Infineon Technologies TLE4990E6782HAXA1

Overview

TLE4990E6782HAXA1 from Infineon Technologies is a programmable linear-output Hall-effect sensor IC designed for high-accuracy position and current sensing in automotive powertrain and chassis systems. It delivers a ratiometric analog output (0.15 V to 4.85 V at 5 V supply), features factory-calibrated sensitivity of 20 mV/mT, operates across –40 °C to +150 °C, and uses a PG-SSO-4-1 surface-mount package with 1 mm profile. It is deployed in throttle position sensing and battery current monitoring where rail-to-rail linearity and on-board diagnostics are critical.

For engineers reviewing the TLE4990E6782HAXA1 datasheet, TLE4990E6782HAXA1 pinout, TLE4990E6782HAXA1 application, or TLE4990E6782HAXA1 equivalent, key selection criteria include its fused 20 mV/mT gain, zero-field offset programmability (3–19% VDD), clamping-disabled configuration, push-pull output architecture, and integrated wire-break detection via OBD circuitry.

Technical Context

The TLE4990E6782HAXA1 implements a chopped Hall probe with dynamic offset cancellation to suppress mechanical stress and thermal drift. Its signal path includes temperature-compensated bias current modulation, 10-bit GDAC fine gain control, and OTPROM-stored calibration data for zero-field voltage and sensitivity.

It uses a BiCMOS process enabling reverse polarity protection on all pins and overvoltage tolerance up to 20 V. The output is ratiometric and rail-to-rail (3–97% VDD), with short-circuit protection and on-board diagnostics that force output to ≤6% or ≥94% VDD during fault conditions such as open-load or wire break.

Key Specifications

Pinout & Package

Package: PG-SSO-4-1 - ultra-slim 4-pin surface-mount package (5.34 mm × 3.05 mm × 1.0 mm), optimized for space-constrained automotive PCBs and high-reliability solder joints.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar linear Hall sensor applications.

Compared with MLX90242 and A1324, the TLE4990E6782HAXA1 provides fused 20 mV/mT gain, full automotive temperature qualification, reverse polarity hardening, and integrated wire-break diagnostics - making it uniquely suited for safety-critical throttle and suspension control where calibration stability and fault visibility are mandatory.

Availability

TLE4990E6782HAXA1 is available at Aetrix Electronics and suitable for throttle position sensing, battery current monitoring, suspension height control, and steering angle feedback requiring stable component supply across automotive production lifecycles.

Supply support for TLE4990E6782HAXA1 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 AG is a German semiconductor manufacturer specializing in power management, automotive microcontrollers, and sensor solutions, with global R&D and manufacturing infrastructure.

The TLE4990 belongs to Infineon's automotive-grade linear Hall sensor product line, engineered specifically for contactless position and current sensing in harsh environments where long-term calibration stability and functional safety are essential.

FAQ

What is the factory-programmed sensitivity of TLE4990E6782HAXA1?

The TLE4990E6782HAXA1 is factory-calibrated to a fixed magnetic sensitivity of 20 mV/mT at 5 V supply voltage. This value is permanently stored in OTPROM during production and cannot be reprogrammed in the field. It is optimized for use with samarium-cobalt (SmCo) magnets and maintains ±1.5% total error band over –40 °C to +150 °C.

Does TLE4990E6782HAXA1 support multiple sensors on a shared supply line?

Yes - the TLE4990E6782HAXA1 supports individual programming and operation of multiple units on a common VDD/GND bus using its bidirectional serial interface on the OUT pin. Each sensor is addressed via unique fuse-configured IDs, enabling daisy-chained calibration without additional wiring or address pins.

Is the clamping function enabled on the E6782 variant?

No - the TLE4990E6782HAXA1 has the clamping bit disabled during factory programming. Its output retains the full 3–97% VDD swing (0.15–4.85 V at 5 V), preserving maximum resolution for precision position or current measurement. Clamping is only active in variants where the CLAMP bit is fused high.

What diagnostic capabilities does TLE4990E6782HAXA1 provide?

The device integrates on-board diagnostics (OBD) that detect open-load (wire break) conditions by forcing the OUT pin to ≤6% or ≥94% VDD. It also provides reverse polarity and overvoltage protection on all pins, short-circuit protected output, and continuous internal monitoring of supply voltage and temperature drift - all without external components.