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Infineon Technologies TLE4998C8DXUMA1
- Part No.:
- TLE4998C8DXUMA1
- Manufacturer:
- Infineon Technologies
- Category:
- Switches (Solid State)
- Package:
- -
- Datasheet:
-
TLE4998C8DXUMA1.pdf
- Description:
- MAG SWITCH SPEED SENSOR 8TDSO
- Quantity:
- Payment:
- Shipping:
Inventory:2,092
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Product details
Overview
TLE4998C8DXUMA1 from Infineon Technologies is a dual-die programmable linear Hall sensor IC with integrated SPC (Short PWM Code) interface compliant with SAE J2716 SENT protocol, 20-bit DSP, digital temperature/stress compensation, ±50/±100/±200 mT configurable magnetic range, and AEC-Q100 qualification for automotive pedal position and steering torque sensing.
For engineers reviewing the TLE4998C8DXUMA1 datasheet, TLE4998C8DXUMA1 pinout, TLE4998C8DXUMA1 application, or TLE4998C8DXUMA1 equivalent, this page delivers verified technical context, pin-level circuit roles, real-world calibration behavior, diagnostic coverage, and validated alternatives for safety-critical position sensing designs.
Technical Context
The TLE4998C8DXUMA1 integrates two independent Hall sensor dies in a single PG-TDSO-8 package, each with dedicated VDD, GND, OUT, and TST pins - enabling dual-sensor operation on shared supply while supporting ID-selection mode for up to four sensors on one output line. Its SPC protocol supports synchronous transmission, dynamic range switching, and ECU-initiated readout.
Digital signal processing uses a 16-bit DSP architecture with second-order digital temperature compensation and programmable clamping. The open-drain output requires an external pull-up resistor and supports mixed-voltage systems (e.g., 5 V sensor / 3.3 V ECU), with built-in diagnostics for overvoltage, EEPROM errors, and magnetic field/temperature reporting.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Protocol | SPC (Short PWM Code) based on SAE J2716 SENT - enables ECU-triggered transmissions and multi-sensor bus addressing via ID selection mode. |
| Magnetic Range | Programmable ±50 mT, ±100 mT, or ±200 mT - allows optimization for sensitivity vs. saturation in throttle or brake pedal applications. |
| Resolution | 16-bit overall resolution (65535 steps) with 20-bit internal DSP - ensures sub-millitesla field discrimination and stable zero-field offset over life. |
| Operating Temp | -40°C to +125°C - qualified per AEC-Q100 Grade 0, supporting under-hood and steering column mounting without derating. |
| Supply Voltage | 4.5–5.5 V nominal (4.1–16 V extended) - accommodates battery transients and reverse-polarity protection on all pins. |
| Diagnostics | On-board overvoltage detection, EEPROM single-bit error correction, and status nibble reporting - satisfies ASIL-B functional safety requirements. |
| Calibration | Two-point magnetic transfer function calibration without iteration - reduces production test time and eliminates iterative gain/offset tuning. |
Pinout & Package
Package: PG-TDSO-8-2 (dual-die variant), thermally enhanced exposed pad, RoHS-compliant, lead-free.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (TST) | Test pin (top die) | Connected to GND during normal operation; used for factory test and programming interface access. |
| 2 (VDD) | Supply voltage (top die) | Primary 4.5–5.5 V power input for top Hall die and interface logic; supports extended 4.1–16 V range. |
| 3 (GND) | Ground (top die) | Reference return path for top die; must be low-impedance and separated from noisy system ground if possible. |
| 4 (OUT) | SPC output (top die) | Open-drain digital output requiring external pull-up; transmits magnetic field, temperature, and status nibbles. |
| 5 (OUT) | SPC output (bottom die) | Independent open-drain output for second Hall die; enables dual-channel sensing without multiplexing delay. |
| 6 (GND) | Ground (bottom die) | Isolated ground reference for bottom die; improves channel-to-channel crosstalk immunity. |
| 7 (VDD) | Supply voltage (bottom die) | Dedicated supply for bottom Hall die; allows independent power sequencing or fault isolation. |
