la6581t Sanyo Semiconductor Corporation, la6581t Datasheet

la6581t

Manufacturer Part Number

la6581t

Description

Fan Motor Driver Btl Driver Single-phase Full-wave

Manufacturer

Sanyo Semiconductor Corporation

Datasheet

1.LA6581T.pdf (4 pages)

Available stocks

Company

Part Number

Manufacturer

Quantity

Price

Company:

Bonase Electronics (HK) Co., Limited

Part Number:

la6581t-TE-L

Manufacturer:

NUMONYX

Quantity:

3 200

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Ordering number : EN7192A

LA6581T

Overview

Functions

Specifications

Absolute Maximum Ratings at Ta = 25°C

Note *: Mounted on a board (20.0×10.1×0.8mm

Output voltage

Allowable dissipation

Output current

Output withstand voltage

The LA6581T is a low-saturation BTL output linear driving motor driver for single-phase bipolar fan motors. It features

quite, low power, high efficiency drive that suppresses reactive current. It is optimal for use in applications that require

miniaturization and low noise, such as CPU cooling fan motors and 5 to 12V electronic game products.

• Single-phase full-wave linear drive with BTL output (gain resistance 500-284k, 55dB) : Suitable for the equipment

• Low-voltage operation possible, with wide operable voltage range (3 to 16V)

• Low saturation output (Upper + lower saturation voltage : V O sat (total) = 0.3V typ, I O = 100mA) : High coil efficiency

• High impedance of Hall input pin

• FG output (rotation speed detection output : open collector output)

• Heat protection circuit : When the large current flows because of output short-circuit, raising the IC chip temperature

• Ultraminiature package (MSOP8: 3.0×4.0×0.93mm

requiring silent operation, such as game equipment, CPU cooler, etc. because of its freedom from switching noise.

with low current drain. IC itself does not generate much heat.

above 180°C, the heat protection circuit suppresses the drive current, preventing IC burn and breakdown.

Parameter

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

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

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.

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.

s products or equipment. To verify symptoms and states that cannot be evaluated in an independent

V OUT max

I OUT max

V CC max

Pd max

Symbol

: Paper Phenol, wiring density 20%)

Monolithic Linear IC

Fan Motor Driver

BTL Driver Single-Phase Full-Wave

Mounted on a specified board*1

V CC 2 pin

Pins UL, VL, WL, UH, VH, WH

typ) : Small substrate while allowing larger blades.

Conditions

60607 MS IM B8-5218 / N2502AS (OT) No.7192-1/4

Ratings

s products or

Continued on next page.

0.30

400

Unit

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la6581t Summary of contents

Page 1

... LA6581T Overview The LA6581T is a low-saturation BTL output linear driving motor driver for single-phase bipolar fan motors. It features quite, low power, high efficiency drive that suppresses reactive current optimal for use in applications that require miniaturization and low noise, such as CPU cooling fan motors and 5 to 12V electronic game products. ...

Page 2

... SANYO : MSOP8(150mil) Truth Table IN- IN+ OUT1 OUT2 off LA6581T Symbol Conditions V FG max I FG max Topr Tstg Conditions Conditions 5.8V 6.0V ∞ 100mA 100mA RH = 360Ω+91Ω 3mA Design guarantee 500 Specified board 400 ...

Page 3

... Pin Assignment LA6581T IN – OUT1 Top View Block Diagram V CC 2.0VRG – GND Timing Chart LA6581T OUT2 GND OUT1 OUT2 FG Hall Signal OUTPUT Coil Current FG Pulse No.7192-3/4 ...

Page 4

... SANYO Semiconductor Co.,Ltd. shall not be liable for any claim or suits with regard to a third party's intellctual property rights which has resulted from the use of the technical information and products mentioned above. This catalog provides information as of June, 2007. Specifications and information herein are subject to change without notice. LA6581T LA6581T IN – GND ...

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