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TDA5144T Datasheet(PDF) 7 Page - NXP Semiconductors

Part No. TDA5144T
Description  Brushless DC motor drive circuit
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Maker  PHILIPS [NXP Semiconductors]
Homepage  http://www.nxp.com
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 7 page
background image
June 1994
7
Philips Semiconductors
Product specification
Brushless DC motor drive circuit
TDA5144
CHARACTERISTICS
VP = 14.5 V; Tamb =25 °C; unless otherwise specified.
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
Supply
VP
supply voltage
note 1
4
18
V
IP
supply current
note 2
6.3
7.2
mA
VVMOT
input voltage to the output driver
stages
see Fig.1
1.7
16
V
Thermal protection
TSD
local temperature at temperature
sensor causing shut-down
130
140
150
°C
∆T
reduction in temperature before
switch-on
after shut-down
TSD − 30 −
K
MOT0; centre tap
VI
input voltage
−0.5
VVMOT
V
II
input bias current
0.5 V
< VI < VVMOT − 1.5 V −10
0
µA
VCSW
comparator switching level
note 3
±20
±25
±30
mV
∆VCSW
variation in comparator switching
levels
−3
0
+3
mV
Vhys
comparator input hysteresis
75
−µV
MOT1, MOT2 and MOT3
VDO
drop-out output voltage
IO = 100 mA
0.9
1.05
V
IO = 1000 mA
1.6
1.85
V
∆V
OL
variation in saturation voltage
between lower transistors
IO = 100 mA
−−
180
mV
∆VOH
variation in saturation voltage
between upper transistors
IO = −100 mA
−−
180
mV
ILIM
current limiting
VVMOT = 10 V; RO = 1.2 Ω 1.8
2.0
2.5
A
tr
rise time switching output
VVMOT = 15 V; see Fig.6
5
10
15
µs
tf
fall time switching output
VVMOT = 15 V; see Fig.6
10
15
20
µs
VDHF
diode forward voltage (diode DH)IO = −500 mA;
notes 4 and 5; see Fig.1
−−
1.5
V
VDLF
diode forward voltage (diode DL)IO = 500 mA;
notes 4 and 5; see Fig.1
−1.5
−−
V
IDM
peak diode current
note 5
−−
2.5
A
+AMP IN and
−AMP IN
VI
input voltage
−0.3
VP − 1.7 V
differential mode voltage without
‘latch-up’
−−±V
P
V
Ib
input bias current
−−
650
nA
CI
input capacitance
4
pF
Voffset
input offset voltage
−−
10
mV




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