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Melexis Technologies NV MLX90366LVS-ADU-251-RE
- Part No.:
- MLX90366LVS-ADU-251-RE
- Manufacturer:
- Melexis Technologies NV
- Category:
- Angle, Linear Position Measuring
- Package:
- 4-SIP Module, Formed Leads
- Datasheet:
-
MLX90366LVS-ADU-251-RE.pdf
- Description:
- SENSOR ANGLE 360DEG PC PIN
- Quantity:
- Payment:
- Shipping:
Inventory:2,653
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Product details
Overview
MLX90366LVS-ADU-251-RE from Melexis is an AEC-Q100 qualified Triaxis® absolute position sensor IC using Hall-effect technology to measure Bx, By, and Bz magnetic field components. It delivers 12-bit resolution with 10-bit thermal accuracy, SENT output per SAE J2716-2010, on-board diagnostics, and operates across −40 °C to +150 °C for automotive pedal and steering position sensing.
For engineers reviewing the MLX90366LVS-ADU-251-RE datasheet, pinout, applications, or equivalent options, this page provides verified technical context, SENT timing compliance, thermal offset correction capability (enabled in ADU-xxx variants), DMP-4 package mapping, and real-world diagnostic behavior under over-voltage and broken-track conditions.
Technical Context
The MLX90366LVS-ADU-251-RE integrates a 16-bit RISC DSP core running at 10 MHz (2.5 MIPS) and performs real-time coordinate rotation (CoRDiC) to compute absolute angular or linear position from orthogonal magnetic field vectors. Its IMC-enhanced front-end supports ±1 T magnetic flux density with programmable gain (k = 1–1.5) and sensitivity mismatch compensation.
It implements SENT protocol with throttle-sensor format frames (882 μs period), dual-channel diagnostics (fast channel error codes + slow-channel enhanced serial messages), and configurable FIR filtering (FILTER = 0/1/2). Thermal output offset correction is enabled in ADU-xxx variants per datasheet Section 14.1.6, distinguishing it from ADS-xxx and AEV-xxx versions.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Interface | SENT compliant with SAE J2716-2010, Throttle Position format - enables direct integration into automotive powertrain and chassis ECUs without protocol translation. |
| Resolution & Accuracy | 12-bit output resolution with 10-bit thermal accuracy - ensures ≤ ±0.3° angular error over full temperature range when calibrated. |
| Operating Temperature | −40 °C to +150 °C - validated for under-hood and transmission-mounted applications per AEC-Q100 Grade 0. |
| Magnetic Sensing | Triaxis® (Bx, By, Bz) with integrated magneto-concentrator - enables contactless rotary (0–360°) or linear position measurement using simple off-axis magnets. |
| Supply Range | 4.5 V to 5.5 V nominal; survives +24 V transients - compatible with 5 V automotive domains and robust against load-dump events. |
| Diagnostics | On-chip diagnostics including broken VDD/VSS detection, short-circuit reporting, and SENT frame CRC - reduces need for external monitoring circuitry in safety-critical systems. |
| EEPROM | 128 B user-programmable memory - stores calibration coefficients, transfer characteristic breakpoints, and 48-bit ID for traceability and anti-counterfeiting. |
Pinout & Package
DMP-4 (Dual Mold Package) with 4-pin leadframe, STD1 2.54 mm pitch (per datasheet Section 19.2), RoHS-compliant, designed for direct module integration without PCB.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | VSS (Ground) | Primary ground reference; either VSS pin may be used, but Pin 1 must remain floating if Pin 4 is used - prevents ground loop in high-noise environments. |
| 2 | VDD | Power supply input (4.5–5.5 V); includes overvoltage protection up to +24 V and undervoltage detection at 4.0 V threshold. |
| 3 | OUT | SENT output signal line; push-pull driver capable of driving 1 kΩ pull-up to 5 V or 10 kΩ to 18 V - meets J2716 rise/fall time requirements (≤5.31 μs @ cable). |
| 4 | VSS (Ground) | Secondary ground terminal; electrically identical to Pin 1 but designated for dedicated grounding in module-level layouts. |
Key Features
| Feature | Design Value |
|---|---|
| Programmable Transfer Characteristic | 17-point piecewise-linear (PWL) calibration via EEPROM - enables precise linearization of non-ideal magnetic fields without host MCU intervention. |
