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HA13631T

CD-ROM Combo Driver

ADE-207-320 (Z)

1st Edition

Feb. 2000

Description

The HA13631T is combination of Spindle, Forcus, Tracking, Slide, Tray designed for CD-ROM and have
following functions and features.

Functions

1.5 A spindle driver

0.75 A focus driver

0.75 A tracking driver

1.0 A slide driver

0.75 A tray driver

Over temperature shut down (OTSD)

Features

Corresponds to both of sensor motor and sensorless motor

All direct PWM drive

Low on resistance

Low power dissipation

Small thin surface mount package

HA13631T

Pin Arrangement

(Top view)

ASGND

OP1IN

FCSIN

FCSN

FCSP

VFCS

FCSGND

TRKP

TRKN

TRKIN

OP2IN

VSS

SGND

PWMDC

CT2

CT1

REFIN

VCTL

HW-

HW+

HV-

HV+

HU-

VSPN

ASGND

SLDIN

OP3IN

OP4IN

VSLD

TRYIN

SLDP

SLDN

SLDGND

VTRY

TRYP

TRYN

BSTGND

BP1

BP2

VBST

RNF

EXTCOM

FGOUT

COMM

BRKSEL

HU+

ASGND

HA13631T

Pin Description

Pin No.

Pin Name

Function

ASGND

Actuator small signal GND

SLDIN

SLD driver control input

OP3IN

Inverted input of OP amp. 3 for SLD driver control

OP4IN

Inverted input of OP amp. 4 for TRY driver control

VSLD

SLD driver power supply

TRYIN

TRY driver control input

SLDP

SLD driver P output

SLDN

SLD driver N output

SLDGND

SLD and TRY driver GND

VTRY

TRY driver power supply

TRYP

TRY driver P output

TRYN

TRY driver N output

BSTGND

Booster GND

BP1

Booster pumping capacitor connection

BP2

Booster pumping capacitor connection

VBST

Booster output pin. This circuit generates a voltage about two times of the VSPN
pin.

U phase output

RNF

SPN driver current detection

V phase output

W phase output

EXTCOM

COMM signal on/off control and FGOUT switching. (Refer to the Timing Chart)

FGOUT

FG output (Refer to the Timing Chart) open drain

COMM

Start-up clock input pin for sensorless (Refer to the Timing Chart)

BRKSEL

To select the brake mode (Refer to the Truth Table)

Chip enable (Refer to the Truth Table)

Hall bias switch

HU+

U-phase Hall +input, and U-phase B-EMF connection pin for sensorless

ASGND

Actuator small signal GND

ASGND

Actuator small signal GND

VSPN

SPN driver power supply

U-phase Hall input, and center tap connection pin for sensorless

HV+

V-phase Hall +input, and V-phase B-EMF connection pin for sensorless

V-phase Hall input, and center tap connection pin for sensorless

HA13631T

Pin Description (cont)

Pin No.

Pin Name

Function

HW+

W-phase Hall +input, and W-phase B-EMF connection pin for sensorless

W-phase Hall input, and center tap connection pin for sensorless

VCTL

SPN driver control input

REFIN

Reference voltage for control inputs. Common to all drivers.

Reference voltage. The IC's internal reference current is determined by this
voltage and the external resistor Rt.

CT1

Time constant for clock oscillation. The oscillator frequency is determined by the
external capacitor and resistor Ct1 and Rt.

CT2

Time constant for PWM carrier. The amplitude is determined by the value of the
external capacitor Ct1.

