TLE4929C datasheet(8/28 Pages) INFINEON

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Data Sheet

1.10

2018-09-13

TLE4929C Crankshaft Sensor

Fully Programmable Crankshaft Sensor

Digital noise constant of speed

channel during start up (change

in differential field)

DNCmin

0.53 0.75 0.97 mTpk

EEPROM “DNC_MIN”: Option 002)

1.22 1.5

1.78 mTpk

EEPROM “DNC_MIN”: Option 01

2.14 2.5

2.86 mTpk

EEPROM “DNC_MIN”: Option 10

4.44 5

5.56 mTpk

EEPROM “DNC_MIN”: Option 11

Hysteresis Of Switching Threshold

Minimum hysteresis threshold

of speed channel

HYSmin

0.53 0.75 0.97 mTpk

EEPROM “HYST”: Option 02)

1.22 1.5

1.78 mTpk

EEPROM “HYST”: Option 1

Adaptive hysteresis threshold

of speed channel

HYSadaptive –

–

EEPROM “HYST_ADAPT”: Option 0

–

31.25 –

EEPROM “HYST_ADAPT”: Option 1

Switching level offset

SwitchOff

set,Error

-350 –

350

µT

For magnetic speed signal = 10

mTpkpk : resulting in phase error /

duty cycle error.

Accuracy and Repeatability

Repeatability (Jitter)

Jitter3)

–

0.015 °Crank 3 sigma, ΔBpkpk = 20mTpkpk

–

0.025 °Crank 3 sigma, ΔBpkpk = 9mTpkpk ,

measured on coil using sinus

signal, Ta=150°C, f=8kHz

Number of wrong pulses at

start-up

nStart 4)

–

Engine starts in continuous

forward rotational direction

–

Engine starts in continuous

backward rotational direction

Number of wrong pulses after

stop-start

nStop,sta

rt 4)

–

Multiple rotational direction

changes > 6°Crank allowed

Maximum phase error

Phirunnin

g 3)

-0.2

–

0.2

°Crank ΔBSpeed > 9mTpkpk ,signature

excluded, accuracy on mentioned

wheel in Figure 2

Maximum phase error after

stop-start

Phistop,st

art 3)

-1.7

–

3.2

°Crank Reduced phase accuracy only for

first pulse after stop-start-state /

signature excluded

Run Out Capabilities

Table 4

Electrical and Magnetic Parameters (Continued)

Parameter

Symbol

Values

Unit

Note or Test Condition

Min. Typ. Max.

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