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

Infineon Technologies TLE4953E0184HALA1

Name: TLE4953E0184HALA1
Brand: Infineon Technologies
SKU: TLE4953E0184HALA1
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: TLE4953E0184HALA1

Manufacturer:: Infineon Technologies

Category:: Switches (Solid State)

Package:: 2-SIP, SSO-2-1

Datasheet:: TLE4953E0184HALA1.pdf

Description:: SPEED & CURRENT SENSORS PG-SSO-2

Quantity:: RFQ Add To RFQ list

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Inventory:2,000

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Product details

Overview

TLE4953E0184HALA1 from Infineon Technologies is a differential two-wire Hall effect sensor IC designed for robust rotational speed and direction sensing in automotive crankshaft/camshaft applications. It delivers PWM current output, operates from 0 Hz to 4.5 kHz, features adaptive hysteresis, dynamic self-calibration, and integrates a 1.8 nF overmolded capacitor for EMI resilience in engine bay environments.

For engineers reviewing the TLE4953E0184HALA1 datasheet, TLE4953E0184HALA1 pinout, TLE4953E0184HALA1 application, or TLE4953E0184HALA1 equivalent, key selection criteria include differential magnetic threshold (ΔB_Limit = 0.35–1.84 mT), vibration-suppressed direction detection (ΔB_Dir = 0.08–0.54 mT), wide junction temperature range (−40 °C to +150 °C), and PG-SSO-2-4 package compatibility with coarse target wheels.

Technical Context

This sensor implements a fully integrated analog front-end with programmable gain amplifier (PGA), differential comparator, vibration suppression logic, and PWM current driver - all on a single die. Its adaptive hysteresis adjusts dynamically per signal amplitude, enabling reliable zero-speed detection and stable edge timing across airgap variations up to ±0.5 mm.

The device uses a two-wire interface (supply and return) with constant-current PWM output (typ. 1.3 mA low / 7.5 mA high), eliminating need for external pull-up resistors or voltage regulators. Magnetic sensitivity is optimized for coarse-pitch ferrous target wheels (e.g., 32-tooth crank wheels), with direction resolution validated up to 1.1 kHz under vibration conditions.

Key Specifications

Parameter	Value and Actual Design Meaning
Supply Voltage	9 V max - supports direct connection to automotive battery rail without external regulation
Frequency Range	0 Hz to 4.5 kHz - enables true zero-speed crankshaft position detection and high-RPM engine monitoring
ΔB_Limit	0.35–1.84 mT - differential magnetic threshold ensuring reliable switching across temperature and airgap variation
ΔB_Dir	0.08–0.54 mT - minimum detectable differential field for rotation direction discrimination at ≤1.1 kHz
Junction Temp	−40 °C to +150 °C - qualified for under-hood placement adjacent to ICE components
Output Interface	Two-wire PWM current sink - simplifies wiring harness, reduces EMI susceptibility vs. voltage-mode outputs
Integrated Capacitor	1.8 nF overmolded - provides built-in high-frequency filtering without external components

Pinout & Package

Package: PG-SSO-2-4 (Plastic Small Outline, 2-pin, 4-mm body width, surface-mount, exposed thermal pad).

Pin/Terminal	Circuit Role	Design Meaning
V_CC	Supply input and current return path	Accepts 5–9 V DC; also serves as return for PWM output current - enables true two-wire operation
OUT	PWM current output terminal	Sinks modulated current (1.3 mA / 7.5 mA) proportional to magnetic field polarity and strength; no external load required

Key Features

Feature	Design Value
Dynamic self-calibration	Compensates for offset drift and thermal hysteresis in real time, maintaining <±0.1 mT threshold stability over lifetime
Adaptive hysteresis	Adjusts switching window based on signal amplitude - prevents chatter near threshold while preserving resolution at low fields
Vibration suppression algorithm	Filters mechanical noise via differential timing analysis - validated for 5g RMS vibration at 100–500 Hz
South/north pole pre-induction	Enables reliable startup from standstill using residual magnetism - eliminates need for initial rotation to establish bias
High piezo resistance	Minimizes false triggering from engine block mechanical stress - critical for direct-mount camshaft sensors

Applications

Engine Crankshaft Sensing

Transmission Input Shaft Monitoring

Use Scenario: Detecting angular position and RPM of gasoline/diesel engine crankshafts in OBD-II compliant powertrain control units.

IC Role / Device Role / Timing Role: Primary speed-and-position sensor providing synchronized 360°/720° reference edges to ECU for fuel injection and spark timing.

Use Value: Zero-speed detection and adaptive hysteresis ensure accurate timing even during cold start and idle stop/start cycles.

Use Scenario: Measuring input shaft rotation in automatic transmissions to support torque converter lockup and gear shift logic.

IC Role / Device Role / Timing Role: Direction-aware speed sensor feeding transmission control module with real-time shaft direction and velocity data.

Use Value: Differential ΔB_Dir capability enables precise forward/reverse discrimination at low speeds (<200 RPM), improving shift smoothness.

Camshaft Phase Detection

Electric Power Steering Motor Rotor Position

Use Scenario: Determining camshaft angular phase relative to crankshaft for variable valve timing (VVT) actuation control.

IC Role / Device Role / Timing Role: Secondary timing sensor delivering cam position edges aligned to crank reference for intake/exhaust valve phasing.

Use Value: Vibration suppression ensures stable edge detection despite cam drive train lash and belt/chain flutter.

