Infineon Technologies TLE5027CE6747HAMA4

Overview

TLE5027CE6747HAMA4 from Infineon Technologies is a highly accurate differential GMR-based speed and direction sensor for automotive powertrain applications. It detects ferromagnetic gear wheels or magnetic encoder wheels using two integrated GMR bridges, delivers 3-wire PWM output with CW/CCW pulse widths of 45 µs / 90 µs, operates from −40 °C to +175 °C junction temperature, and supports airgaps up to 2.5 mm with ferrite back-bias magnets.

For engineers reviewing the TLE5027CE6747HAMA4 datasheet, TLE5027CE6747HAMA4 pinout, TLE5027CE6747HAMA4 application, or TLE5027CE6747HAMA4 equivalent, key selection criteria include its adaptive hysteresis algorithm for vibration immunity, differential sensing architecture for common-mode field rejection, low 3.5 mA supply current, integrated 4.7 nF and 47 nF decoupling capacitors, and reverse-voltage protection on Vs.

Technical Context

The TLE5027CE6747HAMA4 implements a dual-GMR bridge topology with analog signal conditioning, multi-stage filtering (LPF, min/max), and a digital direction core that extracts rotation direction from edge timing asymmetry. Its hidden adaptive hysteresis dynamically adjusts switching thresholds based on magnetic field slew rate and noise history.

It uses a monolithic PG-SSO-3-92 package with integrated capacitors (4.7 nF between Q and GND; 47 nF between Vs and GND) to suppress micro-cuts and improve EMC robustness. The 3-wire interface (Vs, GND, Q) eliminates need for external pull-up or level-shifting components in 12 V automotive systems.

Key Specifications

Pinout & Package

Package: PG-SSO-3-92 - surface-mount, 3-pin, leadless module with integrated decoupling capacitors and molded housing for automotive under-hood use.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar differential magnetic speed sensing applications.

Compared with TLE5027C-I E6747 and TLV4961-1KU, the TLE5027CE6747HAMA4 provides plug-and-play direction detection, reduced system-level component count, and guaranteed EMC performance out-of-box - critical for Tier-1 powertrain module qualification timelines.

Availability

TLE5027CE6747HAMA4 is available at Aetrix Electronics and suitable for automotive crankshaft sensing, transmission speed monitoring, and electric power steering motor feedback requiring stable component supply across extended temperature and harsh EMC environments.

Supply support for TLE5027CE6747HAMA4 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 ICs, and sensor solutions, with global manufacturing and R&D centers.

The TLE5027 belongs to Infineon's magnetic sensor product line, designed specifically for high-reliability rotational sensing in automotive powertrain and industrial motion control where precision, temperature resilience, and EMC robustness are mandatory.

FAQ

What is the maximum recommended airgap for TLE5027CE6747HAMA4 with a standard ferrite back-bias magnet?

The device supports up to 2.5 mm airgap with a properly sized ferrite magnet (e.g., grade Y30, 10 mm diameter × 3 mm thick). Performance validation requires measurement under worst-case temperature (−40 °C and +175 °C) and mechanical run-out conditions per ISO 16750-4. Airgap margin degrades linearly beyond 2.5 mm, risking missed edges at low speeds.

Does TLE5027CE6747HAMA4 require external decoupling capacitors?

No - it integrates a 47 nF capacitor between Vs and GND and a 4.7 nF capacitor between Q and GND inside the PG-SSO-3-92 package. These are optimized for micro-cut immunity and CISPR 25 Class 5 compliance. Adding external capacitors may destabilize the internal regulation loop and is not recommended.

How does the adaptive hysteresis algorithm respond to mechanical vibration?

The algorithm continuously monitors magnetic field slew rate and noise amplitude across successive edges, adjusting hysteresis thresholds in real time to suppress false triggers caused by vibration-induced field oscillation. This is verified per ISO 16750-3 shock/vibration profiles and maintains <1% edge jitter at 5 g RMS vibration up to 2 kHz.

Can TLE5027CE6747HAMA4 be used with non-magnetic encoder wheels?

No - it requires either a ferromagnetic gear wheel (e.g., steel spur gear) or a magnetic encoder wheel with alternating N/S poles. Non-magnetic targets produce insufficient field modulation for GMR detection. A back-bias magnet is mandatory for ferrous gears; magnetic wheels operate without external bias but require precise pole pitch matching to sensor sensitivity.