lb1868m Sanyo Semiconductor Corporation, lb1868m Datasheet

lb1868m

Manufacturer Part Number

lb1868m

Description

Two-phase Brushless Fan Motor Driver

Manufacturer

Sanyo Semiconductor Corporation

Datasheet

1.LB1868M.pdf (5 pages)

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Download datasheet (44Kb)

Overview

The LB1868M is a 2-phase unipolar brushless motor

driver. With only a few peripheral parts, lockup protection

and automatic recovery can be implemented. The IC can

be configured for 12V or 24V operation and a wide range

of variations, from LOW speed to H-High speed and from

60 cm to 120 cm square using the same PCB. This makes

it easy to design highly reliable fan motor installations.

Functions and Features

• Output protection Zener diode with variable withstand

• External resistor allows configuration for 12V or 24V.

• Direct Hall element connection possible (built-in Hall

• Built-in output transistor with 1.0A output current

• Built-in rotation detection function:

• Built-in lockup protection with automatic recovery

• ST pin for motor stop/drive (for standby mode of copiers

• FG output pin for rotation detection

• BC pin for kickback noise reduction (with 2 external

• Built-in thermal shutdown

Ordering number : ENN6203

voltage

Z1, Z2 pins open: V

Z1, Z2 pins shorted: V

External Zener diode connected between Z1 and V

pins: support for fans with large drive current

amplifier with hysteresis supports core without auxiliary

electrode)

(strengthened negative-current support for core without

auxiliary electrode)

Low during rotation and High during stop

etc.)

capacitors)

SANYO assumes no responsibility for equipment failures that result from using products at values that

exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other

parameters) listed in products specifications of any and all SANYO products described or contained

herein.

Any and all SANYO products described or contained herein do not have specifications that can handle

applications that require extremely high levels of reliability, such as life-support systems, aircraft's

control systems, or other applications whose failure can be reasonably expected to result in serious

physical and/or material damage. Consult with your SANYO representative nearest you before using

any SANYO products described or contained herein in such applications.

TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN

OLM

SANYO Electric Co.,Ltd. Semiconductor Company

OLM

= 57V (24V specification)

= 32V (12V specification)

LB1868M

Two-Phase Brushless Fan Motor Driver

Package Dimensions

unit: mm

3111-MFP14S

0.35

8.0

[LB1868M]

1.0 1.0

83100RM(KI)

Monolithic Digital IC

LB1868M

0.15

SANYO : MFP14S

No. 6203-1/5

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lb1868m Summary of contents

Page 1

... Ordering number : ENN6203 Overview The LB1868M is a 2-phase unipolar brushless motor driver. With only a few peripheral parts, lockup protection and automatic recovery can be implemented. The IC can be configured for 12V or 24V operation and a wide range of variations, from LOW speed to H-High speed and from 120 cm square using the same PCB ...

Page 2

... Hall input sensitivity (at zero peak) RD, FG output saturation voltage CT drain current CT discharge current Comp input threshold voltage ST input current Thermal protection circuit operating temperature Thermal protection circuit hysteresis * Design target values are not measured. LB1868M Symbol Conditions I max max ...

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lb1868m Sanyo Semiconductor Corporation, lb1868m Datasheet

lb1868m

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lb1868m Summary of contents

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