PWMDC

Phase compensation connection pin for matching PWM carrier DC level with
REFIN

SGND

SPN small signal GND

VSS

Control block power supply. 5 V

OP2IN

Inverted input of OP amp. 2 for TRK driver control

TRKIN

TRK driver control input

TRKN

TRK driver N output

TRKP

TRK driver P output

FCSGND

FCS and TRK driver GND

VFCS

FCS driver power supply

FCSP

FCS driver P output

FCSN

FCS driver N output

FCSN

FCS driver control input

OP1IN

Inverted input of OP amp. 1 for FCS driver control

No connection

ASGND

Actuator small signal GND

HA13631T

Block Diagram

COMM

CLK

VCTL

BRKSEL

REFIN

OP1IN

Ct1

Zero cross

detection

1.5 A
SPN
output

FGOUT

EXTCOM

VSPN

VSS

ENABLE

CLK

OSC

CLK

OP1

PWM

control

PWM

carrier

Vref

C104

Rnf

OTSD

Bias

Logic

FCS

SPN

TRK
SLD
TRY

C103

BP2

BP1

VFCS

FCS

Vbst

Ct2

PWM

control

TRK

Vbst

PWM

control

FCSIN

OP3IN

OP3

VSLD

SLD

Vbst

PWM

control

SLDIN

OP2IN

OP2

TRKIN

OP4IN

OP4

VTRY

TRY

Vbst

PWM

control

TRYIN

SGND

5 k

HA13631T

Timing Chart

1. Start-up

COMM

Output voltage
(U phase)

FGOUT

Notes: 1.

T1 to T10, and Tmext are set by CPU.
B-EMF sensing is masked while COMM = H.
Also, when EXTCOM = H, B-EMF sensing is masked during the period from T1 to T6.

T1 T3

T10

Vspn

Tmext

EXTCOM

Output voltage
(V phase)

Vspn

Output voltage
(W phase)

Vspn

Output current
(U phase)

Output current
(V phase)

Mute

(B-EMF detection)

PWM

Output current
(W phase)

HA13631T

2. Acceleration

Output voltage
(U phase)

Note: 1.

Vspn

Reverse start-up
voltage
B-EMF

EXTCOM

Output voltage
(V phase)

Vspn

Output voltage
(W phase)

Vspn

Output current
(U phase)

Output current
(V phase)

Tmext

Tmint

FGOUT

Output current
(W phase)

COMM

PWM

B-EMF sensing is masked while COMM = H (= Tmext) or FGOUT = H (= Tmint).
Tmext is set by the CPU.

HA13631T

3. Running

Output voltage
(U phase)

Vspn

Reverse start-up
voltage
B-EMF

EXTCOM

Output voltage
(V phase)

Vspn

Output voltage
(W phase)

Vspn

Output current
(U phase)

Output current
(V phase)

FGOUT

Output current
(W phase)

Zero cross
detection
input

PWM

Notes: 1.

Delay time Td is determined by C105 to C107, and R109 to R116.
Refer to the section of External Components.
B-EMF sensing is masked while FGOUT = H (= Tmint). The Tmint time is set internally.
Refer to the Electrical Characteristics.

HA13631T

Truth Table

Table 1

CE and BRKSEL

BRKSEL

SPN Driver

FCS Driver

TRK Driver

SLD Driver

TRY Driver

Enable *

Enable

Enable *

Enable

Enable *

Enable

Notes: 1. Z: Hi impedance

2. Short brake mode

3. Reverse brake mode

Table 2

EXTCOM and COMM

EXTCOM

COMM

T1~T6
Mask

T7~
Mask

FGOUT
(@P = 12)

Logic

OFF

Internal

6 cycle/rotation

Corresponds to sensor

OFF

Internal

Corresponds to sensorless

Internal

36 pulse/rotation

External

HA13631T

Application

VSPN

VSS

HUN

HVP

HVN

HWP

COMM

FGOUT

EXTCOM

VCTL

REFIN

BRKSEL

CT1

C105a~d

R101a~d

HUP

+5 V or
+12 V

FCS

+5 V

TRYIN

OP4IN

MPU

DSP

HWN

Ct1

C101

C103

RNF

Rnf

VBST

VFCS

+5 V or
+12 V

VSLD

VTRY

FCSP

FCSN

TRYP

TRYN

BSTGND

FCSGND

P55

P54

SLDGND

SGND

ASGND

C102

C104

PWMDC

Ct2

CT2

TRY

R110

R109

R102a~d

SLDIN

OP3IN

R108

R107

TRKIN

OP2IN

R106

R105

FCSIN

OP1IN

R104

R103

SLDP

SLDN

SLD

TRK

TRKP

TRKN

HA13631T

External Components

Parts No.

