TLE4941PLUSC Infineon Technologies, TLE4941PLUSC Datasheet

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TLE4941PLUSC

Manufacturer Part Number
TLE4941PLUSC
Description
IC HALL EFFECT SENSOR SSO2-53
Manufacturer
Infineon Technologies
Type
Special Purposer
Datasheet

Specifications of TLE4941PLUSC

Voltage - Supply
4.5 V ~ 20 V
Current - Supply
8.4mA
Output Type
Digital, PWM (Current)
Features
High Sensitivity
Operating Temperature
-40°C ~ 150°C
Package / Case
2-SIP, SSO-2-53
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Sensing Range
-
Current - Output (max)
-

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Product Brief
TLE 4941plusC
Differential Hall IC for Wheel Speed Sensing
 
TLE 4941plusC, a differential Hall sensor for measuring magnetically the car´s
single chip solution combining Hall sensor elements and both analogue and
small encoders. Several product improvements, both electrical and magnetic,
se and higher load dump robustness. The formerly optional first-edge-detection,
 
 
TLE 4941plusC has a standard 2-wire current interface, high ESD robustness
The TLE 4941plusC is an extremely robust product due to Infineon’s high quality
standards as experienced automotive semiconductor supplier. After several
 
wheel speed, is the latest offspring of the extremely successful TLE 4941 family,
based on Infineon’s most recent sensor technologies for front- and backend.
Designed as drop-in replacement the TLE 4941plusC is, as its predecessors, a
digital signal processing in one single chip. Its differential principle makes it
immune to any kind of undesired magnetic fields and disturbances. The Hall
element distance has been downsized to 2 mm to be also fit for extremely
have been put in place, such as an accelerated calibration during start-up pha-
a feature for quick start-up, providing a reliable output signal even before cali-
bration is fully completed, has now become standard.
and works in the wide temperature range present in the harsh automotive
environment. Magnetic and device offsets are cancelled by a sophisticated self-
calibration algorithm immediately after start-up.
hundred million units sold, Infineon’s active wheel speed sensors have largely
proven to be the perfect match for wheel speed sensing in all aspects of functio-
nality, robustness and flexibility.
www.infineon.com/sensors
 
 
 
 
 
 
Features
 
 
 
 
 
 
 
Applications
Reliable Wheel Speed Sensing in
automotive applications
Anti-lock Braking System (ABS)
Electronic Stability Program (ESP)  
Automatic Transmissions 
Two-wire current interface: Minimizes
wiring
Dynamic self-calibration principle:
Compensates offsets
Single chip solution: Ensures outstan-
ding reliability
High sensitivity: Can be used for large
airgap applications
South and north pole pre-induction
possible: Works for both encoders
and tonewheels
High resistance to piezo effects: Suits
sensor  overmolding wide operating
temperature range
C type with 1.8 nF overmolded capa-
citor: Enhances EMC & microbreak
resistance, without any external
components  

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TLE4941PLUSC Summary of contents

Page 1

Product Brief TLE 4941plusC Differential Hall IC for Wheel Speed Sensing   TLE 4941plusC, a differential Hall sensor for measuring magnetically the car´s wheel speed, is the latest offspring of the extremely successful TLE 4941 family, based on Infineon’s most ...

Page 2

... Differential Hall IC for Wheel Speed Sensing TLE 4941plusC block diagram The TLE4941plusC signal path includes a pair of hall probes (2 mm spacing), a differential amplifier and a comparator feeding a switched current output stage. Additionally, the circuit has a feedback loop for offset compensation which consists of a signal-Speed ADC, a digital signal processor (DSP) and an offset D/A converter. ...

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