AT5654H [GMT]

Micro Peripheral IC,;


型号：	AT5654H
厂家：	GLOBAL MIXED-MODE TECHNOLOGY INC
描述：	Micro Peripheral IC,
文件：	总12页 (文件大小：539K)
中文：	中文翻译
下载：	下载PDF数据表文档文件

AT5654

Preliminary Product Information

4-Channel BTL Motor Driver

Features

Description

The AT5654 is a 4-channel BTL driver IC. Two

of them can drive DC motors and two can drive

coils, such as the focus and tracking actuators of

˙2 channels of DC motor BTL driver

˙2 channels of BTL driver for coils with

current feedback

CD-ROM/DVD-ROM/DVD-Player system,

˙Built-in suspension function.

˙Built-in thermal shutdown circuit.

˙Operating voltage: 4.5V~13.2V

with current feedback.

Applications

CD-ROM/DVD-ROM/CD-RW drives

DVD player.

* Protected by TW IC Layout Reg. No. 927

Block Diagram

Aimtron reserves the right without notice to change this circuitry and specifications.

2F, No.10, Prosperity RD. II, Science-Based Industrial Park, Hsinchu 300,Taiwan, R.O.C.

Tel: 886-3-563-0878

Fax: 886-3-563-0879

http://www.aimtron.com.tw

Email: service@aimtron.com.tw

AT5654

Preliminary Product Information

4-Channel BTL Motor Driver

Pin Descriptions

Pin No.

Pin name

Function

IN1

CH1(Focus coil) input

CAP1_1

CH1 error amplifier filter capacitor connection 1

CH1 error amplifier filter capacitor connection 2

CH2(Sled driver) input (+)

CH2(Sled driver) input (-)

CH2(Sled driver) pre-amplifier output

CH1(Focus coil) feedback pin

Power Supply

CAP1_2

IN2+

IN2-

COMP2

FB1

VCC

PVCC1

PGND

OUT2-

OUT2+

OUT1-

OUT1+

OUT4+

OUT4-

OUT3+

OUT3-

PGND

FB4

Power Supply 2

Ground

CH2(Sled driver) output (-)

CH2(Sled driver) output (+)

CH1(Focus coil) output (-)

CH1(Focus coil) output (+)

CH4(Tracking coil) output (+)

CH4(Tracking coil) output (-)

CH3(Loader) output (+)

CH3(Loader) output (-)

Ground

CH4(Tracking coil) feedback pin

Power Supply 2

PVCC2

GND

Ground

CH3(Loader) input

IN3

CAP4_2

CAP4_1

IN4-

CH4 error amplifier filter capacitor connection 2

CH4 error amplifier filter capacitor connection 1

CH4 (Tracking driver) input

VREF input pin

VBIAS

STBY

Stand-by control pin

Notes: The indicated polarities for the output pins are under the condition that all inputs are (+).

The power supplies for the driver output are PVcc1 for the loader, PVcc2 for focus and tracking

drivers, and Vcc for pre-block and sled driver. Therefore, make sure Vcc≧PVcc1,2.

Pin Out

2F, No.10, Prosperity RD. II, Science-Based Industrial Park, Hsinchu 300,Taiwan, R.O.C.

Tel: 886-3-563-0878

Fax: 886-3-563-0879

http://www.aimtron.com.tw

Email: service@aimtron.com.tw

AT5654

Preliminary Product Information

4-Channel BTL Motor Driver

Ordering Information

Part number

AT5654H

Package

Marking

AT5654H

28-pin HSOP

AT5654H_PBF 28-pin HSOP, PB-Free AT5654H, Date Code with one bottom line

Power Dissipation (Ta = 25^oC)

Condition: mount on 50x50 mm t=1.0mm paper phenol PCB

2F, No.10, Prosperity RD. II, Science-Based Industrial Park, Hsinchu 300,Taiwan, R.O.C.

Tel: 886-3-563-0878

Fax: 886-3-563-0879

http://www.aimtron.com.tw

Email: service@aimtron.com.tw

AT5654

Preliminary Product Information

4-Channel BTL Motor Driver

Absolute maximum ratings (Ta = 25^oC)

Parameter

Symbol

Limits

13.5

unit

^oC

Power supply voltage

Power dissipation

VCC,PVCC1,2

P_d

1.7

Operating temperature

Storage temperature

T_opr

T_stg

-30~+80

-55~+150

Recommended operating conditions (Ta = 25^oC)

Parameter

Symbol

VCC

Limits

unit

Power supply voltage

4.0~13.2

4.0~Vcc

PVCC1

PVCC2

Electrical characteristics

(^{unless otherwise noted, Ta = 25}^o^{C, VCC = PVCC1 =12V, PVCC2 =5V, VBIAS=2.5V, R}_L1^{= R}_L2^{=8Ω, R}_L3^{= R}_L4^=15Ω)

Parameter

Quiescent current

Symbol Min.