Reccomended
Value

Reccomended
Range

Purpose

Note

R101a~d

2.4 k

22 k

Filter resistor and atenuation for B-EMF

R102a~d

7.5 k

22 k

Filter resistor and atenuation for B-EMF

R103, R104

220 k

for FCS driver gain setting

R105, R106

220 k

for TRK driver gain setting

R107, R108

220 k

for SLD driver gain setting

R109, R110

220 k

for TRY driver gain setting

Rnf

0.25

SPN driver current detection resistor

6.8 k

5 k

Reference current setting

C101

0.1

for Power supply by passing

C102

0.1

for Booster pumping

C103

0.47

for Booster output smoothing

C104

2200 pF

for PWM carrier oscillation DC level adjustment

C105a~d

0.1

for B-EMF filter

Ct1

100 pF

Time constant for CLK oscillation

3, 4

Ct2

400 pF

PWM carrier generation time constant

3, 4

Notes: 1. The values of R101a~d, R102a~d, and C105a~d are determined by the following equation.

Where, Nomax : Maximum rotation speed (rpm)

: Number of spindle motor poles (Total number of S poles and N poles)

R101
R102

1
4

(at Vspn = 5 V)

Nomax P

R101x

R102x

C105x =

2. The output current maximum value Iospnmax of SPN driver is controlled according to the

following equation. However, Vspncl is the current limiter reference voltage. (See the electrical
characteristics)

Iospnmax =

Vspncl

Rnf

3. The CLK oscillation frequency fclk and Rt1

Ct1 are related by the following equation.

Vrt

2 Ct1 Rt (Vct1h

Vct1l)

fclk =

Where, Vrt

: RT pin voltage (See the electrical characteristics)

Vct1h : CT1 pin high voltage (See the electrical characteristics)

Vct1l : CT1 pin low voltage (See the electrical characteristics)

HA13631T

4. The PWM carrier frequency fpwm and the amplitude Apwm are determined by the following

equation.

fpwm =

Vrt

8 Ct1 Rt (Vct1h

Vct1l)

Apwm =

(Vct1h

Vct1l)

4 Ct1

Ct2

However, Ct2 = 4 Ct1

5. As 5 k

appears as an internal resistance at TRYIN (pin 6), caution is required when marking

the gain setting.

HA13631T

Absolute Maximum Ratings (Ta = 25

Item

Symbol

Rating

Unit

Note

Control block supply voltage

Vss

SPN supply voltage

Vspn

FCS & TRK supply voltage

Vfcs

9.5

SLD supply voltage

Vsld

TRY supply voltage

Vtry

9.5

Input voltage

Vin

0 to Vss

SPN output current

Iospn

1.5 (2.5)

FCS output current

Iofcs

0.75 (1.5)

TRK output current

Iotrk

0.75 (1.5)

SLD output current

Iosld

1.0 (1.5)

TRY output current

Iotry

0.75 (1.5)

Power dissipation

2.5

Junction temperature

150

Storage temperature range

Tstg

55 to +125

Note:

1. Operating range is shown below.

Vss = 4.5 to 5.5 V, Vspn = 4.25 to 5.75 V, Vfcs = 4.25 to 8.5 V, Vsld = 4.25 to 5.75 V, Vtry = 4.25

to 8.5 V, Tjopr = 20 to +135

When operating with Vfcs > Vss, it is necessary to set Vtry = Vfcs. Also, settings must be made

that satisfy the following condition:

Vtry + Vss Vsld

8.5 V

2. Applied to analog and logic input.

3. Values in parentheses are peak values. ASO (Area of Safety Operation) is shown below.

Drain Current Id (A)

ASO of SPN Driver

0.1

0.5

The voltage between Drain and Source Vds (V)

1.5

0.2

0.3

2.5

10 15

Drain Current Id (A)

