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TDA5147CH

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

Preliminary specification

TDA5147CH

SYMBOL

PARAMETER

CONDITIONS

MIN.

Power monitor comparators; pins POR5VADJ and POR12VADJ

Vt12

threshold voltage level

8.7

adjustment for +12 V

Vt5

threshold voltage level

4.4

adjustment for +5 V

HV5

hysteresis on VCC5

comparator

hysteresis in positive direction. 30

HV12

hysteresis on VCCA12

comparator

hysteresis in positive direction. 120

V12adj

V5adj

Power-on reset 12 V

adjustable voltage

Power-on reset 5 V

adjustable voltage

normal power supply to

3.25

resistor divider 25.4 kΩ and

9.7 kΩ

normal power supply to

2.74

resistor divider 7.86 kΩ and

10 kΩ

Power-on reset generator; pins CPOR and PORN

VOL

LOW level input voltage IOL = 2 mA; VCC = 5 or 12 V −

(below threshold voltage)

VOH

HIGH level input voltage VCC = 5 or 12 V

4.85

(above hysteresis voltage)

ICPOR

source current for charging

8.2

capacitor

VCPOR

threshold voltage

−

tdPORN

Power-on reset delay

capacitance = 220 nF

−

tRPULSE power supply maximum

see Fig.7

−

pulse duration

Thermal protection

TSOFF

switch-off junction

temperature

∆T

thermal hysteresis

Thermal warning; pin TEMP

Twarn

warning temperature

VOL

output voltage

IIH

leakage current when

output collector is ‘off’

150

−

gives a warning 15 °C before −

TSOFF

IOut = 500 µA

−

VOut = 5 V

10

TYP.

MAX.

9.0

9.3

4.5

4.6

70

110

200

280

3.32

3.39

2.8

2.86

−

0.5

−

−

12

15.3

2.5

−

45

−

2.5

5.0

−

164

30

−

TSOFF − 15 −

−

1.2

−

−

UNIT

V

V

mV

mV

V

V

V

V

V

ms

µs

°C

°C

°C

V

µA

1997 Jul 09

18

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