TLE42794_14 Datasheet, PDF (22/32 Pages) Infineon Technologies AG – Very low Current Consumption

TLE42794
Block Description and Electrical Characteristics
5.8
Early Warning Function
The additional sense comparator provides an early warning function: Any voltage (e.g. the input voltage) can be
monitored, an undervoltage condition is indicated by setting the comparator’s output to low.
Sense
Input
Voltage
V_{SI, High}
V_{SI, Low}
t
Sense
Output
High
Low
t
AED03049
Figure 8 Sense Timing Diagram
Table 7 Electrical Characteristics Early Warning Function
V_I = 13.5 V, -40 °C ≤ T_j ≤ 150 °C, all voltages with respect to ground, positive current flowing into pin
(unless otherwise specified)
Parameter
Symbol
Values
Unit Note / Test Condition Number
Min. Typ. Max.
Sense Comparator Input
Sense Threshold High
V_SI,high 1.24 1.31 1.38 V
–
Sense Threshold Low
V_SI,low
1.16 1.22 1.28 V
–
Sense Switching Hysteresis V_SI,hy
20 90
160 mV –
Sense Input Current
I_SI
-1 -0.1 1
µA –
P_5.8.1
P_5.8.2
P_5.8.3
P_5.8.4
Data Sheet
22
Rev. 1.2, 2014-07-03