Datasheet

VNH5180A-E Application information
Doc ID 17074 Rev 6 21/31
Series resistor must be inserted to limit the current sunk from the microcontroller I/Os. If
I
Rmax
is the maximum target reverse current through microcontroller I/Os, series resistor is:
Figure 13. Half-bridge configuration
Note: The VNH5180A-E can be used as a high power half-bridge driver achieving an On
resistance per leg of 90 mΩ.
Figure 14. Multi-motors configuration
Note: The VNH5180A-E can easily be designed in multi-motors driving applications such as seat
positioning systems where only one motor must be driven at a time. DIAG
X
/EN
X
pins allow
to put unused half-bridges in high impedance.
R
V
IOs
V
CC
–
I
Rmax
---------------------------------=
M
OUT
A
OUT
A
OUT
B
OUT
B
V
CC
PWM
DIAG
A
/EN
A
IN
A
DIAG
B
/EN
B
IN
B
GND
GND
PWM
DIAG
A
/EN
A
IN
A
DIAG
B
/EN
B
IN
B
M
2
OUT
A
OUT
A
OUT
B
OUT
B
V
CC
PWM
DIAG
A
/EN
A
IN
A
DIAG
B
/EN
B
IN
B
GND
GND
PWM
DIAG
A
/EN
A
IN
A
DIAG
B
/EN
B
IN
B
M
1
M
3