Specifications of any and all SANYO Semiconductor Co.,Ltd. products described or contained herein stipulate

the performance, characteristics, and functions of the described products in the independent state, and are not

guarantees of the performance, characteristics, and functions of the described products as mounted in the

customer

device, the customer should always evaluate and test devices mounted in the customer

equipment.

Any and all SANYO Semiconductor Co.,Ltd. products described or contained herein are, with regard to

"standard application", intended for the use as general electronics equipment (home appliances, AV equipment,

communication device, office equipment, industrial equipment etc.). The products mentioned herein shall not be

intended for use for any "special application" (medical equipment whose purpose is to sustain life, aerospace

instrument, nuclear control device, burning appliances, transportation machine, traffic signal system, safety

equipment etc.) that shall require extremely high level of reliability and can directly threaten human lives in case

of failure or malfunction of the product or may cause harm to human bodies, nor shall they grant any guarantee

thereof. If you should intend to use our products for applications outside the standard applications of our

customer who is considering such use and/or outside the scope of our intended standard applications, please

consult with us prior to the intended use. If there is no consultation or inquiry before the intended use, our

customer shall be solely responsible for the use.

60607 MS PC B8-7414 No.7816-1/11

LA6502

Overview

This LA6502 is a 5ch driver for CD and DVD Spindle driver : 3-phase linear sensor-less drive BTL 4ch.

Features

• Spindle driver block

1) 3-phase sensor-less motor driver

2) Soft switching drive

3) Analog input V type control

4) Current limiter incorporated

5) Counter electromotive FG output

6) Reverse prevention circuit incorporated

• Threading, focusing, tracking, and loading blocks

1) BTL-AMP type

• Common block

1) Thermal shutdown circuit incorporated (design guarantee)

2) MUTE function incorporated (pin 3)

3) OP-AMP (1ch) incorporated (open collector output)

Specifications

Absolute Maximum Ratings at Ta = 25

°C

Parameter

Symbol

Conditions

Ratings

Unit

Motor Supply Voltage 1

VCC1

SPINDLE, SLED, LOADING power supply

14.5

V

Motor Supply Voltage 2

VCC2

FOCUS, TRACKING power supply

14.5

V

Pd max1

Independent IC

0.8

W

Allowable power dissipation

Pd max2

Mounted on a specified board. *

1.7

W

* Mounted on a board : 114.3

×76.1×1.6mm

Continued on next page.

Monolithic Linear IC

5ch driver for CD and DVD Spindle driver :

3-phase linear sensor-less drive BTL 4ch

Ordering number : EN7816B