1%

ADDR0

C87

DNI

LD3

910

1112

1314

1516

CHF8

4 7 0 nF/25V LIC C

C53

DNI

RTUNE

C11

DNI

TP2

GND

R20

392R

SY NC

R28

23K2

V_OUT

R30

7k68

R32

4k22

J13

100u

C72

C83

DNI

VTRACK

TP4

VSENN

C19

470u

V_OUT

TRACK

TP11

470uF/2.5V/3mOhm

L11

28F0181-1SR-10

TP14

C27

22u

LD1

910

1112

1314

1516

RTUNE

LD2

910

1112

1314

1516

125mm*125mm, 8Layers, 2oz Copper for all Layers

C40

100u

GND

C93

DNI

VTRACK

RVSET

C60

DNI

TP13

C67

CHF12

47 0 n F/2 5 V L ICC

C78

1.15V

VTRACK1

C90

DNI

R23

DNI

PVIN

TP15

RVSET

C81

100u

R64

DNI

VSENP

0.95V

ADDR1

R34

1k5

C10

100u

C70

L12

28F0181-1SR-10

C86

DN I

470u

CTRL

C16

470u

0.85V

TP22

CHF1

470nF/25V LIC C

C26

22u

C21

2u2/10V

CH F6

47 0 n F/2 5V L ICC

TP27

J22

DNI

C69

100nF(COG)

TP12

C66

VDD3V3

C57

DNI

C62

100u

R63

470R

User Guide | Intel® Enpirion® Power Solutions

EM22xx Evaluation Board User Guide

Figure 4: Evaluation Board Schematic – AUX

PVIN_5V

TP19

L1 22uH

NR6028T220M

C33

100p

R38

90K9

C34 100n

C37

47u

C35

47u

GND

TP6

5V0_AUX

AVINO

R45

12K4

R43

133K

EN5V

Tss =

1.41ms

R42

3K32

5V_EXT

R41 10K0

5V Bias Supply

500mA

Ext_5V

VDD3V3

R37

10K0

BST5V

C41

10u

J17

SS5V

FB5V

TP7

C38

4n7

C39

470p

C42

DNI

FSW 5V

Fsw=700kHz

C91

100nf

ER3105QI

SY NC

BOOT

PVIN

PGND

FSW 12

COMP 11

FB 10

AVINO 9

POK 8

EN 7

EPAD

J21

910 10

5VSEL

R61

DNI

J15

R40

100K

PVIN

J14

PM Bus Components

CMP5V

DNI

SW5V

GND

C36

47u

PVIN5V

POK5V

C44

10u

J16

PGOOD

User Guide | Intel® Enpirion® Power Solutions

EM22xx Evaluation Board User Guide

6. Bill of Materials

Table 2: Bill of Materials

Type Description Qty. BOM Ref Des Mfr. Name

Capacitor 100µF 6V3 10% X5R

1206

8 C1,C3,C4,C5,C9,C10,C15,C20 Kemet

Capacitor 470µF 2.5V 3 mΩ 8 C2,C6,C7,C8,C16,C17,C18,C19 Panasonic

Capacitor 2.2µF 16V 10% X6S

0402

1 C21 TDK

Capacitor 100µF, 20V, ESR=55

mΩ

4 C22 C23 C40 C45 Panasonic

Capacitor 22µF 25V 10% X5R

1206

4 C26,C27,C28,C29 Murata

Capacitor 100pF 50V 5% NP0

0402

1 C33 Taiyo

Yuden

Capacitor 100nF X7R 0402 10V

10%

1 C34 Murata

Capacitor 47µF 6.3V X5R 0805 3 C35,C36,C37 Taiyo

Yuden

Capacitor 4.7nF X7R 0402 25V

10%

1 C38 Murata

Capacitor 470pF 25V X7R 10%

0402

1 C39 Vishay

Capacitor 10µF 25V X5R 0805

10%

2 C41,C44

Capacitor 1µF 25V 20% X5R 0402

1 C42 Taiyo

Yuden

Capacitor 470nF 25V 20% X7R

0612

12 CHF1,CHF2,CHF4,CHF5,

CHF6,CHF7,CHF8,CHF9,

CHF10,CHF11,CHF12,CHF13

Murata

Capacitor 680UF 20% 20V T/H 2 C54,C55 Chemi-com

Capacitor 100nF X7R 0805 25V 20 C61,C62,C63,C64,C65,C66,C67,C68

C69,C70,C71,C72, C75,C76,C77

C78,C79,C80,C81,C82

Murata

Resistor 1k 1% 0805 1 R1 Panasonic

Resistor 1k 1% 0402 1 R3 Panasonic

User Guide | Intel® Enpirion® Power Solutions

EM22xx Evaluation Board User Guide

Type Description Qty. BOM Ref Des Mfr. Name

Resistor RES 10k OHM 1% 0402

3 R5,R37,R41 Panasonic

Resistor 0 OHM 5% 0402 1 R11 Panasonic

Resistor 100R OHM 1% 0402 1 R12 Panasonic

Resistor 392 OHM 0.1% 0603 1 R20 Panasonic

Resistor 1K OHM 0.1% 0402 1 R24 Panasonic

Resistor 23.2K OHM 1% 0402 1 R28 Panasonic

Resistor 14.3K 0603 1%, 1 R29 Panasonic

Resistor 7.68K OHM 1% 0603 1 R30 Panasonic

Resistor 5.36K OHM 1% 0603 1 R31 Panasonic

Resistor 4.22K OHM 1% 0603 1 R32 Panasonic

Resistor 3.24K OHM 0603 1% 1 R33 Panasonic

Resistor 1K5 OHM 0603 1% 1 R34 Panasonic

Resistor 1K OHM 1% 0603 1 R35 Panasonic

Resistor 90.9K OHM 1% 0402 1 R38 Yageo

Resistor 100K OHM 1% 0402 1 R40 Panasonic

Resistor 3.32K OHM 1% 0402 1 R42 Panasonic

Resistor 133K OHM 1% 0402 1 R43 Panasonic

Resistor 12.4K OHM 1% 0402 1 R45 Panasonic

Resistor 10K OHM 1% 0805 1 R62 Panasonic

Resistor 470R OHM 5% 0603 1 R63 Panasonic

LED LED GREEN CLEAR

0603

1 D1 LITE-ON

INC

Inductor INDUCTOR, 22UH, 1.3A,

1 L1 Taiyo

Yuden

Inductor Ferrite Bead, 115 ohm,

10 A, 1000 µohm

6 L7,L8,L9,L10,L11,L12 Laird Tech

MOSFET MOSFET N-CH 60V

300MA SOT23

1 Q1 Fairchild

Inductor FERRITE BEAD 220

OHM 0402

1 FB1 Wurth

Connector

INTEL 25A SLAMER

LOAD CONNECTOR

3 LD1, LD2, LD3 Samtec

IC ER3105DI Wide VIN

500mA Synch Buck Reg

1 U2 Intel

Enpirion

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