AH287
High Voltage Hall-Effect Smart Fan Motor Controller
Anachip Corp.
www.anachip.com.tw Rev 0.1 Jan 17, 2005
2/7
Block Diagram (SIP4)
Hall
Plate
Control Logic
Regulator
Lock shutdown
and
Automatic recovery
VCC
DOB
DO
Amp.
1
2
3
4
GND
Typical Application Circuit (SIP4)
VCC
DOB
DO
24V
L2 L1
GND
287
12 34
D2
48V
48V
C1=1uF
D1
24V brush-less DC fan
