tda5143t NXP Semiconductors, tda5143t Datasheet - Page 7

• Manufacturer Part Number: tda5143t
• Description: Brushless Dc Motor Drive Circuit
• Manufacturer: NXP Semiconductors

Philips Semiconductors
June 1994
MOT1, MOT2 and MOT3
V
I
t
t
V
V
I
+AMP IN and AMP IN
V
I
C
V
AMP OUT (open collector)
I
V
V
SR
G
FG (open collector)
V
V
t
SYMBOL
LIM
r
f
DM
b
sink
THL
V
V
DO
DHF
DLF
I
offset
sat
O
OL
OH(max)
Brushless DC motor drive circuit
I
tr
OL
OH
drop-out output voltage
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 D
diode forward voltage (diode D
peak diode current
input voltage
differential mode voltage without
‘latch-up’
input bias current
input capacitance
input offset voltage
output sink current
saturation voltage
output voltage
slew rate
transfer gain
LOW level output voltage
maximum HIGH level output voltage
HIGH-to-LOW transition time
ratio of FG frequency and
commutation frequency
duty factor
PARAMETER
H
L
)
)
I
I
I
I
V
V
V
I
notes 4 and 5; see Fig.1
I
notes 4 and 5; see Fig.1
note 5
I
R
I
C
O
O
O
O
O
O
I
O
VMOT
VMOT
VMOT
= 40 mA
L
L
= 100 mA
= 500 mA
= 100 mA
= 100 mA
= 500 mA;
= 500 mA;
= 1.6 mA
= 330 ; C
= 50 pF; R
CONDITIONS
= 10 V; R
= 15 V; see Fig.4
= 15 V; see Fig.4
7
L
L
= 10 k
= 50 pF
O
= 5.9
0.7
7
16
40
0.3
V
1.5
0.3
0.5
P
MIN.
0.93
1.3
0.85
12
23
4
1.5
60
0.5
1 : 2
50
TYP.
Product specification
1.05
1.65
180
180
1.0
17
30
1.5
1
V
650
10
2.1
+18
0.4
TDA5143T
V
P
MAX.
P
1.7
V
V
mV
mV
A
V
V
A
V
V
nA
pF
mV
mA
V
V
mA/ s
S
V
V
%
UNIT
s
s
s