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ADJUSTABLE-SPEED SINGLE-PHASE FULL-WAVE PRE-DRIVER FOR MOTOR AM4967

Data Sheet

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

1 2 3 4 5 6 ... 14 15

Podsumowanie treści

Strona 1 - Application

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

Strona 2 - Pin Configuration

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

Strona 3 - Pin Description

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

Strona 4 - Functional Block Diagram

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

Strona 5

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

Strona 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

Strona 7 - Electrical Characteristics

IMPORTANT NOTICE BCD Semiconductor Manufacturing Limited reserves the

Strona 8 - Ambient Temperature (

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

Strona 9 - Oct. 2008 Rev. 1. 2

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

Strona 10 - VPWM Voltage

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

Strona 11 - VMIN Voltage, Note 4)

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

Strona 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

Strona 13 - Typical Application

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

Strona 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

Strona 15

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

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