TLE4927C E6547 supplement

Page 3 of 5

Figure 1

System operation with hidden adaptive hysteresis

S (N)

N (S)

Pin 1 (Vs)

Pin 3 (Q)

B2

B1

Branded Side

Crankshaft Wheel Profile

Small airgap

Large airgap

Magnetic Field Difference

ΔB=B1-B2

Output Signal

Enabling point for releasing output: B1-B2<

ΔB

Enabling point for operate point: B1-B2>

ΔB

ΔB

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.

ΔB

ENRP

ΔB

ENOP

Hidden Adaptive

Hysteresis