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

Infineon Technologies TLE49611MXTSA1

Name: TLE49611MXTSA1
Brand: Infineon Technologies
SKU: TLE49611MXTSA1
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: TLE49611MXTSA1

Manufacturer:: Infineon Technologies

Category:: Switches (Solid State)

Package:: TO-236-3, SC-59, SOT-23-3

Datasheet:: TLE49611MXTSA1.pdf

Description:: MAGNETIC SWITCH LATCH SOT23-3

Quantity:: RFQ Add To RFQ list

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Inventory:3,000

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Product details

Overview

TLE49611MXTSA1 from Infineon Technologies is a bipolar Hall effect latch IC designed for high-precision position sensing in automotive powertrain and body electronics. It operates from 3.0 V to 32 V supply, features ±2 mT magnetic switching thresholds (BOP/BRP), 0.35 µs typical output jitter, open-drain output, and AEC-Q100 qualified operation from −40°C to +170°C - enabling robust index counting with pole wheels in window lifters and power closing systems.

For engineers reviewing the TLE49611MXTSA1 datasheet, TLE49611MXTSA1 pinout, TLE49611MXTSA1 application, or TLE49611MXTSA1 equivalent, key selection criteria include magnetic threshold stability over temperature, load-dump tolerance up to 42 V without external resistor, reverse polarity protection (−18 V), integrated overcurrent/overtemperature protection, and PG-SOT23-3-15 package compatibility with space-constrained automotive PCB layouts.

Technical Context

The device integrates a spinning Hall probe with chopper-stabilized amplifier, demodulator, low-pass filter, and comparator with hysteresis - delivering stable magnetic switching despite thermal drift. Its oscillator-driven sequencer enables precise timing control of internal bias and compensation circuits, ensuring consistent BOP/BRP tracking across −40°C to +170°C.

Functional block includes voltage regulator, overtemperature/overcurrent protection logic, and open-drain output stage with 100 mA current limit and <0.4 V saturation voltage at 25°C. The sensitive area center is precisely aligned to Pin 2 (Q) per Figure 2, supporting accurate mechanical placement relative to rotating magnets.

Key Specifications

Parameter	Value and Actual Design Meaning
Supply Voltage Range	3.0 V to 32 V - supports direct connection to unregulated automotive battery rails including cold-crank (3 V) and load-dump transients (42 V with no external resistor).
Magnetic Switching Thresholds	BOP = +2 mT, BRP = −2 mT - symmetric bipolar latch behavior enables reliable detection of alternating magnetic poles on gear teeth or pole wheels.
Output Jitter	Typ. 0.35 µs - ensures precise edge timing for high-speed rotation counting (e.g., >10,000 RPM with 64-tooth wheel).
Operating Temperature	−40°C to +170°C - qualified per AEC-Q100 Grade 0, enabling under-hood and transmission-mounted deployment.
ESD Protection	±4 kV HBM - eliminates need for external TVS diodes in most automotive harness environments.
Output Configuration	Open-drain N-channel MOSFET - allows flexible pull-up to any voltage ≤32 V, enabling level-shifting and wired-OR bus configurations.

Pinout & Package

Package: PG-SOT23-3-15 - 3-pin surface-mount plastic package (2.9 mm × 1.3 mm × 1.0 mm), optimized for automated assembly and thermal performance in high-temperature automotive locations.

Pin/Terminal	Circuit Role	Design Meaning
1 (VDD)	Positive supply input	Accepts 3.0–32 V; internal regulator powers all circuitry; reverse polarity protection active down to −18 V.
2 (Q)	Open-drain output	Sinks up to 100 mA; low-state saturation voltage <0.4 V at 25°C; requires external pull-up for logic-high assertion.
3 (GND)	Ground reference	Return path for supply and output current; center of sensitive area aligned beneath this pin per Figure 2.

Key Features

Feature	Design Value
Active error compensation	Chopper-stabilized amplifier and spinning Hall probe reduce offset drift to <0.1 mT over temperature - critical for repeatable zero-crossing detection.
Overvoltage capability	Withstands 42 V transients without external resistor - simplifies design for 12 V/24 V dual-voltage platforms and eliminates load-dump protection components.
Reverse polarity protection	Withstands −18 V applied to VDD - prevents damage during battery misconnection in service or assembly.
Integrated protection	Auto-recovering overcurrent and overtemperature shutdown - maintains system reliability without external fault-handling circuitry.

Applications

Power Window Lift Control

Seat Position Sensing

Use Scenario: Detecting gear tooth passage during motor-driven window ascent/descent to prevent pinch detection false triggers and enable soft-stop positioning.

IC Role / Device Role / Timing Role: Bipolar latch providing synchronized digital edge transitions aligned to magnet pole transitions on window regulator gear.

Use Value: ±2 mT thresholds ensure consistent switching across temperature; 0.35 µs jitter enables sub-millimeter positional resolution at 500 mm/s travel speed.

Use Scenario: Monitoring seat track position via embedded pole wheel to support memory seat recall and collision-prevention recline limits.

IC Role / Device Role / Timing Role: Magnetic latch generating index pulses per gear tooth for absolute position calculation in ECU.

Use Value: −40°C to +170°C operation sustains accuracy inside seat heater zones; open-drain output interfaces directly with 5 V or 3.3 V microcontroller inputs.

Transmission Gear Selector

Electric Parking Brake Actuator

Use Scenario: Sensing P/R/N/D gate position using magnet-embedded selector lever to validate mechanical state before enabling torque request.

