Datasheet KA3080C, KA3080BD3 Datasheet (Fairchild Semiconductor)

KA3080/KA3080D/KA3080DM

3-Phase BLDC Motor Driver

www.fairchildsemi.com

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 Contro l

•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

Rev. 1.0.2

KA3080/KA3080D/KA3080DM

Pin Assignments (32SDIPH)

CTL

F/R

32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17

OUT2FGOUT1FGIN2FGIN1

CTL

TR

FG

GND

NC

REFVCTL

V

KA3080

U+

W+

W−

GND

RS

OUTUOUTVOUTWOUT

G

V−

V+

U−

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 13 U 14 V 15 W 16 V 17 V

OUT OUT OUT

OUT CC2 CC1

18 CI - Phase Stabilization 19 I 20 V 21 V

LIM CTL REF

22 NC - No Connection 23 GND - Ground (Signal) 24 GND - Ground (Signal) 25 GND - Ground (Signal) 26 GND - Ground (Signal)

- Ground (Power) OU Out OV Out OW Out

- Supply Voltage (Power)

- Supply Voltage(Signal)

I Current Limitation I Voltage Control I Voltage Control Reference

LIM

I

CC1

V

CI

16151413121110987654321

CC2

V

2

KA3080/KA3080D/KA3080DM

Pin Definitions (32-SDIPH)

(Continued)

Pine Number Pin Name I/O Pin Function Description

27 FG 28 FG 29 F G 30 F G 31 TR 32 F/R

IN1

IN2 OUT1 OUT2

CTL

I FG Amp. Input1

I FG Amp. Input2 O FG Amp. Output O FG Comp. Output

I Troque Ripple Control

I Forward & Reverse Control

Pin Assignments (28-SSOPH)

OUT

W

V

28 27 26 25 24 23 22 21 20 19 18 17 16 15

OUT

G

U

NC

RS

FIN

GND

W+

V−

W−

KA3080D

V+

U−

U+

FIN

CC2VCC1

V

CI

LIM

CTL

I

V

NC

REF

V

GND

IN1FGIN2

FG

OUT1

FG

Pin Definitions (28-SSOPH)

Pine Number Pin Name I/O Pin Function Description

1V 2V

CC2 CC1

3 CI - Phase Stabilization 4I 5V 6V

LIM CTL REF

7 NC - No Connection 8 GND - Ground (Signal)

9FG 10 FG 11 FG 12 FG 13 TR 14 FR

IN1

IN2 OUT1 OUT2

CTL CTL

15 U+ I U+ Hall Signal Input

- Supply Voltage (Power)

- Supply Voltage (Signal)

I Current Limitation I Voltage Control I Voltage Control Reference

I FG Amp. Input 1

I FG Amp. Input 2 O FG Amp. Output O FG Comp. Output

I Torque Ripple Control

I Forward & Reverse Control

OUT2

FG

1413121110987654321

CTLFRCTL

TR

3

KA3080/KA3080D/KA3080DM

Pin Definitions (28-SSOPH)

(Continued)

Pine Number Pin Name I/O Pin Function Description

16 U- I U- Hall Signal Input 17 V+ I V+ Hall Signal Input 18 V- I V- Hall Signal Input 19 W+ I W+ Hall Signal Input 20 W- I W- Hall Signal Input 21 GND - Ground (Signal) 22 RS O Output Current Detection 23 NC - No Connection 24 NC - No Connection 25 G 26 U 27 V 28 W

OUT OUT OUT

OUT

- Ground (Power) OU Out OV Out OW Out

Internal Block Diagram (32-SDIPH)

CTL

F/R

32 31 30 29 28 27 24 23 22 21 20 19 18 17

CW & CCW

+

−

U+

TR

U−

OUT2FGIOUT1

CTL

FG

−

+

TSD

+

−−

V+

IN2FGIN1

FG

2.5V

−

+

V−

W+

W−

GND

26 25

LOGIC

GND

NC

RS

REF

V

−

+

OUT

G

CTL

LIM

V

I

1.25V

−

+

−

++

OUTVOUTWOUT

U

CC1

CI

V

16151413121110987654321

CC2

V

4

Internal Block Diagram (28-SSOPH)

