LB1693 Sanyo Semiconductor Corporation, LB1693 Datasheet

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LB1693

Manufacturer Part Number
LB1693
Description
3-phase brushless motor driver
Manufacturer
Sanyo Semiconductor Corporation
Datasheet

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
LB1693-S
Manufacturer:
Agilent
Quantity:
6
Overview
The LB1693 is a driver IC for 3-phase brushless motors.
It is ideally suited for office automation equipment and
DC fan motors.
Features
Specifications
Absolute Maximum Ratings at Ta = 25˚C
Allowable Operating Conditions at Ta = 25˚C
Ordering number:EN3295
• 3-Phase brushless motor driver.
• 45V withstand voltage and 2.5A output current.
• PWM switch regulator control section.
• Current limitter.
• Overvoltage and overcurrent protection circuit.
• Thermal shutdown cirucit.
• Hall amp with hysteresis characteristic.
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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
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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
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Package Dimensions
unit:mm
3037A-DIP20H
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83198HA (KT)/4250TA, TS(GTPS) No.3295-1/9
[LB1693]
Monolithic Digital IC
SANYO : DIP20H
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LB1693
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Related parts for LB1693

LB1693 Summary of contents

Page 1

... Ordering number:EN3295 Overview The LB1693 is a driver IC for 3-phase brushless motors ideally suited for office automation equipment and DC fan motors. Features • 3-Phase brushless motor driver. • 45V withstand voltage and 2.5A output current. • PWM switch regulator control section. • Current limitter. ...

Page 2

... Electrical Characteristics 25˚ LB1693 =V =24V µ – mV/˚ µ – – – %/˚ µ µ ˚ ˚ No.3295-2/9 ...

Page 3

... Pin Assignment Pin Description – – – LB1693 – > – ” > – > No.3295-3/9 ...

Page 4

... Truth Table Block Diagram and Peripheral Circuit Diagram PWM control (1) LB1693 No.3295-4/9 ...

Page 5

... PWM control (2) LB1693 No.3295-5/9 ...

Page 6

... V =V =5V PMW control CC H LB1693 No.3295-6/9 ...

Page 7

... Figure 1 shows the oscillation circuit that generates the triangular waves. The oscillation frequency for this circuit is detemined by the following equation (with (Hz ~0.56CR (charging ~1.34CR (discharging the internal resistance of 1. actual applications, R >> variation in the IC’s internal resistance. LB1693 =7V typ.) H approx.) is used to suppress the influence Figure 1 Oscillation Circuit No.3295-7/9 ...

Page 8

... Thermal shutdown circuit If the junction temperature rises above the regulated temperature, just as in 5-1, PMW output is inhibited and the sink output driver is switched off. LB1693 , the OSC output is off.) CR(H) Figure 2 Comparator Circuit =V =5V and operate the internal logic at 5V ...

Page 9

... SANYO believes information herein is accurate and reliable, but no guarantees are made or implied regarding its use or any infringements of intellectual property rights or other rights of third parties. This catalog provides information as of August, 1998. Specifications and information herein are subject to change without notice. LB1693 voltage for the V power supply votlage H M ...

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