Send an Inquiry

To receive a quote for your project, please fill in the following information, and we’ll get back to you promptly.

Submit Inventory List

Please fill in the following information, and we’ll get back to you promptly.

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

Infineon Technologies TLE4957C2NE6747HAMA1

Name: TLE4957C2NE6747HAMA1
Brand: Infineon Technologies
SKU: TLE4957C2NE6747HAMA1
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

Compare

Part No.:: TLE4957C2NE6747HAMA1

Manufacturer:: Infineon Technologies

Category:: Switches (Solid State)

Package:: -

Datasheet:: TLE4957C2NE6747HAMA1.pdf

Description:: MAGNETIC SWITCH HALL EFF SSO-3

Quantity:: RFQ Add To RFQ list

Payment:

Shipping:

Inventory:2,244

Please send an inquiry. Send us your inquiry, and we will respond immediately.

Product details

Overview

TLE4957C2NE6747HAMA1 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 bipolar latching operation, 3.0–24 V supply range, -40°C to 150°C operating temperature, and integrated reverse-polarity protection. Used in gear position detection and seatbelt buckle status monitoring.

For engineers reviewing the TLE4957C2NE6747HAMA1 datasheet, TLE4957C2NE6747HAMA1 pinout, TLE4957C2NE6747HAMA1 application, or TLE4957C2NE6747HAMA1 equivalent, key selection criteria include magnetic sensitivity (B_OP = ±12 mT typ., B_RP = ∓10 mT typ.), output saturation voltage (V_sat = 0.35 V max at I_OUT = 20 mA), and AEC-Q100 Grade 0 qualification.

Technical Context

This device implements a bipolar latching Hall switch with built-in hysteresis (ΔB ≈ 2 mT), enabling stable switching without mechanical bounce. Its open-drain N-channel output supports pull-up to any voltage ≤24 V, and internal ESD protection exceeds 4 kV HBM.

The IC integrates voltage regulator, Hall element, signal conditioner, and output driver on a single die. It operates over full automotive temperature range with no external components required - only a single pull-up resistor on the output line.

Key Specifications

Parameter	Value and Actual Design Meaning
Supply Voltage	3.0 V to 24 V - compatible with 12 V and 24 V automotive battery rails without external regulation
Operating Temperature	-40°C to +150°C - qualified for under-hood and transmission-mounted applications
Magnetic Operate Point	±12 mT (typ.) - enables reliable actuation with standard ferrite magnets at air gaps up to 2.5 mm
Magnetic Release Point	∓10 mT (typ.) - provides 2 mT hysteresis to prevent chatter near switching threshold
Output Type	Open-drain N-channel - allows flexible logic-level interfacing and wired-OR configuration
Output Saturation Voltage	0.35 V (max at 20 mA) - ensures low power dissipation and clean TTL/CMOS compatibility
Reverse Polarity Protection	Integrated - eliminates need for external series diode in battery-reversal-prone environments

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 3–24 V DC; internal regulator derives bias for Hall element and logic
Pin 2 (GND)	Ground reference	Common return path for supply and output current; tied to substrate for EMC robustness
Pin 3 (OUT)	Open-drain output	Sinks up to 20 mA; requires external pull-up to define logic HIGH level

Key Features

Feature	Design Value
Bipolar latching operation	Switches ON with South pole, OFF with North pole - eliminates need for magnet polarity management in rotating targets
AEC-Q100 Grade 0 qualification	Validated for 150°C ambient operation - suitable for engine compartment and transmission control units
Integrated reverse-polarity protection	Withstands -24 V applied to V_BB - removes external protection diode and associated PCB area and BOM cost
Low quiescent current	3.5 mA (max at 24 V) - minimizes standby power draw in always-on vehicle modules

Applications

Transmission Gear Position Sensing

Brake Pedal Position Detection

Use Scenario: Detecting rotational position of gear selector shaft in automatic transmissions using ferrous target wheel.

IC Role / Device Role / Timing Role: Hall switch providing digital position feedback to transmission control unit (TCU).

Use Value: Enables precise gear state identification with immunity to vibration, oil contamination, and temperature cycling.

Use Scenario: Monitoring brake pedal travel to activate brake light and enable brake-by-wire system readiness.

IC Role / Device Role / Timing Role: Latching Hall sensor detecting pedal movement via magnet attached to linkage.

