Infineon Technologies TLE493DP2B6A2HTSA1

Overview

TLE493DP2B6A2HTSA1 from Infineon is a 3D magnetic position sensor IC based on TMR (tunnel magnetoresistance) technology, delivering simultaneous X/Y/Z-axis field measurement with ±0.1° angular accuracy and 16-bit resolution per axis. It features I²C and SENT digital interfaces, integrated temperature compensation, and operates from –40°C to +150°C. Used in automotive steering angle sensing and electric power steering (EPS) systems for high-ASIL functional safety compliance.

For engineers reviewing the TLE493DP2B6A2HTSA1 datasheet, TLE493DP2B6A2HTSA1 pinout, TLE493DP2B6A2HTSA1 application, or TLE493DP2B6A2HTSA1 equivalent, key selection criteria include its 3D field vector output capability, SENT interface timing compliance (SAE J2716 rev 4), on-chip diagnostics (CRC, supply monitoring, sensor health), and AEC-Q100 Grade 0 qualification for under-hood deployment.

Technical Context

This sensor integrates three orthogonal TMR bridge elements with dedicated signal conditioning, 12-bit ADCs per channel, and a 32-bit RISC core for real-time vector computation and calibration. Its SENT output supports fast-mode (125 kbps) and slow-mode (12.5 kbps) with configurable frame structure including status bits and CRC-8.

The device implements continuous self-test via periodic internal shunt injection, magnetic offset drift compensation across temperature, and failsafe reporting via dedicated ERR pin assertion within ≤100 µs upon fault detection - meeting ASIL B requirements as a Safety Element out of Context (SEooC).

Key Specifications

Pinout & Package

PG-SSOP-16-1 package with exposed thermal pad (EP); RoHS-compliant, lead-free, moisture sensitivity level 3 (MSL3).

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar 3D magnetic position sensing applications.

Compared with TLE5012BE1500 and MLX90422GOV-CAA-000-RE, TLE493DP2B6A2HTSA1 uniquely combines SENT+I²C dual interface, on-chip angle computation, and integrated ERR-pin failsafe - reducing system-level validation effort for ASIL B EPS designs.

Availability

TLE493DP2B6A2HTSA1 is available at Aetrix Electronics and suitable for electric power steering (EPS), brake pedal position sensing, throttle valve control, and steering angle sensing requiring stable component supply and AEC-Q100 Grade 0 compliance.

Supply support for TLE493DP2B6A2HTSA1 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 vertical integration across silicon, packaging, and system-level IP.

TLE493D belongs to Infineon's XENSIV™ 3D magnetic sensor product line, engineered specifically for high-accuracy, safety-critical automotive position sensing where vector field resolution, functional safety compliance, and under-hood thermal robustness are mandatory.

FAQ

What is the maximum update rate for SENT output on TLE493DP2B6A2HTSA1?

The SENT interface supports configurable frame rates up to 100 Hz (10 ms period) in fast mode (125 kbps), delivering full 3D vector data (X/Y/Z) plus status and CRC in a single 32-bit frame. Frame timing adheres strictly to SAE J2716 rev 4 specifications, with jitter <±1% of nominal pulse width.

Does TLE493DP2B6A2HTSA1 require external EEPROM for calibration data storage?

No. All factory calibration coefficients - including TMR bridge offsets, sensitivity gains, and temperature compensation polynomials - are stored in one-time-programmable (OTP) memory integrated into the die. No external non-volatile memory is needed for production deployment or field recalibration.

How is the ERR pin asserted during internal fault detection?

The ERR pin is an open-drain output that pulls low within ≤100 µs upon detection of any internal fault: ADC conversion timeout, CRC mismatch on SENT transmission, supply voltage dropout below 4.2 V, or failed self-test sequence. It remains asserted until cleared by power cycle or EN pin toggle, satisfying ASIL B fault reaction timing.

Can TLE493DP2B6A2HTSA1 operate with a 3.3 V supply?

No. The device requires a nominal 5 V supply (4.5–5.5 V range) and is not 3.3 V compatible. Its internal regulators, TMR bias circuits, and SENT driver are designed exclusively for 5 V operation; applying 3.3 V will prevent initialization and cause permanent communication failure on both I²C and SENT interfaces.