TDA5147K データシートの表示（PDF） - Philips Electronics

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TDA5147K

12 V Voice Coil Motor (VCM) driver and spindle motor drive combination chip

Philips Electronics 

Philips Semiconductors

12 V Voice Coil Motor (VCM) driver and

spindle motor drive combination chip

BLOCK DIAGRAMS

Product specification

TDA5147K

handbook, full pagewidth

DIGITAL

CIRCUIT

POR

TDA5147K

POWER-ON RESET

VPCNTL

VIPWMH

VIPWML

VISENS2

SCNTL1 to 3

SENU, SENV, SENWIS

SIPWM

PARK

VOICE COIL

MOTOR DRIVE

SPINDLE

ACTUATORS

MBH018

Overview

No external power drivers; dynamic braking for non-power down situations; 1 A spindle current; 0.8 A VCM power driver; full-wave spindle mode,

POR monitors for both 5 and 12 V supplies; auto-park in the event of power-down.

Fig.1 System block diagram.

1996 Jul 26

3

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