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Melexis Technologies NV MLX90366LVS-AEX-250-RX
- Part No.:
- MLX90366LVS-AEX-250-RX
- Manufacturer:
- Melexis Technologies NV
- Category:
- Angle, Linear Position Measuring
- Package:
- 4-SIP Module
- Datasheet:
-
MLX90366LVS-AEX-250-RX.pdf
- Description:
- SENS RTRY/LNR ANLG/PWM SENT 4DMP
- Quantity:
- Payment:
- Shipping:
Inventory:3,094
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Product details
Overview
MLX90366LVS-AEX-250-RX 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 (Throttle Sensor format), and supports rotary (0–360°) or linear displacement sensing in automotive pedal and steering applications.
For engineers reviewing the MLX90366LVS-AEX-250-RX datasheet, pinout, applications, or equivalent options, this page provides verified technical context, validated pin functions, confirmed SENT timing and diagnostics, thermal offset correction capability (AEX option), and real-world automotive use cases requiring robust non-contact position feedback under -40°C to +150°C operation.
Technical Context
The MLX90366LVS-AEX-250-RX integrates a 16-bit RISC DSP core running at 10 MHz (2.5 MIPS), performing real-time CoRDiC-based rectangular-to-polar conversion on raw sine/cosine ADC outputs. Its Triaxis® architecture enables simultaneous orthogonal (Bx/By) and parallel (Bz) flux detection for true 3D magnetic field decoding.
It implements SENT protocol with dual-channel operation: fast channel transmits primary angle data with diagnostic flags, while slow channel delivers enhanced serial messages including user-defined values and error codes. The AEX-250 variant includes thermal output offset correction and 17-point piecewise-linear transfer characteristic programming.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Interface | SENT (SAE J2716-2010 Throttle Sensor format) - enables deterministic, noise-immune digital transmission over long cables in harsh automotive environments. |
| Resolution & Accuracy | 12-bit resolution, 10-bit thermal accuracy - delivers ≤ ±0.3° angular error over -40°C to +150°C with thermal offset correction active. |
| Operating Range | -40°C to +150°C ambient - certified AEC-Q100 Grade 0, suitable for under-hood and transmission-mounted position sensing. |
| Magnetic Sensing | Triaxis® (Bx, By, Bz) - enables single-chip absolute rotary or linear position measurement without mechanical wipers or potentiometers. |
| Programmability | 17-point piecewise-linear transfer curve + thermal offset correction - allows end-user calibration to compensate for magnet tolerances and thermal drift in final assembly. |
| Supply & Protection | 4.5–5.5 V nominal supply; ±24 V overvoltage protection; under-voltage detection at 4.0 V - ensures reliable startup and fault resilience in 12 V automotive systems. |
Pinout & Package
DMP-4 package: 4-pin, dual-mold plastic surface-mount package with exposed pad for thermal dissipation; RoHS compliant; STD1 1.27 mm pitch variant (per ordering code "-250").
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | VSS (Ground) | Primary ground reference; internal analog/digital ground plane connection - either VSS pin may be used, but Pin 1 must remain floating if Pin 4 is used. |
| 2 | VDD | Power supply input (4.5–5.5 V); includes integrated overvoltage and undervoltage protection circuitry. |
| 3 | OUT | SENT-compliant open-drain output; drives standard 14.7 kΩ pull-up to 5 V; supports diagnostic reporting via pulse-width encoding. |
| 4 | VSS (Ground) | Secondary ground terminal; electrically identical to Pin 1 - used as main system ground connection when Pin 1 is left unconnected. |
Key Features
| Feature | Design Value |
|---|---|
| Triaxis® 3D Magnetic Sensing | Simultaneous Bx, By, Bz measurement enables true absolute position decoding without external magnets or complex assemblies - reduces bill-of-materials and improves mechanical robustness. |
| SENT Output with Diagnostics | Embedded fast/slow channel messaging reports real-time angle, CRC errors, broken-track faults, and supply anomalies - eliminates need for external diagnostic circuitry in ASIL-B designs. |
| On-Chip Thermal Offset Correction | AEX option enables automatic compensation of temperature-induced output drift - maintains ≤ ±0.3° angular accuracy across full -40°C to +150°C range without external calibration. |
| 17-Point Programmable Transfer Curve | User-configurable piecewise-linear mapping allows precise linearization against magnet nonlinearity and mechanical hysteresis - critical for throttle and pedal position accuracy. |
| No-PCB Module Integration | DMP-4 package supports direct die-on-substrate mounting - removes PCB-related failure modes (cracking, solder fatigue) and increases environmental ruggedness in high-vibration applications. |
Applications
| Pedal Position Sensing | Steering Wheel Angle Sensing |
|---|---|
Use Scenario: Monitoring accelerator/brake pedal travel in electric and hybrid powertrains for torque control and regenerative braking. IC Role / Device Role / Timing Role: Absolute linear position sensor providing SENT-encoded displacement data every 882 µs with <1.75 ms total latency. Use Value: Enables precise pedal mapping with thermal drift compensation, meeting ISO 26262 ASIL-B functional safety requirements without external compensation. | Use Scenario: Detecting driver steering input angle for EPS (Electric Power Steering) and ADAS lane-keeping systems. IC Role / Device Role / Timing Role: Rotary position sensor delivering 0–360° absolute angle via SENT fast channel with diagnostic flags for signal integrity monitoring. Use Value: Provides fail-safe angular feedback with built-in broken-track and supply fault detection - eliminates need for redundant sensors in mid-tier EPS architectures. |
| Throttle Valve Position | Float-Level Sensing |
Use Scenario: Closed-loop control of engine air intake in gasoline direct injection systems. IC Role / Device Role / Timing Role: High-accuracy rotary sensor with programmable transfer curve matching throttle body mechanical response. Use Value: Achieves <±0.5° linearity after 17-point calibration - meets OEM requirements for transient fuel metering accuracy during rapid throttle transitions. | Use Scenario: Fuel tank level measurement in commercial vehicles using rotating float arm with diametrically magnetized magnet. IC Role / Device Role / Timing Role: Absolute rotary position sensor interpreting float rotation as linear volume percentage. Use Value: Delivers stable output over lifetime without contact wear or wiper resistance drift - extends service interval beyond 10 years in diesel fuel systems. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar absolute position sensing applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MLX90367LVS-AEX-250-RX | Same DMP-4 package and SENT interface; adds dual-die redundancy and enhanced diagnostics for ASIL-C compliance. | Required for EPS or brake-by-wire where dual-channel fault tolerance is mandated. | Select MLX90367 when functional safety requirements exceed ASIL-B or dual-output redundancy is needed. |
| AMS AS5055A-BQFT | 14-bit SPI/I²C output; no SENT support; lower max temperature (+125°C); requires external MCU for diagnostics. | Suitable for industrial encoders or non-automotive linear actuators where SENT is not required. | Choose AS5055A only if SENT is unnecessary and system already includes SPI-capable host processor with diagnostic firmware. |
Compared with MLX90366LVS-AEX-250-RX, the MLX90367 offers hardware-level redundancy for higher ASIL levels, while the AS5055A trades SENT integration and temperature range for higher resolution and simpler digital interface - neither is pin-compatible, and both require layout and firmware changes.
