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A8904SLP-T Datasheet PDF - Allegro MicroSystems

Part NameDescriptionManufacturer
A8904SLP-T 3-PHASE BRUSHLESS DC MOTOR CONTROLLER/DRIVER WITH BACK-EMF SENSING Allegro
Allegro MicroSystems Allegro
Other PDF  no available.
A8904SLP-T Datasheet PDF : A8904SLP-T pdf   
A8904SLB image

The A8904SLB and A8904SLP are three-phase brushless dc motor controller/drivers designed for applications where accurate control of high speed motors is required. The three half-bridge outputs are low on-resistance n-channel DMOS devices capable of driving up to 1.2 A. The A8904 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.

Features
Pin-for-pin replacement for A8902CLBA
S„tartup commutation circuitry
„Sensorless commutation circuitry
„Option of external sector data tachometer signal
„Option of external speed control
„Oscillator operation up to 20 MHz
„Programmable overcurrent limit
„Transconductance gain options: 500 mA/V or 250 mA/V
„Programmable watchdog timer
„Directional control
„Serial Port Interface
„TTL-compatible inputs
„System diagnostics data out ported in real time
„Dynamic braking through serial port or external terminal

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