AN8267S Datasheet, PDF (1/5 Pages) Panasonic Semiconductor – Fan Motor Driver

AN8267S
Fan Motor Driver
s Overview
The AN8267S is an IC to drive the brushless DC fan motors
for internally cooling or blowing the air to the office automa-
tion equipments and measuring equipmennts.
s Features
• Operating supply voltage range ; V_CC=9.6 to 27.6V
(Operable at V_CC=6V to 9.6V as well)
• 2-phase half-wave drive, built-in power transistor
• Built-in lock protective function and automatic reset function
• Built-in thermal protective circuit (operating temperature:
150˚C typ.)
• Built-in rotation display function
s Application
For drive of brush-less DC fan motor
Unit : mm
1
16
2
15
3
14
4
13
5
12
6
11
7
10
8
9
(0.4)
5.5±0.3
7.6±0.3
1.16-pin PANAFLAT Plastic Package (SOP016-P-0300)
s Block Diagram
VS 14
Hall Bias
IN (–) 1
IN (+) 16
–
Hall
Amp.
+
TSD 5
TSD
13
GND
VCC C
12 4
Lock Protect
Automatic Reset
CTRL
Revolution
Display
2
3
RD1 RD2
OUT1
6
OUT2
10
11 VM
7
9
B1
B2
8 PGND