Datasheet

Tire Pressure Monitoring Sensor SP30

TS

Rev.

Page

of

1085

5

7

14

2.2

Current consumption

Table 8 Current consumption

SPECIFICATION

AMBIENT CONDITIONS

PARAMETER

Min Typ

Max

Unit

Temp [°C]

VDD [V]

COMMENTS

Power down current

0.4

0.6

µA

25

3.0

Power down current

13

20

µA

125

3.0

IDLE current

30

50

µA

25

3.0

IDLE current

50

75

µA

125

3.0

RUN current

0.53

0.8

mA

25

3.0

RUN current

0.65

1.0

mA

125

3.0

Pressure measurement

4

12

µAs

-40 to 125

2.1 to 3.6

11 bit A/D conversion,

excl. temperature meas

Acceleration measurement

6

16

µAs

-40 to 125

2.1 to 3.6

12 bit A/D conversion,

excl. temperature meas

Temperature measurement

0.9

2.5

µAs

-40 to 125

2.1 to 3.6

10 bit A/D conversion

Supply voltage measurement

0.3

2.5

µAs

-40 to 125

2.1 to 3.6

9 bit A/D conversion

Peak current

1.6

2.5

mA

25

3.0

Pressure measurement

and 1 LF channel on,

duration is 1280µs for

11 bit measurement for

the peak current only.

1 channel LF current

2.6

4.6

µA

25

3.0

1 channel LF current

3.0

6.7

µA

125

3.0

2 channel LF current

4.5

5.5

µA

25

3.0

2

optional

2 channel LF current

6.5

11

µA

125

3.0

2

optional

Thermal shutdown current

18

25

µA

125

3.0

Thermal shutdown current

30

50

µA

150

3.0

2.3

Tmax

temperature at which the Master Reset state is released. The

Table 9 Trigger temperatures for thermal shutdown

SPECIFICATION

AMBIENT CONDITIONS

PARAMETER

Min

Typ

Max

Unit

TEMP [°C]

VDD [V]

COMMENTS

102

123

°C

-40 to 175

2.1 to 3.6

Thermal shutdown enable

100

121

°C

-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

SPECIFICATION

AMBIENT CONDITIONS

PARAMETER

Min

Typ

Max

Unit

TEMP [°C]

VDD [V]

COMMENTS

Vmin

2.0

2.1

2.2

V

-40 to 125