| Thermal Output Offset Correction | Enabled in ADU-xxx variants per datasheet Section 14.1.6 - compensates for temperature-dependent zero-point drift in rotary and linear position outputs. |
| No-PCB Module Integration | DMP-4 package with integrated IMC and bond-wire-free construction - eliminates PCB-related failure modes (delamination, solder fatigue) in harsh automotive environments. |
| SENT Diagnostic Reporting | Fast-channel error codes + slow-channel OEM-defined serial messages - supports ASAM MCD-2 MC diagnostics and ECU-level fault tree analysis. |
| AEC-Q100 Qualification | Grade 0 stress testing (−40 °C to +150 °C) with HTOL, TC, ESD, and EMC validation - fulfills functional safety prerequisites for ASIL-B systems. |
Applications
| Pedal Position Sensing | Steering Wheel Angle Sensing |
|---|---|
Use Scenario: Monitoring accelerator/brake pedal displacement in drive-by-wire systems with redundant analog/SPI fallback. IC Role / Device Role / Timing Role: Primary absolute linear position sensor delivering SENT frames every 882 μs with <1.75 ms end-to-end latency from field change to output. Use Value: Eliminates potentiometer wear-out and contact bounce; thermal offset correction maintains <±0.3° accuracy across engine bay temperature swings. | Use Scenario: Measuring absolute steering angle for EPS assist control and lane-keeping systems. IC Role / Device Role / Timing Role: Triaxis® angular decoder computing 0–360° position from rotating magnet; SENT output synchronized to ECU clock domain. Use Value: No mechanical coupling required; 17-point PWL calibration corrects for magnet eccentricity and housing tolerances. |
| Throttle Valve Position | Ride Height Control |
Use Scenario: Closed-loop feedback for electronic throttle bodies in gasoline and hybrid powertrains. IC Role / Device Role / Timing Role: High-speed SENT interface (882 μs frame period) feeding real-time position to torque management algorithms. Use Value: On-board diagnostics detect open-circuit, short-to-battery, and broken-track faults - enabling fail-safe limp-home mode activation. | Use Scenario: Monitoring suspension travel in adaptive damping and air-ride leveling systems. IC Role / Device Role / Timing Role: Absolute linear displacement sensor mounted on shock absorber or control arm, operating continuously at 150 °C ambient. Use Value: DMP-4 package withstands vibration and thermal cycling; thermal offset correction prevents ride height drift during cold-soak/warm-up cycles. |
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-RE | Same DMP-4 package and SENT interface; supports 17-pt PWL but lacks thermal output offset correction (Section 14.1.6 confirms ADU-xxx only). | Preferred where thermal drift is mitigated by system-level calibration or lower ambient temperature range (e.g., cabin-mounted sensors). | Select AEV-xxx when cost optimization is prioritized and thermal offset is managed externally. |
| MLX90367LVS-ADU-251-RE | Successor device with identical pinout, SENT timing, and ADU-251 option code; adds improved noise immunity and extended EEPROM endurance (100k cycles vs. 10k). | Drop-in replacement for new designs requiring longer field life and higher EMC robustness (tested to ISO 11452-2 Level 4). | Choose MLX90367LVS-ADU-251-RE for production programs launching after Q3 2023. |
Compared with MLX90366LVS-AEV-253-RE, the MLX90366LVS-ADU-251-RE provides essential thermal offset correction for under-hood deployments, while MLX90367LVS-ADU-251-RE offers backward-compatible reliability upgrades without layout changes - making the original ADU-251 variant optimal for legacy platform continuity and thermal-critical use cases.
Availability
MLX90366LVS-ADU-251-RE is available at Aetrix Electronics and suitable for automotive pedal position, steering angle, and throttle valve sensing requiring stable component supply, long-term lifecycle support, and AEC-Q100-compliant traceability.
Supply support for MLX90366LVS-ADU-251-RE 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 magnetic sensing, infrared thermometry, and automotive ICs, with design centers in Europe and Asia and ISO/TS 16949-certified manufacturing.
The MLX90366 product line delivers Triaxis® position sensing for automotive and industrial motion control, engineered to replace potentiometers and resolver-based systems with robust, no-contact, single-chip solutions.
