TLI4906K Infineon Undefined or Miscellaneous (SOT23 (3-Pin)) In Stock
TLI4906K is an Infineon high-precision Hall effect sensor switch in a 3-pin SC-59 (SOT-23) package operating from 2.7 V to 18 V supply. It features open-drain output with 20 mA sink capability, making it ideal for contactless position sensing in automotive and industrial applications.
- Manufacturer
- Infineon
- Package
- SOT23 (3-Pin)
- Pin Count
- 3
- Lifecycle
- ACTIVE
- Datasheet
- TLI4906K Datasheet PDF
- Category
- Undefined or Miscellaneous
- Temp Range
- -40.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Wide supply voltage range from 2.7 V to 18 V supports operation across 3.3 V, 5 V, and 12 V automotive and industrial supply rails
- Open-drain output with 20 mA maximum sink current enables direct interfacing with pull-up resistors and MCU GPIO inputs
- Compact 3-pin SC-59 (SOT-23) package enables space-efficient contactless switch integration in position and speed sensing designs
Applications
TLI4906K is used in automotive seat position detection, window lift end-stop sensing, and steering column position feedback where a contactless Hall effect switch replaces mechanical limit switches for improved reliability over millions of cycles. Industrial equipment such as conveyor belt speed counters, motor shaft revolution detectors, and rotary encoder assemblies use TLI4906K to convert magnetic field transitions from rotating magnets into clean digital pulses over a 2.7 V to 18 V supply range. Consumer appliances including washing machines and HVAC fan modules benefit from its compact SC-59 package for brushless motor commutation feedback.
Specifications
| Pbfree Code | Yes |
| YTEOL | 9 |
| Interface IC Type | BUFFER OR INVERTER BASED PERIPHERAL DRIVER |
| JESD-30 Code | R-PDSO-G3 |
| Number of Functions | 1 |
| Output Current Flow Direction | SINK |
| Output Peak Current Limit-Nom | 0.02A |
| Package Body Material | PLASTIC/EPOXY |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, LOW PROFILE |
| Peak Reflow Temperature (Cel) | NOT SPECIFIED |
| Qualification Status | Not Qualified |
| Supply Voltage-Max | 18V |
| Supply Voltage-Min | 2.7V |
| Supply Voltage-Nom | 12V |
| Surface Mount | YES |
| Temperature Grade | AUTOMOTIVE |
| Terminal Form | GULL WING |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | NOT SPECIFIED |
| Package | SOT23 (3-Pin) |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.60 |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What supply voltage range does TLI4906K support, and which system supply rails is it directly compatible with?
TLI4906K operates from a supply voltage of 2.7 V to 18 V, making it directly compatible with 3.3 V microcontroller boards, 5 V logic systems, and 12 V automotive control units without requiring level shifting or voltage regulation. This wide range allows a single part to be designed into both low-power IoT sensor nodes and 12 V automotive body electronics on the same component approved list.
What is the output configuration of TLI4906K, and how should it be connected to a microcontroller input?
TLI4906K has an open-drain output that sinks up to 20 mA when a magnetic field above the threshold is present and remains high-impedance when below threshold. To interface with a microcontroller, a pull-up resistor of 4.7 kOhm to 10 kOhm should be connected between the output pin and the VDD rail, creating a logic-high output with no magnet present and a logic-low when the magnet activates the sensor.
For an automotive window lift end-stop sensor, what advantage does TLI4906K provide over a mechanical microswitch?
TLI4906K provides a contactless Hall effect switching action with no mechanical wear, compared to a microswitch that typically has a rated life of 100,000 to 500,000 cycles. In automotive window applications that may cycle 10 to 50 times per day, TLI4906K eliminates contact bounce and mechanical failure across a vehicle lifetime exceeding 10 years, while its 2.7 V to 18 V supply range accommodates the voltage transients common in automotive 12 V electrical systems.
What package does TLI4906K use, and how does it compare in board space to alternative Hall effect sensor packages?
TLI4906K is housed in a 3-pin SC-59 (SOT-23) package measuring approximately 1.6 mm x 1.6 mm, which is one of the smallest available packages for a standalone Hall effect switch IC. Compared to larger TO-92 through-hole Hall sensors that require a 5 mm x 5 mm PCB area, the SC-59 footprint saves over 90% of board area, enabling integration directly on motor driver PCBs where space is limited to a few square centimeters.
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