TLE4927C datasheet(3/5 Pages) INFINEON

부품명	TLE4927C

상세설명	Dynamic Differential Hall Effect Sensor

PDF	5 Pages

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제조업체	INFINEON [Infineon Technologies AG]

홈페이지	http://www.infineon.com

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3 / 5 page

TLE4927C supplement

Page 3 of 5

Figure 1

System operation with hidden adaptive hysteresis

S (N)

N (S)

Pin 1 (Vs)

Pin 3 (Q)

Branded Side

Crankshaft Wheel Profile

Small airgap

Large airgap

Magnetic Field Difference

∆B=B1-B2

Output Signal

Enabling point for releasing output: B1-B2<

∆BENRP. Next zero crossing switches the

output OFF (VQ=HIGH).

Enabling point for operate point: B1-B2>

∆BENOP. Next zero crossing switches the

output ON (VQ=LOW).

∆BHYS=|∆BENOP-∆BENRP|

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.

∆BENRP

∆BENOP

Hidden Adaptive

Hysteresis

TLE4927C 데이터시트(PDF) 3 Page - Infineon Technologies AG