lb1851m Sanyo Semiconductor Corporation, lb1851m Datasheet

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lb1851m

Manufacturer Part Number
lb1851m
Description
3-phase Brushless Motor Driver
Manufacturer
Sanyo Semiconductor Corporation
Datasheet
1.LB1851M.pdf (6 pages)

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Company:
Meier Automation Equipment Co., Limited Meier Automation Equipment Co., Limited
Part Number:
lb1851m-JJ-X
Manufacturer:
SANYO/三洋
Quantity:
20 000
Overview
The LB1851M is a 3-phase brushless motor drive IC
ideally suited for use in VCR capstan motor driver, drum
motor driver, and DAT motor driver applications.
Features
Specifications
Absolute Maximum Ratings at Ta = 25˚C
Absolute Operating Conditions at Ta = 25˚C
Ordering number:EN3659
• 120˚C voltage linear type.
• Less power dissipation because of speed control based
• Torque ripple compensation circuit on chip.
• Small capacitance of external capacitor because of soft
• Thermal shutdown circuit on chip.
• FG amplifier on chip.
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on motor voltage control (suitable for use in portable
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switching method (clip capacitor).
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SANYO Electric Co.,Ltd. Semiconductor Bussiness Headquaters
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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.
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN
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.
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3-Phase Brushless Motor Driver
Package Dimensions
unit:mm
3073A-MFP30S
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73098HA (KT)/9050TA (KOTO) No.3659-1/6
[LB1851M]
Monolithic Digital IC
LB1851M
SANYO : MFP30S
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lb1851m Summary of contents

Page 1

... Ordering number:EN3659 Overview The LB1851M is a 3-phase brushless motor drive IC ideally suited for use in VCR capstan motor driver, drum motor driver, and DAT motor driver applications. Features • 120˚C voltage linear type. • Less power dissipation because of speed control based on motor voltage control (suitable for use in portable sets) ...

Page 2

... Note1 : When standby pin is left open, standby operation is turned to off. Note2*: Values shown are design targets only. No measurements have been taken. Overlap spec. are regarded as test specification. LB1851M 1=5V, V 2=7V ...

Page 3

... Pin Assignment Block Diagram LB1851M No.3659-3/6 ...

Page 4

... Sample Application Circuit Truth Table Input : “H” : Input 1 of each phase potential which is higher by more than 0.2V relative to input 2. Forward/reverse control : “H” :2. LB1851M ...

Page 5

... H : 2.8V min (When V 1=5V 0.8V max 2.0V min LB1851M Unit (resistance : ) Equivalent circuit Power supply pin for fixing the output amplitude. Must be lower than V 2 voltage. CC Power supply pin for amp circuit other than motor driver transistor. Power supply pin for supplying voltage to other than ...

Page 6

... This catalog provides information as of July, 1998. Specifications and information herein are subject to change without notice. LB1851M Unit (resistance : ) Equivalent circuit W phase hall element input pin Logic "H" : Win1>Win2 V phase hall element input pin Logic " ...

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