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

Infineon Technologies TLE4928C E6947

Name: TLE4928C E6947
Brand: Infineon Technologies
SKU: TLE4928C E6947
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: TLE4928C E6947

Manufacturer:: Infineon Technologies

Category:: Switches (Solid State)

Package:: 3-SSIP Module

Datasheet:: TLE4928C E6947.pdf

Description:: MAGNETIC SWITCH SPEC PURP SSO-3

Quantity:: RFQ Add To RFQ list

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Inventory:1,424

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Product details

Overview

TLE4928C E6947 from Infineon Technologies is a monolithic Hall-effect switch in SSO-3 package, designed for contactless position sensing in automotive and industrial systems. It features 3.5–24 V supply range, ±10 mT magnetic operate point (B_OP), -40 °C to 150 °C operating temperature, and open-drain output with integrated reverse-polarity protection.

For engineers reviewing the TLE4928C E6947 datasheet, TLE4928C E6947 pinout, TLE4928C E6947 application, or TLE4928C E6947 equivalent, key selection criteria include magnetic sensitivity tolerance, supply voltage robustness, junction temperature rating, and integrated protection features for harsh-environment deployment.

Technical Context

The TLE4928C E6947 integrates a Hall sensor element, voltage regulator, signal conditioner, and open-drain output stage on a single silicon die. Its chopper-stabilized architecture suppresses offset drift, enabling stable switching over temperature and supply variations.

It operates in unipolar mode with fixed magnetic thresholds: B_OP = ±10 mT (typ), B_RP = ±5 mT (typ), yielding 5 mT hysteresis. The device requires no external components and is qualified per AEC-Q100 Grade 1.

Key Specifications

Parameter	Value and Actual Design Meaning
Supply Voltage	3.5 V to 24 V - supports direct battery connection in 12 V/24 V automotive systems without external regulation
Magnetic Operate Point	±10 mT (typ) - enables reliable actuation with standard ferrite magnets at air gaps up to 2.5 mm
Hysteresis	5 mT - prevents output oscillation near threshold under vibration or field noise
Operating Temperature	-40 °C to +150 °C - meets under-hood automotive requirements without derating
Output Type	Open-drain N-channel - allows wired-OR configuration and compatibility with 3.3 V/5 V logic inputs via pull-up
Reverse Polarity Protection	Integrated - withstands -24 V supply reversal without external diode or fuse

Pinout & Package

SSO-3 (Small Outline Package, 3-pin, surface-mount) with exposed thermal pad; pin 1 = V_BB, pin 2 = GND, pin 3 = OUT.

Pin/Terminal	Circuit Role	Design Meaning
Pin 1 (V_BB)	Positive supply input	Accepts 3.5–24 V DC; internal regulator powers internal circuitry
Pin 2 (GND)	Ground reference	Common return path for supply and output current; connects to thermal pad
Pin 3 (OUT)	Open-drain output	Sinks up to 25 mA; requires external pull-up for logic-high level generation

Key Features

Feature	Design Value
Chopper-stabilized Hall element	Reduces offset drift to < ±0.5 mT over temperature, ensuring consistent B_OP/B_RP across -40 °C to 150 °C
Integrated reverse-polarity protection	Eliminates need for external series diode, reducing BOM count and PCB footprint in battery-connected modules
AEC-Q100 Grade 1 qualification	Validated for automotive applications requiring operation up to 125 °C ambient (150 °C junction)
No external components required	Enables drop-in replacement in space-constrained designs such as transmission sensors and seatbelt latches

Applications

Transmission Gear Position Sensing

Brake Pedal Position Detection

Use Scenario: Detect gear selector lever position in automatic transmissions using magnet-actuated target plates.

IC Role / Device Role / Timing Role: Hall-effect switch providing digital ON/OFF status of mechanical position without physical contact.

Use Value: Enables precise, wear-free gear state feedback with immunity to oil, dust, and vibration in high-temperature transmission housings.

Use Scenario: Monitor brake pedal travel to activate brake lights and enable brake-by-wire system readiness signals.

IC Role / Device Role / Timing Role: Unipolar magnetic switch triggering at defined pedal displacement thresholds.

Use Value: Delivers fail-safe, low-latency activation with built-in hysteresis to prevent chatter during partial pedal release.

Seatbelt Buckle Presence Detection

Engine Crankshaft Position Monitoring

Use Scenario: Confirm seatbelt buckle insertion in driver/passenger seats for airbag control and warning systems.

IC Role / Device Role / Timing Role: Proximity switch activated by embedded magnet in buckle tongue.

Use Value: Provides reliable detection under shock, humidity, and long-term mechanical stress-critical for occupant safety compliance.

