TLE4998S3 Infineon Technologies, TLE4998S3 Datasheet
TLE4998S3
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TLE4998S3 Summary of contents
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... TLE4998S3 TLE4998S4 Programmable Linear Hall Sensor Data Sheet, V 1.0, July 2008 ...
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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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TLE4998S Revision History: Previous Version: Page Subjects (major changes since last revision) We Listen to Your Comments Any information within this document that you feel is wrong, unclear or missing at all? Your feedback will help us to continuously improve ...
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... Calibration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 9.1 Calibration Data Memory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 9.2 Programming Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 9.3 Data Transfer Protocol . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 9.4 Programming of Sensors with Common Supply Lines . . . . . . . . . . . . . . . 30 10 Application Circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 11 TLE4998S3 Package Outlines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 12 TLE4998S4 Package Outlines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 13 SENT Output Definition (SAE J2716 Data Sheet 4 TLE4998S V 1.0, 2008-07 ...
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Basic SENT Protocol Definition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34 13.2 ...
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... Programming and operation of multiple sensors with common power supply • Two-point calibration of magnetic transfer function without iteration steps • High immunity against mechanical stress, EMC, ESD Type Marking TLE4998S3 4998S3 TLE4998S4 4998S4 Data Sheet Ordering Code Package SP412108 PG-SSO-3-10 SP412110 PG-SSO-4-1 6 TLE4998S3 TLE4998S4 V 1.0, 2008-07 ...
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... Figure 2 show the location of the Hall element in the chip and the distance between Hall probe and the surface of the package. 2.03 ±0 Figure 1 TLE4998S3 Pin Configuration and Hall Cell Location Table 1 TLE4998S3 Pin Definitions and Functions Pin No. Symbol 1 VDD 2 GND ...
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Figure 2 TLE4998S4 Pin Configuration and Hall Cell Location Table 2 TLE4998S4 Pin Definitions and Functions Pin No. Symbol 1 TST 2 VDD 3 GND 4 OUT Data Sheet d 0.2 B Center ...
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General 2.1 Block Diagram Figure simplified block diagram. Supply Bias spinning A HALL D Temp Sense Figure 3 Block Diagram (TLE4998S4) 2.2 Functional Description The linear Hall IC TLE4998S has been designed specifically to ...
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Digital signal processing using a 16-bit DSP architecture together with digital temperature compensation guarantee excellent long-time stability compared to analog compensation methods. While the overall resolution is 16 bits, some internal stages work with resolutions bits. 2.3 ...
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Transfer Functions The examples in Figure 4 the desired output value ranges. • Polarity Mode: – Bipolar: Magnetic fields can be measured in both orientations. The limit points do not necessarily have to be symmetrical around the zero field ...
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Maximum Ratings Table 3 Absolute Maximum Ratings Parameter Storage temperature Junction temperature V Voltage on pin with DD respect to ground Supply current @ overvoltage V max. DD Reverse supply current @ V min. DD Voltage on output pin ...
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Operating Range The following operating conditions must not be exceeded in order to ensure correct operation of the TLE4998S. All parameters specified in the following sections refer to these operating conditions, unless otherwise indicated. Table 4 Operating Range Parameter ...
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... Electrical, Thermal, and Magnetic Parameters Table 5 Electrical Characteristics Parameter SENT transmission time t Supply current Output current @ OUT shorted to supply lines Thermal resistance TLE4998S3 Thermal resistance TLE4998S4 2) Power-on time Power-on reset level Output impedance Output fall time Output rise time Output low time Output min ...
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Depends on external R and OUT OUTsat 6) Range 100 mT, Gain 2.23, internal LP filter 244 Hz mT °C ...
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Calculation of the Junction Temperature The internal power dissipation P temperature above the ambient temperature. The power multiplied by the total thermal resistance to T leads to the final junction temperature. A components, Junction to Case ...
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For any 1 and 2 order polynomial, coefficient within definition in Chapter 8. 5) This range is also used for temperature and offset pre-calibration of the IC 6) Depending on offset and gain settings, the output may ...
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Signal Processing The signal flow diagram in algorithm. Range Hall A D Sensor Temperature TC Sensor Temperature Compensation Figure 6 Signal Processing Flow Magnetic Field Path • The analog output signal ...
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The temperature is normalized by subtraction of the reference temperature T (zero point of the quadratic function) • The linear path is multiplied with the TC • In the quadratic path, the temperature difference to T the TC value ...
