Philips Semiconductors
Product specification
Brushless DC motor drive circuit
TDA5144
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
AMP OUT (open collector)
Isink
Vsat
VO
output sink current
saturation voltage
output voltage
slew rate
40
−
−
mA
II = 40 mA
−
1.5
−
2.1
+18
−
V
−0.5
−
V
SR
Gtr
RL = 330 Ω; CL = 50 pF
60
−
mA/µs
transfer gain
0.3
−
S
FG (open collector)
VOL
LOW level output voltage
IO = 1.6 mA
−
−
−
0.4
V
V
VOH(max)
maximum HIGH level output
voltage
VP
−
tTHL
HIGH-to-LOW transition time
CL = 50 pF; RL = 10 kΩ
−
−
0.5
−
−
µs
ratio of FG frequency and
commutation frequency
1 : 2
δ
duty factor
−
50
−
%
CAP-ST
Isink
output sink current
1.5
−2.5
−
2.0
2.5
−1.5
−
µA
µA
V
Isource
VSWL
VSWH
output source current
−2.0
0.20
2.20
LOW level switching voltage
HIGH level switching voltage
−
−
V
CAP-TI
Isink
output sink current
−
−
−
−
−
−
28
−
−
−
−
−
−
µA
µA
µA
mV
V
Isource
output source current
0.2 V < VCAP-TI < 0.3 V
0.3 V < VCAP-TI < 2.2 V
−57
−5
VSWL
VSWM
VSWH
LOW level switching voltage
MIDDLE level switching voltage
HIGH level switching voltage
50
0.30
2.20
V
CAP-CD
Isink
output sink current
10.6
−5.3
1.85
800
2.3
16.2
−8.1
2.05
875
2.4
22
µA
µA
Isource
output source current
−11
2.25
900
2.55
Isink/Isource ratio of sink to source current
VIL
VIH
LOW level input voltage
HIGH level input voltage
mV
V
CAP-DC
Isink
output sink current
10.1
−20.9
0.9
15.5
−15.5
1.025
875
20.9
−10.1
1.15
900
µA
µA
Isource
output source current
Isink/Isource ratio of sink to source current
VIL
VIH
LOW level input voltage
HIGH level input voltage
800
2.3
mV
V
2.4
2.55
June 1994
8
NXP [ NXP ]
