TLE7186F Datasheet, PDF (35/39 Pages) Infineon Technologies AG – System IC for B6 motor drives

TLE7186F
Phase voltage feedback
10
Phase voltage feedback
The TLE7186F incorporates a fast conversion of the phase voltages into logic signals. The threshold values are proportional
to V_DH. The outputs are 5V push pull stages. When they are not used they can be left open.
5V
-
X_fb
+
SHx
VDH
Voltage feed back 3x
Figure 14 Block diagram phase voltage feedback
10.1
Electrical Characteristics
Electrical Characteristics - Phase Voltage Feedback
V_S = 7 to 20V, T_j = -40 °C to +150 °C, F_PWM < 25kHz, C_LOAD<25pF, all voltages with respect to ground, positive current
flowing into pin (unless otherwise specified)
Pos. Parameter
Symbol
Limit Values
Unit Conditions
10.1.1 Low level threshold
V_ILfb
10.1.2 High level threshold
V_IHfb
10.1.3 Threshold difference
d_VIxfb
10.1.4
10.1.5
10.1.6
High level output voltage of x_fb
Low level output voltage of x_fb
Propagation delay time incl. rise or fall
time
V_OHfb
V_OLfb
t_PDfb
10.1.7 Matching of propagation delay time
t_dPDfb
1) Not subjected to production test; specified by design
Min.
44.7
46.8
–
4.0
-0.1
–
–
Typ.
48.75
51.0
2.25
–
–
–
Max.
52.8
55.2
–
5.2
0.2
250
% of
VDH
% of
VDH
% of
VDH
V
V
ns
VDH>7V
V_SHX decreasing¹⁾
VDH>7V
V_SHX decreasing¹⁾
VDH>7V
V_SHX decreasing
I= -40uA
I= 40uA
C_LOAD<25pF
–
100
ns
Data Sheet
35
Rev. 1.2, 2016-01-28