Diodes AM4967 Manuel d'utilisateur

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ADJUSTABLE-SPEED SINGLE-PHASE FULL-WAVE PRE-DRIVER FOR MOTOR AM4967
Data Sheet
1
Oct. 2008 Rev. 1. 2 BCD Semiconductor Manufacturing Limited
General Description
The AM4967 is a single-coil, single-phase motor pre-
driver designed by bipolar process. Its rotation speed
can be controlled through an external PWM. This IC
requires few external components and has the merit of
high efficiency which make it suitable for use in great
air volume, large current and high voltage applications.
The AM4967 is available in SSOP-16 package.
Features
· Single-phase Full-wave Pre-drive
· Rotation Speed Control via External PWM
· Maximum Operating Current Limit
· Linear Start Function for Reducing Large Current
Impulse at the Moment of Turn-on
· Minimum Rotation Speed Setting
· Lock Protection and Auto Start Function
· Rotation Speed Indication
· Over Temperature Protection
Application
· CPU and OA (Office Automation) Cooler Fan
· Brushless DC Motor
Figure 1. Package Type of AM4967
SSOP-16
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Résumé du contenu

Page 1 - Application

ADJUSTABLE-SPEED SINGLE-PHASE FULL-WAVE PRE-DRIVER FOR MOTOR AM4967 Data Sheet1Oct. 2008 Rev. 1. 2 BCD Semiconductor Manuf

Page 2 - Pin Configuration

ADJUSTABLE-SPEED SINGLE-PHASE FULL-WAVE PRE-DRIVER FOR MOTOR AM4967 Data Sheet10Oct. 2008 Rev. 1. 2 BCD Semiconductor Manu

Page 3 - Pin Description

ADJUSTABLE-SPEED SINGLE-PHASE FULL-WAVE PRE-DRIVER FOR MOTOR AM4967 Data Sheet11Oct. 2008 Rev. 1. 2 BCD Semiconductor Manu

Page 4 - Functional Block Diagram

ADJUSTABLE-SPEED SINGLE-PHASE FULL-WAVE PRE-DRIVER FOR MOTOR AM4967 Data Sheet12Oct. 2008 Rev. 1. 2 BCD Semiconductor Manu

Page 5

13BCD Semiconductor Manufacturing LimitedADJUSTABLE-SPEED SINGLE-PHASE FULL-WAVE PRE-DRIVER FOR MOTOR AM4967Oct. 2008 Rev. 1. 2

Page 6 - ×76.1mm×1.6mm, glass epoxy)

ADJUSTABLE-SPEED SINGLE-PHASE FULL-WAVE PRE-DRIVER FOR MOTOR AM4967 Data Sheet14Oct. 2008 Rev. 1. 2 BCD Semiconductor Manu

Page 7 - Electrical Characteristics

IMPORTANT NOTICE BCD Semiconductor Manufacturing Limited reserves the

Page 8 - Ambient Temperature (

ADJUSTABLE-SPEED SINGLE-PHASE FULL-WAVE PRE-DRIVER FOR MOTOR AM4967 Data Sheet2Oct. 2008 Rev. 1. 2 BCD Semiconductor Manuf

Page 9 - Oct. 2008 Rev. 1. 2

3BCD Semiconductor Manufacturing LimitedADJUSTABLE-SPEED SINGLE-PHASE FULL-WAVE PRE-DRIVER FOR MOTOR AM4967Oct. 2008 Rev. 1. 2

Page 10 - VPWM Voltage

ADJUSTABLE-SPEED SINGLE-PHASE FULL-WAVE PRE-DRIVER FOR MOTOR AM4967 Data Sheet4Oct. 2008 Rev. 1. 2 BCD Semiconductor Manuf

Page 11 - VMIN Voltage, Note 4)

5BCD Semiconductor Manufacturing LimitedADJUSTABLE-SPEED SINGLE-PHASE FULL-WAVE PRE-DRIVER FOR MOTOR AM4967Oct. 2008 Rev. 1. 2

Page 12 - High Level Low Level

ADJUSTABLE-SPEED SINGLE-PHASE FULL-WAVE PRE-DRIVER FOR MOTOR AM4967 Data Sheet6Oct. 2008 Rev. 1. 2 BCD Semiconductor Manuf

Page 13 - Typical Application

7BCD Semiconductor Manufacturing LimitedADJUSTABLE-SPEED SINGLE-PHASE FULL-WAVE PRE-DRIVER FOR MOTOR AM4967Oct. 2008 Rev. 1. 2

Page 14 - SSOP-16 Unit: mm(inch)

ADJUSTABLE-SPEED SINGLE-PHASE FULL-WAVE PRE-DRIVER FOR MOTOR AM4967 Data Sheet8Oct. 2008 Rev. 1. 2 BCD Semiconductor Manuf

Page 15

9BCD Semiconductor Manufacturing LimitedADJUSTABLE-SPEED SINGLE-PHASE FULL-WAVE PRE-DRIVER FOR MOTOR AM4967Oct. 2008 Rev. 1. 2

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