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AT78C7015 - Spindle/VCM Motor Controller/Drivers

Description

The AT78C7015 is a CMOS monolithic device that integrates Spindle and VCM controllers as well as power stages into one chip.

The device operates from 3.3V power supply.

The AT78C7015 is designed for a small-form-factor hard disk drive application.

Features

  • Operates from Single Supply: 3.3V Small Footprint 64-Pin TQFP Package or Flip Chip Precision Low-voltage Monitor Circuitry for the Power Supply Master Power on Reset Serial Port Interface with Read-back Capability Over-temperature Protection/Warning Shock Sensor Signal Processing On-chip 1.8V, 2.5V and -3V Regulators Low Power Consumption, 9 mA in Normal Run Mode Spindle Driver.
  • Commutato.

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www.DataSheet4U.com Features • • • • • • • • • • Operates from Single Supply: 3.3V Small Footprint 64-Pin TQFP Package or Flip Chip Precision Low-voltage Monitor Circuitry for the Power Supply Master Power on Reset Serial Port Interface with Read-back Capability Over-temperature Protection/Warning Shock Sensor Signal Processing On-chip 1.8V, 2.5V and -3V Regulators Low Power Consumption, 9 mA in Normal Run Mode Spindle Driver – Commutator is Driven by a FLL for High Immunity to Jitter – Programmable 10-bit DAC – Adjustable Slew Rate Control – External Startup Capability – 0.4A Current Capability with Ron = 1.4Ω – Digital Commutation Delay and Blanking – Programmable Delay from BEMF Zero Crossing – External INDEX Signal for Spin Lock – Active Spindle Braking Capability • VCM Driver – 0.
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