TDA5144 Ver la hoja de datos (PDF) - Philips Electronics
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TDA5144 Datasheet PDF : 20 Pages
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Philips Semiconductors
Brushless DC motor drive circuit
Product specification
TDA5144
CHARACTERISTICS
VP = 14.5 V; Tamb = 25 °C; unless otherwise specified.
SYMBOL
PARAMETER
CONDITIONS
MIN.
Supply
VP
supply voltage
note 1
4
IP
supply current
note 2
−
VVMOT input voltage to the output driver see Fig.1
1.7
stages
Thermal protection
TSD
local temperature at temperature
130
sensor causing shut-down
∆T
reduction in temperature before after shut-down
−
switch-on
MOT0; centre tap
VI
II
VCSW
∆VCSW
input voltage
input bias current
comparator switching level
variation in comparator switching
levels
Vhys
comparator input hysteresis
MOT1, MOT2 and MOT3
VDO
drop-out output voltage
∆VOL
∆VOH
ILIM
tr
tf
VDHF
variation in saturation voltage
between lower transistors
variation in saturation voltage
between upper transistors
current limiting
rise time switching output
fall time switching output
diode forward voltage (diode DH)
VDLF
diode forward voltage (diode DL)
IDM
peak diode current
+AMP IN and −AMP IN
VI
input voltage
differential mode voltage without
‘latch-up’
Ib
CI
Voffset
input bias current
input capacitance
input offset voltage
−0.5
0.5 V < VI < VVMOT − 1.5 V −10
note 3
±20
−3
−
IO = 100 mA
−
IO = 1000 mA
−
IO = 100 mA
−
IO = −100 mA
−
VVMOT = 10 V; RO = 1.2 Ω
VVMOT = 15 V; see Fig.6
VVMOT = 15 V; see Fig.6
IO = −500 mA;
notes 4 and 5; see Fig.1
IO = 500 mA;
notes 4 and 5; see Fig.1
note 5
1.8
5
10
−
−1.5
−
−0.3
−
−
−
−
TYP. MAX. UNIT
−
18
V
6.3
7.2
mA
−
16
V
140
150
°C
TSD − 30 −
K
−
VVMOT V
−
0
µA
±25
±30
mV
0
+3
mV
75
−
µV
0.9
1.05
V
1.6
1.85
V
−
180
mV
−
180
mV
2.0
2.5
A
10
15
µs
15
20
µs
−
1.5
V
−
−
V
−
2.5
A
−
VP − 1.7 V
−
±VP
V
−
650
nA
4
−
pF
−
10
mV
June 1994
7
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