Kabushiki Kaisha Toshiba

Hiroshi Okamura

Hiromi Sakata

Seishiro Fujiwara

According to one embodiment, a disk drive apparatus includes a disk having a plurality of tracks formed of approximately concentric patterns, a head slider reading and writing data from and to the disk, a motor driver configured to move the head slider to a target position on the disk, an electronic circuit configured to transfer the data to and from a host computer, and a power source configured to provide power to the electronic circuit based upon a position of the head slider.

Disk drive apparatus, electronic circuit for disk drive apparatus and powering method therefor

A main controller controls the current in an overshoot part included in the write current supplied from a write driver to a head in accordance with write data via an overshoot controller in accordance with the temperature detected by a temperature sensor.

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Sunnyvale, CA, United States of America

Hiroshi Okamura