Part Number
|
A8905CLB |
Manufacturer
|
Allegro MicroSystems |
Description
|
3-PHASE BRUSHLESS DC MOTOR CONTROLLER/DRIVER WITH BACK-EMF SENSING |
Published
|
Mar 23, 2005 |
Detailed Description
|
8905 3-PHASE BRUSHLESS DC MOTOR CONTROLLER/DRIVER
8905
Data Sheet 26301.3
3-PHASE BRUSHLESS DC MOTOR CONTROLLER/DRIVE...
|
Datasheet
|
A8905CLB
|
Overview
8905 3-PHASE BRUSHLESS DC MOTOR CONTROLLER/DRIVER
8905
Data Sheet 26301.
3
3-PHASE BRUSHLESS DC MOTOR CONTROLLER/DRIVER WITH BACK-EMF SENSING
The A8905CLB isw a three-phase brushless dc motor controller/ driver for use with CD-ROM or DVD drives.
The three half-bridge outputs are low on-resistance n-channel DMOS devices capable of driving up to 1.
25 A.
The A8905CLB provides complete, reliable, self-contained back-EMF sensing motor startup and running algorithms.
A programmable digital frequency-locked loop speed control circuit together with the linear current control circuitry provides precise motor speed regulation.
A serial port allows the user to program various features and modes of op...
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