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Melexis Technologies NV MLX90366LVS-AEV-258-RX
- Part No.:
- MLX90366LVS-AEV-258-RX
- Manufacturer:
- Melexis Technologies NV
- Category:
- Angle, Linear Position Measuring
- Package:
- 4-SIP Module, Formed Leads
- Datasheet:
-
MLX90366LVS-AEV-258-RX.pdf
- Description:
- SENS RTRY/LNR ANLG/PWM SENT 4DMP
- Quantity:
- Payment:
- Shipping:
Inventory:3,978
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Product details
Overview
MLX90366LVS-AEV-258-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, and operates across −40 °C to +150 °C for automotive pedal and steering wheel position sensing.
For engineers reviewing the MLX90366LVS-AEV-258-RX datasheet, pinout, applications, or equivalent options, this page provides verified functional context, validated pin-level interface behavior, confirmed SENT protocol compliance, thermal offset correction capability (enabled in AEV option), and real-world automotive positioning use cases.
Technical Context
The MLX90366LVS-AEV-258-RX implements a 16-bit RISC DSP core running at 10 MHz (2.5 MIPS) to compute absolute angular or linear position from raw sine/cosine ADC outputs. Its Triaxis® architecture enables full 3D magnetic field decoding-Bx, By, and Bz-with integrated IMC® magneto-concentrator enhancing sensitivity and linearity.
It supports programmable piece-wise-linear transfer characteristics via 17-point LNR parameters (standard in AEV option), on-chip diagnostics including broken-track detection, over-voltage protection up to +24 V, and SENT frame transmission with configurable fast/slow channels and error reporting per SAE J2716-2010 Throttle Sensor format.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Interface | SENT serial output compliant with SAE J2716-2010 Throttle Sensor format; enables deterministic timing, diagnostic embedding, and EMI-robust automotive communication. |
| Resolution & Accuracy | 12-bit position resolution with 10-bit thermal accuracy; ensures ≤ ±0.3° angular error over −40 °C to +125 °C (±60 LSB15 thermal offset drift). |
| Operating Range | −40 °C to +150 °C ambient; validated for under-hood automotive environments and meets AEC-Q100 Grade 0 requirements. |
| Magnetic Sensitivity | Supports BX/BY ≥ 70 mT and BZ ≥ 126 mT; IMC gain of 1.2–1.8× in XY and 1.1–1.3× in Z enables robust operation with low-cost magnets. |
| Supply & Protection | 4.5–5.5 V nominal supply; overvoltage tolerance to +24 V and reverse voltage protection to −12 V; built-in diagnostics for VDD/VSS open-circuit detection. |
| Processing Core | 16-bit RISC DSP (2.5 MIPS @ 10 MHz); executes real-time CoRDiC-based angle calculation, filtering (FILTER=0/1/2), and SENT frame generation without host MCU intervention. |
Pinout & Package
DMP-4 (Dual Mold Package) with 4-pin leadframe, STD4 2.54 mm pitch, face-down reel packaging (RX). Package integrates built-in capacitors and supports no-PCB module integration for enhanced mechanical robustness.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | VSS (Ground) | Primary ground reference; internal diagnostics monitor continuity; either VSS pin may be used but Pin 1 must remain floating if Pin 4 is grounded. |
| 2 | VDD | Power supply input (4.5–5.5 V); includes overvoltage protection to +24 V and under-voltage detection thresholds at 3.8–4.2 V (MT4V). |
| 3 | OUT | SENT serial output (open-drain compatible); delivers calibrated position data, diagnostics, and OEM-defined values in standardized nibble frames. |
| 4 | VSS (Ground) | Secondary ground terminal; electrically identical to Pin 1; recommended grounding point to minimize noise coupling in high-EMI environments. |
Key Features
| Feature | Design Value |
|---|---|
| Triaxis® 3D Field Sensing | Simultaneous measurement of Bx, By, Bz enables true absolute rotary (0–360°) or linear position without mechanical stops or multi-sensor assemblies. |