ASO of SLD Driver

0.1

0.5

The voltage between Drain and Source Vds (V)

1.5

0.2

0.3

10 15

Drain Current Id (A)

ASO of FCS

TRK

TRY Driver

0.1

0.5

The voltage between Drain and Source Vds (V)

1.5

0.2

0.3

10 15

t = 0.1 ms

Duty = 1/3

Duty = 1/2

t = 10 ms

t = 1 ms

t = 0.1 ms

t = 10 ms

t = 1 ms

4. Thermal resistance is shown below.

j-tab

C/W (back side tab soldering area is 70% or more)

j-a1

C/W (mounted on 4 layer glass-epoxy board, back side tab soldering area is 70% or

more)

HA13631T

Electrical Characteristics
(Ta = 25

C, Vss = 5 V, Vspn = 12 V, Vfcs = 5 V, Vsld = 12 V)

Item

Symbol

Min

Typ

Max

Unit

Test Conditions

Applicable
Pins

Note

Quiescent current

Iss0

0.2

0.5

CE = L

VSS

Ispn0

0.1

0.2

VSPN

Ifcs0

0.1

VFCS

Isld0

0.1

VSLD

Itry0

0.1

VTRY

Iss1

CE = H

VSS

Ispn1

1.0

All load open

VSPN

Ifcs1

1.0

VFCS

Isld1

1.0

VSLD

Itry1

4.0

6.0

VTRY

Logic

Input current

Iin

Vin = 0 to Vss

EXTCOM,

input

Low level voltage

Vil

0.8

COMM,

High level voltage

Vih

2.0

BRKSEL,
CE

Logic

Low level voltage

Vol

0.2

0.4

Io = 1 mA

FGOUT

output 1

Leakage current

CER

= 5.5 V

Logic

Low level voltage

Vol

0.3

0.6

Io = 15 mA

output 2

Leakage current

CER

1.2

1.5

= 5.5 V

SPN
driver

Output on
resistance

Ronspn

1.2

1.5

Io = 1.0 A

U, V, W

Leakage current

Ioffspn

100

Vspn = 15 V

Slew rate

SRspn

Load open

Current limiter
voltage

Vspncl

0.25

10%

Rnf = 0.25

RNF

FCS/
TRK

Output on
resistance

Ronfcs

3.0

3.75

Io = 0.5 A

FCSP/N,
TRKP/N

driver

Leakage current

Iofffcs

100

Vfcs = 15 V

Slew rate

SRfcs

Load open

SLD
driver

Output on
resistance

Ronsld

2.0

2.5

Io = 1.0 A

SLDP/N

Leakage current

Ioffsld

100

Vsld = 15 V

Slew rate

SRsld

Load open

HA13631T

Electrical Characteristics
(Ta = 25

C, Vss = 5 V, Vspn = 12 V, Vfcs = 5 V, Vsld = 12 V) (cont)

