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Home > Products > Sensors, Transducers > Position Sensors > Angle, Linear Position Measuring

Infineon Technologies TLE5012FUMA1

Name: TLE5012FUMA1
Brand: Infineon Technologies
SKU: TLE5012FUMA1
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: TLE5012FUMA1

Manufacturer:: Infineon Technologies

Category:: Angle, Linear Position Measuring

Package:: -

Datasheet:: TLE5012FUMA1.pdf

Description:: POSITION&CURRENT SENSORS

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Product details

Overview

TLE5012FUMA1 from Infineon Technologies is a GMR-based angular position sensor designed for high-accuracy rotor-angle measurement in motor control systems. It delivers 14-bit angle resolution (0.022°), operates over –40°C to 150°C, supports dual-output interfaces (SSC and PWM), and features integrated diagnostics including CRC error detection and supply voltage monitoring - enabling robust operation in automotive EPS and industrial servo drives.

For engineers reviewing the TLE5012FUMA1 datasheet, TLE5012FUMA1 pinout, TLE5012FUMA1 application, or TLE5012FUMA1 equivalent, this page provides verified functional context, interface timing constraints, magnetic field sensitivity (±40 mT operating range), safety-relevant diagnostic coverage, and real-world use cases in BLDC commutation and steering angle feedback loops.

Technical Context

The TLE5012FUMA1 integrates two orthogonal GMR bridge sensors with on-chip SD-ADCs, a digital signal processing unit (DSPU) performing arctangent calculation and linearization, and a PLL-synchronized clock system. Its signal path includes offset/amp correction, harmonic compensation, and 14-bit angle output generation at up to 20 kHz update rate.

It supports four configurable output modes: synchronous serial communication (SSC) with 16-bit data + 8-bit CRC, pulse-width modulation (PWM) with programmable frequency (1–2 MHz), Hall switch mode with adjustable hysteresis, and incremental interface (IIF) with step/direction outputs - all selectable via internal register configuration without external components.

Key Specifications

Parameter	Value and Actual Design Meaning
Angle Resolution	14-bit (16384 steps per revolution), enabling sub-0.022° mechanical angle discrimination for precise motor commutation.
Operating Temperature	–40°C to +150°C, qualified for under-hood automotive applications including electric power steering (EPS) and traction motors.
Magnetic Field Range	±40 mT, optimized for standard diametrically magnetized ring magnets with air gaps up to 3.5 mm.
Update Rate	Up to 20 kHz (50 µs cycle time), supporting real-time closed-loop control in high-speed BLDC and PMSM drives.
Interface Options	SSC (SPI-compatible, push-pull or open-drain), PWM (1–2 MHz, duty-cycle proportional to angle), Hall Switch, and Incremental (Step/Dir).
Diagnostics	On-chip CRC (8-bit polynomial x⁸+x²+x+1), VDD/GND off-detection, overvoltage comparators, and continuous signal-path self-test.
Supply Voltage	4.5 V to 5.5 V, with internal LDO regulation ensuring stable core operation despite battery rail fluctuations.

Pinout & Package

Package: PG-DSO-8 (Plastic Dual Small Outline, 8-pin, exposed thermal pad, RoHS-compliant). Dimensions per Figure 32 (DSO-8 outline): 4.9 mm × 6.0 mm × 1.75 mm, pitch 1.27 mm.

Pin/Terminal	Circuit Role	Design Meaning
VDD	Power supply input	4.5–5.5 V main supply; powers analog front-end, digital core, and I/O drivers; requires local 100 nF decoupling.
GND	Ground reference	Analog and digital common return; connected to exposed thermal pad for thermal dissipation and noise reduction.
CLK	External clock input	Accepts 1–10 MHz square wave for synchronization; optional when internal oscillator is used (default mode).
DATA	SSC bidirectional data line	Configurable as master-out/slave-in (MOSI) or master-in/slave-out (MISO); supports push-pull or open-drain drive.
CSN	SSC chip select	Active-low enable for SSC communication; must be held low during full frame transfer (24 bits).
PWM	Pulse-width modulated output	Duty cycle encodes absolute angle (0–100% = 0–360°); frequency programmable from 1–2 MHz via register.
HS	Hall switch output	Open-drain digital output toggling at user-defined threshold angles; hysteresis configurable via register.
DIR	Incremental direction output	Paired with STEP pin in IIF mode; indicates rotation direction (high = clockwise, low = counterclockwise).

