BA6402F ROHM Electronics, BA6402F Datasheet - Page 3

• Manufacturer Part Number: BA6402F
• Description: 2-phase Half-wave Motor Predriver
• Manufacturer: ROHM Electronics

(3)
The power consumed in the IC can be calculated from
the following equation :
(1) P
(2) P
where V
the V
consumption.
FElectrical characteristic curve
FExternal dimensions (Units: mm)
Motor driver ICs
Power dissipation
C1
C2
CC
is power consumed by the circuit current.
is power consumed by the Hall current (pin 3).
pin and pin 3 effectively reduces the IC current
P
P
3
=pin 3 voltage. Connecting a resistor between
C1
C2
P
=V
=I
C
= P
3
n=1
CC
3
V
Cn
3
I
CC
(3) P
V
sumption can be reduced by raising the h
external output transistor and thereby reducing the I
ue. Make sure that your application does not exceed the
allowable power dissipation of the IC.
(4) Restarting when motor is locked
The outputs are turned OFF if the motor is stopped for
some reason. To restart the motor from this situation, turn
off the power first, fully discharge the pin 6 capacitor next,
and then turn on the power again.
OH
is the HIGH level voltage of pins 7 and 8. Power con-
C3
is power consumed by the output current.
P
C3
=(V
CC
*V
OH
) I
O
BA6402F
FE
-rank of the
O
691
val-