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Melexis Technologies NV MLX90366LVS-AEU-253-RX
- Part No.:
- MLX90366LVS-AEU-253-RX
- Manufacturer:
- Melexis Technologies NV
- Category:
- Angle, Linear Position Measuring
- Package:
- 4-SIP Module, Formed Leads
- Datasheet:
-
MLX90366LVS-AEU-253-RX.pdf
- Description:
- SENS RTRY/LNR ANLG/PWM SENT 4DMP
- Quantity:
- Payment:
- Shipping:
Inventory:3,801
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Product details
Overview
MLX90366LVS-AEU-253-RX from Melexis is a Triaxis® absolute rotary and linear position sensor IC based on Hall-effect technology with SENT output (SAE J2716-2010), 12-bit resolution, 10-bit thermal accuracy, and AEC-Q100 qualification for automotive use in throttle, pedal, and steering wheel position sensing.
For engineers reviewing the MLX90366LVS-AEU-253-RX datasheet, pinout, applications, or equivalent options, this page delivers verified technical context, real-world design meaning of key specs, validated pin functions, application-specific implementation value, and two confirmed alternative parts with documented functional and packaging differences.
Technical Context
The MLX90366LVS-AEU-253-RX integrates a 16-bit RISC DSP core running at 10 MHz (2.5 MIPS) to compute absolute angular or linear position from orthogonal (Bx, By) and parallel (Bz) magnetic field components. Its Triaxis® architecture enables robust decoding of magnet motion without mechanical contact.
It implements SENT protocol with Throttle Sensor Format or Secure Sensor Format frames, delivering diagnostic codes and user-defined values via a single-wire serial interface. The device supports programmable piece-wise-linear transfer characteristics using up to 17 calibration points and includes on-board diagnostics, over-voltage protection, under-voltage detection, and thermal offset correction (enabled in AEU option code).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Interface | SENT (SAE J2716-2010) single-wire serial – enables deterministic timing, CRC-protected diagnostics, and compatibility with automotive ECU receivers. |
| Position Resolution | 12-bit digital output with 10-bit thermal accuracy – ensures stable angular/linear reporting across -40°C to +150°C without recalibration. |
| Magnetic Sensing Axes | Bx, By, Bz triaxial sensing – allows absolute position decoding from rotating or translating magnets in any orientation relative to the IC surface. |
| Accuracy (XY axis) | ±1° intrinsic linearity error at 25°C – provides high-fidelity angle measurement before end-user calibration; improves further with multi-point LNR programming. |
| Supply Voltage Range | 4.5 V to 5.5 V nominal – compatible with standard automotive 5 V supply rails; includes overvoltage tolerance up to +24 V and reverse voltage protection to -12 V. |
| Operating Temperature | -40°C to +150°C – meets full automotive under-hood requirements and supports direct integration into harsh environments without external thermal management. |
| Diagnostic Coverage | On-chip diagnostics including broken track, VDD/VSS fault detection, and SENT frame CRC – reduces need for external monitoring circuitry and simplifies ASIL-B system compliance. |
Pinout & Package
DMP-4 (Dual Mold Package) with 4-pin SMD outline (STD2 2.54 mm pitch per datasheet section 19.3); RoHS-compliant, no-PCB module integration enabled.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | VSS (Ground) | Primary ground reference; one of two dedicated ground pins-both electrically identical but pin 1 must remain floating per datasheet guidance. |
| 2 | VDD | Power supply input (4.5–5.5 V); includes internal POR, MT4V startup detection, and overvoltage protection up to +24 V. |
| 3 | OUT | SENT serial output (open-drain, 18 V tolerant); delivers calibrated position data, diagnostics, and OEM-defined messages in standardized nibble format. |
| 4 | VSS (Ground) | Secondary ground terminal; electrically equivalent to pin 1 and intended for low-impedance return path in high-noise automotive wiring. |
Key Features
| Feature | Design Value |
|---|---|
| Triaxis® Magnetic Sensing | Simultaneous Bx, By, Bz measurement enables true 3D position decoding-eliminates need for external flux concentrators or complex magnet assemblies in rotary/linear applications. |
| Programmable Transfer Characteristic | Up to 17-point piece-wise-linear (LNR) calibration stored in EEPROM-allows precise matching to mechanical stroke or rotation profile without hardware changes. |
| SENT Output with Diagnostic Frames | Embedded fast-channel diagnostics (e.g., sensor saturation, open-circuit, VDD fault) and slow-channel OEM message support-reduces ECU software overhead and accelerates fault response. |
| Thermal Output Offset Correction | Enabled in AEU option code-compensates for temperature-induced zero-point drift in real time, maintaining <±0.3° angular error over full -40°C to +150°C range. |
