mlx90401 Melexis Company, mlx90401 Datasheet - Page 2

• Manufacturer Part Number: mlx90401
• Description: Brushless Dc Motor Controller Not For New Designs!
• Manufacturer: Melexis Company

Table of content
1 Pin configuration ..........................................................................................................1
2 General description ......................................................................................................1
3 Glossary of terms .........................................................................................................3
4 Pin definitions and description....................................................................................3
5 Absolute maximum ratings ..........................................................................................4
6 MLX90401 electrical specifications .............................................................................4
7 General description ......................................................................................................5
8 Application information..............................................................................................10
9 FAQ ..............................................................................................................................11
10 Reliability Information ..............................................................................................11
11 ESD Precautions .......................................................................................................12
12 FAQ ............................................................................................................................12
13 Package Information.................................................................................................12
14 Disclaimer..................................................................................................................13
3901090401
Rev 005
7.1 Overview .............................................................................................................................................. 5
7.2 Block diagram ...................................................................................................................................... 6
7.3 Commutation decoding and output control logic.................................................................................. 7
7.4 Oscillator .............................................................................................................................................. 7
7.5 Disable ................................................................................................................................................. 7
7.6 Pulse width modulation ........................................................................................................................ 8
7.7 Drive outputs ........................................................................................................................................ 8
7.8 Undervoltage lockout ........................................................................................................................... 9
7.9 Logic table ............................................................................................................................................ 9
8.1 Evaluation Board................................................................................................................................ 10
8.2 Typical application.............................................................................................................................. 10
9.1 Bootstrap capacitor selection ............................................................................................................. 11
9.2 Motor Noise ........................................................................................................................................ 11
Page 2 of 13
Brushless DC Motor Controller
MLX90401
Data sheet
Oct/05