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VNH2SP30-E Datasheet(PDF) 23 Page - STMicroelectronics

Part # VNH2SP30-E
Description  Automotive fully integrated H-bridge motor driver
PDF  35 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

VNH2SP30-E Datasheet(HTML) 23 Page - STMicroelectronics

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VNH2SP30-E
Application information
34
The device sustains no more than -30 A in reverse battery conditions because of the two
body diodes of the power MOSFETs. Additionally, in reverse battery condition the I/Os of the
VNH2SP30-E are pulled down to the VCC line (approximately -1.5 V). A series resistor must
be inserted to limit the current sunk from the microcontroller I/Os. If IRmax is the maximum
target reverse current through µC I/Os, the series resistor is:
Figure 34. Half-bridge configuration
Note:
The VNH2SP30-E can be used as a high power half-bridge driver achieving an On
resistance per leg of 9.5 mΩ.
Figure 35. Multi-motor configuration
Note:
The VNH2SP30-E can easily be designed in multi-motor driving applications such as seat
positioning systems where only one motor must be driven at a time. The DIAGX/ENX pins
allow the unused half-bridges to be put into high impedance.
M
OUTA
OUTA
OUTB
OUTB
VCC
PWM
DIAGA/ENA
INA
DIAGB/ENB
INB
GNDB
GNDA
GNDB
GNDA
PWM
DIAGA/ENA
INA
DIAGB/ENB
INB
M2
OUTA
OUTA
OUTB
OUTB
VCC
PWM
DIAGA/ENA
INA
DIAGB/ENB
INB
GNDB
GNDA
GNDB
GNDA
PWM
DIAGA/ENA
INA
DIAGB/ENB
INB
M1
M3



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