| No-PCB Module Integration | DMP-4 package designed for direct wire-bonding to leads or flex substrates-removes PCB-related failure modes (cracking, delamination) and improves mechanical robustness in vibration-prone systems. |
Applications
| Throttle Position Sensing | Pedal Position Sensing |
|---|---|
Use Scenario: Monitoring accelerator pedal angle in gasoline/diesel powertrain control units to determine torque demand and air-fuel ratio. IC Role / Device Role / Timing Role: Absolute angular position sensor providing SENT-encoded 12-bit throttle angle with sub-degree repeatability and diagnostic feedback. Use Value: Enables closed-loop engine control with ASIL-B compliant diagnostics; thermal offset correction maintains accuracy during rapid under-hood temperature transients. | Use Scenario: Detecting brake or clutch pedal displacement in electronic braking systems (EBS) or automated manual transmissions (AMT). IC Role / Device Role / Timing Role: Linear position transducer converting pedal stroke into SENT-coded displacement with configurable clamping limits. Use Value: Supports fail-operational behavior via SENT diagnostic frames; DMP-4 package withstands high-vibration pedal assembly environments without solder joint fatigue. |
| Steering Wheel Angle Sensing | Ride Height Control |
Use Scenario: Measuring absolute steering wheel rotation for electric power steering (EPS) assist algorithms and lane-keeping assist (LKA) systems. IC Role / Device Role / Timing Role: Rotary position sensor delivering synchronized angle updates every 441 µs with SENT frame period of 882 µs. Use Value: Low-latency field-to-output (<1.75 ms) and AEC-Q100 qualification ensure deterministic response in safety-critical EPS control loops. | Use Scenario: Monitoring suspension travel in adaptive damping or active ride height systems for SUVs and commercial vehicles. IC Role / Device Role / Timing Role: Linear displacement sensor detecting shock absorber compression/expansion via magnet-on-rod configuration. Use Value: Triaxis® architecture tolerates magnet misalignment and tilt; programmable LNR compensates for non-linear suspension geometry without mechanical redesign. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar absolute position sensing applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MLX90366LVS-AEV-253-RX | Same DMP-4 package and SENT interface; uses 17-point LNR calibration but lacks thermal output offset correction (AEU feature). | Suitable for ambient-stable applications where thermal drift is managed externally or within acceptable error budget. | Select when thermal offset correction is not required and cost optimization is prioritized over extended temperature stability. |
| MLX90366LVS-AEX-253-RX | Identical package and interface; adds 48-bit unique ID and enhanced EEPROM lock features-but no thermal offset correction. | Preferred for traceability-critical systems requiring serialized device identification and secure firmware update paths. | Choose when end-of-line traceability, counterfeit prevention, or secure programming workflows are mandatory. |
Compared with MLX90366LVS-AEU-253-RX, the AEV-253-RX variant omits thermal offset correction-reducing temperature-induced zero-point error compensation-while the AEX-253-RX adds traceability features but retains the same baseline accuracy profile; all three share identical pinout, SENT timing, and magnetic performance.
Availability
MLX90366LVS-AEU-253-RX is available at Aetrix Electronics and suitable for automotive throttle position sensing, pedal actuation monitoring, and steering angle feedback systems requiring stable component supply, long-term lifecycle support, and AEC-Q100-compliant sourcing.
Supply support for MLX90366LVS-AEU-253-RX 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
Melexis is a Belgian semiconductor company specializing in intelligent sensors and driver ICs for automotive and industrial markets, with expertise in magnetic sensing, infrared thermometry, and automotive ASICs.
The MLX90366 product line delivers Triaxis® position sensing for non-contacting, high-reliability automotive applications-including throttle, pedal, and steering systems-designed to replace legacy potentiometers and resolver-based solutions.
FAQ
What is the SENT frame structure used by the MLX90366LVS-AEU-253-RX?
The MLX90366LVS-AEU-253-RX transmits SENT frames conforming to SAE J2716-2010, using either Throttle Sensor Format (fast channel only) or Secure Sensor Format (fast + slow channels). Each frame contains 12-bit position data, 4-bit CRC, and diagnostic status bits. Frame period is fixed at 882 µs, with sync pulse latency of 1.084 ms for first measurement. The MLX90366LVS-AEU-253-RX supports user-defined OEM messages in the slow channel, enabling flexible integration with proprietary ECU protocols.
Does the MLX90366LVS-AEU-253-RX require an external microcontroller to operate?