Availability
MLX90366LVS-AEX-250-RX is available at Aetrix Electronics and suitable for automotive pedal position sensing, steering angle feedback, and throttle valve monitoring requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for MLX90366LVS-AEX-250-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 core expertise in magnetic sensing, infrared thermometry, and automotive ASIC design.
The MLX90366 product line was developed specifically for high-reliability, non-contact absolute position sensing in automotive powertrain and chassis systems - emphasizing SENT compatibility, AEC-Q100 qualification, and robustness against EMI, vibration, and thermal stress.
FAQ
What is the SENT frame period and latency specification for MLX90366LVS-AEX-250-RX?
The MLX90366LVS-AEX-250-RX transmits SENT frames every 882 µs. Total field-to-data latency is 1745 µs when FILTER = 1 (recommended setting), comprising 441 µs internal angle measurement period plus SENT encoding and transmission overhead. This deterministic timing enables tight closed-loop control in real-time automotive systems.
Does MLX90366LVS-AEX-250-RX support thermal output offset correction, and how is it enabled?
Yes, MLX90366LVS-AEX-250-RX includes thermal output offset correction as a standard feature of the AEX option code. It is enabled by default in factory configuration and operates automatically during operation - no external calibration or host intervention is required to maintain ≤ ±0.3° angular accuracy from -40°C to +150°C.
What package type and pin configuration does MLX90366LVS-AEX-250-RX use?
MLX90366LVS-AEX-250-RX uses the DMP-4 package: a 4-pin, dual-mold plastic surface-mount device with 1.27 mm pitch (STD1 1.27). Pins are VSS (1), VDD (2), OUT (3), and VSS (4); either VSS pin may serve as ground, but Pin 1 must be left floating if Pin 4 is used per datasheet guidance.
How does the Triaxis® architecture of MLX90366LVS-AEX-250-RX differ from conventional Hall sensors?
Unlike single-axis Hall sensors, MLX90366LVS-AEX-250-RX's Triaxis® architecture integrates three orthogonal Hall plates to simultaneously measure Bx, By, and Bz components. This enables true 3D field vector computation - allowing absolute rotary or linear position determination from a single moving magnet without mechanical constraints or multi-sensor alignment.
Is MLX90366LVS-AEX-250-RX AEC-Q100 qualified, and which grade applies?
Yes, MLX90366LVS-AEX-250-RX is AEC-Q100 qualified to Grade 0, covering an operating ambient temperature range of -40°C to +150°C. This qualification confirms reliability for under-hood, transmission, and brake system applications where extreme thermal cycling and long-term stability are mandatory.
MLX90366LVS-AEX-250-RX Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Melexis Technologies NV
- Package/Case:
- 4-SIP Module
- Series:
- Triaxis®
- Packaging:
- Cut Tape (CT)
- 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-AEX-250-RX FAQ
1.How can I place an order for MLX90366LVS-AEX-250-RX through Aetrix?
Please submit a Request for Quotation (RFQ) for MLX90366LVS-AEX-250-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-AEX-250-RX reliable?
The price and inventory of MLX90366LVS-AEX-250-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-AEX-250-RX is usually 5 days.
3.What payment methods are accepted for MLX90366LVS-AEX-250-RX?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MLX90366LVS-AEX-250-RX transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MLX90366LVS-AEX-250-RX?
MLX90366LVS-AEX-250-RX orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MLX90366LVS-AEX-250-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-AEX-250-RX?
For technical support, including MLX90366LVS-AEX-250-RX datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MLX90366LVS-AEX-250-RX requirements.
6.How does Aetrix verify that MLX90366LVS-AEX-250-RX is sourced from the original manufacturer or authorized distributors?
All MLX90366LVS-AEX-250-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-AEX-250-RX meets industry standards.
7.What is the process for return or replacement of MLX90366LVS-AEX-250-RX?
All MLX90366LVS-AEX-250-RX units undergo pre-shipment inspection (PSI). If there is an issue with MLX90366LVS-AEX-250-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-AEX-250-RX part is unused and in its original packaging.
Return procedure for MLX90366LVS-AEX-250-RX:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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