| 8 (TST) | Test pin (bottom die) | Ground-referenced test node for bottom die; supports parallel programming of both dies. |
Key Features
| Feature | Design Value |
|---|---|
| Dual independent Hall dies | Enables redundant or differential position sensing in single-package footprint - critical for ASIL-B/C pedal and torque applications. |
| Programmable SPC modes | Synchronous transmission, range selection, and ID-selection allow flexible ECU integration - e.g., 4 sensors on one wire with individual addressing. |
| Digital temperature compensation | Second-order polynomial compensation stored in EEPROM eliminates need for external thermistors or lookup tables in ECU firmware. |
| EEPROM with ECC | Single-bit error correction ensures reliable storage of calibration coefficients, magnetic range, gain, offset, and clamping limits over 10+ year lifetime. |
| Reverse-polarity & overvoltage protection | Withstands -18 V reverse supply and +18.35 V transients - eliminates need for external TVS or polarity protection diodes in harsh automotive environments. |
Applications
| Pedal Position Sensing | Steering Torque Sensing |
|---|---|
|
Use Scenario: Detection of accelerator/brake pedal angle in electric and hybrid vehicles with mechanical wear-free operation. IC Role / Device Role / Timing Role: Dual-die linear Hall sensor providing two independent analog-equivalent outputs via SPC protocol for redundancy and cross-checking. Use Value: Eliminates potentiometer drift and contact failure; meets ASIL-B requirements with on-chip diagnostics and EEPROM-stored calibration. |
Use Scenario: Measuring torsional deflection across a steering column shaft to derive driver torque input in EPS systems. IC Role / Device Role / Timing Role: High-accuracy magnetic field measurement with <1% full-scale error over temperature, synchronized to ECU clock via SPC master pulse. Use Value: Enables precise torque estimation at low fields (±50 mT range) with digital temperature compensation - no firmware-based correction needed. |
| Throttle Valve Position | Industrial Linear Actuator Feedback |
|
Use Scenario: Closed-loop control of engine throttle valve angle in gasoline direct injection systems. IC Role / Device Role / Timing Role: Programmable gain and offset allow matching to specific magnet geometry and air-gap variation across production units. Use Value: Two-point calibration eliminates iterative tuning; clamping levels prevent erroneous ECU interpretation during end-stop impacts. |
Use Scenario: Position feedback in hydraulic or electromechanical actuators used in construction equipment and agricultural machinery. IC Role / Device Role / Timing Role: Robust open-drain SPC output interfaces directly to 3.3 V microcontrollers using shared pull-up, reducing BOM count. Use Value: Extended supply range (4.1–16 V) tolerates generator ripple and battery dropouts; reverse-polarity protection avoids field failures. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar programmable linear Hall sensor applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| Melexis MLX90393 | Tri-axis I²C/TWI output, 18-bit resolution, no SPC/Sent support; lacks dual-die integration and ID-selection bus mode. | Best suited for non-automotive, space-constrained PCBs needing angular position via SPI/I²C; not AEC-Q100 qualified. | Select when system uses I²C infrastructure and does not require SENT compliance or dual-channel redundancy. |
| Allegro A1335 | Single-die SENT-output Hall sensor, 16-bit resolution, no EEPROM reprogramming after lock; lacks dual-die and range-selection mode. | Valid for single-axis pedal or throttle use where cost is prioritized over redundancy and field configurability. | Select only for cost-sensitive, single-channel applications without need for post-production reconfiguration or dual-sensor validation. |
Compared with MLX90393 and A1335, the TLE4998C8DXUMA1 uniquely delivers dual-die redundancy in one package, ECU-addressable bus capability via ID-selection mode, and full EEPROM reprogrammability - making it the only option qualified for ASIL-B pedal position systems requiring field-updatable calibration and fault-tolerant architecture.
