参数资料
型号: TLE4925
厂商: INFINEON TECHNOLOGIES AG
元件分类: 模拟信号调理
英文描述: SPECIALTY ANALOG CIRCUIT, PSSS3
封装: PLASTIC, SSO-3
文件页数: 8/28页
文件大小: 1066K
代理商: TLE4925
Data Sheet
Page 16 of 28
10/02/2005
Figure 12
System Operation with hidden 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
B=B1-B2
Output Signal
VQ
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=-1mT
BENOP=1mT
Hidden Hysteresis
BHYS=2mT
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