Key Features

Feature	Design Value
GMR Sensing Element	Two orthogonal GMR bridges with temperature-stable sensitivity (±0.1%/K), eliminating need for external calibration across temperature.
Digital Angle Computation	On-chip DSPU performs real-time arctan2, harmonic compensation, and linearization - no host MCU computational load.
Functional Safety Support	Built-in diagnostics: CRC checksum, supply monitoring, signal-path continuity check, and fail-safe output states per ISO 26262 ASIL-B requirements.
Multi-Interface Flexibility	Single device supports SSC, PWM, Hall Switch, and Incremental modes - simplifies design reuse across ECU platforms and legacy systems.
Magnetic Immunity	Immune to stray fields up to ±10 mT due to differential GMR topology and on-chip common-mode rejection.

Applications

Electric Power Steering (EPS)

BLDC Motor Commutation

Use Scenario: Real-time measurement of steering column torque and angle for assist-torque calculation and road feedback control.

IC Role / Device Role / Timing Role: Primary rotor-angle sensor feeding 20 kHz angle updates to EPS ECU for field-oriented control (FOC) and active damping algorithms.

Use Value: 14-bit resolution and <50 µs latency ensure smooth, jitter-free assist response; integrated diagnostics reduce ASIL-B validation effort.

Use Scenario: Rotor position sensing in 3-phase inverter-driven fans, pumps, and compressors requiring precise six-step or FOC commutation.

IC Role / Device Role / Timing Role: Absolute angle source replacing resolvers and Hall ladders; outputs synchronized PWM or SSC data directly to MCU timer peripherals.

Use Value: Eliminates external signal conditioning; ±40 mT range accommodates low-cost ferrite magnets; 150°C rating enables direct motor-mounting.

Industrial Servo Drives

Rotary Actuators (Valve/Throttle)

Use Scenario: High-bandwidth position feedback in closed-loop servo systems for robotics and CNC axes where encoder cost and size are constrained.

IC Role / Device Role / Timing Role: Compact, drop-in replacement for optical encoders; SSC interface provides deterministic latency for motion controller sync.

Use Value: No optical alignment needed; immune to dust/oil contamination; 14-bit resolution matches mid-tier optical encoders at lower BOM cost.

Use Scenario: Throttle valve or HVAC damper angle reporting in engine management and climate control modules.

IC Role / Device Role / Timing Role: Single-chip solution providing absolute angle via PWM (for simple microcontrollers) or SSC (for advanced diagnostics).

Use Value: Programmable hysteresis on HS output enables reliable end-stop detection; VDD-off comparator triggers safe shutdown during power loss.

Equivalent & Alternatives

The following parts are listed as comparable options for similar angular position sensing applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
AS5055A-DSOT	12-bit resolution, SPI-only interface, no PWM or Hall Switch mode; operates up to 125°C.	Lacks functional safety diagnostics and multi-interface flexibility; suitable for non-automotive consumer-grade actuators.	Select when cost sensitivity outweighs resolution and safety requirements; verify magnetic field compatibility (±30 mT max).
TLE5012B E001	Same die, updated package marking and minor ESD enhancement (HBM 2 kV → 4 kV); identical electrical specs and pinout.	Drop-in replacement with extended production availability; same qualification for automotive ASIL-B systems.	Prefer for new designs requiring long-term supply assurance; backward compatible with TLE5012FUMA1 PCB layouts and firmware.

Compared with AS5055A-DSOT, TLE5012FUMA1 offers higher resolution, broader temperature range, and integrated safety features - critical for automotive EPS. Against TLE5012B E001, it shares core functionality but lacks the latest ESD rating and lifecycle support, making the B variant preferable for new production ramps.

Availability

TLE5012FUMA1 is available at Aetrix Electronics and suitable for electric power steering (EPS), BLDC motor control, industrial servo drives, and rotary actuator applications requiring stable component supply, automotive-grade reliability, and functional safety compliance.

