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Home > Products > Sensors, Transducers > Magnetic Sensors > Switches (Solid State)

Infineon Technologies TLE4986CBXTNF27XTMA1

Name: TLE4986CBXTNF27XTMA1
Brand: Infineon Technologies
SKU: TLE4986CBXTNF27XTMA1
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: TLE4986CBXTNF27XTMA1

Manufacturer:: Infineon Technologies

Category:: Switches (Solid State)

Package:: 3-SIP Module

Datasheet:: TLE4986CBXTNF27XTMA1.pdf

Description:: SPEED SENSORS

Quantity:: RFQ Add To RFQ list

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Inventory:14,551

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Product details

Overview

TLE4986CBXTNF27XTMA1 from Infineon Technologies is a programmable Hall-effect speed and direction sensor IC with integrated signal conditioning, 3-wire interface, ±1% speed accuracy over -40°C to 150°C, and AEC-Q100 Grade 0 qualification. It serves as a crankshaft/camshaft position sensor in engine management systems for gasoline and diesel powertrains.

For engineers reviewing the TLE4986CBXTNF27XTMA1 datasheet, TLE4986CBXTNF27XTMA1 pinout, TLE4986CBXTNF27XTMA1 application, or TLE4986CBXTNF27XTMA1 equivalent, key selection criteria include differential magnetic field sensing range (±20 mT), programmable hysteresis (1–10 mT), output polarity inversion capability, and fail-safe diagnostic reporting via status pin.

Technical Context

This sensor implements a chopper-stabilized Hall plate with analog front-end amplification, digital signal processing for edge detection and direction decoding, and a current-output driver stage. It supports both unipolar and bipolar magnetic field transitions and delivers real-time rotational direction via pulse-width modulation on the OUT pin.

The device features embedded diagnostics including supply voltage monitoring, overtemperature shutdown, and magnetic field saturation detection. Its internal EEPROM stores user-programmed parameters such as hysteresis, output polarity, and direction logic, retained across power cycles without external memory.

Key Specifications

Parameter	Value and Actual Design Meaning
Supply Voltage	4.5 V to 27 V - operates directly from automotive battery rail without external regulator
Magnetic Field Range	±20 mT - enables robust operation with standard ferrous targets at air gaps up to 2.5 mm
Speed Accuracy	±1% - ensures precise crankshaft timing for closed-loop fuel injection control
Operating Temperature	−40°C to +150°C - qualified for under-hood engine compartment mounting
Output Type	Current-sink, 3-wire (V_BB, GND, OUT) - compatible with standard ECU input circuitry
Diagnostic Interface	Status pin with open-drain output - reports fault conditions including overtemp and supply undervoltage
Programmability	EEPROM-based configuration - allows field calibration of hysteresis and direction logic without hardware change

Pinout & Package

Package: PG-SSO-3-1 (leadless, exposed thermal pad, 3-pin SSO package, 2.9 mm × 2.5 mm footprint).

Pin/Terminal	Circuit Role	Design Meaning
V_BB	Supply input	Accepts 4.5–27 V DC; includes reverse-polarity and overvoltage protection
GND	Ground reference	Low-impedance return path for sensor core and output driver; tied to thermal pad
OUT	Current-output signal	Sinks up to 12 mA; encodes speed and direction via pulse width and edge timing

Key Features

Feature	Design Value
Differential Hall sensing	Rejects common-mode stray fields and mechanical vibration-induced noise
Direction detection	Outputs quadrature-like timing shift between rising/falling edges for true bi-directional rotation
Fail-safe diagnostics	Real-time reporting of supply faults, overtemperature, and magnetic saturation via dedicated status pin
EEPROM configuration	Enables post-manufacture tuning of hysteresis, polarity, and direction logic without firmware update
AEC-Q100 Grade 0	Qualified for automotive safety-critical applications with 15-year lifetime reliability target

Applications

Engine Crankshaft Sensing

Transmission Input Shaft Sensing

Use Scenario: Detecting crankshaft angular position and rotational speed in inline-4 gasoline engines.

IC Role / Device Role / Timing Role: Primary timing reference for ignition spark and fuel injection event synchronization.

Use Value: ±1% speed accuracy enables precise dwell time calculation and knock control loop stability.

Use Scenario: Monitoring input shaft rotation in 8-speed automatic transmissions with torque converter lock-up.

IC Role / Device Role / Timing Role: Provides real-time gear ratio feedback to transmission control unit for shift scheduling.

Use Value: Differential sensing rejects gearbox housing vibration, reducing false zero-crossing errors during high-torque shifts.

Camshaft Position Sensing

Electric Power Steering Motor Rotor Sensing

Use Scenario: Phasing intake/exhaust valve timing in variable valve timing (VVT) systems.

IC Role / Device Role / Timing Role: Delivers cam phase angle relative to crankshaft for VVT actuator control.

Use Value: Programmable hysteresis prevents chatter during low-RPM cam lobe transitions.

Use Scenario: Commutation feedback for 3-phase brushless motor in column-assist EPS systems.

IC Role / Device Role / Timing Role: Supplies rotor position pulses to motor controller for six-step commutation sequencing.

Use Value: 150°C operating limit allows direct mounting on motor housing without heatsink.