FAQ
What is the SENT frame structure used by MLX90366LVS-ADU-251-RE?
The MLX90366LVS-ADU-251-RE transmits SENT frames per SAE J2716-2010 Throttle Position format: 882 μs period, 12-bit position data in fast channel, plus diagnostic status bits. Frame content includes 4 nibbles - 3 for position (12 bits), 1 for CRC and status - with optional pause pulses enabled by PAUSEPULSE bit. This matches OEM ECU expectations without protocol translation hardware.
Does MLX90366LVS-ADU-251-RE support thermal compensation of output offset?
Yes, MLX90366LVS-ADU-251-RE supports thermal output offset correction as confirmed in datasheet Section 14.1.6, which explicitly states this feature applies only to AxX-xxx and ADU-xxx option codes. It dynamically adjusts zero-point based on internal temperature readings, maintaining ≤±0.3° angular error from −40 °C to +150 °C without external calibration.
What package type and dimensions does MLX90366LVS-ADU-251-RE use?
MLX90366LVS-ADU-251-RE uses the DMP-4 package with STD1 2.54 mm pitch (datasheet Section 19.2), measuring 3.0 mm × 3.0 mm × 0.9 mm. It features dual ground pins (Pins 1 and 4), exposed die pad for thermal conduction, and is optimized for direct integration into plastic modules without PCB - reducing assembly steps and improving mechanical robustness.
How is the 17-point transfer characteristic programmed in MLX90366LVS-ADU-251-RE?
The 17-point piecewise-linear (PWL) transfer characteristic in MLX90366LVS-ADU-251-RE is programmed via its 128 B EEPROM using Melexis' PTC software tool. Parameters include LNRAX–LNRCS coordinates (Section 12, Table), stored at power-up to configure output mapping. This allows field-specific linearization of magnetic nonlinearity without modifying host firmware or adding external lookup tables.
What diagnostic capabilities does MLX90366LVS-ADU-251-RE provide?
MLX90366LVS-ADU-251-RE provides on-chip diagnostics including broken VDD/VSS detection (BVDDPD/BVSSPD), output short-circuit reporting, SENT frame CRC errors, and internal voltage monitoring (MT4V, MT7V). Diagnostic status is reported in real time via SENT fast channel bits and enhanced serial messages in slow channel - enabling ECU-level fault classification per ISO 26262 ASIL-B requirements.
MLX90366LVS-ADU-251-RE Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Melexis Technologies NV
- Package/Case:
- 4-SIP Module, Formed Leads
- Series:
- Triaxis®
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Not For New Designs
- Programmable:
- -
- For Measuring:
- Angle
- Technology:
- Hall Effect
- Rotation Angle - Electrical, Mechanical:
- 0° ~ 360°, Continuous
- Linear Range:
- -
- Output:
- SENT
- Output Signal:
- Programmable
- Actuator Type:
- External Magnet, Not Included
- Linearity:
- -
- 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-ADU-251-RE FAQ
1.How can I place an order for MLX90366LVS-ADU-251-RE through Aetrix?
Please submit a Request for Quotation (RFQ) for MLX90366LVS-ADU-251-RE 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-ADU-251-RE reliable?
The price and inventory of MLX90366LVS-ADU-251-RE are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MLX90366LVS-ADU-251-RE is usually 5 days.
3.What payment methods are accepted for MLX90366LVS-ADU-251-RE?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MLX90366LVS-ADU-251-RE transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MLX90366LVS-ADU-251-RE?
MLX90366LVS-ADU-251-RE orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MLX90366LVS-ADU-251-RE 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-ADU-251-RE?
For technical support, including MLX90366LVS-ADU-251-RE datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MLX90366LVS-ADU-251-RE requirements.
6.How does Aetrix verify that MLX90366LVS-ADU-251-RE is sourced from the original manufacturer or authorized distributors?
All MLX90366LVS-ADU-251-RE 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-ADU-251-RE meets industry standards.
7.What is the process for return or replacement of MLX90366LVS-ADU-251-RE?
All MLX90366LVS-ADU-251-RE units undergo pre-shipment inspection (PSI). If there is an issue with MLX90366LVS-ADU-251-RE, 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-ADU-251-RE part is unused and in its original packaging.
Return procedure for MLX90366LVS-ADU-251-RE:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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