Item

Symbol

Min

Typ

Max

Unit

Test Conditions

Applicable
Pins

Note

TRY
driver

Output on
resistance

Rontry

3.0

3.75

Io = 0.5 A

TRYP/N

Leakage current

Iofftry

100

Vtry = 15 V

Slew rate

SRtry

125

Load open

CLK

RT voltage

Vrt

1.37

OSC

CT1 charge current

Ict1p

180

10%

Rt = 6.8 k

CT1

CT1 discharge
current

Ict1n

180

10%

Rt = 6.8 k

CT1 high voltage

Vct1h

2.7

0.1

CT1 low voltage

Vct1l

1.47

0.1

CLK oscillation
frequency

fclk

460

10%

kHz

Ct1 = 100 pF

Bias

Drive frequency

fbst

fclk/2

kHz

BP1

Output voltage

Vbst

16.0

16.5

Vspn = 12 V

VBST

9.0

9.5

Vspn = 5 V

PWM

PWM frequency

fpwm

fclk/4

kHz

CT2

carrier

CT2 charge current

Ict2p

180

10%

Rt = 6.8 k

CT2 discharge
current

Ict2n

180

10%

Rt = 6.8 k

DC feedback
resistance

Rdc

20%

PWMDC

Offset voltage

Vospwm

Zero
cross

Common mode
input voltage range

Vczd

4.0

HU+/,
HV+/,

detection

Input voltage range

Vinzd

mVpp

HW+/

Hysteresis

Vhyszd

mVpp

FGOUT pulse
width

Tmint

64/
fclk

fclk

FGOUT

SPN

Input current

Ictl

3.0

Vctl = 0.5 to 4.5 V

VCTL

control

Dead zone voltage

Vdzctl

200

REFIN voltage
range

Vref

1.0

2.65

REFIN

Control gain

Dspn

119

139

159

%/V

Ct2 = 680 pF,
Ct1 = 100 pF

U, V, W

HA13631T

Electrical Characteristics
(Ta = 25

C, Vss = 5 V, Vspn = 12 V, Vfcs = 5 V, Vsld = 12 V) (cont)

Item

Symbol

Min

Typ

Max

Unit

Test Conditions

Applicable
Pins

Note

OP1~

Input current

Iinop

0.1

Vin = 0 to Vss

OP1~4IN

OP4

Offset voltage

Vosop

FCSIN,

Open loop gain

Gvolop

f = 1kHz

TRKIN,

Gain bandwidth

Bop

1.6

MHz

SLDIN,
TRYIN

OP1~
OP3

Output low
voltage

Voopl

0.5

Io = 0.2 mA

FCSIN,
TRKIN,

Output high
voltage

Vooph

Vss
1.0

Io = 0.2 mA

SLDIN

OP4

Output low
voltage

Voopl

0.5

Io = 0.03 mA

TRYIN

Output high
voltage

Vooph

Vss
1.7

Io = 0.03 mA

FCS/
TRK/

Quiescent offset duty

Dqfcs

FCS/TRK/SLD/
TRYIN = REFIN

FCSP/N,
TRKP/N,

SLD/
TRY
control

Control gain

Dfcs

%/V

Ct2 = 680 pF,
Ct1 = 100 pF

SLDP/N,
TRYP/N

OTSD

Operating temperature

Tsd

135

180

Hysteresis

Thys

HA13631T

Note:

1. Specified by sum of the upper and lower saturation voltages.

2. See figure 1. Where,

Dspn =

Vctl

Reverse

torque

Forward
torque

Vctl(V)

Vdzctl

Vctl

Vref

100

Duty

(%)

Figure 1

3. See figure 2. Where, x = fcs, trk, sld, try.

Dx =

Vxin

Vref

Vxin

100

X = fcs, trk, sld, try

Duty

(%)

Figure 2

4. If Vref < 1.5 V, 100% PWM duty control may not be possible.

5. Design guide only.

HA13631T

Reference Data

Output Current Iospn (A)

1.0

0.5

1.5

Output Saturation Voltage Vsatspn (V)

SPN Driver Output Saturation Voltage vs.

Output Current

FCS Driver Output Saturation Voltage vs.

Output Current

Output Current Iofcs (A)

Output Saturation Voltage Vsatfcs (V)

0.6

0.4

0.8

0.2

1.0

Output Current Iosld (A)

1.0

0.5

1.5

Output Saturation Voltage Vsatsld (V)

SLD Driver Output Saturation Voltage vs.

Output Current

TRK Driver Output Saturation Voltage vs.

Output Current

Output Current Iotrk (A)

Output Saturation Voltage Vsattrr (V)

Output Current Iotry (A)

Output Saturation Voltage Vsattry (V)

TRY Driver Output Saturation Voltage vs.

