01W148A
3-phase full-wave fan motor driver IC
BA6425FS
Description BA6425FS is a 3-phase full-wave fan motor driver IC...
01W148A
3-phase full-wave fan motor driver IC
BA6425FS
Description BA6425FS is a 3-phase full-wave fan motor driver IC. Noise generated by the motor can be reduced by linear driving system. Forward/reverse rotation can be switched. This IC has current limit circuit and FG output. Dimension (Units : mm)
13.6 ± 0.2
32 17
1.8 ± 0.1 7.8 ± 0.3 5.4 ± 0.2
1
16
0.15 ± 0.1 0.1
Features 1) Linear driving system 2) Forward/reverse select switch 3) Built-in current limiter and thermal shut down 4) FG output
0.11
0.8
0.36 ± 0.1
SSOP-A32
Applications 3-phase full-wave fan motor
Absolute Maximum Ratings (Ta=25˚C)
Parameter Maximum supply
voltage Maximum supply
voltage Power dissipation Operating temperature range Storage temperature range Output current Junction temperature Symbol Vcc VM Pd Topr Tstg Iomax Tjmax –30 –55 Limits 18 18 0.95
∗1
Unit V V W
+150 ∗2 1000 150
~ ~
+75
˚C ˚C
mA
˚C
∗1 Derating : 7.6mW/˚C for operation above Ta=25˚C. ∗2 However, do not exceed Pd, and ASO.
PCB (70mmx70mm, t=1.6mm) glass epoxy mounting.
April, 2002
0.3Min.
Recommended Operating Conditions (Ta=25˚C)
Parameter Operating supply
voltage range Operating supply
voltage range Symbol VCC VM VCH Min. 5 3.5 1.1 Typ. — — — Max. 17 17 ∗3 VCC–1.0 Unit V V V
Hall Amp in-phase
voltage range ∗If VM
voltage is low, this IC may not be able to flow the output current by absolute maximum ratings.
Electrical characteristics (Unless otherwise noted: Ta=25˚C, Vcc=VM=12V)
Parameter VCC circuit current...