| 17-Point Programmable Transfer Curve | End-user configurable LNR parameters (in AEV option) allow precise calibration to magnet geometry and mechanical tolerances-reducing system-level INL to < ±1°. |
| SENT Output with Diagnostic Embedding | SAE J2716-compliant frames carry position, CRC-checked error codes, and user-defined OEM data-eliminating need for separate diagnostic wiring or CAN bus overhead. |
| Thermal Output Offset Correction | Enabled in AEV-258 variant; compensates for temperature-induced zero-point drift in real time, maintaining ≤ ±0.3° accuracy across full automotive temperature range. |
| No-PCB Module Integration | DMP-4 package embeds decoupling capacitance and supports direct wire-bonding to sensor housing-reducing BOM count, improving vibration resistance, and enabling IP67-rated modules. |
Applications
| Pedal Position Sensing | Steering Wheel Angle Sensing |
|---|---|
Use Scenario: Monitoring accelerator, brake, or clutch pedal displacement in electric/hybrid powertrains with fail-safe redundancy. IC Role / Device Role / Timing Role: Primary absolute linear position transducer delivering SENT frames every 882 μs with diagnostic status embedded in fast channel. Use Value: Eliminates potentiometer wear-out and contact bounce; thermal offset correction ensures consistent idle-stop response across temperature cycles. | Use Scenario: Measuring absolute steering column rotation for EPS assist control and ADAS lane-keeping functions. IC Role / Device Role / Timing Role: Triaxis® angle decoder computing real-time 0–360° position from rotating magnet; SENT latency ≤ 1745 μs enables closed-loop torque control. Use Value: 10-bit thermal accuracy prevents false EPS fault triggers during cold starts; AEC-Q100 qualification ensures reliability in safety-critical steering systems. |
| Throttle Valve Position | Float-Level Fuel Tank Sensing |
Use Scenario: Closed-loop feedback for electronic throttle control (ETC) in gasoline and flex-fuel engines. IC Role / Device Role / Timing Role: Absolute rotary sensor mounted on throttle shaft; outputs SENT frames with secure sensor format for tamper-resistant calibration data. Use Value: 17-point LNR programming matches non-linear valve geometry; on-board diagnostics detect open-circuit or short-circuit faults before engine misfire occurs. | Use Scenario: Non-contact fuel level measurement using vertically moving float magnet in automotive or off-road vehicle tanks. IC Role / Device Role / Timing Role: Linear position sensor interpreting vertical Bz field gradient; operates reliably despite fuel slosh, condensation, or tank vibration. Use Value: DMP-4 package withstands fuel vapor exposure; no-PCB construction prevents solder joint fatigue in high-vibration environments. |
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 AEV option code, but STD2 2.54 mm trim-and-form configuration; lacks thermal offset correction firmware enablement. | Suitable for cost-sensitive applications where thermal drift < ±0.5° is acceptable; not qualified for high-precision steering or pedal systems. | Select only when thermal offset correction is unnecessary and PCB layout accommodates different leadform geometry. |
| MLX90366LVS-AEU-258-RX | Identical STD4 2.54 mm leadform and RX packaging, but AEU option lacks thermal output offset correction feature (AxU-xxx base configuration). | Applicable in linear position sensing where ambient temperature remains stable; cannot maintain accuracy during rapid thermal transients. | Choose for non-safety-critical linear sensors (e.g., ride height) where 17-point LNR suffices without active thermal compensation. |
Compared with MLX90366LVS-AEV-258-RX, the AEV-253 variant offers identical functionality but omits thermal offset correction and uses a different leadform, while the AEU-258 variant retains the same mechanical form factor but disables the thermal compensation algorithm-making MLX90366LVS-AEV-258-RX the only choice for applications demanding guaranteed ≤ ±0.3° accuracy across −40 °C to +150 °C.