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Gain Setting The overall sensitivity is defined by the range and the gain setting. The output of the ADC is multiplied with the Gain value. Table 9 Gain Parameter Register size Gain range Gain quantization steps Δ 1) For ...
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DSP Input Low-Pass Filter A digital low-pass filter is placed between the Hall A/D converter and the DSP, and can be used to reduce the noise level. The low-pass filter has a constant DC amplification (Gain ...
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Figure 7 shows the filter characteristics as a magnitude plot (the highest setting is marked). The “off” position would be a flat 0 dB line. The update rate after the low-pass filter is 16 kHz ...
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Clamping The clamping function is useful for separating the output range into an operating range and error ranges. If the magnetic field is exceeding the selected measurement range, the OUT output value is limited to the clamping values. Table ...
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Figure 8 shows an example in which the magnetic field range between is mapped to output values between 10240 LSB (LSB ) OUT 16 65535 55295 10240 0 B min Figure 8 Clamping Example Note: The clamping high value must ...
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Error Detection Different error cases can be detected by the On-Board Diagnostics (OBD) and reported to the microcontroller in the status nibble (see 7.1 Voltages Outside the Operating Range The output signals an error condition if Table 14 Overvoltage ...
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Temperature Compensation The magnetic field strength of a magnet depends on the temperature. This material constant is specific for the different magnet types. Therefore, the TLE4998S offers a second-order temperature compensation polynomial, by which the Hall signal output is ...
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Parameter Calculation The parameters TC and TC 1 Now the digital output for a given field OUT = the full-range magnetic field dependent on the range setting (e.g 100 mT). FSR S is the ...
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Calibration For the calibration of the sensor, a special hardware interface required. All calibration and setting bits can be temporarily written into a Random Access Memory (RAM). This allows the EEPROM to remain untouched during ...
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Calibration Data Memory When the MEMLOCK bits are programmed (two redundant bits), the memory content is frozen and may no longer be changed. Furthermore, the programming interface is locked out and the chip remains in application mode only, preventing ...
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Table 17 Programming Characteristics Parameter Number of EEPROM programming cycles Ambient temperature at programming Programming time Calibration memory Error Correction 1) 1 cycle is the simultaneous change of ≥ 1 bit 2) Depending on clock frequency at V 9.2 Programming ...
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Application Circuit Figure 10 shows the connection of multiple sensors to a microcontroller TLE out 47nF 4998 GND 4.7nF V DD TLE out 47nF 4998 GND 4.7nF Figure 10 Application Circuit Note: For calibration and programming, the ...
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... PG-SSO-3-10 (Plastic Green Single Small Outline Package) Data Sheet 45˚ 5˚ ±0.05 B 1.5 0.5 ±0.1 3x 0.42 ±0.05 0 1. ±0.3 ±0.3 32 TLE4998S TLE4998S3 Package Outlines 2 A 1.5 ±0.05 0.82 ±0.05 0.36 ±0.05 A Adhesive Tape Tape 0.25 -0.15 0.39 ±0.1 P-PG-SSO-3-10-PO V02 V 1.0, 2008-07 ...
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TLE4998S4 Package Outlines 5.34 5. 45˚ ±1˚ 1.9 MAX. 4x 0.4 ±0.05 0.5 1 1.27 12.7 ±1 6.35 ±0.4 12.7 Total tolerance at 10 pitches ± solder function area Figure 12 PG-SSO-4-1 (Plastic Green Single ...
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SENT Output Definition (SAE J2716) The sensor supports a basic version of the Single Edge Nibble Transmission (SENT) protocol defined by SAE. The main difference between the standard version and its implementation in the TLE4998 is the usage of ...
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As only one Hall value needs to be transferred within one sequence, the second data package is divided into two parts (see • First, the remaining 4 LSBs of the Hall signals are transferred in the first data nibble. This ...
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Unit Time Setup The basic SENT protocol unit time granularity is defined as 3 µs. Every timing is a multiple of this basic time unit. To achieve more flexibility, trimming of the unit time can be used to: • ...
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Table 20 Content of a SENT Data Frame (8 Nibbles) SYNC bits description status and current range state range 10 RR startup condition in range overvoltage in range normal state using range RR bits ...
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Checksum Nibble Details The Checksum nibble is a 4-bit CRC of the data nibbles including the status nibble. The CRC is calculated using a polynomial x In the TLE4998S it is implemented as a series of XOR and shift ...
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... Published by Infineon Technologies AG ...