TDA5143 查看數據表（PDF） - Philips Electronics
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TDA5143 Datasheet PDF : 20 Pages
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Philips Semiconductors
Brushless DC motor drive circuit
Product specification
TDA5143T
SYMBOL
PARAMETER
CONDITIONS
MIN.
MOT1, MOT2 and MOT3
VDO
drop-out output voltage
IO = 100 mA
−
IO = 500 mA
−
∆VOL
variation in saturation voltage
IO = 100 mA
−
between lower transistors
∆VOH
variation in saturation voltage
IO = −100 mA
−
between upper transistors
ILIM
tr
tf
VDHF
current limiting
rise time switching output
fall time switching output
diode forward voltage (diode DH)
VVMOT = 10 V; RO = 5.9 Ω 0.7
VVMOT = 15 V; see Fig.4 7
VVMOT = 15 V; see Fig.4 16
IO = −500 mA;
−
notes 4 and 5; see Fig.1
VDLF
diode forward voltage (diode DL)
IO = 500 mA;
−1.5
notes 4 and 5; see Fig.1
IDM
peak diode current
note 5
−
+AMP IN and −AMP IN
VI
input voltage
−0.3
differential mode voltage without
−
‘latch-up’
Ib
input bias current
−
CI
input capacitance
−
Voffset
input offset voltage
−
AMP OUT (open collector)
Isink
output sink current
Vsat
saturation voltage
VO
output voltage
SR
slew rate
Gtr
transfer gain
40
II = 40 mA
−
−0.5
RL = 330 Ω; CL = 50 pF −
0.3
FG (open collector)
VOL
LOW level output voltage
IO = 1.6 mA
−
VOH(max) maximum HIGH level output voltage
VP
tTHL
HIGH-to-LOW transition time
CL = 50 pF; RL = 10 kΩ −
ratio of FG frequency and
−
commutation frequency
δ
duty factor
−
TYP.
0.93
1.3
−
−
0.85
12
23
−
−
−
−
−
−
4
−
−
1.5
−
60
−
−
−
0.5
1:2
50
MAX. UNIT
1.05
V
1.65
V
180
mV
180
mV
1.0
A
17
µs
30
µs
1.5
V
−
V
1
A
VP − 1.7 V
±VP
V
650
nA
−
pF
10
mV
−
mA
2.1
V
+18
V
−
mA/µs
−
S
0.4
V
−
V
−
µs
−
−
%
June 1994
7
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