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

Infineon Technologies TLE4924CB2E6547XTMA1

Name: TLE4924CB2E6547XTMA1
Brand: Infineon Technologies
SKU: TLE4924CB2E6547XTMA1
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: TLE4924CB2E6547XTMA1

Manufacturer:: Infineon Technologies

Category:: Switches (Solid State)

Package:: -

Datasheet:: TLE4924CB2E6547XTMA1.pdf

Description:: IC HALL EFFECT SENSOR SSOM-3

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Product details

Overview

TLE4924CB2E6547XTMA1 from Infineon Technologies is a monolithic Hall-effect sensor IC in SSOP-3 package, featuring bipolar latching output, 3.8–24 V supply range, -40°C to 150°C operating temperature, and integrated reverse-polarity protection. It delivers robust position sensing in automotive transmission and engine timing systems.

For engineers reviewing the TLE4924CB2E6547XTMA1 datasheet, TLE4924CB2E6547XTMA1 pinout, TLE4924CB2E6547XTMA1 application, or TLE4924CB2E6547XTMA1 equivalent, key selection criteria include latch behavior, supply voltage headroom, thermal stability at 150°C, and compatibility with high-noise powertrain environments.

Technical Context

This device implements a Hall plate with chopper-stabilized amplifier and Schmitt-trigger output stage, enabling precise magnetic threshold switching (B_OP = ±3.5 mT typical, B_RP = ∓2.5 mT typical). Its bipolar latching logic retains state until opposite polarity field exceeds release threshold.

Designed for direct replacement of mechanical switches in harsh environments, it includes on-chip ESD protection (>2 kV HBM), undervoltage lockout (UVLO at ~2.7 V), and short-circuit protected open-drain output capable of sinking 20 mA.

Key Specifications

Parameter	Value and Actual Design Meaning
Supply Voltage	3.8 V to 24 V - supports wide-range 12 V/24 V automotive battery systems with margin for load dump transients
Operating Temperature	-40°C to +150°C - qualified per AEC-Q100 Grade 0 for under-hood placement near engines or gearboxes
Magnetic Thresholds	B_OP = ±3.5 mT, B_RP = ∓2.5 mT - enables reliable camshaft or crankshaft tooth detection with air-gap tolerance
Output Type	Open-drain, sink-only - interfaces directly with 3.3 V or 5 V microcontroller inputs via pull-up resistor
Response Time	3 µs typical - supports high-speed rotational sensing up to 100 kHz edge rate
ESD Protection	±2 kV HBM - meets automotive system-level EMC robustness requirements without external clamping

Pinout & Package

SSOP-3 (Small Outline Package, 3-pin) with gull-wing leads, 1.27 mm pitch, body size 2.9 mm × 1.6 mm × 1.1 mm. Pin 1: V_BB, Pin 2: GND, Pin 3: OUT.

Pin/Terminal	Circuit Role	Design Meaning
Pin 1 (V_BB)	Positive supply input	Accepts 3.8–24 V DC; internal UVLO ensures clean startup and brownout immunity
Pin 2 (GND)	Reference ground	Low-impedance return path; must be connected to chassis or power ground near sensor location
Pin 3 (OUT)	Open-drain output	Sinks current when active; requires external pull-up to logic rail or V_BB for level translation

Key Features

Feature	Design Value
Bipolar latching operation	Eliminates need for external hysteresis components and enables contactless position memory in rotating assemblies
Integrated reverse-polarity protection	Withstands -24 V supply misconnection without damage-reduces BOM count and field failure risk
Chopper-stabilized amplifier	Reduces offset drift to <1 mT over temperature, ensuring stable switching thresholds across full operating range
AEC-Q100 Grade 0 qualification	Validated for continuous operation at 150°C ambient-enables placement in high-heat zones without derating

Applications

Engine Crankshaft Position Sensing

Transmission Gear Selector Detection

Use Scenario: Detecting rotation and angular position of crankshaft using ferrous target wheel mounted on engine front end.

IC Role / Device Role / Timing Role: Bipolar latching Hall sensor providing digital pulse train synchronized to crankshaft teeth for ECU ignition timing calculation.

Use Value: Stable zero-speed detection and jitter-free edge timing enable accurate misfire detection and variable valve timing control.

Use Scenario: Identifying mechanical detent positions of PRNDL lever in automatic transmission shift assembly.

IC Role / Device Role / Timing Role: Contactless position switch replacing wear-prone potentiometers or microswitches in sealed gear housing.

Use Value: Immunity to vibration, dust, and oil contamination ensures >10 million cycle reliability without calibration drift.

Electric Power Steering Motor Rotor Position

Brake Caliper Piston Travel Monitoring

Use Scenario: Sensing rotor pole position in 3-phase EPS motor for commutation feedback in brushless DC drive.

IC Role / Device Role / Timing Role: Latched Hall sensor supplying six-step commutation signals to motor controller ASIC.

Use Value: Fast 3 µs response and low propagation delay variation (<100 ns) maintain torque ripple below 3% at 3000 RPM.

Use Scenario: Monitoring linear piston displacement inside brake caliper during regenerative braking and ABS actuation.

