参数资料
型号: L9935
厂商: STMICROELECTRONICS
元件分类: 运动控制电子
英文描述: STEPPER MOTOR CONTROLLER, 2.5 A, PDSO20
封装: LEAD FREE, POWER, MO-166, SOP-20
文件页数: 27/29页
文件大小: 275K
代理商: L9935
L9935
Pin description
2
Pin description
Figure 2.
Pin connection (top view)
Table 2.
Pin function
Pin No
Name
Description
1,10,11,20
GND
Ground. (All ground pins are internally connected to the frame of the
device).
2OUTA1
Output1 of full bridge 1
3
SCK
Clock for serial interface (SPI)
4
SDI
Serial data input
5
SDO
Serial data output
6
VCC
5V logic supply voltage
7
CSN
Chip select (Low active)
8EN
Enable (Low active)
9OUTB1
Output1of full bridge 2
12
SRB
Current sense resistor of the chopper regulator for OUTB
13
OUTB2
Output 2 of full bridge 2
14
CDRV
Charge pump buffer capacitor
15
OSC
Oscillator capacitor or external clock
16
VS
Supply voltage
17
NC
Not connected
18
OUTA2
Output of full bridge 1
19
SRA
Current sense resistor of the chopper regulator for OUTA
D99AT416
GND
OUTA1
SCK
SDI
SDO
VCC
CSN
EN
OUTB1
GND
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
GND
SRA
OUTA2
N.C.
VS
OSC
CDRV
OUTB2
SRB
GND
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