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STSPIN220 数据表(PDF) 7 Page - STMicroelectronics

部件名 STSPIN220
功能描述  Low voltage stepper motor driver
PDF  27 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

STSPIN220 数据表(HTML) 7 Page - STMicroelectronics

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4
Pin description
Figure 3. Pin connection (top view)
1
2
3
4
DIR\MODE4
STCK\MODE3
OUTA1
SENSEA
12
11
10
9
TOFF
REF
OUTB1
SENSEB
5
6
8
7
OUTA2
VS
OUTB2
GND
16
EPAD
15
13
14
MODE1
MODE2
EN\FAULT
STBY\
RESET
Note: The exposed pad must be connected to ground.
Table 6. Pin description
N.
Name
Type
Function
1
DIR\MODE4
Logic input
Direction input, Step mode selection input 4.
2
STCK\MODE3
Logic input
Step clock input, Step mode selection input 3.
3
OUTA1
Power output
Power bridge output side A1.
4
SENSEA
Power output
Sense output of the bridge A.
5
OUTA2
Power output
Power bridge output side A2.
6
VS
Supply
Device supply voltage.
7, EPAD
GND
Ground
Device ground.
8
OUTB2
Power output
Power bridge output side B2.
9
SENSEB
Power output
Sense output of the bridge B.
10
OUTB1
Power output
Power bridge output side B1.
11
REF
Analog input
Reference voltage for the PWM current control circuitry.
12
TOFF
Analog input
Internal oscillator frequency adjustment.
13
EN\FAULT
Logic input\Open drain
output
This is the power stage enable (when low, the power stage is turned off)
and is forced low through the integrated open-drain MOSFET when a
failure occurs.
14
STBY\RESET
Logic input
When forced low, the device is forced into low consumption mode.
15
MODE2
Logic input
Step mode selection input 2.
16
MODE1
Logic input
Step mode selection input 1.
STSPIN220
Pin description
DS11633 - Rev 4
page 7/27



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