Infineon Technologies TLE4966KE6710HTSA1

Overview

TLE4966KE6710HTSA1 from Infineon Technologies is a high-precision bipolar Hall-effect switch IC with integrated dual Hall probes, 1.45 mm inter-probe spacing, direction & speed digital outputs (Q1 and Q2), and operation from 2.7 V to 24 V supply. It delivers ±0.5° magnetic direction resolution, <1 µs jitter, and survives peak temperatures up to 195°C - deployed in automotive crankshaft and camshaft position sensing.

For engineers reviewing the TLE4966KE6710HTSA1 datasheet, TLE4966KE6710HTSA1 pinout, TLE4966KE6710HTSA1 application, or TLE4966KE6710HTSA1 equivalent, key selection criteria include magnetic switching point stability over -40°C to +170°C, active error compensation for mechanical stress immunity, and precise timing relationship where Q1 (direction) switches 90° electrical phase ahead of Q2 (speed).

Technical Context

The device implements a chopper-stabilized dual-Hall architecture with on-chip oscillator, bias generator, and two independent signal chains - each feeding dedicated amplifiers, filters, and comparators with hysteresis. Direction detection logic compares phase-shifted signals from spatially separated Hall plates to determine rotational direction before speed edge generation.

Active Error Compensation continuously corrects offset drift induced by thermal gradients and package-induced mechanical stress, enabling stable BOP/BRP matching (±0.5 mT typical) across temperature and lifetime. The reverse-battery protected voltage regulator supports direct connection to unregulated 12 V automotive rails.

Key Specifications

Pinout & Package

Package: PG-TSOP6-6-5 - surface-mount thermally enhanced thin small-outline package with exposed thermal pad, 1.2 mm height, and JEDEC-compliant footprint.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar Hall-effect direction-sensing applications.

Compared with MLX92292ESE-AAA-000-RE and TLE4964-2K, TLE4966KE6710HTSA1 uniquely combines factory-matched dual Hall probes, active mechanical stress compensation, and guaranteed 90° Q1/Q2 phase lead - making it the only choice for high-reliability engine timing systems requiring zero-direction-ambiguity operation.

Availability

TLE4966KE6710HTSA1 is available at Aetrix Electronics and suitable for automotive engine control units, transmission control modules, and turbocharger monitoring systems requiring stable component supply under extended temperature and vibration stress.

Supply support for TLE4966KE6710HTSA1 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 electronics, and sensor solutions, with global R&D and manufacturing infrastructure.

The TLE4966K belongs to Infineon's high-precision automotive Hall sensor product line, engineered specifically for engine timing and motion control applications demanding sub-degree magnetic resolution and extreme environmental resilience.

FAQ

What is the purpose of the three GND pins on TLE4966KE6710HTSA1?

Pins 2, 5, and 6 serve distinct roles: Pin 2 is analog ground for Hall bias and signal chain; Pin 5 is digital ground for output stage; Pin 6 connects to the exposed thermal pad for thermal conduction and mechanical stability. Separating analog/digital grounds minimizes noise coupling, while the thermal pad ground ensures safe junction temperature under continuous 170°C operation.

How does the 90° phase relationship between Q1 and Q2 improve direction detection reliability?

The fixed 90° electrical phase lead of Q1 over Q2 creates unambiguous quadrature encoding - direction is determined by the logical sequence (Q1→Q2 for clockwise, Q2→Q1 for counterclockwise) regardless of speed or air-gap variation. This eliminates reliance on edge-counting algorithms vulnerable to missing pulses or signal distortion at high RPM.

Can TLE4966KE6710HTSA1 operate with a 3.3 V microcontroller I/O interface?

Yes - both Q1 and Q2 are open-drain outputs rated for 24 V sink capability. When pulled up to 3.3 V, they deliver clean logic-level signals compatible with standard CMOS inputs. No level-shifting circuitry is required, though pull-up resistor value must be selected to meet rise-time requirements (<100 ns) at the target bus capacitance.

Is Active Error Compensation enabled by default, and can it be disabled?

Active Error Compensation is fully integrated and always active - it requires no configuration, external components, or enable signal. The compensation circuit operates continuously during power-on, correcting for molding-induced stress, solder thermal gradients, and long-term package creep. There is no user-accessible disable function, as disabling would violate AEC-Q100 qualification requirements.