Availability
TLE4998C8DXUMA1 is available at Aetrix Electronics and suitable for automotive pedal position sensing, steering torque measurement, throttle valve control, and industrial actuator feedback requiring stable component supply, long-term lifecycle support, and AEC-Q100-compliant sourcing.
Supply support for TLE4998C8DXUMA1 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Infineon Technologies is a German semiconductor manufacturer specializing in power management, automotive ICs, and sensor solutions, with global manufacturing and AEC-Q100 validation infrastructure.
The TLE4998C8DXUMA1 belongs to Infineon's TLE499x programmable Hall sensor family, designed specifically for high-accuracy, safety-critical position and torque sensing in automotive powertrain and chassis systems.
FAQ
What is the difference between TLE4998C8DXUMA1 and TLE4998C8D?
TLE4998C8DXUMA1 is the exact ordering code for the dual-die PG-TDSO-8-2 packaged variant marked "C8D", specified in Infineon's SP002497754 ordering documentation. It is not a sample or evaluation version - it is the production-grade, AEC-Q100-qualified part shipped in tape-and-reel format for automated assembly.
Does TLE4998C8DXUMA1 support daisy-chaining multiple sensors on one output line?
Yes - using SPC ID-selection mode, up to four TLE4998C8DXUMA1 sensors can share one output line and common supply, with the ECU selecting each by unique ID. Each sensor responds only to its assigned ID, enabling compact wiring harnesses in multi-pedal or multi-axis systems.
Can the magnetic range be changed after installation in the final product?
Yes - the magnetic range (±50/±100/±200 mT), gain, offset, polarity, bandwidth, and clamping levels are stored in EEPROM and fully reprogrammable in-system via the SPC interface until memory lock is executed, supporting calibration updates during end-of-line testing or field service.
What external components are required for basic operation?
A single external pull-up resistor (typically 2.2 kΩ to 3.3 V or 5 V) on each OUT pin is mandatory. A 47 nF bypass capacitor between VDD and GND per die is recommended. No external temperature sensor, amplifier, or ADC is needed - all signal conditioning is performed internally.
TLE4998C8DXUMA1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Series:
- -
- Package/Case:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Not For New Designs
- Function:
- -
- Technology:
- -
- Polarization:
- -
- Sensing Range:
- -
- Test Condition:
- -
- Voltage - Supply:
- -
- Current - Supply (Max):
- -
- Current - Output (Max):
- -
- Output Type:
- -
- Features:
- -
- Operating Temperature:
- -
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- -
- Supplier Device Package:
- -
TLE4998C8DXUMA1 FAQ
1.How can I place an order for TLE4998C8DXUMA1 through Aetrix?
Please submit a Request for Quotation (RFQ) for TLE4998C8DXUMA1 on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for TLE4998C8DXUMA1 reliable?
The price and inventory of TLE4998C8DXUMA1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TLE4998C8DXUMA1 is usually 5 days.
3.What payment methods are accepted for TLE4998C8DXUMA1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TLE4998C8DXUMA1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TLE4998C8DXUMA1?
TLE4998C8DXUMA1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TLE4998C8DXUMA1 order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for TLE4998C8DXUMA1?
For technical support, including TLE4998C8DXUMA1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TLE4998C8DXUMA1 requirements.
6.How does Aetrix verify that TLE4998C8DXUMA1 is sourced from the original manufacturer or authorized distributors?
All TLE4998C8DXUMA1 products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that TLE4998C8DXUMA1 meets industry standards.
7.What is the process for return or replacement of TLE4998C8DXUMA1?
All TLE4998C8DXUMA1 units undergo pre-shipment inspection (PSI). If there is an issue with TLE4998C8DXUMA1, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The TLE4998C8DXUMA1 part is unused and in its original packaging.
Return procedure for TLE4998C8DXUMA1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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