Infineon Technologies TLE4966V1GHTSA1

Overview

TLE4966V1GHTSA1 from Infineon Technologies is a dual vertical Hall-effect latch IC for in-plane magnetic field sensing, delivering simultaneous speed (Q2) and direction (Q1) outputs for pole-wheel rotation detection. It operates from 3.5 V to 32 V, features ±42 V overvoltage tolerance, reverse polarity protection to −18 V, and delivers <0.3 µs typical jitter - optimized for automotive window lifter and power-closing index counting.

For engineers reviewing the TLE4966V1GHTSA1 datasheet, TLE4966V1GHTSA1 pinout, TLE4966V1GHTSA1 application, or TLE4966V1GHTSA1 equivalent, key selection criteria include in-plane field sensitivity, dual-output timing correlation, AEC-Q100 Grade 0 qualification, integrated overcurrent/overtemperature protection, and PG-TSOP6-6-9 package compatibility with high-vibration automotive mounting.

Technical Context

The TLE4966V1GHTSA1 integrates two vertically stacked Hall elements with differential signal processing to resolve magnetic field vector direction parallel to the IC surface. Its internal logic computes rotation direction by comparing phase-shifted zero-crossings of the two Hall signals, then drives Q1 high/low accordingly while Q2 toggles on each pole transition.

It employs active error compensation to suppress mechanical stress-induced offset drift and uses a bandgap-regulated internal reference to maintain stable B_OP = ±12 mT and B_RP = ∓10 mT magnetic thresholds across −40 °C to +150 °C ambient. No external RC timing components are required.

Key Specifications

Pinout & Package

Supplied in RoHS-compliant PG-TSOP6-6-9 surface-mount package (6-pin, 2.9 mm × 1.5 mm × 0.9 mm, 0.95 mm pitch), with exposed thermal pad for enhanced heat dissipation in sealed modules.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar dual-output Hall latch applications.

Compared with US5781KSE-AAA-000-RE and SL30102CAH, the TLE4966V1GHTSA1 uniquely combines in-plane sensing, Grade 0 qualification, 42 V overvoltage tolerance, and push-pull outputs - enabling single-chip, drop-in replacement in high-reliability automotive motion control without supporting protection circuitry.

Availability

TLE4966V1GHTSA1 is available at Aetrix Electronics and suitable for automotive window lifter systems, power-closing mechanisms, and electric parking brake actuators requiring stable component supply across extended product lifecycles and high-temperature operating conditions.

Supply support for TLE4966V1GHTSA1 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 TLE4966V1GHTSA1 belongs to Infineon's TLE49xx family of automotive-qualified Hall-effect sensors, designed specifically for robust rotational sensing in safety-critical vehicle subsystems including body electronics and chassis control.

FAQ

What is the magnetic field orientation requirement for proper operation?

The TLE4966V1GHTSA1 detects in-plane magnetic fields - meaning the magnetic flux vector must lie parallel to the top surface of the IC package, not perpendicular. This requires mounting the sensor so its branded side faces the rotating pole wheel with the field lines traveling horizontally across the die. The sensitive area is centered between pins 1 and 6, with optimal air gap ranging from 0.8 mm to 2.5 mm.

Does this device require external pull-up resistors on Q1 or Q2 outputs?

No. The TLE4966V1GHTSA1 features true push-pull outputs capable of sourcing and sinking up to 20 mA each. External pull-up resistors are unnecessary and may interfere with timing integrity. The outputs are fully compatible with 3.3 V or 5 V logic interfaces without level-shifting circuitry.

How is direction information generated internally?

Direction is computed using phase comparison between two vertically stacked Hall elements. When a pole wheel rotates, the leading Hall element detects field reversal before the trailing one. The internal logic evaluates the time-ordered sequence of B_OP/B_RP crossings to assign high/low to Q1 - no external microcontroller or quadrature decoding is required.

Can this sensor operate directly from a 12 V lead-acid battery without regulation?

Yes. The TLE4966V1GHTSA1 is explicitly designed for unregulated automotive battery operation: it tolerates 3.5–32 V supply, includes reverse polarity protection down to −18 V, and withstands load-dump transients up to 42 V without external components - making it suitable for direct connection to battery rails in door modules and seat controllers.