TDA5147K Datasheet, PDF (3/32 Pages) NXP Semiconductors – 12 V Voice Coil Motor VCM driver and spindle motor drive combination chip

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