Low Voltage Hall-Effect Smart Fan Motor Controller
Block Diagram (SIP5)
VCC
2
Regulator
Lock shutdown
and
Automatic recovery
Hall
Plate
Amp.
Control Logic
AH292
3 DO
4 DOB
5
1
GND
FG
Typical Application Circuit
Vcc
(1.8V/5.75V)
FG
D2
R pu
D1
292
Coil2
1 2345
GND
Coil1
C3
R1
R2
Notes: R1, R2: typical 56 Ω
C1, C2, C3: typical 2.2μF
The R, C value need to be fine tuned
C1
C2
base on coils design.
1.8V/5.75V DC Brush-less Fan with FG output function
Anachip Corp.
www.anachip.com.tw
Rev 0.6 Jan 27, 2005
2/9