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參數(shù)資料
| 型號： | TDA5149G |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 運動控制電子 |
| 英文描述： | 12 V Voice Coil Motor VCM driver and spindle motor pre-driver combination chip |
| 中文描述： | DISK DRIVE MOTOR CONTROLLER, 2.5 A, PQFP64 |
| 封裝： | 10 X 10 X 1.40 MM, PLASTIC, LQFP-64 |
| 文件頁數(shù)： | 17/28頁 |
| 文件大?。?/td> | 148K |
| 代理商： | TDA5149G |
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1996 May 06
17
Philips Semiconductors
Product specification
12 V Voice Coil Motor (VCM) driver and
spindle motor pre-driver combination chip
TDA5149G
VCM
REFERENCE
:
PIN
46 (VCM
ref
)
I
i
input current
V
VCMref
= 2 V; note 3
250
+60
μ
A
Spindle: pre-drivers
C
HARGE PUMP
:
PIN
1 (CAPY)
V
CP
V
ripple(p-p)
charge pump DC voltage
voltage ripple
(peak-to-peak value)
I
CAPY
< 1 mA
I
CAPY
= 1 mA
18.5
19.3
19.8
0.8
V
V
B
ACK
EMF
COMPARATORS
:
PINS
2, 4, 7
AND
10 (MOT0, MOT1, MOT2
AND
MOT3)
V
iCM
I
bias
V
SWhys
common mode input voltage
input bias current
switching level for hysteresis
note 4
MOT0
for negative transition
with respect to MOT0
for positive transition
with respect to MOT0
0.7
10
13
V
DD
+ 0.7
0
7
V
μ
A
mV
7
13
mV
V
CSW
variation in comparator
switching levels for one IC
input voltage hysteresis
4.2
+4.2
mV
V
i(hys)
S
PINDLE LOWER PRE
-
DRIVERS
:
PINS
5, 8
AND
11 (L1, L2
AND
L3)
0.5
mV
V
OH
I
source
I
sink
SR
HIGH level output voltage
output source current
output sink current
slew rate
I
OH
=
0.5 mA
R
IDRIVE
= 120 k
; note 5
0.9
7.2
8.0
0.7
1.6
10
8.8
0.5
2.0
V
mA
mA
V/
μ
s
1.2
R
IDRIVE
= 120 k
; note 6
S
PINDLE UPPER PRE
-
DRIVERS
:
PINS
3, 6
AND
9 (H1, H2
AND
H3)
V
OH
I
source
I
sink
SR
HIGH level output voltage
output source current
output sink current
slew rate
I
OH
=
0.5 mA
R
IDRIVE
= 120 k
; note 7
1.3
18.0
18.8
1.0
1.75
10
19.6
0.7
2.2
V
mA
mA
V/
μ
s
1.3
R
IDRIVE
= 120 k
; note 6
H0:
PIN
45
V
o
O
UTPUT CURRENT ADJUSTMENT
:
PIN
12 (IDRIVE)
output voltage
normal condition
18.3
18.8
20
V
I
refSP
spindle pre-driver reference
current
R
IDRIVE
= 120 k
; note 7 20.6
21.4
22.2
μ
A
Spindle: PWM
S
PINDLE SENSE AMPLIFIER
:
PINS
13
AND
14 (SPINSENSEH
AND
SPINSENSEL)
V
i
differential input voltage
I
sense+
positive input sense current
0
60
51
1.84
42
V
μ
A
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
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