TLE49421XA Infineon Technologies, TLE49421XA Datasheet
TLE49421XA
Specifications of TLE49421XA
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TLE49421XA Summary of contents
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... Infineon Technologies Office. Infineon Technologies Components may only be used in life-support devices or systems with the express written approval of Infineon Technologies failure of such components can reasonably be expected to cause the failure of that life-support device or system affect the safety or effectiveness of that device or system. Life support devices or systems are intended to be implanted in the human body support and/or maintain and sustain and/or protect human life ...
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Differential Two-Wire Hall Effect Sensor IC Features • Two-wire PWM current interface • Detection of rotation direction • Airgap diagnosis • Assembly position diagnosis • Dynamic self-calibration principle • Single chip solution • No external components needed • High sensitivity ...
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Pin Configuration (top view) S 0015 4201R4 V CC Figure 1 Hall Probes: Right Center Left Figure 2 Block Diagram Data Sheet B A Data Code Marking GND Power Supply Regulator Main Comp PGA Gain Range Offset DAC "X" "X" ...
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Functional Description The differential Hall Effect IC detects the motion of ferromagnetic or permanent magnet structures by measuring the differential flux density of the magnetic field. To detect the motion of ferromagnetic objects the magnetic field must be provided by ...
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Differential Magnetic Flux Density B Figure 4 Definition of Differential Magnetic Flux Density Ranges Data Sheet Range for Range for EL warning pulse: pulse Warning 6 TLE4942-1 TLE4942-1C B Limit (max. airgap exceeded) t AED03190 V 3. ...
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In addition to the speed signal, the following information is provided by varying the length of the output pulses in Figure 3 (PWM modulation): Airgap Warning range = Warning Warning information is issued in the output pulse length when the ...
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Circuit Description The circuit is supplied internally by a voltage regulator. An on-chip oscillator serves as a clock generator for the DSP and the output encoder. Speed Signal Circuitry TLE4942-1 speed signal path comprises of a pair of Hall Effect ...
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DAC LSB. Switching occurs at zero-crossover of the differential magnetic signal only affected by the small residual offset of the comparator and by the propagation delay ...
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Table 1 Absolute Maximum Ratings = – 40°C to 150°C, 4.5 V ≤ Parameter Supply voltage Reverse polarity current Junction temperature Active lifetime Storage temperature Thermal resistance PG-SSO-2-1 1) Can be improved significantly by further processing like overmolding ...
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Table 2 ESD Protection Human Body Model (HBM) tests according to: Standard EIA/JESD22-A114-B HBM (covers MIL STD 883D) Parameter ESD-Protection TLE4942-1 TLE4942-1C Table 3 Operating Range Parameter Supply voltage Supply voltage ripple Junction temperature Pre-induction Pre-induction offset between outer probes ...
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Table 4 Electrical Characteristics All values specified at constant amplitude and offset of input signal, over operating range, unless otherwise specified. Typical values correspond to Parameter Supply current Supply current Supply current ratio Output rise/fall slew rate TLE4942-1 Output rise/fall ...
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Table 4 Electrical Characteristics (cont’d) All values specified at constant amplitude and offset of input signal, over operating range, unless otherwise specified. Typical values correspond to Parameter Magnetic edges required 2) for offset calibration in rare cases (see Appendix B) ...
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Table 4 Electrical Characteristics (cont’d) All values specified at constant amplitude and offset of input signal, over operating range, unless otherwise specified. Typical values correspond to Parameter Shortest time delay between wheel speed pulse 1 and 2 and all further ...
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Table 4 Electrical Characteristics (cont’d) All values specified at constant amplitude and offset of input signal, over operating range, unless otherwise specified. Typical values correspond to Parameter Jitter during startup and uncalibrated mode Jitter at board net ripple Jitter at ...
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HIGH 90% 50% 10% I LOW Figure 6 Definition of Rise and Fall Time Table 5 Timing Characteristics Parameter Pre-low length Length of Warning pulse Length of DR-L pulse Length of DR-R pulse Length of DR-L ...
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HIGH I LOW t Duty = / T x 100% 1 Figure 7 Definition of Duty Cycle PWM Current Interface Between each magnetic transition and the rising edge of the corresponding output pulse the output current is ...
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Internal Sensor Speed Signal Transferred Signal Transferred Signal: DR-L Transferred Signal: DR-R Transferred Signal: DR-L & EL Transferred Signal: DR-R & Figure 8 Definition of PWM Current Interface Data Sheet µs pre-low t ...
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Internal Sensor Speed Signal Transferred Signal: Stand Still Figure 9 Definition of Stand Still Output Pulse Duty Cycle at Fast Changing Frequencies If the duty cycle deviates from 50 possible that the present pulse length is output entirely ...
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Table 6 Electro Magnetic Compatibility (values depend on Ref. ISO 7637-1; test circuit 1; ∆ (amplitude of sinus signal); Parameter Symbol V Testpulse 1 EMC Testpulse 2 Testpulse 3a Testpulse 3b Testpulse 4 Testpulse 5 1) ...
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EMC-Generator V EMC Components: D1: 1N4007 Figure 11 Test Circuit 1 Figure 12 Distance Chip to Upper Side of IC Data Sheet Mainframe D2: T 5Z27 µ ...
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Package Outlines PG-SSO-2-1 (Plastic Single Small Outline Package) 5.34 ±0.05 5.16 ±0.08 1.9 MAX. CODE 1.9 MAX. 2.54 6.35 ±0 solder function area Figure 13 Data Sheet 0.2 12.7 ± 45˚ ±1˚ CODE CODE 0.87 ±0.05 ...
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PG-SSO-2-2 (Plastic Single Small Outline Package) 5.34 ±0.05 5.16 ±0.08 B 1.9 MAX. CODE 2. 1.9 MAX. 0.2 B 5.16 ±0.08 6.35 ±0 (2.4) Capacitor (2.7) 5.34 ±0. solder function area Figure 14 ...
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Appendix A Typical Diagrams (measured performance approx. - 5°C C case Supply Current HIGH LOW 16 I HIGH LOW 6 - ...
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C R Slew Rate without , M 26 mA/µs 24 Fall 22 20 Rise - 120 C f Slew Rate without = 22 mA/µs Fall Rise ...
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Magnetic Threshold ∆ , ∆ kHz warning Limit 1 1.4 warning 1.2 1.0 B Limit 0.8 0.6 0.4 0 120 Magnetic Threshold ∆ ...
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B Jitter mT, 1 kHz 0.9 % 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0 120 t Delaytime µ 2.5 ...
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Appendix B Release 2.0 Occurrence of initial calibration delay time If there is no input signal (standstill), a new initial calibration is triggered each 0.7 s. This calibration has a duration during that initial calibration time. In normal operation (signal ...
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Fast change of direction signal at small fields: The described behaviour can happen when rotation direction is changed 100 200 Figure 1 A local extremum (maximum or minimum) of the ...
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Behaviour close to the magnetic thresholds Real non-perfect magnetic signals and intrinsic thermal noise cause amplitude variations. Very close to the magnetic thresholds a mix of output pulse widths representing the referring magnetic values occur. For similar reasons pulse widths ...
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... Published by Infineon Technologies AG ...