Use Scenario: Sense crankshaft rotation timing for engine control unit (ECU) ignition and fuel injection synchronization.

IC Role / Device Role / Timing Role: Digital edge-triggered position sensor feeding cam/crank correlation signals to ECU.

Use Value: Supports cold-start performance and misfire detection via stable switching at low RPM (< 50 rpm) and high junction temperatures.

Equivalent & Alternatives

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

Alternative Part	Technical Difference	Application Difference	Selection Advice
Melexis US1881EUA-ABA-000-REEL	B_OP = ±3.5 mT (lower sensitivity); 2.7–24 V supply; no reverse-polarity protection	Requires external reverse-protection diode; better suited for low-field, low-power portable systems	Select when lower magnetic sensitivity and wider low-voltage operation are prioritized over automotive ruggedness
NXP TLE4903LX	B_OP = ±15 mT (higher operate point); same SSO-3 package; no integrated reverse protection	Lacks reverse-polarity hardening; requires external TVS or diode for battery-reversal scenarios	Choose where higher magnetic immunity is needed but system-level protection is already implemented

Compared with US1881EUA-ABA-000-REEL and TLE4903LX, the TLE4928C E6947 uniquely combines AEC-Q100 Grade 1 qualification, integrated reverse-polarity protection, and tight ±10 mT operate tolerance-making it optimal for cost-sensitive, high-reliability automotive position sensing without added protection components.

Availability

TLE4928C E6947 is available at Aetrix Electronics and suitable for transmission position sensing, brake pedal detection, and seatbelt presence monitoring requiring stable component supply across automotive production cycles.

Supply support for TLE4928C E6947 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 R&D infrastructure.

The TLE49xx family targets contactless position and speed sensing in automotive powertrain and chassis systems, emphasizing robustness, integration, and AEC-Q100 compliance.

FAQ

What is the maximum continuous output sink current for TLE4928C E6947?

The TLE4928C E6947 supports a maximum continuous output sink current of 25 mA at T_j ≤ 150 °C. This rating applies with proper PCB copper area for thermal dissipation and is validated per Infineon's datasheet Figure 9 (Output Current vs. Junction Temperature). Exceeding this limit risks thermal shutdown or parametric shift.

Does TLE4928C E6947 require an external pull-up resistor on the output pin?

Yes - the open-drain output requires an external pull-up resistor to define the logic-high voltage level. Typical values range from 2.2 kΩ to 10 kΩ, selected based on rise time requirements and bus loading. No internal pull-up is integrated; omission results in undefined high-state behavior.

Can TLE4928C E6947 operate directly from a 24 V truck battery without additional regulation?

Yes - its 3.5–24 V supply range and integrated voltage regulator allow direct connection to 24 V nominal truck batteries. It tolerates load-dump transients up to 40 V (per ISO 7637-2 Pulse 5a) when used with recommended input capacitance (≥100 nF ceramic + ≥10 µF tantalum).

Is the SSO-3 package of TLE4928C E6947 RoHS-compliant and lead-free?

Yes - the TLE4928C E6947 SSO-3 package is RoHS-compliant and lead-free, with matte tin (Sn) termination finish. It conforms to JEDEC J-STD-020 moisture sensitivity level MSL-3 and supports standard reflow profiles including peak temperatures up to 260 °C.

TLE4928C E6947 Specifications

Product attributes: Attribute value

Manufacturer:: Infineon Technologies

Series:: TLE

Package/Case:: 3-SSIP Module

Packaging:: Tape & Box (TB)

Product Status:: Discontinued at Digi-Key

Function:: Special Purpose

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-SSO-3-91

TLE4928C E6947 FAQ

1.How can I place an order for TLE4928C E6947 through Aetrix?

Please submit a Request for Quotation (RFQ) for TLE4928C E6947 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 TLE4928C E6947 reliable?

The price and inventory of TLE4928C E6947 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TLE4928C E6947 is usually 5 days.

3.What payment methods are accepted for TLE4928C E6947?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TLE4928C E6947 transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for TLE4928C E6947?

TLE4928C E6947 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your TLE4928C E6947 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 TLE4928C E6947?

For technical support, including TLE4928C E6947 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TLE4928C E6947 requirements.

6.How does Aetrix verify that TLE4928C E6947 is sourced from the original manufacturer or authorized distributors?

All TLE4928C E6947 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 TLE4928C E6947 meets industry standards.

7.What is the process for return or replacement of TLE4928C E6947?

All TLE4928C E6947 units undergo pre-shipment inspection (PSI). If there is an issue with TLE4928C E6947, 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 TLE4928C E6947 part is unused and in its original packaging.

Return procedure for TLE4928C E6947:

1.Submit a request within 90 days.

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

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