TDA5146T Datasheet, PDF (8/18 Pages) NXP Semiconductors – Brushless DC motor drive circuit

Philips Semiconductors
Brushless DC motor drive circuit
Product specification
TDA5146T
Symbol
BRAKE
V_IH
V_IL
I_IH
I_IL
FG
V_OL
V_OHmax
t_THL
d
PWM_IN
V_IH
V_IL
I_IH
I_IL
PWMOUT
V_0H
V_OL
I_pwmoutsource
I_pwmoutsink
SR
CAP–ST
I_I
I_O
V_SWL
V_SWM
V_SWH
CAP–TI
I_I
I_OH
I_OL
V_SWL
V_SWM
V_SWH
Parameter
Conditions
Input voltage HIGH in brake mode
Input voltage LOW in normal mode
Input current HIGH
Input current LOW
4V< V_P <18V
4V<V_P<18V
V_I = 2.0 V
V_I = 0.8 V
Output voltage LOW
Maximum output voltage HIGH
Transition time
Ratio of FG frequency and
commutation frequency
Duty factor
I_O =1.6 mA
HIGH–to–LOW
C_L = 50 pF
R_L = 10 kW
High Level Input
Low Level Input
High Level Input Current
Low Level Input Current
PWM Output HIGH
PWM Output LOW
Sourcing capability
sinking capability
PWM Output Slew Rate
4V <V_P < 18V
4V <V_P<18V
V_I =2.0V
V_I =0.8V
PWM IN
<=2.0V
PWM IN
>–0.8V
PWMOUT=
10
9.5V
9V
PWMOUT=1V
Rs=51 W
C1=2nF
Output sink current
Output source current
Lower switching level
Middle switching level
Upper switching level
Output sink current
Output source current HIGH
Lower source current LOW
Lower switching level
Middle switching level
Upper switching level
Min
Typ
2.0
–
–
–
–
–20
–
–20
–
–
V_P
–
–
0.5
–
1:2
–
50
2.0
–
–
–
–3
0
–20
–3
Vsup– –
0.7
–
–
5
15
30
25
–
–
100
Max
–
0.8
–
–
0.4
–
–
–
–
–
0.8
3
–
–
0.7
–
–
1.6
2.1
2.6
–2.6
–2.1
–1.6
–
0.20
–
–
0.30
–
–
2.20
–
–
28
–
–
–57
–
–
–5
–
–
50
–
–
0.30
–
–
2.20
–
Unit
V
V
mA
mA
V
V
mS
%
V
V
mA
mA
V
V
mA
mA
mA
mA
V/ mS
mA
mA
V
V
V
mA
mA
mA
mV
V
V
1994 May 18
8