2002 Fairchild Semiconductor Corporation
www.fairchildsemi.com
Rev. 1.0.2
Features
3-Phase, Full-Wave, Linear BLDC Motor Driver With 3
Hall Sensors
Built-in TSD (Therml Shutdown) Circuit
Built-in Torque Ripple Control Circuit
Built-in Output Current Limiter
Motor Speed Control
High Output Current
Built-in FG Amplifier With Sinusoidal Waveforms
Built-in Hall Amplifier
Built-in CW and CCW Circuit
Description
The KA3080 , KA3080D, KA3080DM are a monolithic
integrated circuit, and it is suitable for 3-phase capstan motor
driver for VCR system.
32-SDIPH-400
28-SSOPH-375
28-SSOPH-375SG2
Target Application
Video Cassette Recorder (VCR) Capstan Motor
Other 3-Phase BLDC Motor
Ordering Information
Device
Package
Operating Temp.
KA3080C
32-SDIPH-400
-25
C ~ +75
C
KA3080BD
28-SSOPH-375
-25
C ~ +75
C
KA3080BDTF
28-SSOPH-375
-25
C ~ +75
C
KA3080BD3 28-SSOPH-375SG2
-25
C ~ +75
C
KA3080BD3TF 28-SSOPH-375SG2
-25
C ~ +75
C
KA3080/KA3080D/KA3080DM
3-Phase BLDC Motor Driver
KA3080/KA3080D/KA3080DM
2
Pin Assignments (32SDIPH)
Pin Definitions (32SDIPH)
Pine Number
Pin Name
I/O
Pin Function Description
1
U+
I
U+ Hall Signal Input
2
U-
I
U- Hall Signal Input
3
V+
I
V+ Hall Signal Input
4
V-
I
V- Hall Signal Input
5
W+
I
W+ Hall Signal Input
6
W-
I
W- Hall Signal Input
7
GND
-
Ground (Signal)
8
GND
-
Ground (Signal)
9
GND
-
Ground (Signal)
10
GND
-
Ground (Signal)
11
RS
O
Output Current Detection
12
G
OUT
-
Ground (Power)
13
U
OUT
O
U Out
14
V
OUT
O
V Out
15
W
OUT
O
W Out
16
V
CC2
-
Supply Voltage (Power)
17
V
CC1
-
Supply Voltage(Signal)
18
CI
-
Phase Stabilization
19
I
LIM
I
Current Limitation
20
V
CTL
I
Voltage Control
21
V
REF
I
Voltage Control Reference
22
NC
-
No Connection
23
GND
-
Ground (Signal)
24
GND
-
Ground (Signal)
25
GND
-
Ground (Signal)
26
GND
-
Ground (Signal)
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
KA3080
U+
U
-
V+
V
-
W+
W
-
GND
RS
G
OU
T
U
OU
T
V
OU
T
W
OU
T
V
CC2
F/
R
CT
L
TR
CT
L
FG
OU
T
2
FG
OU
T
1
FG
IN2
FG
IN1
GND
V
RE
F
V
CT
L
I
LI
M
CI
V
CC1
NC
KA3080/KA3080D/KA3080DM
3
Pin Definitions (32-SDIPH)
(Continued)
Pin Assignments (28-SSOPH)
Pin Definitions (28-SSOPH)
Pine Number
Pin Name
I/O
Pin Function Description
27
FG
IN1
I
FG Amp. Input1
28
FG
IN2
I
FG Amp. Input2
29
FG
OUT1
O
FG Amp. Output
30
FG
OUT2
O
FG Comp. Output
31
TR
CTL
I
Troque Ripple Control
32
F/R
CTL
I
Forward & Reverse Control
Pine Number
Pin Name
I/O
Pin Function Description
1
V
CC2
-
Supply Voltage (Power)
2
V
CC1
-
Supply Voltage (Signal)
3
CI
-
Phase Stabilization
4
I
LIM
I
Current Limitation
5
V
CTL
I
Voltage Control
6
V
REF
I
Voltage Control Reference
7
NC
-
No Connection
8
GND
-
Ground (Signal)
9
FG
IN1
I
FG Amp. Input 1
10
FG
IN2
I
FG Amp. Input 2
11
FG
OUT1
O
FG Amp. Output
12
FG
OUT2
O
FG Comp. Output
13
TR
CTL
I
Torque Ripple Control
14
FR
CTL
I
Forward & Reverse Control
15
U+
I
U+ Hall Signal Input
KA3080D
V
CC2
V
CC1
CI
I
LI
M
V
CT
L
V
RE
F
NC
GND
FG
IN1
FG
IN2
FG
OU
T
1
FG
OU
T
2
TR
CT
L
FR
CT
L
W
OU
T
V
OU
T
U
OU
T
G
OU
T
NC
NC
RS
GND
W
-
W+
V
-
V+
U
-
U+
FIN
FIN
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
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