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8983 - SPINDLE & VOICE-COIL ACTUATION MANAGER/DRIVER

Datasheet Summary

Features

  • Voice Coil Motor Driver: s Low rDS(on) MOS Outputs s Zero Deadband s Externally Determined Transconductance, with Hi/Lo Configuration Switched via Serial Port s Current Sensing with External Series Sense Resistor s Serial Port Programmable Actuator Retract Circuitry s Retract Circuitry Functional to 1.7 V Spindle BEMF Spindle Motor Controller/Driver: s Low rDS(on) MOS Outputs s Back-EMF Circuitry Eliminates Hall-Effect Sensors s Adaptive Commutation Delay Programmable via Serial Port s Program.

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Datasheet Details

Part number 8983
Manufacturer Allegro MicroSystems
File Size 38.96 KB
Description SPINDLE & VOICE-COIL ACTUATION MANAGER/DRIVER
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Full PDF Text Transcription

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8983 SPINDLE & VOICE-COIL ACTUATION MANAGER/DRIVER 8983 SPINDLE & VOICE-COIL ACTUATION MANAGER/DRIVER The A8983CJT provides for complete spindle and voice coil power electronics for small form-factor HDDs (hard disk drives). The largescale integration and use of advanced DABiC (digital/analog-BiCMOS) merged technologies result in minimum power dissipation, minimum operating voltage, and minimum external components. Data Sheet 26310.10 ABSOLUTE MAXIMUM RATINGS at TA = +25°C Load Supply Voltage, VCC(PWR) ............ 7.0 V Spindle Output Current, IOUT(S) .......... ±1.6 A Voice-Coil Output Current, IOUT(A) ...... ±0.9 A Logic Supply Voltage VCC(D) ................ 6.0 V Operating Temperature Range, TA ......................................
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