2005 Fairchild Semiconductor Corporation
1
www.fairchildsemi.com
March 2005
FAN8463 Rev.
1
.
0
.0
F
A
N8463 BTL Single Phase Ful
l W
ave BLDC Motor Driver
FAN8463
BTL Single Phase Full Wave BLDC Motor Driver
Features
A low voltage operation : 2.3V to 5.5V
Locked rotor protection and auto retry.
Open collector FG output
Open collector 1/2 FG output.
Hall bias voltage output.
TSD protection.
Typical Applications
Instrumentation Fans
Note PC Fans
Description
The FAN8463MP/MTC is a BTL single phase BLDC motor
driver and it's typical application is note PC cooling fans with low
voltage operation(3.3/5V).
Ordering Information
Note
X : Tape & Reel
Device
Package
Operating Temp.
FAN8463MTC
14-TSSOP
-
30
C ~ 90
C
FAN8463MTCX
14-TSSOP
-
30
C ~ 90
C
FAN8463MPX
10-MLP
-
30
C ~ 90
C
14-TSSOP
10-MLP
2
www.fairchildsemi.com
FAN8463 Rev.
1.0.0
F
A
N8463 BTL Single Phase Ful
l W
ave BLDC Motor Driver
Block Diagrams(10MLP)
Pin Definitions
Pin Number
Pin Name
I/O
Pin Function Description
Remark
14TSSOP
10MLP
1
1
IN1
A
Hall amplifier input 1
2
2
HB
O
Reference voltage output for hall bias
-
3
3
IN2
A
Hall amplifier input 2
-
4
-
NC
-
-
-
5
4
LD
A
Sawtooth wave generator for lock detector and
automatic restart
6
-
NC
-
-
-
7
5
OUT1
A
Motor output 1
-
8
6
GND
P
Ground
-
9
-
NC
-
10
7
OUT2
A
Motor output 2
-
11
-
NC
-
-
12
8
VCC
P
Power supply
-
13
9
FG
O
Speed output for 4 pole motor
Open collector
14
10
1/2FG
O
Speed output for 8 pole motor
Open collector
1
3
VCC
R
360R
R
360R
FG
&
1/2FG
Reference
Out
Lock
detector
&
Auto restart
TSD
8
6
VCC
LD
IN1
IN2
1/2FG
FG
OUT2
OUT1
GND
HB
5
7
9
10
2
4
3
www.fairchildsemi.com
FAN8463 Rev.
1.0.0
F
A
N8463 BTL Single Phase Ful
l W
ave BLDC Motor Driver
Absolute Maximum Ratings (Ta = 25
C)
Note
1. Should not exceed P
D
or SOA value.
2. Refer: EIA/JESD 51-2 & EIA/JESD 51-3 & EIA/JESD 51-5 & EIA/JESD 51-7
3. Case 1: Single layer PCB with 1 signal plane only, PCB size 76mm
114mm
1.6mm.
4. Case 2: Multi layer PCB with 1 signal, 1 power and 1 ground planes, PCB size 76mm
114mm
1.6mm, Cu plane sizes for
power and ground 74mm
74mm
0.035mm, thermal via hole pitch 0.9mm, via hole
size 0.3mm, 6 via hole.
Parameter
Symbol
Value
Unit
Maximum power supply voltage
VCC
MAX
9.0
V
Thermal resistance
Rja
178(14TSSOP case1)
o
C/W
208(10MLP case1)
57(10MLP case2)
Maximum power dissipation
P
DMAX
0.7(14TSSOP case1)
W
0.6( 10MLP case1)
2.2( 10MLP case2)
Maximum output voltage
V
OMAX
10.5
V
Maximum output current
I
OMAX
0.5
note1
A
Maximum FG output current
I
FG1
5
mA
FG output withstanding voltage
V
FG1
9
V
Maximum 1/2FG output current
I
FG2
5
mA
1/2FG output withstanding voltage
V
FG2
9
V
Operating temperature
T
OPR
-
30 ~ 90
C
Storage temperature
T
STG
-
55 ~ 150
C
Case 1
Case 2
Remark
Pd is mea-
sured base on
the JEDEC/
STD(JESD
51-2)
Pd= 0.6/0.7W
Pd= 2.2W
PCB(glass-epoxy)
Power
plane(Cu)
plane(Cu)
GND
Via
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