TDA5149G Philips Semiconductors, TDA5149G Datasheet - Page 17

• Manufacturer Part Number: TDA5149G
• Description: 12 V Voice Coil Motor VCM driver and spindle motor pre-driver combination chip
• Manufacturer: Philips Semiconductors

Philips Semiconductors
1996 May 06
VCM
I
Spindle: pre-drivers
C
V
V
B
V
I
V
V
S
V
I
I
SR
S
V
I
I
SR
H0:
V
O
I
Spindle: PWM
S
I
i
bias
source
sink
source
sink
refSP
sense+
SYMBOL
V
V
CP
ripple(p-p)
ACK
iCM
SWhys
i(hys)
PINDLE LOWER PRE
OH
PINDLE UPPER PRE
OH
o
PINDLE SENSE AMPLIFIER
12 V Voice Coil Motor (VCM) driver and
spindle motor pre-driver combination chip
HARGE PUMP
UTPUT CURRENT ADJUSTMENT
CSW
i
PIN
REFERENCE
EMF
45
COMPARATORS
input current
charge pump DC voltage
voltage ripple
(peak-to-peak value)
common mode input voltage
input bias current
switching level for hysteresis
variation in comparator
switching levels for one IC
input voltage hysteresis
HIGH level output voltage
output source current
output sink current
slew rate
HIGH level output voltage
output source current
output sink current
slew rate
output voltage
spindle pre-driver reference
current
differential input voltage
positive input sense current
:
PIN
:
PIN
1 (CAPY)
-
-
DRIVERS
DRIVERS
46 (VCM
PARAMETER
:
:
PINS
PINS
:
:
PINS
PINS
:
ref
PIN
13
2, 4, 7
)
3, 6
AND
5, 8
12 (IDRIVE)
AND
AND
14 (SPINSENSEH
AND
10 (MOT0, MOT1, MOT2
9 (H1, H2
11 (L1, L2
V
I
I
note 4
MOT0
for negative transition
with respect to MOT0
for positive transition
with respect to MOT0
I
R
R
I
R
R
normal condition
R
CAPY
CAPY
OH
OH
VCMref
IDRIVE
IDRIVE
IDRIVE
IDRIVE
IDRIVE
= 0.5 mA
= 0.5 mA
CONDITIONS
< 1 mA
= 1 mA
AND
= 2 V; note 3
= 120 k ; note 5
= 120 k ; note 6
= 120 k ; note 7
= 120 k ; note 6
= 120 k ; note 7 20.6
AND
17
H3)
AND
L3)
SPINSENSEL)
AND
18.5
7
7.2
1.2
18.0
1.3
18.3
0
MOT3)
250
0.7
10
13
4.2
0.9
1.3
60
MIN.
19.3
0.5
8.0
1.6
10
18.8
1.75
10
18.8
21.4
TYP.
0.7
1.0
51
+60
19.8
0.8
V
0
13
+4.2
8.8
2.0
19.6
2.2
20
22.2
1.84
7
0.5
0.7
42
Product specification
DD
TDA5149G
MAX.
+ 0.7
V
V
V
mV
mV
mV
mV
V
mA
mA
V/ s
V
mA
mA
V/ s
V
V
UNIT
A
A
A
A