NCV70514MW007R2G datasheet(4/31 Pages) ONSEMI

Part #	NCV70514MW007R2G

Description	Micro-stepping Motor Driver

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NCV70514

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PACKAGE AND PIN DESCRIPTION

MOTXP

VBB

STEP0

STEP1

CSB

NC

2

3

4

1

6

7

8

5

29

30

31

32

25

26

27

28

NC

DIR

RHB

NXT

21

22

23

24

19

20

17

18

10

11

12

9

14

15

16

13

QFN32 5x5

MOTXP

VBB

MOTYP

VBB

Figure 3. Pin Connections – QFN32 5x5

Table 2. PIN DESCRIPTION

Pin No.

QFN32 5x5

Pin Name

Description

I/O Type

1, 2

MOTXP

Positive end of phase X coil

Driver output

3, 4, 21, 22

VBB

Battery voltage supply

Supply

5, 20

NC

Not Connected

6

STEP0

Step mode selection input 0

Digital Input

7

STEP1

Step mode selection input 1

Digital Input

8

CSB

SPI chip select input

Digital Input

9

DI

SPI data input

Digital Input

10

DO

SPI data output (Open Drain)

Digital Output

11

ERRB

Error Output (Open Drain)

Digital Output

12

VDD

Internal supply (needs external decoupling capacitor)

Supply

13

GND

Ground

Supply

14

TST1

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

Digital Input

15

TST2

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

Digital Input

16

CLK

SPI clock input

Digital Input

17

NXT

Next micro−step input

Digital Input

18

RHB

Run/Hold Current selection input

Digital Input

19

DIR

Direction input

Digital Input

23, 24

MOTYP

Positive end of phase Y coil

Driver output

25, 26, 31, 32

GNDP

Ground

Supply

27, 28

MOTYN

Negative end of phase Y coil

Driver output

29, 30

MOTXN

Negative end of phase X coil

Driver output

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NCV70514MW007R2G Datasheet(PDF) 4 Page - ON Semiconductor

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