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

Infineon Technologies TLE4928CNE6947HAMA1

Name: TLE4928CNE6947HAMA1
Brand: Infineon Technologies
SKU: TLE4928CNE6947HAMA1
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: TLE4928CNE6947HAMA1

Manufacturer:: Infineon Technologies

Category:: Switches (Solid State)

Package:: -

Datasheet:: TLE4928CNE6947HAMA1.pdf

Description:: MAGNETIC SWITCH BIPOLAR 3SSO

Quantity:: RFQ Add To RFQ list

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Inventory:4,426

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Product details

Overview

TLE4928CNE6947HAMA1 from Infineon Technologies is a bipolar Hall-effect magnetic switch in 3-pin SSO package, operating from 4.5 V to 24 V supply, with ±10 mT operate point, -40 °C to 150 °C ambient range, and open-drain output - used for gear tooth sensing in automotive transmission position detection.

For engineers reviewing the TLE4928CNE6947HAMA1 datasheet, TLE4928CNE6947HAMA1 pinout, TLE4928CNE6947HAMA1 application, or TLE4928CNE6947HAMA1 equivalent, key selection factors include magnetic sensitivity tolerance, junction temperature rating, supply voltage range, output configuration, and AEC-Q100 qualification status.

Technical Context

This device integrates a Hall sensor element, voltage regulator, Schmitt trigger, and open-drain NMOS output stage on a single silicon die. It delivers bipolar switching behavior: output turns ON when south pole exceeds +10 mT and OFF when north pole exceeds –10 mT (typical), with hysteresis of 3 mT.

The 3SSO package enables surface-mount mounting directly onto PCBs near rotating ferrous targets. Internal reverse-polarity protection and ESD immunity up to ±4 kV (HBM) support robust operation in harsh automotive environments without external protection components.

Key Specifications

Parameter	Value and Actual Design Meaning
Supply Voltage Range	4.5 V to 24 V - supports direct connection to automotive battery rail with transient tolerance up to 40 V.
Operate Magnetic Flux Density (B_OP)	±10 mT (typ.) - enables reliable switching at standard gear tooth air gaps (0.5–2.0 mm) with common magnets.
Release Magnetic Flux Density (B_RP)	±7 mT (typ.) - provides 3 mT hysteresis to prevent chatter near magnetic threshold.
Ambient Temperature Range	–40 °C to +150 °C - qualified for under-hood placement in automatic transmission control modules.
Output Type	Open-drain NMOS - allows wired-OR configuration and pull-up to any logic-compatible voltage (e.g., 3.3 V or 5 V).
AEC-Q100 Grade	Grade 0 - certified for automotive safety-critical applications requiring >150 °C junction capability.

Pinout & Package

Package: 3-pin SSO (Small Outline Sensor), leadless, thermally enhanced, RoHS-compliant, footprint compatible with standard SOT-23 reflow profiles.

Pin/Terminal	Circuit Role	Design Meaning
V_BB	Supply input	Connects to regulated 4.5–24 V rail; internal reverse-polarity protection active.
GND	Ground reference	Low-impedance return path for sensor core and output stage; tied to substrate thermal pad.
OUT	Open-drain output	Sinks current when active; requires external pull-up; logic-low = magnetic event detected.

Key Features

Feature	Design Value
Bipolar magnetic switching	Responds to both south and north poles - eliminates need for magnet polarity alignment during assembly.
Integrated reverse-polarity protection	Withstands –24 V supply misconnection without damage - reduces BOM count and field failure risk.
High ESD immunity (HBM)	±4 kV rating - ensures reliability during automated PCB handling and end-of-line testing.
Thermal shutdown protection	Auto-recovery circuit disables output above 180 °C junction - prevents latch-up in overheating conditions.

Applications

Transmission Gear Position Sensing

Engine Crankshaft Position Detection

Use Scenario: Monitoring rotational position of gear wheels inside automatic transmissions to determine gear engagement state.

IC Role / Device Role / Timing Role: Bipolar Hall switch providing digital edge-triggered signals synchronized to gear tooth passage.

Use Value: Enables precise shift timing and fault detection without contact wear or optical contamination issues.

Use Scenario: Detecting crankshaft rotation angle and speed for ignition timing and fuel injection control.

IC Role / Device Role / Timing Role: Magnetic zero-speed capable sensor delivering accurate pulse train aligned to crank teeth.

Use Value: Supports start-stop functionality and cold-start performance due to reliable low-RPM signal integrity.

Brake Pedal Position Monitoring

Electric Power Steering (EPS) Motor Rotor Position

Use Scenario: Measuring brake pedal travel to activate brake light and assist braking force modulation.

IC Role / Device Role / Timing Role: Contactless linear-to-digital converter substitute using discrete gear-rack and magnet pair.

Use Value: Eliminates mechanical linkage drift and improves pedal feel consistency over lifetime.

Use Scenario: Sensing rotor position in brushless DC motors used in EPS column-assist systems.

