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TLE5012 Datasheet, PDF (49/57 Pages) Infineon Technologies AG – GMR-Based Angular Sensor for Rotor Position Sensing
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TLE5012
Specification
Table 17 Hall Switch Mode
Parameter
Symbol
Electrical Angle Accuracy
αelect
Min.
-
Values
Typ. Max.
1.2 2
Mechanical Angle Switching
Hysteresis
Electrical Angle Switching
Hysteresis4)
-
-
-
-
-
-
-
αHShystm
0
αHShystel
-
-
1.8 3
2.4 4
3.6 6
4.2 7
4.8 8
7.2 12
9.6 16
-
0.625
1.25 -
1.88 -
-
2.50 -
-
3.75 -
-
4.38 -
-
5.00 -
-
7.50 -
-
10 -
Fall Time
tHSfall
-
0.02 1
Rise Time
tHSrise
-
0.4 1
1) depends on internal oscillator frequency variation (Chapter 3.4.6)
2) guaranteed by design
3) including GMR hysteresis
4) The hysteresis has to be considered only at change of rotation direction.
Unit Note / Test Condition
°
2 polepairs with
autocalibration1)2)
3 polepairs with autocal.1)2)
4 polepairs with autocal.1)2)
6 polepairs with autocal.1)2)
7 polepairs with autocal.1)2)
8 polepairs with autocal.1)2)
12 polepairs with autocal.1)2)
16 polepairs with autocal.1)2)
°
selectable by IFAB_HYST3)
°
2 polepairs;
IFAB_HYST=111)2)
3 polepairs;
IFAB_HYST=111)2)
4 polepairs;
IFAB_HYST=111)2)
6 polepairs;
IFAB_HYST=111)2)
7 polepairs;
IFAB_HYST=111)2)
8 polepairs;
IFAB_HYST=111)2)
12 polepairs;
IFAB_HYST=111)2)
16 polepairs;
IFAB_HYST=111)2)
µs RL = 2.2kΩ; CL < 50pF
µs RL = 2.2kΩ; CL < 50pF
To avoid switching on mechanical vibrations of the rotor, a hysteresis is recommended (Figure 23).
Target Data Sheet
49
V 0.46, 2009-09
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