TDA5144 Datasheet, PDF (7/20 Pages) NXP Semiconductors – Brushless DC motor drive circuit

Philips Semiconductors
Brushless DC motor drive circuit
Product specification
TDA5144
CHARACTERISTICS
V_P = 14.5 V; T_amb = 25 °C; unless otherwise specified.
SYMBOL
PARAMETER
CONDITIONS
MIN.
Supply
V_P
supply voltage
note 1
4
I_P
supply current
note 2
−
V_VMOT input voltage to the output driver see Fig.1
1.7
stages
Thermal protection
T_SD
local temperature at temperature
130
sensor causing shut-down
∆T
reduction in temperature before after shut-down
−
switch-on
MOT0; centre tap
V_I
I_I
V_CSW
∆V_CSW
input voltage
input bias current
comparator switching level
variation in comparator switching
levels
V_hys
comparator input hysteresis
MOT1, MOT2 and MOT3
V_DO
drop-out output voltage
∆V_OL
∆V_OH
I_LIM
t_r
t_f
V_DHF
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_H)
V_DLF
diode forward voltage (diode D_L)
I_DM
peak diode current
+AMP IN and −AMP IN
V_I
input voltage
differential mode voltage without
‘latch-up’
I_b
C_I
V_offset
input bias current
input capacitance
input offset voltage
−0.5
0.5 V < V_I < V_VMOT − 1.5 V −10
note 3
±20
−3
−
I_O = 100 mA
−
I_O = 1000 mA
−
I_O = 100 mA
−
I_O = −100 mA
−
V_VMOT = 10 V; R_O = 1.2 Ω
V_VMOT = 15 V; see Fig.6
V_VMOT = 15 V; see Fig.6
I_O = −500 mA;
notes 4 and 5; see Fig.1
I_O = 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
T_SD − 30 −
K
−
V_VMOT 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
−
V_P − 1.7 V
−
±V_P
V
−
650
nA
4
−
pF
−
10
mV
June 1994
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