U6268B Datasheet, PDF (8/14 Pages) TEMIC Semiconductors – Side-Airbag Sensor Dual Interface

6. Electrical Characteristics
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.
Outputs disabled, V_S ≤ 18V
I_S
8
Outputs disabled, V_S ≤ 40V
I_S
14
One output enabled, V_S ≤ 18V
I_S
13
Both outputs enabled, V_S ≤ 18V
I_S
18
Supply Current
Output load 2 × 15 mA, V_S ≤ 18V
I_S
56
T_j ≥ 125°C
Output load 2 × 28 mA, V_S ≤ 18V
I_S
90
Output load 2 × 50 mA, V_S ≤ 18V
I_S
146
Output load 2 × 60 mA,
V_S ≤ 18V (T_j > 125°C)
I_S
171
Both channels OUTx and RETURNx
shorted, V_S ≤ 18V
I_S
200
Function SC
Voltage at SC
V_S = 5.7V
Voltage at SC
V_S = 12.5V
Maximal voltage at SC
V_S = 40V
SC-discharge current
Voltage SC = V_SC – 3V
5.7V ≤ V_S ≤ 40V
SC-charge current
Voltage SC = V_SC – 3V
5.7V ≤ V_S ≤ 40V
Function OUT1 and OUT2 (See Figure 3-1 on page 4)
V_SC
5.1
5.3
V_SC
9
9.4
V_SCmax
30
I_{SC_dis}
33
82
I_{SC_ch}
–58
–20
Voltage difference, V_S to V_OUTx
Output voltage OUTx
Maximal voltage at OUTx
Current mirror ratio, I_OCMx/I_OUTx
Linearity of mirror ratio I_OCMx/I_OUTx
Dynamic resistance OUTx
Dynamic resistance
OUTx + RETURNx
OUTx current limitation
(OUTx short to GND)
Overcurrent detection level
I_OUTx = 5 to 50 mA
5.7V ≤ V_S ≤ 8.5V
12V ≤ V_S ≤ 25V
8.5V ≤ V_S ≤ 11.3V
V_S = 40V
V_S ≤ 40V, I_OUTx = 5 to 15 mA
V_S ≤ 25V, I_OUTx = 15 to 50 mA
V_S ≤ 40V, I_OUTx = 15 to 50 mA
V_S ≤ 40V
I_OUT = 15 to 50 mA
V_S ≤ 40V
I_OUT = 15 to 50 mA
V_S ≤ 18V
V_S ≤ 40V
T_j < 125°C
T_j ≥ 125°C
Always valid: current limitation is
higher than overcurrent detection
V_{diff_low}
V_{diff_high}
V_{OUT_med}
V_{OUT_max}
I_{OUT_ratio}
Ratio_lin
R_OUT
R_Dyn
I_{OUT_lim}
I_{OUT_det}
I_{OUT_det}
0.3
2.6
7.7
25
0.09
0.10
0.097
–5
2
4
–80
–105
–70
–60
0.8
3.6
30
0.12
0.11
0.11
5
12
15
–60
–60
–51
–51
Maximum OUTx current
(OUTx short to GND)
V_S = 14V, OCMx shorted to GND
I_{OUT_max}
–140
–85
Unit
mA
mA
mA
mA
mA
mA
mA
mA
mA
V
V
V
µA
µA
V
V
V
V
%
Ω
Ω
mA
mA
mA
mA
mA
8 U6268B
4808B–AUTO–09/05