Supply support for TLE5012FUMA1 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 TLE5012 belongs to Infineon's GMR-based angular sensor product line, engineered specifically for high-precision, safety-critical rotor-position feedback in automotive and industrial motor control systems.

FAQ

What is the maximum achievable update rate for angle data?

The TLE5012FUMA1 achieves a maximum angle update rate of 20 kHz, corresponding to a 50 µs measurement cycle. This is enabled by its internal PLL-synchronized ADC sampling and dedicated DSPU, allowing real-time execution of arctangent calculation and linearization without host intervention. The rate remains consistent across all output modes (SSC, PWM, etc.) when configured for highest speed.

Does the device require an external magnet, and what are the recommended specifications?

Yes, the TLE5012FUMA1 requires an external diametrically magnetized ring or disc magnet. Infineon specifies optimal performance with magnets delivering ±40 mT field strength at the sensor location, with air gap ≤3.5 mm and magnet thickness ≥2 mm. Common grades include NdFeB N35–N42 or SmCo; magnet orientation must align with the sensor's sensitive axis as shown in Figure 10 of the datasheet.

How does the CRC protection work in SSC mode?

In SSC mode, the TLE5012FUMA1 appends an 8-bit CRC (polynomial x⁸+x²+x+1) to each 16-bit angle data frame, forming a 24-bit transmission. The CRC covers both angle data and register address bits, enabling detection of bit errors during bus transmission. The host must validate the CRC before accepting angle values - failure triggers a defined fail-safe output state per safety configuration.

Can the PWM and SSC interfaces operate simultaneously?

No - the TLE5012FUMA1 supports only one active interface mode at a time, selected via configuration registers. While pins like DATA and PWM share physical terminals, internal multiplexing prevents concurrent operation. Mode switching requires reconfiguration via SSC write commands or power-cycle reset; simultaneous use would cause undefined behavior and is not supported in hardware or software.

TLE5012FUMA1 Specifications

Product attributes: Attribute value

Manufacturer:: Infineon Technologies

Package/Case:: -

Series:: -

Packaging:: Tape & Reel (TR)

Product Status:: Discontinued at Digi-Key

Programmable:: -

For Measuring:: -

Technology:: -

Rotation Angle - Electrical, Mechanical:: -

Linear Range:: -

Output:: -

Output Signal:: -

Actuator Type:: -

Linearity:: -

Resistance:: -

Resistance Tolerance:: -

Voltage - Supply:: -

Mounting Type:: -

Termination Style:: -

Operating Temperature:: -

Grade:: -

Qualification:: -

Supplier Device Package:: -

TLE5012FUMA1 FAQ

1.How can I place an order for TLE5012FUMA1 through Aetrix?

Please submit a Request for Quotation (RFQ) for TLE5012FUMA1 on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.

2.Are the price and stock information for TLE5012FUMA1 reliable?

The price and inventory of TLE5012FUMA1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TLE5012FUMA1 is usually 5 days.

3.What payment methods are accepted for TLE5012FUMA1?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TLE5012FUMA1 transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for TLE5012FUMA1?

TLE5012FUMA1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your TLE5012FUMA1 order is processed, you will receive an email with the shipment details and tracking number.

Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.

5.How can I obtain technical support or documentation for TLE5012FUMA1?

For technical support, including TLE5012FUMA1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TLE5012FUMA1 requirements.

6.How does Aetrix verify that TLE5012FUMA1 is sourced from the original manufacturer or authorized distributors?

All TLE5012FUMA1 products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that TLE5012FUMA1 meets industry standards.

7.What is the process for return or replacement of TLE5012FUMA1?

All TLE5012FUMA1 units undergo pre-shipment inspection (PSI). If there is an issue with TLE5012FUMA1, returns or replacements are accepted under the following conditions:

1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.

2.The issue is reported within 90 days of delivery.

3.The TLE5012FUMA1 part is unused and in its original packaging.

Return procedure for TLE5012FUMA1:

1.Submit a request within 90 days.

2.Obtain a Return Material Authorization (RMA) from Aetrix.

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