ML4411 - Sensorless Spindle Motor Controller

Micro Linear

Datasheet Details

Part number	ML4411
Manufacturer	Micro Linear ↗
File Size	296.51 KB
Description	Sensorless Spindle Motor Controller
Datasheet	ML4411_MicroLinearCorporation.pdf

The ML4411 provides complete commutation for delta or wye wound Brushless DC (BLDC) motors without the need for signals from Hall Effect Sensors.

s s s s s s s Back-EMF commutation provides maximum torque for minimum “spin-up” time for spindle motors Accurate, jitter-free phase locked motor speed feedback output Linear or PWM motor current control Easy microcontroller interface for optimized start-up sequencing and speed control Power fail detect circuit with delayed braking Drives external N-channel FETs and P-channel FETs Back-EMF comparator detects motor rotation after power fail for fast re-lock after brownout.
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Published: May 7, 2005 |