KA3080/KA3080D/KA3080DM

OUT

W

V

1234567 8

CC2VCC1

V

OUT

U

G

NC

RS

FIN

LOGIC

−

++

1.25V

LIM

I

+ −

CTL

REF

V

+ −

CI

2.5V

FIN

NC

GND

1.8k

GND

W−

W+

−

+

IN1

FG

−

+

IN2

FG

+

−

56k

91011121314

V−

−

+

TSD

OUT1FGOUT2

FG

V+

1516171819202122232425262728

−

+

CW&CCW

CTLFRCTL

TR

U+

U−

5

KA3080/KA3080D/KA3080DM

Equivalent Circuits (32-SDIPH: Ο, 28-SSOPH: (#))

Description Pin No. Internal Circuit

32-SDIPH

1, 2, 3 4, 5, 6

Hall Input

Output &

Current Detection

28-SSOPH

15, 16, 17 18, 19, 20

32-SDIPH

13, 14, 15, 11

28-SSOPH

26, 27, 28, 22

(15)

(17)

(19)

1

3 5

Vcc1

RS (0.5Ω)

16

(1) V

CC2

13

11

(22 Pin)

(26) U

14

2

4 6

OUT

12

(16)

(18)

(20)

(27) V

15

(25 Pin)

OUT

(28) W

OUT

Speed Control

(Current limitation)

6

32-SDIPH

19

28-SSOPH

4

(4)

Vcc1

19

KA3080/KA3080D/KA3080DM

Equivalent Circuits (32-SDI PH: Ο , 28-SSOPH: (#))

Description Pin No. Internal Circuit

32-SDIPH

Speed Control

(Voltage Control)

Voltage Control

Reference

20

28-SSOPH

5

32-SDIPH

21

28-SSOPH

6

(6Pin)

(5Pin)

20

21

(Continued)

V

CC1

Vcc1

11

R

S

G

OUT

(22Pin)

Torque Ripple

Control

Forward & Reverse

Control

32-SDIPH

31

28-SSOPH

13

32-SDIPH

32

28-SSOPH

14

Vcc1

R

31

S

(13Pin)

Vcc1

32

1.25V

7

KA3080/KA3080D/KA3080DM

Equivalent Circuits (32-SDI PH: ΟΟΟΟ , 28-SSOPH: (#))

Description Pin No. Internal Circuit

FG AMP.

Phase

Stabilization

32-SDIPH

27, 28, 29, 30

28-SSOPH

9, 10, 11, 12

32-SDIPH

16, 18

28-SSOPH

1, 3

30

(12Pin)

−

+

FG COMP

29

(11Pin)

(Continued)

FG AMP

+

−

CI

27

(9Pin)

2.5V 28

(10Pin)

1618

(1Pin)(3Pin)

8

KA3080/KA3080D/KA3080DM

Absolute Maximum Ratings (Ta=25°°°°C)

Parameter Symbol Value Unit Remark

Supply Voltage (Signal) V Supply Voltage (Power) V Maxium Output Current I

Power Dissipation P

Junction Temperature T

CC1max CC2max

Omax

d

J

OPR

Storage Temperature T

STG

Note:

1. Duty 1 / 100, pulse wid th 500µs

2. 1) When mounted on glass epoxy PCB (76.2 × 114 × 1.57mm)

2) Power dissipation reduces 13.6mW / °C for using above Ta=25°C. (32SDIPH Type) Power dissipation reduces 19.2mW / °C for using ab ove Ta=25°C. (28SSOPH Type) Power dissipation reduces 20.0mW / °C for using ab ove Ta=25°C. (28SSOPH -SG2 Type)

3) Do not exceed Pd and SOA(Safe Operating Area).

