Allegro MicroSystems A4910 Quick start guide

Demo Board Schematic/Layout

A4910

A4910-DB

SCHEMATIC

D D

C C

B B

A A

X1:3

X1:1

X1:2

PGND

VBAT

X2:1

X2:2

PGND

0R010

R27

0R010

R30

0R010

R31

0R010

R34

0R010

R35

0R010

R38

TP46

TP41

TP36

TP12

TP11

TP18

TP19

TP20

TP21

TP22

TP23

LM2936DT-5.0

GND

OUT

PGND

VDD

X3:1

X3:2

PGND

10u

+C1

PGND PGND

DIAG

STRn

SCK

SDI

SDO

AHI

ALO

BHI

BLO

CHI

CLO

RESETn

OPAP

OPAM

OPAO

VDD 10

CP1 5

CP2 4

AGND

PGND

VBB7

VREG 3

VBRG 8

CA 2

GHA 48

SA 1

CB 45

GHB 43

SB 44

GLA47

LSSA 46

GLB42

LSSB 41

CC 40

GHC 38

GLC37

SC 39

LSSC 36

CSAP

CSAM

CSAO

CSBP

CSBM

CSBO

CSCP

CSCM

CSCO

COASTn

A4910 Skt

IC1

10u

PGND

1000u

+C6

1000u

+C7

PGND PGND

PGND

VDD

87654321

TP26

TP29 TP32 TP35

PGND

VDD

X5:6

X5:5

X5:4

X5:3

X5:2

X5:1

PGND

100n

C10

LSSA LSSB LSSC

SDO

SDI

SCK

STRn

SDO

SDI

STRn

SCK

DIAG

RESETn

COASTn

3k9

R39

3k9

R42

C14

10K

R43

10K

R44

75k

R40

PGND

82k

R41

3k9

R45

3k9

R48

C15

10K

R49

10K

R50

75k

R46

PGND

82k

R47

3k9

R51

3k9

R54

C16

10K

R55

10K

R56

75k

R52

PGND

82k

R53

CSAO

CSBO

CSCO

G1 G2

PGND

CSBP

CSAP

C17

6k8

R37

75k

R36

75k

R32

PGND

3K9

R29

3K9

R33

TP3

TP4

100n

C19

PGND

100n

C18

PGND

1KR3

R10

R11

R13

R14

R15

R17

R18

R20

100

R12

100

R16

100

R19

100

R21

100

R22

220n

C11

220n

C12

220n

C13

IRFR2405

100nC5

R28

VDD

PGND

100K

R26

VBAT

VSA

VSB

VSC

VSBAT

OPAO

OPAP

OPAM

CSAO

CSBO

CSCO

VSA

VSB

VSC

VSBAT

OPAO

CSCM

CSCP

CSBM

CSAM

LSSA

LSSB

LSSC

X4:1 2

X4:2

X4:3 4

X4:4 5

X4:5 6

X4:6 7

X4:7 8

X4:8 9

X4:9

X4:1011

X4:1112

X4:1213

X4:1314

X4:1415

X4:15

X4:1617

X4:1718

X4:18

X4:1920

X4:2021

X4:2122

X4:2223

X4:2324

X4:2425

X4:2526

X4:26

GHA

GLA

GHB

GLB

GHC

GLC

AHI

ALO

BHI

BLO

CHI

CLO

1000u

+C20

PGND

470nC3

100K

R23

100K

R24

100K

R25

10K

R62

10K

R63

10K

R64

10K

R65

470KR1

470KR8

470K

R57

470K

R58

470K

R59

470K

R60

OPAO

100n

C21

PGND

10u

+C2

Allegro Microsystems Inc

115 Northeast Cutoff

Worcester

MA 01606 USA

A4910 Demonstration Board

Yi Li

17th May 2012

1 of 1

EDC078R0

TITLE:

REV:

AUTHOR:

DATE: PCB:

SHEET:

SIZE:

Demo Board Schematic/Layout

A4910

Allegro MicroSystems, LLC

115 Northeast Cutoff

Worcester, Massachusetts 01615-0036 U.S.A.

1.508.853.5000; www.allegromicro.com

LAYOUT

Demo Board Schematic/Layout

A4910

Allegro MicroSystems, LLC

115 Northeast Cutoff

Worcester, Massachusetts 01615-0036 U.S.A.

1.508.853.5000; www.allegromicro.com

Demo Board Schematic/Layout

A4910

Allegro MicroSystems, LLC

115 Northeast Cutoff

Worcester, Massachusetts 01615-0036 U.S.A.

1.508.853.5000; www.allegromicro.com

Demo Board Schematic/Layout

A4910

Allegro MicroSystems, LLC

115 Northeast Cutoff

Worcester, Massachusetts 01615-0036 U.S.A.

1.508.853.5000; www.allegromicro.com

Demo Board Schematic/Layout

A4910

Allegro MicroSystems, LLC

115 Northeast Cutoff

Worcester, Massachusetts 01615-0036 U.S.A.

1.508.853.5000; www.allegromicro.com

Demo Board Schematic/Layout

A4910

Allegro MicroSystems, LLC

115 Northeast Cutoff

Worcester, Massachusetts 01615-0036 U.S.A.

1.508.853.5000; www.allegromicro.com

Demo Board Schematic/Layout

A4910

Allegro MicroSystems, LLC

115 Northeast Cutoff

Worcester, Massachusetts 01615-0036 U.S.A.

1.508.853.5000; www.allegromicro.com

Demo Board Schematic/Layout

A4910

Allegro MicroSystems, LLC

115 Northeast Cutoff

Worcester, Massachusetts 01615-0036 U.S.A.

1.508.853.5000; www.allegromicro.com

Demo Board Schematic/Layout

A4910

Allegro MicroSystems, LLC

115 Northeast Cutoff

Worcester, Massachusetts 01615-0036 U.S.A.

1.508.853.5000; www.allegromicro.com

BILL OF MATERIALS

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