TLE4929C datasheet(23/28 Pages) INFINEON

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Data Sheet

1.10

2018-09-13

TLE4929C Crankshaft Sensor

Fully Programmable Crankshaft Sensor

Table 11

Functional Description Address 0x1

Field

Bit

Type Description

TLE4929C

-XAN-M28

TLE4929C

-XAF-M28

not used

15:14 rw

to be set to “00”

PW_CHOICE

Choice of pulse length at direction detection

forwards/backwards time, pulse length is

3µs shorter by default and can be shortened

by additional 4µs with the PULSE_WIDTH

bit. Details please find on Table 4.

0 = 45 / 90µs

1 = 45 / 135µs

not used

to be set to “0”

FORWARD_DEF

0 = none inversion of forward definition

1 = inversion of forward definition

EDGE_POLAR

0 = non-inverted

1 = inverted

HYST_ADAPT

0 = 25%

1 = 31.25%

HYST

0 = 0.75mTpkpk

1 = 1.5mTpkpk

HYST_TYPE

0 = Hidden adaptive hysteresis

1 = Visible adaptive hysteresis

DNC_MIN

6:5

Minimal DNC (Digital Noise Constant):

00 = 0.75mTpkpk

01 = 1.5mTpkpk

10 = 2.5mTpkpk

11 = 5mTpkpk

DNC_ADAPT

Following value is used for uncalibrated

mode:

0 = 25%

1 = 31.5%

CRANK_TEETH

0 = 58 teeth

1 = 32 teeth

DIR_ENABLE

0 = Direction detection off

1 = Direction detection on

ADAPT_FILT

0 = Slow adaptation tracking: average over

32/58 (CRANK_TEETH) edges…)

1 = Fast adaptation tracking: Each valid

min/max is considered and allows a small

offset-update. When the last 5 updates have

the same sign a full offset-update will be

performed.

LOCK

0 = User area of EEPROM is unlocked

1 = User area of EEPROM is locked (no

reprogramming possible)

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