TDA5149 View Datasheet(PDF) - Philips Electronics
Part Name
Description
Manufacturer
TDA5149
Philips Electronics
TDA5149 Datasheet PDF : 28 Pages
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Philips Semiconductors
12 V Voice Coil Motor (VCM) driver and
spindle motor pre-driver combination chip
Product specification
TDA5149G
SYMBOL
PARAMETER
CONDITIONS
MIN.
VCM REFERENCE: PIN 46 (VCMref)
Ii
input current
Spindle: pre-drivers
VVCMref = 2 V; note 3
−250
CHARGE PUMP: PIN 1 (CAPY)
VCP
Vripple(p-p)
charge pump DC voltage
voltage ripple
(peak-to-peak value)
ICAPY < 1 mA
ICAPY = 1 mA
18.5
−
BACK EMF COMPARATORS: PINS 2, 4, 7 AND 10 (MOT0, MOT1, MOT2 AND MOT3)
ViCM
Ibias
VSWhys
common mode input voltage note 4
−0.7
input bias current
MOT0
−10
switching level for hysteresis for negative transition −13
with respect to MOT0
for positive transition 7
with respect to MOT0
∆VCSW
variation in comparator
−4.2
switching levels for one IC
Vi(hys)
input voltage hysteresis
−
SPINDLE LOWER PRE-DRIVERS: PINS 5, 8 AND 11 (L1, L2 AND L3)
VOH
Isource
Isink
SR
HIGH level output voltage
output source current
output sink current
slew rate
IOH = −0.5 mA
7.2
RIDRIVE = 120 kΩ; note 5 −0.9
1.2
RIDRIVE = 120 kΩ; note 6 −
SPINDLE UPPER PRE-DRIVERS: PINS 3, 6 AND 9 (H1, H2 AND H3)
VOH
Isource
Isink
SR
HIGH level output voltage
output source current
output sink current
slew rate
IOH = −0.5 mA
18.0
RIDRIVE = 120 kΩ; note 7 −1.3
1.3
RIDRIVE = 120 kΩ; note 6 −
H0: PIN 45
Vo
output voltage
normal condition
18.3
OUTPUT CURRENT ADJUSTMENT: PIN 12 (IDRIVE)
IrefSP
spindle pre-driver reference
current
RIDRIVE = 120 kΩ; note 7 20.6
Spindle: PWM
SPINDLE SENSE AMPLIFIER: PINS 13 AND 14 (SPINSENSEH AND SPINSENSEL)
∆Vi
differential input voltage
0
Isense+
positive input sense current
−60
TYP.
MAX.
UNIT
−
+60
µA
19.3 19.8
V
−
0.8
V
−
VDD + 0.7 V
−
0
µA
−
−7
mV
−
13
mV
−
+4.2
mV
0.5 −
mV
8.0 8.8
−0.7 −0.5
1.6 2.0
10
−
V
mA
mA
V/µs
18.8 19.6
−1.0 −0.7
1.75 2.2
10
−
V
mA
mA
V/µs
18.8 20
V
21.4 22.2
µA
−
1.84
V
−51 −42
µA
1996 May 06
17
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