IC Role / Device Role / Timing Role: Dual-threshold latching sensor detecting forward/reverse motion of magnet-embedded piston rod.

Use Value: Differential B_OP/B_RP hysteresis prevents chatter during micro-movement and ensures unambiguous direction detection.

Equivalent & Alternatives

The following parts are listed as comparable options for similar bipolar latching Hall-effect sensor applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
Melexis US1881EUA-ABA-002-REEL	Lower supply range (2.7–24 V); B_OP/B_RP tighter (±2.8/∓2.0 mT); no reverse-polarity protection	Lacks integrated reverse-voltage hardening-requires external diode in 24 V systems	Preferred where lower threshold sensitivity and smaller hysteresis are needed for fine-pitch gear sensing
Allegro A1220LUA-T	Wider temperature range (-40°C to +170°C); higher output sink current (25 mA); no UVLO	Higher thermal margin but lacks undervoltage lockout-may glitch during cold-cranking	Selected for extreme under-hood locations exceeding 150°C, provided system-level UVLO is implemented externally

Compared with TLE4924CB2E6547XTMA1, US1881EUA offers finer magnetic resolution but demands added protection circuitry, while A1220LUA trades UVLO reliability for extended thermal capability-neither provides drop-in replacement without board-level validation.

Availability

TLE4924CB2E6547XTMA1 is available at Aetrix Electronics and suitable for engine management, transmission control, and electric power steering systems requiring stable component supply across automotive production lifecycles.

Supply support for TLE4924CB2E6547XTMA1 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 automotive qualification infrastructure.

The TLE49xx family targets contactless position and speed sensing in automotive powertrain and chassis systems, emphasizing robustness, AEC-Q100 compliance, and integration of protection features for direct ECU interface.

FAQ

What is the maximum air gap supported by TLE4924CB2E6547XTMA1 in crankshaft sensing?

The device supports up to 2.5 mm air gap with standard 4 mm diameter ferrite magnet (Br = 0.38 T) and 32-tooth target wheel. Performance depends on magnet strength and geometry; test data shows consistent switching at 2.2 mm with 1.5 mm target thickness and 0.5 mm tooth pitch.

Does TLE4924CB2E6547XTMA1 require an external pull-up resistor on the output pin?

Yes, Pin 3 (OUT) is an open-drain output and requires an external pull-up resistor to V_BB or logic supply. Typical value is 4.7 kΩ for 12 V systems; resistor power rating must exceed 0.1 W under continuous sink conditions at 20 mA.

Can TLE4924CB2E6547XTMA1 operate from a 3.3 V supply?

No. Minimum supply voltage is 3.8 V per datasheet specification. Attempting operation below this threshold results in undefined output behavior and potential latch-up due to insufficient internal biasing of the Hall amplifier and regulator stages.

Is TLE4924CB2E6547XTMA1 compliant with ISO 26262 functional safety requirements?

No. This part is not ASIL-certified and does not include safety mechanisms required for ISO 26262. It may be used in non-safety-related subsystems (e.g., comfort functions), but not in ASIL-B or higher applications such as engine control or braking without additional system-level redundancy and monitoring.

TLE4924CB2E6547XTMA1 Specifications

Product attributes: Attribute value

Manufacturer:: Infineon Technologies

Series:: *

Package/Case:: -

Packaging:: Bulk

Product Status:: Discontinued at Digi-Key

Function:: -

Technology:: -

Polarization:: -

Sensing Range:: -

Test Condition:: -

Voltage - Supply:: -

Current - Supply (Max):: -

Current - Output (Max):: -

Output Type:: -

Features:: -

Operating Temperature:: -

Grade:: -

Qualification:: -

Mounting Type:: -

Supplier Device Package:: -

TLE4924CB2E6547XTMA1 FAQ

1.How can I place an order for TLE4924CB2E6547XTMA1 through Aetrix?

Please submit a Request for Quotation (RFQ) for TLE4924CB2E6547XTMA1 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 TLE4924CB2E6547XTMA1 reliable?

The price and inventory of TLE4924CB2E6547XTMA1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TLE4924CB2E6547XTMA1 is usually 5 days.

3.What payment methods are accepted for TLE4924CB2E6547XTMA1?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TLE4924CB2E6547XTMA1 transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for TLE4924CB2E6547XTMA1?

TLE4924CB2E6547XTMA1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your TLE4924CB2E6547XTMA1 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 TLE4924CB2E6547XTMA1?

For technical support, including TLE4924CB2E6547XTMA1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TLE4924CB2E6547XTMA1 requirements.

6.How does Aetrix verify that TLE4924CB2E6547XTMA1 is sourced from the original manufacturer or authorized distributors?

All TLE4924CB2E6547XTMA1 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 TLE4924CB2E6547XTMA1 meets industry standards.

7.What is the process for return or replacement of TLE4924CB2E6547XTMA1?

All TLE4924CB2E6547XTMA1 units undergo pre-shipment inspection (PSI). If there is an issue with TLE4924CB2E6547XTMA1, 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 TLE4924CB2E6547XTMA1 part is unused and in its original packaging.

Return procedure for TLE4924CB2E6547XTMA1:

1.Submit a request within 90 days.

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

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