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

Infineon Technologies TLE4927CXAAD47XAMA1

Name: TLE4927CXAAD47XAMA1
Brand: Infineon Technologies
SKU: TLE4927CXAAD47XAMA1
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: TLE4927CXAAD47XAMA1

Manufacturer:: Infineon Technologies

Category:: Switches (Solid State)

Package:: 3-SSIP Module

Datasheet:: TLE4927CXAAD47XAMA1.pdf

Description:: MAGNETIC SWITCH DYN HALL EFFECT

Quantity:: RFQ Add To RFQ list

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Product details

Overview

TLE4927CXAAD47XAMA1 from Infineon Technologies is a dynamic differential Hall effect sensor IC designed for ferromagnetic gear tooth and crankshaft position sensing in automotive powertrain systems. It features integrated 4.7 nF and 47 nF decoupling capacitors, operates from 3.2 V to 26 V, delivers open-drain digital output with ≤0.25 V saturation voltage at 20 mA, and supports air gaps up to 0.5 mm in running mode.

For engineers reviewing the TLE4927CXAAD47XAMA1 datasheet, TLE4927CXAAD47XAMA1 pinout, TLE4927CXAAD47XAMA1 application, or TLE4927CXAAD47XAMA1 equivalent, key selection criteria include differential flux detection capability (∆B = B₁ − B₂), self-calibrating zero-crossing switching in running mode, hidden adaptive hysteresis, ±6 kV HBM ESD rating, and PG-SSO-3-92 surface-mount package compatibility with back-bias magnet integration.

Technical Context

This IC implements a dual-Hall plate architecture that measures differential magnetic flux density (∆B) between two spatially separated Hall elements. Offset cancellation uses digital signal processing, enabling automatic calibration after initial motion detection - transitioning from start-up mode to high-accuracy running mode within a few signal transitions.

In running mode, switching occurs precisely at the arithmetic mean of ∆B's peak-to-peak excursion (zero crossing), delivering phase jitter as low as 0.035°crank over 1000 rotations. The device supports both two-wire (current loop) and three-wire (voltage interface) configurations, with reverse-voltage protection on VS and short-circuit/overtemperature protection on the Q output.

Key Specifications

Parameter	Value and Actual Design Meaning
Supply Voltage	3.2 V to 26 V continuous; enables direct connection to automotive battery rails with series resistor ≥200 Ω for transient limiting
Output Type	Open-drain digital output (Q); sinks up to 20 mA with V_Qsat ≤ 0.25 V - compatible with standard 1.2 kΩ pull-up loads
Frequency Range	DC to 8 kHz; supports crankshaft sensing up to ~4800 RPM with 60-tooth wheel (120 pulses/rev)
Magnetic Sensitivity	\|∆B_min\| = 0.75 mT; ensures reliable switching under weak field conditions or large air gaps
ESD Rating	±6 kV HBM (JEDEC JESD22-A114-B); eliminates need for external ESD protection in typical engine bay layouts
Air Gap	Up to 0.5 mm (measured from branded side to target tooth); validated with ST37 steel wheel at 25°C, no missed pulses
Operating Temperature	−40°C to +175°C junction; qualified for under-hood placement near engines and transmissions

Pinout & Package

The TLE4927CXAAD47XAMA1 is housed in a PG-SSO-3-92 surface-mount package - a 3-pin, single-sided leadframe design with integrated capacitors (4.7 nF between Q–GND and 47 nF between VS–GND). The package features exposed thermal pad for enhanced heat dissipation and is optimized for automated SMT assembly in automotive production environments.