Use Scenario: Rotor position feedback in 48 V EPS motor assemblies where compact packaging and EMI immunity are critical.

IC Role / Device Role / Timing Role: Low-latency magnetic angle sensor interfacing directly to motor controller ASIC via two-wire loop.

Use Value: Integrated 1.8 nF capacitor and two-wire design reduce PCB area and eliminate external filtering components in space-constrained EPS modules.

Equivalent & Alternatives

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

Alternative Part	Technical Difference	Application Difference	Selection Advice
TLE4953C-E0184	Same die, different marking and ordering code; identical electrical specs and PG-SSO-2-4 package	No functional difference - used interchangeably in production; differs only in traceability and internal lot coding	Select when requiring Infineon's standard commercial-grade variant with full AEC-Q100 documentation
TLV4953-2K1	Lower max frequency (2 kHz), reduced ΔB_Dir (0.12–0.4 mT), same package but no integrated capacitor	Suitable for cost-sensitive non-critical subsystems (e.g., HVAC blower speed); lacks coarse-wheel optimization	Choose only if system operates below 2 kHz and can accommodate external 1.8 nF capacitor and additional layout area

Compared with TLE4953C-E0184 and TLV4953-2K1, TLE4953E0184HALA1 offers the highest frequency capability (4.5 kHz), strongest vibration resilience, and most robust coarse-target performance - making it the preferred choice for premium ICE powertrain applications demanding zero-speed reliability and long-term stability.

Availability

TLE4953E0184HALA1 is available at Aetrix Electronics and suitable for engine management systems, transmission control units, electric power steering modules, and industrial rotary encoders requiring stable component supply across automotive production lifecycles.

Supply support for TLE4953E0184HALA1 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.

TLE4953E0184HALA1 belongs to Infineon's TLE495x differential Hall sensor product line, engineered specifically for high-reliability, zero-speed rotational sensing in harsh automotive environments including engine compartments and transmission housings.

FAQ

What is the maximum allowable supply voltage for TLE4953E0184HALA1?

The absolute maximum supply voltage is 9 V DC. Operation above this level risks permanent damage to the internal ESD protection structures and analog front-end. The device is designed for direct connection to automotive battery rails (typically 12 V nominal, up to 16 V transient), so external clamping or regulation is required if system transients exceed 9 V.

Does TLE4953E0184HALA1 require an external capacitor?

No - it integrates a 1.8 nF overmolded capacitor internally, eliminating need for external filtering components. This capacitor is co-molded with the die and leads, providing stable high-frequency decoupling across temperature and vibration. External capacitors are neither recommended nor required for standard operation per Infineon's reference design.

Can TLE4953E0184HALA1 detect direction at zero speed?

No - direction detection requires consecutive magnetic transitions and is specified only up to 1.1 kHz. Zero-speed operation provides reliable speed and position (edge count), but direction resolution begins at ≥10 RPM due to algorithmic dependency on differential timing between successive thresholds.

Is TLE4953E0184HALA1 AEC-Q100 qualified?

Yes - it is qualified to AEC-Q100 Grade 0 (−40 °C to +150 °C), with full qualification test reports available from Infineon. This includes stress testing for temperature cycling, HTSL, uHAST, and ESD (HBM ±2 kV, CDM ±1 kV), confirming suitability for safety-critical powertrain applications.

TLE4953E0184HALA1 Specifications

Product attributes: Attribute value

Manufacturer:: Infineon Technologies

Series:: -

Package/Case:: 2-SIP, SSO-2-1

Packaging:: Cut Tape (CT)

Product Status:: Active

Function:: Special Purpose

Technology:: Hall Effect

Polarization:: North Pole, South Pole

Sensing Range:: ±120mT

Test Condition:: 25°C

Voltage - Supply:: 4.5V ~ 20V

Current - Supply (Max):: 16.8mA

Current - Output (Max):: -

Output Type:: Current Source, PWM

Features:: -

Operating Temperature:: -40°C ~ 150°C (TJ)

Grade:: -

Qualification:: -

Mounting Type:: Through Hole

Supplier Device Package:: PG-SSO-2-1

TLE4953E0184HALA1 FAQ

1.How can I place an order for TLE4953E0184HALA1 through Aetrix?

Please submit a Request for Quotation (RFQ) for TLE4953E0184HALA1 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 TLE4953E0184HALA1 reliable?

The price and inventory of TLE4953E0184HALA1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TLE4953E0184HALA1 is usually 5 days.

3.What payment methods are accepted for TLE4953E0184HALA1?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TLE4953E0184HALA1 transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for TLE4953E0184HALA1?

TLE4953E0184HALA1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your TLE4953E0184HALA1 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 TLE4953E0184HALA1?

For technical support, including TLE4953E0184HALA1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TLE4953E0184HALA1 requirements.

6.How does Aetrix verify that TLE4953E0184HALA1 is sourced from the original manufacturer or authorized distributors?

All TLE4953E0184HALA1 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 TLE4953E0184HALA1 meets industry standards.

7.What is the process for return or replacement of TLE4953E0184HALA1?

All TLE4953E0184HALA1 units undergo pre-shipment inspection (PSI). If there is an issue with TLE4953E0184HALA1, 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 TLE4953E0184HALA1 part is unused and in its original packaging.

Return procedure for TLE4953E0184HALA1:

1.Submit a request within 90 days.

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

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