TDA5147K datasheet(13/32 Pages) PHILIPS

13 / 32 page

1996 Jul 26

Philips Semiconductors

Product speciﬁcation

12 V Voice Coil Motor (VCM) driver and

spindle motor drive combination chip

TDA5147K

OPERATING CHARACTERISTICS

VCCA1 =5V; VCCS =VCCA2 =VCCV = 12 V; Tamb = 0 to 70 °C; unless otherwise speciﬁed.

SYMBOL

PARAMETER

CONDITIONS

MIN.

TYP.

MAX.

UNIT

Supplies

VCCA1

analog supply voltage 1

4.5

5.5

VCCS

supply voltage for spindle

motor drivers

10.8

13.2

VCCV

supply voltage for VCM driver

10.8

13.2

VCCA2

analog supply voltage 2

10.8

13.2

Reference voltage; pin 38 (Vref(i))

Vref(i)

reference voltage input

1.75

−

2.75

Upper booster

external output capacitor

connected between

BSTCP1 and BSTCP2

−

CCP

charge pump capacitor

connected between

BSTFLT and ground

−

Spindle low side; pin 15 (SPWMTC)

Csl

capacitor for spindle low side

−

220

−

Rsl

resistor for spindle low side

−

Ω

Capacitors for PARK voltage supply; pins 19 and 51 (SHPWR3 and SHPWR2)

Cclamp

clamp capacitor

−

−µF

Digital PWM input; pin 30 (SIPWM)

VIH

HIGH level input voltage

5.5

VIL

LOW level input voltage

−0.3

Digital inputs of spindle decoder; pins 10, 11 and 14 (SCNTL1, 2 and 3)

VIH

HIGH level input voltage

see Table 1; VCCA1 = 5 V

3.5

−−

3-state level input; pin 3 (SMODE1)

Voh

3-state voltage level for current

sense in non PWM mode

0.75VCCA1

+ 150 mV

−−

ViZ

3-state voltage level for BEMF

sense and PWM switch control

see Table 1; state also

achieved with ﬂoating

input

0.25VCCA1

+ 150 mV

0.50VCCA1

0.75VCCA1

− 150 mV

Vol

3-state voltage level for BEMF

sense and linear control

−−

0.25VCCA1

− 150 mV

Control ampliﬁer; pin 23 (SCOMP)

CSCOMP

control loop capacitor

−

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