Panasonic AN8267S Datasheet
■ Overview
The AN8267S is an IC to drive the brushless DC fan motors
for internally cooling or blowing the air to the office automation equipments and measuring equipmennts.
■ Features
•
Operating supply voltage range ; VCC=9.6 to 27.6V
(Operable at VCC=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
■ Application
For drive of brush-less DC fan motor
AN8267S
Fan Motor Driver
0.1±0.1
(0.4)
0.9±0.25
2.05±0.2
0.9±0.25
0.2
+ 0.1
– 0.05
(0.4)0.4±0.251.27
2
3
4
5
6
7
8
1
16
15
14
13
12
11
10
9
Unit : mm
7.6±0.3
5.5±0.3
1.16-pin PANAFLAT Plastic Package (SOP016-P-0300)
10.09±0.3
■ Block Diagram
V
C
CC
14
V
S
1
IN (–)
16
IN (+)
TSD
5
Hall Bias
–
Hall
Amp.
+
TSD
13 2 3 7 9
GND
Lock Protect
Automatic Reset
CTRL
Revolution
Display
RD
1
RD
2
OUT
B
1
OUT
1
2
106412
11
VM
8
PGND
B
2
V
CC
I
CC
I
O (peak)
I2, I
3
V2, V3, V6, V
10
P
D
T
opr
T
stg
Supply voltage
Supply current
Output current (t=0.1s )
Circuit current (Inflow current)
Circuit voltage (Applied voltage)
Power dissipation
Operating ambient temperature
Storage temperature
V
mA
A
mA
V
mW
˚C
˚C
Parameter Symbol Rating Unit
■ Absolute Maximum Ratings (Ta=25˚C)
28.8
18
1.5
10
55
735
Note 1)
–30 to + 80
–55 to + 150
Note 1) When mounted to the glass epoxy PCB 50 × 50 × 0.8mm
Parameter Symbol Range
■ Recommended Operating Range (Ta=25˚C)
Operating supply voltage range
V
CC
9.6V to 27.6V
Parameter Symbol Condition min typ max Unit
■ Electrical Characteristics (Ta=25˚C)
Supply current
I
CC
17 mA
V
CC
=12V, RL=OPEN
Hall amp./Common mode input voltage
2V
HI
V
CC
–2 V
Input current
I
IH
50 µA
V
CC
=12V, VHI=2V
Hall bias voltage
4V
HB
6 V
V
CC
=12V, IHB=–5mA
V
CC
=12V, IO=0.5A
VCC=12V, VO=55V
VCC=12V, V4=0V
Output saturation voltage
V
Osat
1.4 V0.9
Leak current
I
Oleak
100 µA
Bound protection Ct/Charging current
–12Itc –7 µA–9.5
5
Bound protection Ct/Charging current
0.95Itd µA1.3
VCC=12V, V4=4.3V
Threshold value voltage (1)
3.8Vt
H
4.4 V4.1
V
CC
=12V, Shut off
1.65
Threshold value voltage (2)
0.6Vt
L
1.3 V0.95
V
CC
=12V, Recovered
Rotation display/Output leak current
I
OL3
10 µA
V
CC
=12V, VOL=55V
Output voltage
V
OL3
0.4 V
V
CC
=12V, IOL=5mA
Rotation display/Output leak current
I
OL2
10 µA
V
CC
=12V, VOL=55V
Output voltage
V
OL2
0.4 V
V
CC
=12V, IOL=5mA
13 2 3 7 9
8
11
106412
14
1
16
5
TSD
CTRL
+
PGND
VM
C
GND
RD
1
RD
2
B
1
B
2
OUT
2
OUT
1
TSD
V
S
V
CC
V
CC
Hall Bias
Revolution
Display
Lock Protect
Automatic Reset
+
–
IN (+)
IN (–)
Hall
Amp.
■ Application Circuit
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