AH285 ANACHIP [Anachip Corp], AH285 Datasheet - Page 2
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AH285
Manufacturer Part Number
AH285
Description
Hall-Effect Smart Fan Motor Controller
Manufacturer
ANACHIP [Anachip Corp]
Datasheet
1.AH285.pdf
(9 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Anachip Corp.
www.anachip.com.tw
Hall-Effect Smart Fan Motor Controller
Typical Application Circuit (SIP5)
Block Diagram (SIP5)
Regulator
Notes: R1, R2: typical
The R, C value need to be fine tuned
base on coils design.
Vdd
2
(12V)
FG
Vdd
C1, C2, C3: typical 2.2 F
Plate
Hall
12V DC Brush-less Fan with FG output function
Amp.
56
D1
C3
Ω
R
pu
µ
GND
5
Automatic recovery
Lock shutdown
1
Control Logic
D2
2/9
and
2
285
3
4
FG
5
1
GND
Coil2
R1
C1
3
4
Coil1
R2
C2
DOB
DO
Rev 1.0 Sep 29, 2005
AH285