Pin/Terminal	Circuit Role	Design Meaning
Pin 1 (VS)	Supply voltage input	Accepts 3.2–26 V DC; includes reverse-voltage protection - prevents damage if battery polarity is inverted during service
Pin 2 (GND)	Ground reference	Common return path for supply and output; connects to internal 47 nF capacitor (VS–GND) and 4.7 nF capacitor (Q–GND)
Pin 3 (Q)	Digital output (open-drain)	Sinks current to GND when active; requires external pull-up; supports 2-wire current-loop or 3-wire voltage-interface configurations

Key Features

Feature	Design Value
Dynamic self-calibration	Automatically computes ∆B_mean during operation to set zero-crossing threshold - eliminates manual calibration and drift compensation
Hidden adaptive hysteresis	Enabling points (∆B_ENOP, ∆B_ENRP) adjust dynamically to signal amplitude - maintains clean edge timing across varying air gaps and temperature
Integrated capacitors	4.7 nF (Q–GND) and 47 nF (VS–GND) embedded in package - reduces PCB footprint and eliminates external decoupling components
Differential Hall architecture	Two physically separated Hall plates measure ∆B = B₁ − B₂ - rejects common-mode mechanical stress (piezo effects) and thermal gradients
Back-bias flexibility	Supports south- or north-pole pre-induction on rear unmarked side - simplifies mechanical integration with SmCo or NdFeB magnets

Applications

Engine Crankshaft Position Sensing

Transmission Input Shaft Speed Sensing

Use Scenario: Mounted adjacent to a rotating ferromagnetic crankshaft wheel with 60 teeth, detecting angular position and speed for ignition timing and fuel injection control.

IC Role / Device Role / Timing Role: Differential Hall sensor providing zero-crossing-triggered digital pulses synchronized to crankshaft rotation - used as primary timing reference for ECU.

Use Value: Phase jitter ≤0.035°crank ensures sub-degree timing accuracy over 1000+ rotations, critical for closed-loop combustion control under transient load.

Use Scenario: Installed on transmission housing to monitor input shaft speed via gear tooth modulation, feeding real-time data to TCU for shift scheduling and torque converter lockup.

IC Role / Device Role / Timing Role: High-reliability magnetic position sensor operating at up to 8 kHz - delivers deterministic pulse edges despite vibration and thermal cycling.

Use Value: Integrated 47 nF VS–GND capacitor stabilizes supply under load dump transients, preventing false triggering during 24 V battery surges.

Camshaft Phase Detection

Electric Power Steering Motor Rotor Position

Use Scenario: Paired with a 1-tooth or multi-tooth cam sprocket to determine valve timing relative to crankshaft position for variable valve timing (VVT) actuation.

IC Role / Device Role / Timing Role: Differential Hall element measuring ∆B from cam target - provides absolute cam phase information via rising/falling edge correlation with crank signal.

Use Value: Symmetrical switching thresholds and self-calibration maintain consistent edge placement across −40°C to +175°C, enabling robust VVT feedback in cold starts and hot soak.

Use Scenario: Embedded in EPS motor housing to sense rotor position for field-oriented control (FOC) of brushless DC motor, replacing resolvers in cost-sensitive designs.

IC Role / Device Role / Timing Role: Low-latency digital position sensor with 12.5 µs delay time - supports high-bandwidth current loop closure at >10 kHz PWM frequencies.

Use Value: 0.9 µs fall time and 12 µs rise time ensure sharp edges for precise commutation timing, reducing torque ripple below 3% THD.

Equivalent & Alternatives

The following parts are listed as comparable options for similar differential Hall position sensing applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
TLE4927CBXAAD47XAMA1	Includes factory-integrated SmCo back-bias magnet; same IC die and PG-SSO-3-11 package	Eliminates magnet mounting step; optimized for fixed-air-gap applications with known target geometry	Select when mechanical integration constraints prevent discrete magnet placement or require guaranteed field alignment
TLV4927-1E16	Same functional architecture but in smaller PG-SSO-3-11 package; 4.7 nF only (no 47 nF capacitor)	Requires external 47 nF VS–GND capacitor; rated for −40°C to +150°C (not 175°C)	Select for space-constrained modules where full 175°C rating is not required and board area permits external decoupling

Compared with TLE4927CXAAD47XAMA1, the CB variant trades assembly flexibility for guaranteed magnetic biasing, while TLV4927-1E16 reduces package size at the cost of thermal rating and integrated decoupling - making the original optimal for high-temperature, high-integration automotive powertrain nodes.

