tle4926c Infineon Technologies Corporation, tle4926c Datasheet - Page 19

• Manufacturer Part Number: tle4926c
• Description: Dynamic Differential Hall Effect Sensor
• Manufacturer: Infineon Technologies Corporation

Figure 12
Data Sheet
Crankshaft Wheel Profile
Enabling point for releasing output: B1-B2<∆B
Enabling point for operate point: B1-B2>∆B
Outside of a permanent magnet the magnetic induction (=flux density)
points from north to the south pole. It is common to define positive flux
if the south pole of a magnet is on the branded side of the IC. This is equivalent to the
north pole of the magnet on the rear side of the IC.
Pin 3 (Q)
System Operation with hidden hysteresis
B2
S (N)
N (S)
∆B
HYS
B1
=|∆B
Magnetic Field Difference
∆ B=B1-B2
Output Signal
V
ENOP
Q
Branded Side
-∆B
Pin 1 (Vs)
∆B
Page 19 of 27
ENRP
ENOP
ENOP
|
=1mT
ENRP
switches the output ON (V
switches the output OFF (V
∆B
ENRP
=-1mT
TLE4926C-HTN E6747
Q
=LOW)
Large airgap
Small airgap
Hidden Hysteresis
∆B
Q
=HIGH)
HYS
=2mT