TDA5149G Philips Semiconductors, TDA5149G Datasheet - Page 16

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TDA5149G

Manufacturer Part Number
TDA5149G
Description
12 V Voice Coil Motor VCM driver and spindle motor pre-driver combination chip
Manufacturer
Philips Semiconductors
Datasheet
Philips Semiconductors
Notes
1. To guarantee a powerless brake duration of at least 10 s. A low leakage capacitor must be used (<0.1 A).
2. For a frequency range of 25 to 100 kHz. C
3. For a RESETA/RESETP pulse duration of approximately 100 ms.
CHARACTERISTICS
V
1996 May 06
Spindle pre-drivers: pin 12 (IDRIVE)
R
Reference current: pin 17 (I
R
Sawtooth oscillator: pin 24 (STOSC)
C
Power-on reset: pin 26 (POR
C
Digital inputs for the serial port: pins 58 to 61 (CLOCK, SDATA, SCLOCK and SENABLE)
V
V
Supplies: pins 27, 55 and 54
I
I
I
V
V
C
I
T
V
V
DD
DDA
DDD
DD
ref(o)
SYMBOL
SYMBOL
EMPERATURE MONITOR
IH
IL
OLTAGE REFERENCE
ref(o)
OLT
OHT
12 V Voice Coil Motor (VCM) driver and
spindle motor pre-driver combination chip
IDRIVE
Iref
SO
PORDELAY
URRENT REFERENCE
= 12 V; V
DDA
resistance for pre-driver current
adjustment
resistance for reference current
adjustment
sawtooth oscillator capacitance
HIGH level input voltage
LOW level input voltage
analog supply current
digital supply current
general supply current
reference voltage generator
output
reference current generator
output
output voltage at LOW
temperature
output voltage at HIGH
temperature
POR
= V
DELAY
:
DDD
:
PIN
PARAMETER
PIN
:
PIN
PARAMETER
= 5 V; T
capacitance
49 (V
17 (I
37 (TEMPMON)
ref
ref(o)
DELAY
ref(o)
)
amb
)
)
)
= 25 C; unless otherwise specified.
STOSC
normal mode
sleep mode
normal mode
sleep mode
normal mode
sleep mode
I
R
T
T
ref(o)
j
j
ref
= 25 C
= 150 C; note 2
= 120 k ; note 1
note 2
note 3
CONDITIONS
= 1 mA
= 0.775 (I
16
CONDITIONS
ref
/f
PWM
).
2.47
20.6
2.15
3.03
MIN.
32
47
150
2.4
MIN.
5.5
1.6
5.5
1.6
12
2.9
2.57
21.4
2.17
3.055
TYP.
100
TYP.
7.5
2.0
7.5
2.0
17
4.0
2.67
22.2
2.19
3.08
Product specification
TDA5149G
MAX.
470
470
700
0.8
MAX.
mA
mA
mA
mA
mA
mA
V
V
V
k
k
pF
nF
V
V
UNIT
A
UNIT

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