BA6908F
Motor driver ICs
1/7
Single-phase full-wave motor driver for
fan motor
BA6908F


BA6908F is a single phase full-wave motor driver for fan motor corresponding to 5V and 12V. Switching noise is reduced
by soft switching drive. This IC has lock detection and automatic restart functions as motor protection function.


zApplications
Motor drivers for fan motors


zFeatures
1) Single-phase full-wave drive system.
2) Built-in power transistor.
3) Soft switching drive.
4) Lock detection and automatic restart circuit.
5) Thermal shut-down circuit.
6) Hall signal output.


zAbsolute maximum ratings (Ta=25°C)
Parameter Symbol Limits Unit
Supply voltage VCC
IOUT
IHO
VOUT
VHO
Tjmax
15
15
15
15
150
∗1
∗2
0.7
V
V
V
A
mA
Power dissipation Pd 687 mW
Storage temperature
Topr °C
°C
°C
Output current
Hall signal output current
Output voltage
Junction temperature
Hall signal output voltage
Operating temperature
Tstg
∗1 To use at temperature above Ta=25°C reduce 5.5mW/°C.
(On 70.0mm×70.0mm×1.6mm glass epoxy board)
∗2 This value is not to be over Pd and ASO.
−40 to +85
−55 to +150



zRecommended operating conditions (Ta=25°C)
Parameter Symbol Min. Typ. Max. Unit
Supply voltage VCC 3 − 14 V