7V -

28 V -

note1

1.5

2.4

1.7

2.5

note2 note2 note2

A / Phase V

CC1

=5V, V W 32SDIPH-400 W 28SSOPH-375 W 28SSOPH-375SG2

150 °C

-25 ~ +75 °C

V

CC1

=5V, V

-40 ~ +125 °C

CC2

=16V

=16VOperating Temperature T

Power Dissipation Curve

Power dissipation (W)

2.5

2.4

1.7

0

2

8

-

S

O

3

2

8

25 75 150

P

H

I

P

SOA

S

O

-

3

7

5

H

P

S

G

2

H

-

3

7

5

Ambient temperature, Ta [°C]

S

D

-

S

Recommened Operating Conditions (Ta=25°°°°C)

Parameter Symbol Value Unit

Operating Supply Voltage (Signal) V Operating Supply Voltage (Power) V

CC1 CC2

4.5 ~ 5.5 V 8 ~ 27 V

9

KA3080/KA3080D/KA3080DM

Electrical Characteristics

(V

=5V, V

CC1

Block Parameter Symbol Conditions Min. Typ. max. Unit

Total

Output

Control

Rotation Control

FG amp & comp

=16V, RS=0.5Ω, Ta=25°C, unless otherwise specified)

CC2

Quiescent Input Current 1 I Quiescent Input Current 3 I Quiescent Input Current I Quiescent Input Current (Max.) I

CC1 CC3

O1 O3

Current Limit Level GM

Control Gain GM Output Amp. Saturation Voltage 4

(Outflow Current) Output Amp. Saturation Voltage 4

(Inflow Current)

V

SU4IOUT

V

SD4IOUT

Limit Current Gap Of Phases LD1 LI Current Gap Of Phases D1 I

L1

1

V

=5V, VFR=5V 5.0 8.5 12.0 mA

CC1

V

=7V, VFR=5V 6.0 10.0 15.0 mA

CC1

V

=16V, V

CC2

V

=27V, V

CC2

RS=0.5Ω

VIN=0V

=0V - 1.5 5.0 mA

LIM LIM=VREF

-2.77.0mA

32-SDIPH 0.61 0.67 0.73

28-SSOPH 0.46 0.52 0.58

32-SDIPH 0.9 1.0 1.1

28-SSOPH 0.7 0.8 0.9

=0.8A / Phase - 1.8 2.0 V

-LI

VU2

VU1-IWU1

WU2

-20 0 20 mA

-20 0 20 mA Phase Output Wave Frequency 1 PF1 15kHz, 5Vp-p 2.45 2.5 2.55 kHz Phase Output Wave Frequency 4 PF4 10kHz, 5Vp-p 1.62 1.67 1.72 kHz Current Limit Input Current I19 - - 350 2000 nA Control Input Current I20 - - 350 2000 nA Input Offset Voltage U V

CW Voltage Range V

O2U FRU

--50050mV

- 1.0 1.3 1.6 V

FG Amp. Input DC Voltage V28(10) 32-SDIPH (28-SSOPH) 2.2 2.5 2.8 V FG Amp. Reference Voltage V27(9) 32-SDIPH (28-SSOPH) 2.2 2.5 2.8 V FG Amp. Voltage Gain FG FG Comp. Output Frequency F FG Comp Downward Input

Threshold Voltage FG Comp. UPward Input

Threshold Voltage

COMP

V

THDW

V

THUP

FG Comp. Hysteresis V FG Output High Voltage FG FG Output Low Voltage FG

HYS

AV1

HI

LO

FG

=10kHz, 60mVp-p 28 31 34 Times

IN3

FG FG

FG

=3Vp-p (1kHz) 0.9 1 1.1 kHz

AMP0

=3→2 Sweep 2.40 2.45 2.50 V

AMP0

=2→3 Sweep 2.50 2.55 2.60 V

AMP0

- 20 100 180 mV

FG

=3V 4.2 - - V

IN3

FG

=2V - - 0.4 V

IN3

A / V

10

KA3080/KA3080D/KA3080DM

Application Information (32-SDIPH: ΟΟΟΟ , 28-SSOPH: (#))

1. Hall Input

The input signal of the hall sensor requires larger amplitude than 100mVo-p. The operating voltage level of the hall sensor is from 1.2V ~ V

CC1

-0.8V.