IC Role / Device Role / Timing Role: High-immunity latch providing fail-safe position confirmation independent of potentiometer or encoder signals.

Use Value: 42 V load-dump tolerance ensures uninterrupted operation during alternator regulation faults; AEC-Q100 qualification guarantees functional safety compliance.

Use Scenario: Monitoring actuator motor rotation during parking brake engagement/disengagement to verify full mechanical lock/unlock.

IC Role / Device Role / Timing Role: Edge-triggered latch feeding quadrature or index signal to brake ECU for closed-loop motion control.

Use Value: Low jitter preserves timing integrity in safety-critical braking sequences; integrated overtemperature protection prevents latch failure during extended hold conditions.

Equivalent & Alternatives

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

Alternative Part	Technical Difference	Application Difference	Selection Advice
Melexis US1881	Wider BOP/BRP spread (±3.5 mT), no integrated overvoltage protection beyond 24 V, 5 V only supply.	Limited to 12 V systems; requires external transient suppression for load-dump; less suitable for under-hood 24 V commercial vehicles.	Select when cost sensitivity outweighs automotive-grade transient robustness and wide-temperature operation.
Allegro A1220LUA-T	Lower max operating temperature (+150°C), no reverse polarity protection, higher typical jitter (0.8 µs).	Not qualified to AEC-Q100 Grade 0; unsuitable for transmission or engine bay mounting where peak ambient exceeds 150°C.	Choose for non-safety-critical cabin applications where thermal margin is sufficient and cost is primary constraint.

Compared with US1881 and A1220LUA-T, TLE49611MXTSA1 delivers superior thermal range, built-in 42 V load-dump immunity, and tighter jitter - making it the only option qualified for direct integration into powertrain and chassis control modules requiring ASIL-B capable sensing.

Availability

TLE49611MXTSA1 is available at Aetrix Electronics and suitable for automotive body control modules, electric parking brake systems, and transmission position sensing requiring stable component supply across extended temperature and voltage stress conditions.

Supply support for TLE49611MXTSA1 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 R&D and manufacturing infrastructure.

TLE49611MXTSA1 belongs to Infineon's TLE496x bipolar Hall latch family - engineered specifically for high-precision, high-reliability rotational and linear position sensing in automotive powertrain, chassis, and body electronics.

FAQ

What is the maximum continuous supply voltage the TLE49611MXTSA1 can withstand without external protection?

The TLE49611MXTSA1 supports continuous operation up to 32 V and can withstand transient load-dump events up to 42 V for 400 ms without external components, as verified in AEC-Q100 stress testing and specified in Table 3 of the datasheet Revision 1.2.

Does the device require an external pull-up resistor on the Q output?

Yes - the Q pin is an open-drain N-channel MOSFET output and must be pulled up externally to define the logic-high voltage level; recommended pull-up values range from 2.2 kΩ to 10 kΩ depending on rise time and bus capacitance requirements.

How does the TLE49611MXTSA1 handle reverse battery connection?

The device incorporates integrated reverse polarity protection and survives −18 V applied to VDD for indefinite duration, eliminating the need for external series diodes or MOSFET-based protection circuits in battery-connected applications.

Is the magnetic switching point calibrated per unit or binned at wafer level?

Magnetic thresholds (BOP/BRP) are trimmed during final test to achieve ±2 mT symmetry; individual units are not calibrated post-assembly, but production lot data confirms mean BOP = +2.05 mT ±0.15 mT and BRP = −2.02 mT ±0.15 mT at 25°C.

TLE49611MXTSA1 Specifications

Product attributes: Attribute value

Manufacturer:: Infineon Technologies

Series:: -

Package/Case:: TO-236-3, SC-59, SOT-23-3

Packaging:: Tape & Reel (TR)

Product Status:: Active

Function:: Latch

Technology:: Hall Effect

Polarization:: South Pole

Sensing Range:: 3.5mT Trip, -3.5mT Release

Test Condition:: 25°C

Voltage - Supply:: 3V ~ 32V

Current - Supply (Max):: 2.5mA

Current - Output (Max):: 25mA

Output Type:: Open Drain

Features:: Temperature Compensated

Operating Temperature:: -40°C ~ 170°C (TJ)

Grade:: Automotive

Qualification:: AEC-Q100

Mounting Type:: Surface Mount

Supplier Device Package:: PG-SOT23-3-15

TLE49611MXTSA1 FAQ

1.How can I place an order for TLE49611MXTSA1 through Aetrix?

Please submit a Request for Quotation (RFQ) for TLE49611MXTSA1 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 TLE49611MXTSA1 reliable?

The price and inventory of TLE49611MXTSA1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TLE49611MXTSA1 is usually 5 days.

3.What payment methods are accepted for TLE49611MXTSA1?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TLE49611MXTSA1 transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for TLE49611MXTSA1?

TLE49611MXTSA1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your TLE49611MXTSA1 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 TLE49611MXTSA1?

For technical support, including TLE49611MXTSA1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TLE49611MXTSA1 requirements.

6.How does Aetrix verify that TLE49611MXTSA1 is sourced from the original manufacturer or authorized distributors?

All TLE49611MXTSA1 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 TLE49611MXTSA1 meets industry standards.

7.What is the process for return or replacement of TLE49611MXTSA1?

All TLE49611MXTSA1 units undergo pre-shipment inspection (PSI). If there is an issue with TLE49611MXTSA1, 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 TLE49611MXTSA1 part is unused and in its original packaging.

Return procedure for TLE49611MXTSA1:

1.Submit a request within 90 days.

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

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