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L7208 Datasheet Portable consumer electronics spindle and VCM motor controller

Manufacturer: STMicroelectronics

General Description

VCM driver ■ ■ ■ ■ 0.5A peak current drive capability Integrated power driver devices 14 Bit linear DAC for current command Ramp load/unload and emergency retract support L7208 is available in an ultra-thin package and is optimized for 1.8 inch and sub-1.8 inch consumer equipment drives.

Other functions ■ ■ ■ ■ ■ Integrated positive and negative switching regulators Shock detect circuitry 10-bit ADC POR on reset with integrated delay O Order code Part number L7208 bs Free fall interface t e l o r P e u d o ) s ( ct o s b O - The spindle motor driver subsystem integrates all power FETs driven by ST's Smooth Drive® commutation technology.

The voice coil driver block includes the power FETs, emergency retract function as well as ramp load and unload capability.

Overview

L7208 Portable consumer electronics spindle and VCM motor controller Data Brief.

Key Features

  • Register Based Architecture 3 wire serial port up to 50MHz Ultra-thin package www. DataSheet4U. com.
  • Spindle driver 0.5A peak current drive capability Integrated power driver devices ST Smooth Drive® architecture Current sense with zero external components Inductive sense start-up support UFLGA.