參數(shù)資料
型號： TDA5149
廠商： NXP Semiconductors N.V.
英文描述： 12 V Voice Coil Motor VCM driver and spindle motor pre-driver combination chip
中文描述： 12伏氯乙烯音圈電機(jī)驅(qū)動器和主軸電機(jī)預(yù)驅(qū)動芯片組合
文件頁數(shù)： 16/28頁
文件大小： 148K
代理商： TDA5149
1996 May 06
16
Philips Semiconductors
Product specification
12 V Voice Coil Motor (VCM) driver and
spindle motor pre-driver combination chip
TDA5149G
Notes
1.
2.
3.
To guarantee a powerless brake duration of at least 10 s. A low leakage capacitor must be used (<0.1
μ
A).
For a frequency range of 25 to 100 kHz. C
STOSC
= 0.775 (I
ref
/f
PWM
).
For a RESETA/RESETP pulse duration of approximately 100 ms.
CHARACTERISTICS
V
DD
= 12 V; V
DDA
= V
DDD
= 5 V; T
amb
= 25
°
C; unless otherwise specified.
Spindle pre-drivers: pin 12 (IDRIVE)
R
IDRIVE
resistance for pre-driver current
adjustment
32
470
k
Reference current: pin 17 (I
ref
)
R
Iref
resistance for reference current
adjustment
47
470
k
Sawtooth oscillator: pin 24 (STOSC)
C
SO
sawtooth oscillator capacitance
note 2
150
700
pF
Power-on reset: pin 26 (POR
DELAY
)
C
PORDELAY
POR
DELAY
capacitance
note 3
100
nF
Digital inputs for the serial port: pins 58 to 61 (CLOCK, SDATA, SCLOCK and SENABLE)
V
IH
V
IL
HIGH level input voltage
LOW level input voltage
2.4
0.8
V
V
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
Supplies: pins 27, 55 and 54
I
DDA
analog supply current
normal mode
sleep mode
normal mode
sleep mode
normal mode
sleep mode
5.5
1.6
5.5
1.6
12
2.9
7.5
2.0
7.5
2.0
17
4.0
mA
mA
mA
mA
mA
mA
I
DDD
digital supply current
I
DD
general supply current
V
OLTAGE REFERENCE
:
PIN
49 (V
ref(o)
)
V
ref(o)
reference voltage generator
output
I
ref(o)
=
±
1 mA
2.47
2.57
2.67
V
C
URRENT REFERENCE
:
PIN
17 (I
ref(o)
)
I
ref(o)
reference current generator
output
R
ref
= 120 k
; note 1
20.6
21.4
22.2
μ
A
T
EMPERATURE MONITOR
:
PIN
37 (TEMPMON)
V
OLT
output voltage at LOW
temperature
output voltage at HIGH
temperature
T
j
= 25
°
C
2.15
2.17
2.19
V
V
OHT
T
j
= 150
°
C; note 2
3.03
3.055
3.08
V
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
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