IC Role / Device Role / Timing Role: Commutation feedback sensor enabling six-step trapezoidal motor control.

Use Value: Delivers high angular resolution and jitter-free timing for smooth torque delivery and noise reduction.

Equivalent & Alternatives

The following parts are listed as comparable options for similar bipolar Hall switch applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
TLE4927CSE6947HAMA1	Unipolar operation (only south pole activation); same package and supply range.	Lacks north-pole release - unsuitable where bidirectional target motion occurs.	Select only if system uses unidirectional ferrous target movement and lower cost is prioritized.
TLV4928DQ5HAMA1	Same bipolar function but with push-pull output and wider temp range (–40 °C to +175 °C).	Higher junction temperature rating enables placement closer to hot components like power inverters.	Prefer when board space allows SOT-23-3 footprint and push-pull logic interface is required.

Compared with TLE4928CNE6947HAMA1, the TLE4927 variant lacks bipolar hysteresis needed for oscillatory motion detection, while TLV4928DQ5 offers higher thermal resilience but requires redesign of output termination and logic-level compatibility checks.

Availability

TLE4928CNE6947HAMA1 is available at Aetrix Electronics and suitable for automotive transmission control, engine management systems, and electric power steering modules requiring stable component supply across extended production lifecycles.

Supply support for TLE4928CNE6947HAMA1 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 ICs, and sensor solutions, with global manufacturing and quality certification to IATF 16949.

The TLE49xx family delivers AEC-Q100-qualified Hall-effect switches optimized for contactless position and speed sensing in safety-critical automotive subsystems.

FAQ

What is the maximum continuous supply voltage for TLE4928CNE6947HAMA1?

The absolute maximum continuous supply voltage is 40 V, though normal operation is specified from 4.5 V to 24 V. Transient spikes up to 40 V are tolerated per ISO 7637-2 Pulse 1/2a/5a test profiles, making it suitable for 12 V and 24 V automotive battery systems with load dump events.

Does TLE4928CNE6947HAMA1 require an external pull-up resistor on the OUT pin?

Yes - the open-drain output requires an external pull-up resistor to a logic-compatible voltage (e.g., 3.3 V or 5 V). Typical values range from 2.2 kΩ to 10 kΩ depending on rise time requirements and bus capacitance; no internal pull-up is integrated.

Is TLE4928CNE6947HAMA1 qualified for ASIL-B or higher functional safety levels?

No - while AEC-Q100 Grade 0 qualified and widely used in ASIL-B systems, the device itself does not carry ISO 26262 hardware metrics (FMEDA, SPFM, LFM) or safety manual. System-level safety compliance must be achieved via architectural redundancy or diagnostic software integration.

Can TLE4928CNE6947HAMA1 detect stationary magnetic fields?

No - it is a threshold-based switch, not a linear sensor. It only changes state when the applied magnetic flux crosses ±10 mT (B_OP/B_RP). Static fields below hysteresis will hold the output in its last state; no zero-speed limitation applies to dynamic detection.

TLE4928CNE6947HAMA1 Specifications

Product attributes: Attribute value

Manufacturer:: Infineon Technologies

Series:: -

Package/Case:: -

Packaging:: Bulk

Product Status:: Obsolete

Function:: Bipolar Switch

Technology:: Hall Effect

Polarization:: North Pole, South Pole

Sensing Range:: -

Test Condition:: -

Voltage - Supply:: -

Current - Supply (Max):: -

Current - Output (Max):: -

Output Type:: Open Drain

Features:: -

Operating Temperature:: -

Grade:: -

Qualification:: -

Mounting Type:: -

Supplier Device Package:: -

TLE4928CNE6947HAMA1 FAQ

1.How can I place an order for TLE4928CNE6947HAMA1 through Aetrix?

Please submit a Request for Quotation (RFQ) for TLE4928CNE6947HAMA1 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 TLE4928CNE6947HAMA1 reliable?

The price and inventory of TLE4928CNE6947HAMA1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TLE4928CNE6947HAMA1 is usually 5 days.

3.What payment methods are accepted for TLE4928CNE6947HAMA1?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TLE4928CNE6947HAMA1 transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for TLE4928CNE6947HAMA1?

TLE4928CNE6947HAMA1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your TLE4928CNE6947HAMA1 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 TLE4928CNE6947HAMA1?

For technical support, including TLE4928CNE6947HAMA1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TLE4928CNE6947HAMA1 requirements.

6.How does Aetrix verify that TLE4928CNE6947HAMA1 is sourced from the original manufacturer or authorized distributors?

All TLE4928CNE6947HAMA1 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 TLE4928CNE6947HAMA1 meets industry standards.

7.What is the process for return or replacement of TLE4928CNE6947HAMA1?

All TLE4928CNE6947HAMA1 units undergo pre-shipment inspection (PSI). If there is an issue with TLE4928CNE6947HAMA1, 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 TLE4928CNE6947HAMA1 part is unused and in its original packaging.

Return procedure for TLE4928CNE6947HAMA1:

1.Submit a request within 90 days.

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

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