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TLE4906H

Infineon Technologies AG
Part Number TLE4906H
Manufacturer Infineon Technologies AG
Description High Precision Hall-Effect Switch
Published Apr 16, 2005
Detailed Description High Precision Hall-Effect Switch Data Sheet Version 1.0 2003-11-20 TLE4906H Features • • • • • • • • • • • • 2.7V to ...
Datasheet PDF File TLE4906H PDF File

TLE4906H
TLE4906H

Overview
High Precision Hall-Effect Switch Data Sheet Version 1.
0 2003-11-20 TLE4906H Features • • • • • • • • • • • • 2.
7V to 24V supply voltage operation Operation from unregulated power supply High sensitivity and high stability of the magnetic switching points High resistance to mechanical stress by Active Error Compensation Reverse battery protection (-18V) Superior temperature stability Peak temperatures up to 195°C without damage Low jitter (typ.
1µs) High ESD performance (±6kV HBM) Digital output signal Unipolar version SMD package P-SC59-3-2 (SOT-23 compatible) Ordering Code Q62705K-695 P-SC59-3-2 Type TLE4906H Package P-SC59-3-2 Functional Description The TLE4906H is an integrated circuit Hall-effect sensor designed specifically for highly accurate applications.
Precise magnetic switching points and high temperature stability are achieved by active compensation circuits and chopper techniques on chip.
TLE4906H Circuit Description The chopped Hall IC Switch comprises a Hall probe, bias generator, compensation circuits, oscillator and output transistor.
The bias generator provides currents for the Hall probe and the active circuits.
Compensation circuits stabilize the temperature behavior and reduce technology variations.
The Active Error Compensation rejects offsets in signal stages and the influence of mechanical stress to the Hall probe caused by molding and soldering processes and other thermal stresses in the package.
This chopper technique together with the threshold generator and the comparator ensure high accurate magnetic switching points.
Figure 1: Block Diagram Data Sheet 2/10 2003-11-20 TLE4906H Pin Configuration Figure 2: Pin Configuration (SOT-23 pin compatible) Pin Definition and Functions Pin 1 2 3 Symbol VS Q GND Function Supply voltage Output Ground Data Sheet 3/10 2003-11-20 TLE4906H Absolute Maximum Ratings Tj = -40 to 150°C Parameter Supply Voltage Supply Current through protection device Output Voltage Continuous Output Curre...


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