Output Current

RT Voltage vs. Junction Temperature

Junction Temperature Tj (

RT Voltage Vrt (V)

1.6

1.2

1.4

1.0

100

135

0.6

0.4

0.8

0.2

1.0

0.6

0.4

0.8

0.2

1.0

Upper arm, Lower arm

Upper arm + Lower arm

Upper arm, Lower arm

Upper arm + Lower arm

Upper arm, Lower arm

Upper arm + Lower arm

Upper arm, Lower arm

Upper arm + Lower arm

HA13631T

Package Dimensions

Hitachi Code
JEDEC
EIAJ
Weight (reference value)

TTP-56DT
--
--
0.32 g

Unit: mm

*Dimension including the plating thickness

Base material dimension

0.08

0.10

*0.17

0.05

8.10

0.20

0.65 Max

14.0

6.10

0.50

1.20 Max

0.05

14.2 Max

0.15

0.04

0.50

0.1

1.0

*0.21

+0.04

0.05

0.19

+0.03

0.05

(9.30)

(3.50)

(2.50)

(7.20)

HA13631T

Cautions

1. Hitachi neither warrants nor grants licenses of any rights of Hitachi's or any third party's patent,

copyright, trademark, or other intellectual property rights for information contained in this document.
Hitachi bears no responsibility for problems that may arise with third party's rights, including
intellectual property rights, in connection with use of the information contained in this document.

2. Products and product specifications may be subject to change without notice. Confirm that you have

received the latest product standards or specifications before final design, purchase or use.

3. Hitachi makes every attempt to ensure that its products are of high quality and reliability. However,

contact Hitachi's sales office before using the product in an application that demands especially high
quality and reliability or where its failure or malfunction may directly threaten human life or cause risk
of bodily injury, such as aerospace, aeronautics, nuclear power, combustion control, transportation,
traffic, safety equipment or medical equipment for life support.

4. Design your application so that the product is used within the ranges guaranteed by Hitachi particularly

for maximum rating, operating supply voltage range, heat radiation characteristics, installation
conditions and other characteristics. Hitachi bears no responsibility for failure or damage when used
beyond the guaranteed ranges. Even within the guaranteed ranges, consider normally foreseeable
failure rates or failure modes in semiconductor devices and employ systemic measures such as fail-
safes, so that the equipment incorporating Hitachi product does not cause bodily injury, fire or other
consequential damage due to operation of the Hitachi product.

5. This product is not designed to be radiation resistant.

6. No one is permitted to reproduce or duplicate, in any form, the whole or part of this document without

written approval from Hitachi.

7. Contact Hitachi's sales office for any questions regarding this document or Hitachi semiconductor

products.

Hitachi, Ltd.

Semiconductor & Integrated Circuits.
Nippon Bldg., 2-6-2, Ohte-machi, Chiyoda-ku, Tokyo 100-0004, Japan
Tel: Tokyo (03) 3270-2111 Fax: (03) 3270-5109

Hitachi Asia Pte. Ltd.
16 Collyer Quay #20-00
Hitachi Tower
Singapore 049318
Tel: 535-2100
Fax: 535-1533

URL

NorthAmerica

: http:semiconductor.hitachi.com/

Europe

: http://www.hitachi-eu.com/hel/ecg

Asia (Singapore)

: http://www.has.hitachi.com.sg/grp3/sicd/index.htm

Asia (Taiwan)

: http://www.hitachi.com.tw/E/Product/SICD_Frame.htm

Asia (HongKong)

: http://www.hitachi.com.hk/eng/bo/grp3/index.htm

Japan

: http://www.hitachi.co.jp/Sicd/indx.htm

Hitachi Asia Ltd.
Taipei Branch Office
3F, Hung Kuo Building. No.167,
Tun-Hwa North Road, Taipei (105)
Tel: <886> (2) 2718-3666
Fax: <886> (2) 2718-8180

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Group III (Electronic Components)
7/F., North Tower, World Finance Centre,
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Kowloon, Hong Kong
Tel: <852> (2) 735 9218
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Electronic Components Group.
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Tel: <44> (1628) 585000
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Electronic components Group
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e 3

D-85622 Feldkirchen, Munich
Germany
Tel: <49> (89) 9 9180-0
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Hitachi Semiconductor
(America) Inc.
179 East Tasman Drive,
San Jose,CA 95134
Tel: <1> (408) 433-1990
Fax: <1>(408) 433-0223

For further information write to:

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