tle4921-3u Infineon Technologies Corporation, tle4921-3u Datasheet - Page 12

• Manufacturer Part Number: tle4921-3u
• Description: Differential Hall Sensor
• Manufacturer: Infineon Technologies Corporation

Data Sheet
Figure 10 System Operation
Magnetic Field Difference
Operate point :
Release point :
The magnetic field is defined as positive if the south pole of
the magnet shows towards the rear side of the IC housing.
Wheel Profile
B = B2-B1
B2
B2
B
-
- B1
RP
B1 <
=
>
B +
OP
1
B
B
B1
OP
RP
switches the output ON
switches the output OFF (
N (S)
B
S
HYS
(N)
B2
4
B
RP
=
0.75 mT
12
Output Signal
(
V
V =
Q
Q
=
V
Q
LOW)
Missing Tooth
B
HIGH)
OP
=
-0.75 mT
Small Airgap
TLE 4921-3U
Large Airgap
B
AED01697
2000-07-01
HYS