AMIS-30542 datasheet(2/29 Pages) ONSEMI

Nome de Peças	AMIS-30542

Descrição Electrónicos	AMIS-30542 Micro-Stepping Motor Driver

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AMIS−30542

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2

BLOCK DIAGRAM

Temp

.

Sense

SPI

OTP

Timebase

POR

DI

DO

CS

CLK

NXT

SLA

DIR

ERR

Band−

gap

Load

Angle

AMIS−30542

Logic &

Registers

Chargepump

T

R

A

N

S

L

A

T

O

R

Vreg

CLR

VBB

P

W

M

I−sense

EMC

P

W

M

I−sense

EMC

VDD

GND

MOTXP

MOTXN

MOTYP

MOTYN

CPN CPP VCP

POR/WD

TST0

Figure 1. Block Diagram AMIS−30542

Table 1. PIN LIST AND DESCRIPTION

Name

Description

Type

Equivalent

Schematic

GND

1

Ground

Supply

DI

2

SPI Data In

Digital Input

Type 2

CLK

3

SPI Clock Input

Digital Input

Type 2

NXT

4

Next micro−step input

Digital Input

Type 2

DIR

5

Direction input

Digital Input

Type 2

ERR

6

Error output (open drain)

Digital Output

Type 4

SLA

7

Speed load angle output

Analog Output

Type 5

/

8

No function (to be left open in normal operation)

CPN

9

Negative connection of charge pump capacitor

High Voltage

CPP

10

Positive connection of charge pump capacitor

High Voltage

VCP

11

Charge pump filter−capacitor

High Voltage

CLR

12

“Clear” = chip reset input

Digital Input

Type 1

CS

13

SPI chip select input

Digital Input

Type 2

VBB

14

High voltage supply Input

Supply

Type 3

MOTYP

15, 16

Negative end of phase Y coil output

Driver Output

GND

17, 18

Ground, heat sink

Supply

MOTYN

19, 20

Positive end of phase Y coil output

Driver Output

MOTXN

21, 22

Positive end of phase X coil output

Driver Output

GND

23, 24

Ground, heat sink

Supply

MOTXP

25, 26

Negative end of phase X coil output

Driver Output

VBB

27

High voltage supply input

Supply

Type 3

/

30

No function (to be left open in normal operation)

POR/WD

28

Power−on−reset and watchdog reset output (open drain)

Digital Output

Type 2

TST0

29

Test pin input (to be tied to ground in normal operation)

Digital Input

DO

31

SPI data output (open drain)

Digital Output

Type 4

VDD

32

Logic supply output (needs external decoupling capacitor)

Supply

Type 6

Nº de peça semelhante - AMIS-30542

Fabricante Electrônico	Nome de Peças	Folha de dados	Descrição Electrónicos
ON Semiconductor	AMIS-30543	489Kb / 38P	Micro-Stepping Motor Driver March, 2014 ??Rev. 2

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