Use Value: Provides fail-safe, zero-power-loss position hold during pedal dwell - critical for functional safety compliance.

Seatbelt Buckle Status Monitoring

Steering Angle Reference Detection

Use Scenario: Confirming occupant restraint engagement in front seats using magnet-integrated buckle assembly.

IC Role / Device Role / Timing Role: Contactless switch signaling buckle latch closure to airbag control module (ACM).

Use Value: Eliminates mechanical switch wear and corrosion issues while meeting FMVSS 208 reliability requirements.

Use Scenario: Providing absolute zero-reference pulse for steering angle sensor initialization after power-on.

IC Role / Device Role / Timing Role: Edge-triggered Hall switch generating index pulse per revolution of steering column.

Use Value: Delivers deterministic homing signal independent of resolver or encoder drift over time and temperature.

Equivalent & Alternatives

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

Alternative Part	Technical Difference	Application Difference	Selection Advice
Melexis US1881EUA-ABA-002-REEL	Lower B_OP (±5 mT), no reverse-polarity protection, SOIC-3 package	Requires external protection diode; suited for lower-field, non-automotive environments	Select when cost sensitivity outweighs AEC-Q100 and reverse-protection requirements
Allegro A1220LUA-T	Unipolar operation, higher B_OP (25 mT), same SSO-3 footprint but different magnetic response	Cannot latch - needs alternating pole for toggling; unsuitable for static position hold	Choose only for unipolar proximity detection where latching is not required

Compared with US1881EUA and A1220LUA, the TLE4957C2NE6747HAMA1 uniquely combines AEC-Q100 Grade 0, integrated reverse protection, and true bipolar latching in SSO-3 - making it the only drop-in solution for safety-critical automotive position sensing where field polarity varies and supply reversal risk exists.

Availability

TLE4957C2NE6747HAMA1 is available at Aetrix Electronics and suitable for transmission control units, brake-by-wire interfaces, and occupant restraint systems requiring stable component supply across extended temperature and lifecycle demands.

Supply support for TLE4957C2NE6747HAMA1 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 R&D and manufacturing infrastructure.

This part belongs to Infineon's TLE495x family of bipolar latching Hall switches, engineered specifically for high-reliability, contactless position and speed sensing in automotive powertrain and chassis systems.

FAQ

What is the magnetic hysteresis value of the TLE4957C2NE6747HAMA1?

The device exhibits typical hysteresis of 2 mT, calculated as the difference between operate point (±12 mT) and release point (∓10 mT). This ensures noise immunity and prevents oscillation during slow or noisy magnetic transitions, especially in vibrating environments like engine bays.

Does the TLE4957C2NE6747HAMA1 require an external pull-up resistor?

Yes - its open-drain output mandates an external pull-up resistor to define the logic HIGH voltage level. Typical values range from 2.2 kΩ to 10 kΩ depending on rise-time requirements and bus loading, connected between V_BB or another logic rail and the OUT pin.

Can this Hall switch operate directly from a 24 V truck battery without regulation?

Yes - the device is rated for 3.0 V to 24 V supply and contains an internal voltage regulator. It functions reliably across the full 24 V commercial vehicle range, including load-dump transients up to 40 V (with external clamping recommended per design guidelines).

Is the SSO-3 package thermally enhanced?

Yes - the SSO-3 package includes an exposed thermal pad on the underside, which must be soldered to a PCB copper pour for effective heat dissipation. This enables continuous operation at 150°C ambient when mounted on ≥100 mm² of 2-oz copper with thermal vias.

TLE4957C2NE6747HAMA1 Specifications

Product attributes: Attribute value

Manufacturer:: Infineon Technologies

Series:: -

Package/Case:: -

Packaging:: Tape & Box (TB)

Product Status:: Obsolete

Function:: -

Technology:: -

Polarization:: -

Sensing Range:: -

Test Condition:: -

Voltage - Supply:: -

Current - Supply (Max):: -

Current - Output (Max):: -

Output Type:: -

Features:: -

Operating Temperature:: -

Grade:: Automotive

Qualification:: AEC-Q100

Mounting Type:: -

Supplier Device Package:: -

TLE4957C2NE6747HAMA1 FAQ

1.How can I place an order for TLE4957C2NE6747HAMA1 through Aetrix?

