TDA5149G Philips Semiconductors, TDA5149G Datasheet - Page 21

• 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
Power-on/power-off reset
U
V
V
V
V
R
R
R
R
P
I
V
V
V
R
V
V
Digital control
CLOCK:
f
FG:
V
V
source
RESETP:
RESETA:
clk
SYMBOL
R
R
PORTH5
DDDhys
PORTH12
DDhys
OWER
HT
LT
OL
OH
OL
OH
OL
12 V Voice Coil Motor (VCM) driver and
spindle motor pre-driver combination chip
NDER THRESHOLD COMPARATORS
POR5low
Rup/Rlo
POR12low
Rup/Rlo
pu
POR5low
POR12low
PIN
-
ON
57
PIN
/
PIN
PIN
POWER
58
5 V threshold voltage for
power-on/power-off detection
hysteresis on V
comparator
12 V threshold voltage for
power-on/power-off detection
hysteresis on V
POR5
POR5
temperature variation
POR5
POR12
POR12
temperature variation
POR12
source current
RESET output threshold
voltage
LOW threshold voltage
LOW level output voltage
pull up resistor
HIGH level output voltage
LOW level output voltage
clock frequency
duty factor
HIGH level output voltage
LOW level output voltage
35
34
-
OFF DELAY GENERATOR
ADJ
ADJ
ADJ
ADJ
ADJ
ADJ
PARAMETER
lower resistance
lower resistance
resistance ratio
lower resistance
lower resistance
resistance ratio
DDD
DD
comparator
:
PINS
29
:
PIN
AND
26 (POR
T
over full temperature
range
T
over full temperature
range
note 11
I
over full temperature
range
I
I
I
I
OL
OH
OL
OH
OL
28 (POR12
j
j
= 25 C
= 25 C
= 3 mA
= 3 mA
= 0.10 mA
= 1.5 mA
= 0.15 mA
CONDITIONS
DELAY
21
ADJ
)
AND
POR5
4.30
30
10.25
60
25340
0.715
10560
3.07
2.51
6
V
40
V
ADJ
2.4
DDD
DDD
)
MIN.
0.7
0.7
4.37
55
10.4
95
28800 32260
66
0.725
12000 13440
27
3.11
2.57
10
50
TYP.
2.2
4.50
80
10.75
130
0.735
3.15
2.63
0.4
0.4
14
0.4
12
60
0.4
1.8
Product specification
TDA5149G
MAX.
V
mV
V
mV
V
V
V
k
V
V
MHz
%
V
V
UNIT
A
/ C
/ C