VCC1

(15)

1

(17)

3 5

(19)

2. Output Current Detection

(16)

2

(18)

4 6

(20)

(1) V

16

CC2

(26) U

13

OUT

(27) V

14

15

More than 1.7V

More than 100mVo-p

More than 1.3V

OUT

(28) W

OUT

RS (0.5Ω)

The RS (Output current sensing resistor ) is connected to G

OUT

which is feedback amplifier.

3. Motor Speed Control (Input Current Limitation)

The maxmum output current is limitted by the I If current limitation is not in use then connect it to V The control gain is approx. 0.67A/V as follows. GML = ∆I

O

/ ∆V

LIM

= (I

O2

− I

O1

) / (V

LIM2

(Current limiting) voltage.

LIM

.

CC1

LIM1

), where V

− V

11

(22 Pin)

12

(25 Pin)

and Approx. 0.5Ω, It converts motor current to a voltage

= 1.45V → Output current=I

V

LIM1

= 1.55V → Output current=I

LIM2

O1

O2

11

KA3080/KA3080D/KA3080DM

(4)

19

Output Current (Max.)

0.67A/V

4. Motor Speed Control (Input Voltage Control)

Motor speed control is possible when V The control gain is approx. 1.0A/V as follows.

GML = ∆I

V

O

/ ∆V

CTL

= (I

(5Pin)

O2

) / (V

− I

O1

20

CTL

CTL2

V

CC1

≥ V

G

OUT

− V

REF

CTL1

.

), where V

REF

Output Current (Max.)

01.25V V

= 2.5V, V

0V

= 2.6V → Output current=I

CTL1

= 2.7V → Output current=I

CTL2

REF

1.0A/V

LIM

O1

O2

V

LIM

5. Voltage Control Reference

The input voltage range is 2V ≤ V

12

REF

≤ (V

CC1

(6Pin)

- 2V).

21

(22Pin)

11

R

S

6. Torque Ripple Control

KA3080/KA3080D/KA3080DM

V

CC1

1 2

R

31

S

3

(13Pin)

The motor torque ripple is controlled by the TR

CTL

1. GND

2. Normal Mode

3. Control Mode

7. Forward & Reverse Rotation Control

32

(14Pin)

Forward mode: V Reverse mode: V

FRCTL

≥ 1.8V

≤ 0.8V

8. FG Amp

(12Pin)

30

−

+

FG COMP

(Torque ripple control) voltege as follows.

1.25V

FG AMP

29

(11Pin)

+

−

2.5V

27

28

(9Pin)

(10Pin)

9. Phase Stabilization

CI

Be inserted a capacitor between V This capacitor, approx. 0.1µF is for the phase stabilization of the circuit.

CC2

.

1618

(1Pin)(3Pin)

13

KA3080/KA3080D/KA3080DM

Timming Chart

FR

U (+)

U

U (−)

V (+)

V

V (−)

W (+)

forward mode

CTL

(CW): High

FR

CTL

(CCW): Low

reverse mode

W

W (−)

+

U

OUT

−

+

V

OUT

−

+

W

OUT

−

0 180 360 540 720

ωt

0 180 360 540 720

OUTFLOW

INFLOW

ωt

14

Test Circuits (32-SDIPH)

R3=10k R2=1k R1=10k

KA3080/KA3080D/KA3080DM

V

FR

V1

V2

V3

V4

V5

V6

V

R4=0.5(20W)

C1=C2=C3=0.1µF

I

CC1

=16V

CC2

M

A

SW7

R5=R6=R7=5(20W)

A

0.01µF

H

L

H

L

H

L

H

L

H

L

H

L

SW8

SW9

SW10

SW1

SW2

SW3

SW4

SW5

SW6

10µF

1

U+

2

U−

3

V+

V−

4

W+

5

W−

6

GND

7

8

GND

FG

F/R

TR

OUT2

OUT1

FG

GND

CTL

IN2

IN1

32

31

30

29

28

27

26

25

KA3080

GND

9

10

GND

RS

11

12

G

OUT

13

U

OUT

V

OUT

14

15

W

OUT

16 17

V

CC2

0.1µF

GND

V

REF

V

CLT

I

V

CC1

NC

LIM

24

23

22

21

20

19

18

CI

SW14

SW11

V

LIM

1 2

1µF

R9=1k

SW16

1

3 3

1

FG

CTL

(VCTL)