Availability

TLE4927CXAAD47XAMA1 is available at Aetrix Electronics and suitable for engine crankshaft position sensing, transmission speed monitoring, camshaft phase detection, and electric power steering rotor position applications requiring stable component supply across extended automotive lifecycles.

Supply support for TLE4927CXAAD47XAMA1 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 qualification infrastructure aligned to AEC-Q100 standards.

The TLE4927x family belongs to Infineon's Sense & Control product line, engineered specifically for high-precision, high-reliability magnetic position and speed sensing in harsh automotive environments - emphasizing differential noise immunity, self-calibration, and extended temperature operation.

FAQ

What is the function of the two integrated capacitors in the TLE4927CXAAD47XAMA1 package?

The 4.7 nF capacitor connects Q to GND and filters output noise during fast switching events, while the 47 nF capacitor bridges VS to GND to suppress supply rail transients - both are embedded in the PG-SSO-3-92 package and eliminate the need for external decoupling components on the PCB.

How does the hidden adaptive hysteresis improve performance compared to fixed hysteresis sensors?

Hidden adaptive hysteresis dynamically adjusts enabling points (∆B_ENOP, ∆B_ENRP) based on real-time signal amplitude, maintaining consistent switching behavior across varying air gaps, temperature, and magnet aging - unlike fixed hysteresis, which risks chatter or missed pulses under field degradation.

Can the TLE4927CXAAD47XAMA1 operate without an external back-bias magnet?

No - it requires either an externally mounted permanent magnet (south or north pole on the unmarked rear side) or the factory-integrated magnet version (TLE4927CB). The differential Hall architecture relies on this bias field to generate measurable ∆B from ferromagnetic targets like gear teeth.

What is the significance of the "running mode" versus "start-up mode" behavior?

At power-on, the sensor enters start-up mode and detects motion immediately using default thresholds. After several magnetic transitions, it calculates ∆B_min/∆B_max and switches to running mode - where switching occurs precisely at the zero crossing (∆B_mean) for maximum accuracy and minimal phase jitter.

TLE4927CXAAD47XAMA1 Specifications

Product attributes: Attribute value

Manufacturer:: Infineon Technologies

Series:: -

Package/Case:: 3-SSIP Module

Packaging:: Bulk

Product Status:: Active

Function:: -

Technology:: Hall Effect

Polarization:: North Pole, South Pole

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-3-92

TLE4927CXAAD47XAMA1 FAQ

1.How can I place an order for TLE4927CXAAD47XAMA1 through Aetrix?

Please submit a Request for Quotation (RFQ) for TLE4927CXAAD47XAMA1 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 TLE4927CXAAD47XAMA1 reliable?

The price and inventory of TLE4927CXAAD47XAMA1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TLE4927CXAAD47XAMA1 is usually 5 days.

3.What payment methods are accepted for TLE4927CXAAD47XAMA1?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TLE4927CXAAD47XAMA1 transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for TLE4927CXAAD47XAMA1?

TLE4927CXAAD47XAMA1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your TLE4927CXAAD47XAMA1 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 TLE4927CXAAD47XAMA1?

For technical support, including TLE4927CXAAD47XAMA1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TLE4927CXAAD47XAMA1 requirements.

6.How does Aetrix verify that TLE4927CXAAD47XAMA1 is sourced from the original manufacturer or authorized distributors?

All TLE4927CXAAD47XAMA1 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 TLE4927CXAAD47XAMA1 meets industry standards.

7.What is the process for return or replacement of TLE4927CXAAD47XAMA1?

All TLE4927CXAAD47XAMA1 units undergo pre-shipment inspection (PSI). If there is an issue with TLE4927CXAAD47XAMA1, 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 TLE4927CXAAD47XAMA1 part is unused and in its original packaging.

Return procedure for TLE4927CXAAD47XAMA1:

1.Submit a request within 90 days.

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

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