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STSPIN840 Fiches technique(PDF) 13 Page - STMicroelectronics

No de pièce STSPIN840
Description  Compact dual brushed DC motor driver
PDF  28 Pages
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Fabricant  STMICROELECTRONICS [STMicroelectronics]
Site Internet  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STSPIN840 Fiches technique(HTML) 13 Page - STMicroelectronics

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STSPIN840
Detailed description
28
5.2
Logic inputs
The outputs of each full bridge are controlled by the respective PWMx and PHx inputs. The
status of the power bridge is also determined by the PWM current controller as indicated in
Section 5.3.
Figure 4. Dual brush DC motor driver time diagram
Table 7. Truth table
ENx
PHx
PWMx
OUTx1
OUTx2
Full bridge condition
0X(1)
X(1)
High Z(2)
High Z(2)
Disabled
1
0
0
GND
GND
Both LS on
1
0
1
GND
VS
HS2 and LS1 on (current OUTx1
 OUTx2)
1
1
0
GND
GND
Both LS on
1
1
1
VS
GND
HS1 and LS2 on (current OUTx1
 OUTx2)
1. X: don't care.
2. High Z: high impedance.



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