SW13

3

2

OUT2

OUT1

2

1

SW15

2

FG

1

SW12

R10=1k

IN2

IN1

R8=1k

10M

V

CC1

V

CTL

10M

=5V

I

CC2

15

KA3080/KA3080D/KA3080DM

Test Circuits (28-SSOPH)

LIM

CTL

C7

0.01µC410µ 1

V

CC2

W

OUT

28

SW10

2

1µ

1

SW12

2

3

SW13 2

1

SW16

3

4

5

6

7

V

CI

I

LIM

V

NC

CC1

CTL

REF

V

OUT

U

OUT

G

OUT

NC

RS

27

SW9

26

SW8

25

24

23

22

R7=R8=R9=5(20W)

A

C3

A

C2

A

R8

R9

R4

0.5(20W)

=16V

V

CC2

I

CC1

=5V

V

CC1

I

CC1

V

10M

V

SW7

R8 1k

R9 1k

FIN FIN

KA3080D

FG

IN1

IN2

V

C6 1µ

+

1

SW11

3

2

8

9

10

GND

FG

IN1

IN2

GND

W−

W+

+

C5

FG

OUT1

1µ

R10

FG

2 3

2

1

SW15

OUT2

1k

FR

1

11

12

3

13

SW14

14 15

FG

TR

FR

OUT1

OUT2

CTL

V−

V+

U−

U+

21

H

SW1

20

SW2

19

SW3

18

SW4

17

SW5

16

SW6

M

L H

M

L H

M

L H

M

L H

M

L H

M

L

R1 10kR21kR310k

V6

V5

V4

V3

V2

V1

16

Typical Application Circuits (32-SDIPH)

V

=5V

CC1

(SIGNAL)

180k

KA3080/KA3080D/KA3080DM

180k

LU

LV

HU

HV

HW

0.5k

U+

1

U−

2

V+

3

V−

4

5

W+

6

W−

GND

7

8

GND

FG

F/R

TR

OUT2

OUT1

FG

GND

CTL

IN2

IN1

32

F/R

7.5k

31

OUTPUT

FGA

FG

MP

AMP

INPUT1

30

29

28

27

OUTPUT

INPUT 2

2

1

26

25

KA3080

GND

9

10

GND

RS

11

G

12

OUT

U

OUT

13

V

OUT

14

GND

V

REF

V

CTL

I

NC

LIM

24

23

22

10k

21

10k

20

19

V

CTL

I

LIM

V

=16V

CC2

(POWER)

LW

+

10µF

W

15

OUT

16 17

V

cc2

CI

V

cc1

104

18

V

=5V

CC2

(SIGNAL)

17

KA3080/KA3080D/KA3080DM

Typical Application Circuits (28-SSOPH)

V

=16V

CC2

(POWER)

=5V

V

CC1

(SIGNAL)

V

CTL

INPUT

10k

1

2

3

4

5

6

7

FIN FIN

V

CI

I

LIM

V

NC

CC2

CC1

CTL

REF

KA3080D

W

OUT

V

OUT

U

OUT

G

OUT

NC

RS

28

27

26

25

24

23

22

10µ

0.5(20W)

0.1µ 0.1µ

0.1µ

L

W

L

V

L

U

GND

(POWER)

GND

(SIGNAL)

FG AMP

INPUT1

FG AMP

INPUT2

FG AMP

OUTPUT1

FG AMP

OUTPUT2

TR

CTL

INPUT FR

CTL

INPUT

8

9

10

11

12

13

14 15

GND

FG

TR

FR

IN1

IN2

OUT1

OUT2

CTL

GND

W−

W+

V−

V+

U−

U+

21

20

H

W

180k

19

18

H

V

17

16

H

U

180k

18

KA3080/KA3080D/KA3080DM

19

KA3080/KA3080D/KA3080DM

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9/6/02 0.0m 001

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