Hall-Effect Smart Fan Motor Controller
Block Diagram (SIP5)
VCC
2
Regulator
Lock shutdown
and
Automatic recovery
Hall
Plate
Amp.
Control Logic
AH283
3 DO
4 DOB
5
1
GND
RD
Typical Application Circuit
Vcc
(12V)
R pu
RD
(alarm)
D1
283
Coil2
1 2345
GND
12V DC Brush-less Fan with RD output function
+
C1
10uF
Coil1
Anachip Corp.
www.anachip.com.tw
Rev 0.7 Apr 16, 2004
2/7