Diodes AM4961 Manuel d'utilisateur

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SINGLE PHASE FULL WAVE DIRECT PWM MOTOR DRIVER AM4961
Data Sheet
1
May. 2011 Rev. 2. 4 BCD Semiconductor Manufacturing Limited
General Description
The AM4961 is a full wave driver IC with PWM con-
trol function. It is used for single phase motor and is
capable of speed control by changing output duty
cycle.
The AM4961 is available in SSOP-16 and HTSSOP-
14 packages.
Features
· Built-in Hall Bias Circuit
· Built-in PWM Speed Control Circuit
· Built-in Minimal Speed Setup Circuit
· Rotation Speed Indication (FG)
· Rotation or Lock State Indication (RD)
· Built-in Thermal Shutdown Circuit
· Lock Protection
· Output Current Limit
Application
· CPU Cooler Fan in PC
· Brushless DC Motor Driver
Figure 1. Package Types of AM4961
SSOP-16
HTSSOP-14
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Résumé du contenu

Page 1

SINGLE PHASE FULL WAVE DIRECT PWM MOTOR DRIVER AM4961 Data Sheet1May. 2011 Rev. 2. 4 BCD Semiconductor Manufacturing Lim

Page 2 - Pin Configuration

SINGLE PHASE FULL WAVE DIRECT PWM MOTOR DRIVER AM4961 Data Sheet10May. 2011 Rev. 2. 4 BCD Semiconductor Manufacturing Li

Page 3 - Pin Description

Data Sheet11May. 2011 Rev. 2. 4 BCD Semiconductor Manufacturing Limited SINGLE PHASE FULL WAVE DIRECT PWM MOTOR DRIVER

Page 4 - Functional Block Diagram

SINGLE PHASE FULL WAVE DIRECT PWM MOTOR DRIVER AM4961 Data Sheet12May. 2011 Rev. 2. 4 BCD Semiconductor Manufacturing Li

Page 5 - Ordering Information

Data Sheet13May. 2011 Rev. 2. 4 BCD Semiconductor Manufacturing Limited SINGLE PHASE FULL WAVE DIRECT PWM MOTOR DRIVER

Page 6

IMPORTANT NOTICE BCD Semiconductor Manufacturing Limited reserves the

Page 7 - Electrical Characteristics

SINGLE PHASE FULL WAVE DIRECT PWM MOTOR DRIVER AM4961 Data Sheet2May. 2011 Rev. 2. 4 BCD Semiconductor Manufacturing Lim

Page 8

Data Sheet3May. 2011 Rev. 2. 4 BCD Semiconductor Manufacturing Limited SINGLE PHASE FULL WAVE DIRECT PWM MOTOR DRIVER A

Page 9

SINGLE PHASE FULL WAVE DIRECT PWM MOTOR DRIVER AM4961 Data Sheet4May. 2011 Rev. 2. 4 BCD Semiconductor Manufacturing Lim

Page 10 - Operating Diagram

Data Sheet5May. 2011 Rev. 2. 4 BCD Semiconductor Manufacturing Limited SINGLE PHASE FULL WAVE DIRECT PWM MOTOR DRIVER A

Page 11 - Typical Application

SINGLE PHASE FULL WAVE DIRECT PWM MOTOR DRIVER AM4961 Data Sheet6May. 2011 Rev. 2. 4 BCD Semiconductor Manufacturing Lim

Page 12 - SSOP-16 Unit: mm(inch)

Data Sheet7May. 2011 Rev. 2. 4 BCD Semiconductor Manufacturing Limited SINGLE PHASE FULL WAVE DIRECT PWM MOTOR DRIVER A

Page 13 - HTSSOP-14 Unit: mm(inch)

SINGLE PHASE FULL WAVE DIRECT PWM MOTOR DRIVER AM4961 Data Sheet8May. 2011 Rev. 2. 4 BCD Semiconductor Manufacturing Lim

Page 14

Data Sheet9May. 2011 Rev. 2. 4 BCD Semiconductor Manufacturing Limited SINGLE PHASE FULL WAVE DIRECT PWM MOTOR DRIVER A

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