TDA5140A Datasheet, PDF (7/24 Pages) NXP Semiconductors – Brushless DC motor drive circuit

Philips Semiconductors
Brushless DC motor drive circuit
Product specification
TDA5140A
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
130
temperature 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
−0.5
0.5 V < V_I < V_VMOT − 1.5 V −10
note 3
±20
−3
V_hys
comparator input hysteresis
−
MOT1, MOT2 and MOT3
V_DO
drop-out output voltage
I_O = 100 mA
−
I_O = 500 mA
−
∆V_OL
variation in saturation voltage I_O = 100 mA
−
between lower transistors
∆V_OH
variation in saturation voltage I_O = −100 mA
−
between upper transistors
I_LIM
V_DHF
current limiting
V_VMOT = 10 V; R_O = 6.8 Ω 0.7
diode forward voltage (diode D_H) I_O = −500 mA; notes 4
−
and 5; see Fig.1
V_DLF
diode forward voltage (diode D_L) I_O = 500 mA; notes 4 and −1.5
5; see Fig.1
I_DM
peak diode current
note 5
−
+AMP IN and −AMP IN
V_I
input voltage
−0.3
differential mode voltage without
−
'latch-up'
I_b
input bias current
−
C_I
input capacitance
−
V_offset
input offset voltage
−
TYP. MAX. UNIT
−
18
V
3.7
5
mA
−
16
V
140
150
°C
T_SD − 30 −
K
−
V_VMOT V
−
0
µA
±30
±40
mV
0
+3
mV
75
−
µV
0.93
1.05
V
1.65
1.80
V
−
180
mV
−
180
mV
0.8
1
A
−
1.5
V
−
−
V
−
1
A
−
V_P − 1.7 V
−
±V_P
V
−
650
nA
4
−
pF
−
10
mV
April 1994
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