Typ. Max. Unit

Conditions

I_QC

0.5

Stand-by quiescent current

Stand-by ON voltage

Stand-by OFF voltage

I_QSB

V_SBON

V_SBOFF

2.0

Output current offset

Maximum output voltage

I_O1,2

V_O1,2

-6

3.6

4.0

V_IN= V

±1.5V

±0.2V

BIAS

Gain

1.3

1.5

1.7

A/V

Input common mode range

V_ICM

-0.3

11.0

=6 V

VCC=PVVCC=5V

BIAS

V_ICM

-0.3

4.0

-300

0.3

Input bias current

I_B

-30

0.1

-0.5

Low level output voltage

Output source current

Output sink current

V_OLOP

I_SOURCE-0.3

I_SINK

Output voltage offset

Maximum output voltage

V_OFFSL-100

V_O3MAX7.5

9.0

100

V_IN= V

±1.5V

±0.2V

BIAS

Closed loop gain

G_VSL

18.0

20.0

22.0

Output voltage offset

V_OFFLD-50

V_O4max17.5

V_O4max23.6

9.0

Maximum output voltage

V_IN= V

±2.0V

±1.5V

BIAS

Maximum output voltage

4.0

VCC=PVCC1=5V

Closed loop gain

Gain error

G_VLD

ΔG_VLD

13.5

15.5

17.5

V_IN= V

±0.2V

BIAS

*This product is not designed for protection against radioactive rays.

2F, No.10, Prosperity RD. II, Science-Based Industrial Park, Hsinchu 300,Taiwan, R.O.C.

Tel: 886-3-563-0878

Fax: 886-3-563-0879

http://www.aimtron.com.tw

Email: service@aimtron.com.tw

AT5654

Preliminary Product Information

4-Channel BTL Motor Driver

Typical Curve

2F, No.10, Prosperity RD. II, Science-Based Industrial Park, Hsinchu 300,Taiwan, R.O.C.

Tel: 886-3-563-0878

Fax: 886-3-563-0879

http://www.aimtron.com.tw

Email: service@aimtron.com.tw

AT5654

Preliminary Product Information

4-Channel BTL Motor Driver

2F, No.10, Prosperity RD. II, Science-Based Industrial Park, Hsinchu 300,Taiwan, R.O.C.

Tel: 886-3-563-0878

Fax: 886-3-563-0879

http://www.aimtron.com.tw

Email: service@aimtron.com.tw

AT5654

Preliminary Product Information

4-Channel BTL Motor Driver

2F, No.10, Prosperity RD. II, Science-Based Industrial Park, Hsinchu 300,Taiwan, R.O.C.

Tel: 886-3-563-0878

Fax: 886-3-563-0879

http://www.aimtron.com.tw

Email: service@aimtron.com.tw

AT5654

Preliminary Product Information

4-Channel BTL Motor Driver

Test Circuit

2F, No.10, Prosperity RD. II, Science-Based Industrial Park, Hsinchu 300,Taiwan, R.O.C.

Tel: 886-3-563-0878

Fax: 886-3-563-0879

http://www.aimtron.com.tw

Email: service@aimtron.com.tw

AT5654

Preliminary Product Information

4-Channel BTL Motor Driver

Application example

2F, No.10, Prosperity RD. II, Science-Based Industrial Park, Hsinchu 300,Taiwan, R.O.C.

Tel: 886-3-563-0878

Fax: 886-3-563-0879

http://www.aimtron.com.tw

Email: service@aimtron.com.tw

AT5654

Preliminary Product Information

4-Channel BTL Motor Driver

2F, No.10, Prosperity RD. II, Science-Based Industrial Park, Hsinchu 300,Taiwan, R.O.C.

Tel: 886-3-563-0878

Fax: 886-3-563-0879

http://www.aimtron.com.tw

Email: service@aimtron.com.tw

AT5654

Preliminary Product Information

4-Channel BTL Motor Driver

2F, No.10, Prosperity RD. II, Science-Based Industrial Park, Hsinchu 300,Taiwan, R.O.C.

Tel: 886-3-563-0878

Fax: 886-3-563-0879

http://www.aimtron.com.tw

Email: service@aimtron.com.tw

AT5654

Preliminary Product Information

4-Channel BTL Motor Driver

Package Outlines (units:mm): HSOP-28

2F, No.10, Prosperity RD. II, Science-Based Industrial Park, Hsinchu 300,Taiwan, R.O.C.

Tel: 886-3-563-0878

Fax: 886-3-563-0879

http://www.aimtron.com.tw

Email: service@aimtron.com.tw

AT5654H [GMT]

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