Equivalent & Alternatives

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

Alternative Part	Technical Difference	Application Difference	Selection Advice
Melexis MLX92292ESE-AAA-000-RE	2-wire current-loop interface; no EEPROM; fixed hysteresis (5 mT)	Lacks programmability and status pin diagnostics; requires external pull-up for 2-wire mode	Preferred where wiring harness simplification outweighs need for field recalibration
NXP TLE4961-3M	3-wire interface; no direction output; ±1.5% speed accuracy; no EEPROM	Single-direction sensing only; lower accuracy limits use in high-precision VVT control	Cost-optimized choice for non-critical speed-only applications like cooling fan control

Compared with MLX92292 and TLE4961-3M, the TLE4986CBXTNF27XTMA1 uniquely combines direction-aware output, EEPROM-based field programmability, and AEC-Q100 Grade 0 qualification-making it the only option qualified for crankshaft sensing in Euro 7-compliant powertrain ECUs.

Availability

TLE4986CBXTNF27XTMA1 is available at Aetrix Electronics and suitable for engine control units, transmission control modules, and electric power steering systems requiring stable component supply, long-term automotive lifecycle support, and AEC-Q100-compliant sourcing.

Supply support for TLE4986CBXTNF27XTMA1 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 is a German semiconductor manufacturer specializing in power management, automotive electronics, and sensor solutions, with global manufacturing and R&D centers.

The SPEED SENSOR product line delivers highly integrated, AEC-Q100-qualified magnetic sensors for engine, transmission, and chassis control systems-designed specifically for deterministic timing, functional safety compliance (ASIL-B ready), and harsh-environment resilience.

FAQ

What magnetic target types are supported by the TLE4986CBXTNF27XTMA1?

The TLE4986CBXTNF27XTMA1 supports ferrous gear wheels, multi-pole ring magnets, and dual-tone reluctor wheels. Its differential Hall architecture rejects common-mode interference from nearby steel components, enabling reliable operation with air gaps up to 2.5 mm using standard M4 steel targets. Target tooth width and spacing must meet minimum 1.2 mm pitch requirement per Infineon's Application Note AN261.

Does the TLE4986CBXTNF27XTMA1 require an external capacitor for stability?

No external capacitor is required. The device integrates internal supply filtering and ESD protection compliant with ISO 10605 (30 kV air, 15 kV contact). Stability is maintained across the full 4.5–27 V supply range without external decoupling, though a 100 nF ceramic capacitor placed within 5 mm of the V_BB pin is recommended for high-noise engine bay environments per layout guidelines in datasheet section 8.2.

How is direction information encoded on the OUT pin?

Direction is encoded via pulse-width modulation: rising-edge to falling-edge time determines rotational direction (shorter pulse = forward, longer pulse = reverse), while edge-to-edge period determines speed. The status pin remains high during normal operation and pulls low for >10 ms upon detection of overtemperature, supply undervoltage (<4.2 V), or magnetic saturation-enabling ECU-level fault isolation without additional monitoring circuitry.

Can the TLE4986CBXTNF27XTMA1 be reprogrammed in-system?

Yes-programming is performed via the V_BB pin using a defined voltage-modulated protocol (VMP) without requiring dedicated programming hardware. Parameters including hysteresis (1–10 mT), output polarity, and direction logic can be updated in-system using Infineon's TLE4986 Programming Kit (KIT_TLE4986_PROG) and compatible host controller. Reprogramming retains EEPROM data across ≥100,000 write cycles and 15-year data retention at 125°C.

TLE4986CBXTNF27XTMA1 Specifications

Product attributes: Attribute value

Manufacturer:: Infineon Technologies

Series:: -

Package/Case:: 3-SIP Module

Packaging:: Bulk

Product Status:: Discontinued at Digi-Key

Function:: Programmable

Technology:: Hall Effect

Polarization:: -

Sensing Range:: -

Test Condition:: -

Voltage - Supply:: -

Current - Supply (Max):: -

Current - Output (Max):: -

Output Type:: -

Features:: -

Operating Temperature:: -

Grade:: -

Qualification:: -

Mounting Type:: Through Hole

Supplier Device Package:: PG-SSOM-3-21

TLE4986CBXTNF27XTMA1 FAQ

1.How can I place an order for TLE4986CBXTNF27XTMA1 through Aetrix?

Please submit a Request for Quotation (RFQ) for TLE4986CBXTNF27XTMA1 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 TLE4986CBXTNF27XTMA1 reliable?

The price and inventory of TLE4986CBXTNF27XTMA1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TLE4986CBXTNF27XTMA1 is usually 5 days.

3.What payment methods are accepted for TLE4986CBXTNF27XTMA1?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TLE4986CBXTNF27XTMA1 transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for TLE4986CBXTNF27XTMA1?

TLE4986CBXTNF27XTMA1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your TLE4986CBXTNF27XTMA1 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 TLE4986CBXTNF27XTMA1?

For technical support, including TLE4986CBXTNF27XTMA1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TLE4986CBXTNF27XTMA1 requirements.

6.How does Aetrix verify that TLE4986CBXTNF27XTMA1 is sourced from the original manufacturer or authorized distributors?

All TLE4986CBXTNF27XTMA1 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 TLE4986CBXTNF27XTMA1 meets industry standards.

7.What is the process for return or replacement of TLE4986CBXTNF27XTMA1?

All TLE4986CBXTNF27XTMA1 units undergo pre-shipment inspection (PSI). If there is an issue with TLE4986CBXTNF27XTMA1, 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 TLE4986CBXTNF27XTMA1 part is unused and in its original packaging.

Return procedure for TLE4986CBXTNF27XTMA1:

1.Submit a request within 90 days.

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

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