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TLE4905

Infineon Technologies AG
Part Number TLE4905
Manufacturer Infineon Technologies AG
Description Uni- and Bipolar Hall IC Switches for Magnetic Field Applications
Published Apr 16, 2005
Detailed Description Uni- and Bipolar Hall IC Switches for Magnetic Field Applications TLE 4905 L; TLE 4935 L; TLE 4935-2 L; TLE 4945 L; TLE...
Datasheet PDF File TLE4905 PDF File

TLE4905
TLE4905

Overview
Uni- and Bipolar Hall IC Switches for Magnetic Field Applications TLE 4905 L; TLE 4935 L; TLE 4935-2 L; TLE 4945 L; TLE 4945-2L Bipolar IC Features • • • • • • Temperature compensated magnetic performance Digital output signal For unipolar and alternating magnetic fields Large temperature range Protection against reversed polarity Output protection against electrical disturbances P-SSO-3-2 Type TLE 4905 L TLE 4935 L TLE 4935-2 L TLE 4945 L TLE 4945-2L Marking 05 L 35 L 35 2 45 L 45 2 Ordering Code Q67006-A9120 Q67006-A9112 Q67006-A9143 Q67006-A9163 Q62705-K441 Package P-SSO-3-2 P-SSO-3-2 P-SSO-3-2 P-SSO-3-2 P-SSO-3-2 TLE 4905/35/35-2/45/45-2 L (Unipolar/Bipolar Magnetic Field Switches) have been designed specifically for automotive and industrial applications.
Reverse polarity protection is included on-chip as is output protection against negative voltage transients.
Typical applications are position/proximity indicators, brushless DC motor commutation, rotational indexing etc.
Data Sheet 1 2000-07-01 TLE 4905 L; TLE 4935 L; TLE 4935-2 L; TLE 4945 L; TLE 4945-2L Pin Configuration (view on branded side of component) Center of sensitive area 2.
08 ±0.
15 1.
35 ±0.
15 1 2 3 VS GND Q AEP01364 Figure 1 Pin Definitions and Functions Pin No.
1 2 3 Symbol Function Supply voltage Ground Output VS GND Q Data Sheet 2 2000-07-01 TLE 4905 L; TLE 4935 L; TLE 4935-2 L; TLE 4945 L; TLE 4945-2L Circuit Description The circuit includes Hall generator, amplifier and Schmitt-Trigger on one chip.
The internal reference provides the supply voltage for the components.
A magnetic field perpendicular to the chip surface induces a voltage at the hall probe.
This voltage is amplified and switches a Schmitt-trigger with open-collector output.
A protection diode against reverse power supply is integrated.
The output is protected against electrical disturbances.
Threshold Generator VS 1 HallGenerator 3 Q VS VRef Amplifier SchmittTrigger Output Stage AEB01243 2 GND ...


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