L9935 Ver la hoja de datos (PDF) - STMicroelectronics

Número de pieza

componentes Descripción

Fabricante

L9935

Two-phase stepper motor driver

STMicroelectronics 

L9935

2

Pin description

Figure 2. Pin connection (top view)

Pin description

'.$



/54!



3#+



3$)



3$/



6##



#3.



%.



/54"



'.$





'.$



32!



/54!



.#



63



/3#



#$26



/54"



32"



'.$

'!0'03

Table 2. Pin function

Pin No

Name

Description

1,10,11,20

2

3

4

5

6

7

8

9

12

13

14

15

16

17

18

19

GND

OUTA1

SCK

SDI

SDO

VCC

CSN

EN

OUTB1

SRB

OUTB2

CDRV

OSC

VS

NC

OUTA2

SRA

Ground. (All ground pins are internally connected to the frame of the

device).

Output1 of full bridge 1

Clock for serial interface (SPI)

Serial data input

Serial data output

5V logic supply voltage

Chip select (Low active)

Enable (Low active)

Output1of full bridge 2

Current sense resistor of the chopper regulator for OUTB

Output 2 of full bridge 2

Charge pump buffer capacitor

Oscillator capacitor or external clock

Supply voltage

Not connected

Output of full bridge 1

Current sense resistor of the chopper regulator for OUTA

Doc ID 5198 Rev 10

7/29

Share Link: