SP30 Datasheet, PDF (7/14 Pages) Infineon Technologies AG – Tire Pressure Monitoring Sensor SP30

Datasheet
Tire Pressure Monitoring Sensor SP30
TS
Rev.
Page
of
1085
5
7
14
2.2 Current consumption
Table 8 Current consumption
PARAMETER
Power down current
Power down current
IDLE current
IDLE current
RUN current
RUN current
Pressure measurement
SPECIFICATION
Min Typ Max Unit
0.4 0.6
µA
13 20
µA
30 50
µA
50 75
µA
0.53 0.8 mA
0.65 1.0 mA
4 12 µAs
Acceleration measurement
6 16 µAs
Temperature measurement
Supply voltage measurement
Peak current
0.9 2.5 µAs
0.3 2.5 µAs
1.6 2.5 mA
1 channel LF current
1 channel LF current
2 channel LF current
2 channel LF current
Thermal shutdown current
Thermal shutdown current
2.6 4.6
µA
3.0 6.7
µA
4.5 5.5
µA
6.5 11
µA
18 25
µA
30 50
µA
AMBIENT CONDITIONS
Temp [°C] VDD [V]
25
3.0
125
3.0
25
3.0
125
3.0
25
3.0
125
3.0
-40 to 125 2.1 to 3.6
-40 to 125 2.1 to 3.6
-40 to 125
-40 to 125
25
2.1 to 3.6
2.1 to 3.6
3.0
25
3.0
125
3.0
25
3.0
125
3.0
125
3.0
150
3.0
COMMENTS
11 bit A/D conversion,
excl. temperature meas
12 bit A/D conversion,
excl. temperature meas
10 bit A/D conversion
9 bit A/D conversion
Pressure measurement
and 1 LF channel on,
duration is 1280µs for
11 bit measurement for
the peak current only.
2^nd LF channel is
optional
2^nd LF channel is
optional
2.3 Tmax
ϑ_SHTD represents the temperature at which the Thermal Shut-down function can be enabled and ϑ_REL represents the
temperature at which the Master Reset state is released. The ϑ_SHTD is always higher than ϑ_REL.
Table 9 Trigger temperatures for thermal shutdown
PARAMETER
ϑ_SHTD
ϑ_REL
SPECIFICATION
Min Typ Max Unit
102
123 °C
100
121 °C
AMBIENT CONDITIONS
TEMP [°C] VDD [V]
COMMENTS
-40 to 175 2.1 to 3.6 Thermal shutdown enable
-40 to 175 2.1 to 3.6 Master Reset release
2.4 Vmin
The voltage at which the Vmin-circuit will return a low battery voltage status is specified in Table 10:
Table 10 Vmin specifications
PARAMETER
Min
Vmin
2.0
SPECIFICATION
Typ Max Unit
2.1 2.2
V
AMBIENT CONDITIONS
TEMP [°C] VDD [V]
COMMENTS
-40 to 125 V_THR to 3.6