Please submit a Request for Quotation (RFQ) for TLE4957C2NE6747HAMA1 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 TLE4957C2NE6747HAMA1 reliable?

The price and inventory of TLE4957C2NE6747HAMA1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TLE4957C2NE6747HAMA1 is usually 5 days.

3.What payment methods are accepted for TLE4957C2NE6747HAMA1?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TLE4957C2NE6747HAMA1 transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for TLE4957C2NE6747HAMA1?

TLE4957C2NE6747HAMA1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your TLE4957C2NE6747HAMA1 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 TLE4957C2NE6747HAMA1?

For technical support, including TLE4957C2NE6747HAMA1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TLE4957C2NE6747HAMA1 requirements.

6.How does Aetrix verify that TLE4957C2NE6747HAMA1 is sourced from the original manufacturer or authorized distributors?

All TLE4957C2NE6747HAMA1 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 TLE4957C2NE6747HAMA1 meets industry standards.

7.What is the process for return or replacement of TLE4957C2NE6747HAMA1?

All TLE4957C2NE6747HAMA1 units undergo pre-shipment inspection (PSI). If there is an issue with TLE4957C2NE6747HAMA1, 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 TLE4957C2NE6747HAMA1 part is unused and in its original packaging.

Return procedure for TLE4957C2NE6747HAMA1:

1.Submit a request within 90 days.

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

Tech Hub

2026-07-29 18650 Battery: Voltage, Capacity, Charging and Pack Design

18650 battery guide covering lithium-ion cell basics, 3.6V/3.7V voltage, 4.2V charging, mAh and Wh capacity, protected cells, chargers, BMS, series-parallel packs, holders, welding and sourcing checks.…

2026-07-27 Hall Effect Sensor: Working Principle, Types, Circuits and Applications

Hall effect sensor guide covering working principle, linear and digital sensors, Arduino circuits, current sensing, speed detection, automotive applications, A3144 examples, signal filtering and datash…

2026-07-20 Product Change Notification (PCN) in Electronic Components: Meaning and Supply Chain Response

Product Change Notification guide for electronic components, covering PCN meaning, PCN vs PDN/EOL, common change types, risk levels, form-fit-function review, engineering validation, BOM control, LTB/L…

2026-07-19 Blend Door Actuator: Symptoms, Location, Reset and Replacement Guide

A practical guide to blend door actuators, covering HVAC function, symptoms, location, AC and heater issues, reset and calibration, replacement cost, electrical diagnosis, compatibility checks, and rep…

2026-07-17 Raspberry Pi Alternatives: Chip-Level Comparison, Compatibility and Replacement Guide

Engineering guide to Raspberry Pi alternatives, covering chip-level differences, Orange Pi, ROCK, Jetson, Banana Pi, NanoPi, Compute Module, Pico, GPIO, camera, HAT compatibility, and replacement risks…

2026-07-13 How to Test Dynamic Load Response in Low-Voltage High-Current Buck Converters

Engineering guide to dynamic load response testing for high-current buck converters, covering load step setup, slew rate, Vcore undershoot, overshoot, recovery time, probe location, output capacitors a…

2026-07-08 Output Capacitor Selection for High-Current ASIC Vcore Rails

Engineering guide to output capacitor selection for ASIC Vcore rails, covering bulk capacitors, polymer capacitors, MLCC decoupling, DC bias, ESR, ESL, placement, transient response and substitution ri…

2026-07-07 High-Current ASIC Core Power Supply Design: 12-Phase Buck, PMBus and Dynamic Load Response

Engineering guide to high-current ASIC Vcore rails, covering 12-phase buck architecture, PMBus control, dynamic load testing, output capacitor networks, smart power stage selection, thermal design and …

2026-07-06 Voltage Regulator: Types, Circuits, Testing and Selection Guide

Voltage regulator guide covering linear, LDO, 7805, Zener, adjustable, buck, VRM and alternator regulators, with design checks, testing methods, troubleshooting and datasheet-based selection.

2026-06-30 Amplifiers Explained: Types, Circuits, Gain, Classes and Applications

Amplifier guide covering voltage, current and power amplification, gain, feedback, amplifier classes, audio and RF applications, op-amp circuits, transimpedance amplifiers, datasheet selection and trou…