U6268B Datasheet, PDF (10/14 Pages) TEMIC Semiconductors – Side-Airbag Sensor Dual Interface

6. Electrical Characteristics (Continued)
T_amb = –40°C to +95°C and T_j = –40°C to +150°C,
Operation supply-voltage range V_S = 5.7V to 18V continuously, V_S ≤ 25V for maximum 25 min, V_S ≤ 40V for up to 500 ms.
The current values are based on R = 750Ω, 0%-resistor at OCM1/OCM2 pins.
Parameters
Test Conditions
Symbol
Min. Typ. Max. Unit
I_OUT to CLL rise
t_{Cll_rise}
0.1
Response time to current change
I_OUT to CLL fall
Maximum difference between rise and
t_{Cll_fall}
t_{∆-rise-fall}
0.1
fall time
2
µs
2
µs
1
µs
CLL output switching speed
Current transmission rate
Rise
Fall
t_{CLL_rise}
t_CLL-fall
60
1
µs
1
µs
kHz
Current transmission 3 dB bandwidth
500
kHz
Function ENABLE1, ENABLE2
Enable high-level threshold
Enable low-level threshold
Enable input pull-down current
(to ensure output disabled during
power-off and reset of microcontroller)
V_{Enable_on}
V_{Enable_off}
I_Enable
2
–0.3
10
6.5
V
+0.8
V
100
µA
Power Dissipation
Power dissipation 1
T_j ≥ 125°C
V_S = 18V,
I_OUT1 = 28 mA,
I_OUT2 at overcurrent detection level
or
I_OUT2 = 28 mA,
I_OUT1 at overcurrent detection level
Power dissipation 2
T_j ≥ 125°C
V_S = 18V,
I_OUT1 = I_OUT2 = 28 mA
Selective Overtemperature Protection
P_dis1
P_dis2
1
W
0.75
W
Logic AND connected with overcurrent Switch off
detection
Switch on
(RETURNx, OUTx)
Hysteresis
Temp_off
155
Temp_on
145
Temp_hys
5
165
°C
155
°C
20
°C
Time delay until overtemperature
shut-down
V_S = 25V, T_amb = 125°C
OUT1 = OUT2 = GND
t_del
100
ms
10 U6268B
4808B–AUTO–09/05