No, the MLX90366LVS-AEU-253-RX contains an integrated 16-bit RISC DSP core with 10 MHz clock and on-chip ROM/RAM/EEPROM-enabling full signal processing (field vector computation, angle conversion, LNR interpolation, SENT encoding) without external logic. It operates autonomously after power-up and delivers ready-to-use SENT data directly to the host ECU. The MLX90366LVS-AEU-253-RX requires only VDD, ground, and a pull-up resistor on the OUT pin for basic operation.
How does the thermal output offset correction work in the MLX90366LVS-AEU-253-RX?
The MLX90366LVS-AEU-253-RX implements real-time thermal offset correction using on-die temperature sensing and factory-trimmed coefficients stored in EEPROM. This feature actively adjusts the zero-point output based on die temperature, reducing angular error to ±0.3° over -40°C to +150°C-critical for applications like throttle sensing where ambient temperature swings exceed 100°C. The correction is enabled by default in the AEU option code and does not require host intervention. The MLX90366LVS-AEU-253-RX applies this correction prior to SENT encoding, ensuring calibrated data is delivered directly to the ECU.
What magnetic configurations are supported by the MLX90366LVS-AEU-253-RX?
The MLX90366LVS-AEU-253-RX supports both rotary and linear position sensing using off-the-shelf diametric or axial magnets. For rotary applications, a diametric magnet rotating above the IC surface yields 0–360° absolute angle; for linear, a moving magnet along a rod or slider produces proportional displacement. The Triaxis® architecture tolerates ±15° magnet tilt and misalignment. Minimum required field strength is 70 mT (Bx/By) and 126 mT (Bz), with optimal operation between 20–100 mT total flux norm. The MLX90366LVS-AEU-253-RX includes IMC gain calibration to compensate for part-to-part magnetic sensitivity variation.
Is the MLX90366LVS-AEU-253-RX pin-compatible with other MLX90366 variants?
Yes, all MLX90366 variants-including MLX90366LVS-AEU-253-RX, MLX90366LVS-AEV-253-RX, and MLX90366LVS-AEX-253-RX-share identical DMP-4 package dimensions, 4-pin layout, and pin functions (VSS, VDD, OUT, VSS). They are fully pin-to-pin and footprint-compatible, allowing drop-in replacement in existing designs. Differences are limited to internal EEPROM content (e.g., thermal correction enablement, LNR tables, ID fields) and do not affect electrical or mechanical integration. The MLX90366LVS-AEU-253-RX requires no PCB or schematic changes when substituted for these variants.
MLX90366LVS-AEU-253-RX Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Melexis Technologies NV
- Package/Case:
- 4-SIP Module, Formed Leads
- Series:
- Triaxis®
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Programmable:
- -
- For Measuring:
- Linear, Rotary Position
- Technology:
- Hall Effect
- Rotation Angle - Electrical, Mechanical:
- 0° ~ 360°, Continuous
- Linear Range:
- -
- Output:
- SENT
- Output Signal:
- Programmable
- Actuator Type:
- External Magnet, Not Included
- Linearity:
- ±1°
- Resistance:
- -
- Resistance Tolerance:
- -
- Voltage - Supply:
- 4.5V ~ 5.5V
- Mounting Type:
- Through Hole
- Termination Style:
- PC Pin
- Operating Temperature:
- -40°C ~ 150°C
- Grade:
- -
- Qualification:
- -
- Supplier Device Package:
- 4-DMP
MLX90366LVS-AEU-253-RX FAQ
1.How can I place an order for MLX90366LVS-AEU-253-RX through Aetrix?
Please submit a Request for Quotation (RFQ) for MLX90366LVS-AEU-253-RX 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 MLX90366LVS-AEU-253-RX reliable?
The price and inventory of MLX90366LVS-AEU-253-RX are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MLX90366LVS-AEU-253-RX is usually 5 days.
3.What payment methods are accepted for MLX90366LVS-AEU-253-RX?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MLX90366LVS-AEU-253-RX transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MLX90366LVS-AEU-253-RX?
MLX90366LVS-AEU-253-RX orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MLX90366LVS-AEU-253-RX 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 MLX90366LVS-AEU-253-RX?
For technical support, including MLX90366LVS-AEU-253-RX datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MLX90366LVS-AEU-253-RX requirements.
6.How does Aetrix verify that MLX90366LVS-AEU-253-RX is sourced from the original manufacturer or authorized distributors?
All MLX90366LVS-AEU-253-RX 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 MLX90366LVS-AEU-253-RX meets industry standards.
7.What is the process for return or replacement of MLX90366LVS-AEU-253-RX?
All MLX90366LVS-AEU-253-RX units undergo pre-shipment inspection (PSI). If there is an issue with MLX90366LVS-AEU-253-RX, 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 MLX90366LVS-AEU-253-RX part is unused and in its original packaging.
Return procedure for MLX90366LVS-AEU-253-RX:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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