Availability
MLX90366LVS-AEV-258-RX is available at Aetrix Electronics and suitable for automotive pedal position sensing, steering angle measurement, and throttle valve control requiring stable component supply, long-term lifecycle support, and AEC-Q100-compliant traceability.
Supply support for MLX90366LVS-AEV-258-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 delivers Triaxis® 3D magnetic position sensing for safety-critical automotive subsystems-including EPS, braking, and powertrain-where contactless, high-accuracy, and AEC-Q100-compliant operation is mandatory.
FAQ
What is the SENT frame period and latency specification for MLX90366LVS-AEV-258-RX?
The MLX90366LVS-AEV-258-RX outputs SENT frames every 882 μs (tframe). With FILTER = 1 (recommended), field change to SENT data latency is 1745 μs, including internal angle measurement (441 μs period), processing, and frame transmission. First sync pulse appears within 1.8 ms of power-up, and first valid data within 6.3 ms.
Does MLX90366LVS-AEV-258-RX support thermal output offset correction, and how is it enabled?
Yes, MLX90366LVS-AEV-258-RX supports thermal output offset correction as a standard feature of the AEV option code. It is implemented in firmware and automatically active upon power-up; no external configuration is required. This correction reduces thermal offset drift to ±60 LSB15 (≤ ±0.3°) over −40 °C to +125 °C.
What magnetic field strengths are required for reliable operation of MLX90366LVS-AEV-258-RX?
MLX90366LVS-AEV-258-RX requires BX/BY ≥ 70 mT and BZ ≥ 126 mT for optimal performance. Below 20 mT norm (√[BX² + BY² + (BZ/1.2)²]), signal-to-noise ratio degrades; above 70 mT BX/BY, IMC® saturation increases linearity error. These thresholds are validated across the full −40 °C to +150 °C operating range.
How does the MLX90366LVS-AEV-258-RX handle diagnostics, and what faults can it detect?
The MLX90366LVS-AEV-258-RX performs continuous on-chip diagnostics including broken VDD/VSS track detection, over/under-voltage monitoring, and SENT frame CRC validation. Diagnostic status is reported in the SENT fast channel using standardized error codes per SAE J2716-2010, enabling immediate ECU-level fault classification without additional hardware.
Is MLX90366LVS-AEV-258-RX pin-compatible with other MLX90366 variants in the DMP-4 package?
Yes, all MLX90366 variants in the DMP-4 package-including MLX90366LVS-AEV-258-RX-share identical 4-pin pinout (VSS, VDD, OUT, VSS) and mechanical footprint. However, functional differences (e.g., thermal offset correction, LNR point count, SENT format) require firmware and EEPROM configuration alignment; electrical interface remains fully interchangeable.
MLX90366LVS-AEV-258-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-AEV-258-RX FAQ
1.How can I place an order for MLX90366LVS-AEV-258-RX through Aetrix?
Please submit a Request for Quotation (RFQ) for MLX90366LVS-AEV-258-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-AEV-258-RX reliable?
The price and inventory of MLX90366LVS-AEV-258-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-AEV-258-RX is usually 5 days.
3.What payment methods are accepted for MLX90366LVS-AEV-258-RX?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MLX90366LVS-AEV-258-RX transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MLX90366LVS-AEV-258-RX?
MLX90366LVS-AEV-258-RX orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MLX90366LVS-AEV-258-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-AEV-258-RX?
For technical support, including MLX90366LVS-AEV-258-RX datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MLX90366LVS-AEV-258-RX requirements.
6.How does Aetrix verify that MLX90366LVS-AEV-258-RX is sourced from the original manufacturer or authorized distributors?
All MLX90366LVS-AEV-258-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-AEV-258-RX meets industry standards.
7.What is the process for return or replacement of MLX90366LVS-AEV-258-RX?
All MLX90366LVS-AEV-258-RX units undergo pre-shipment inspection (PSI). If there is an issue with MLX90366LVS-AEV-258-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-AEV-258-RX part is unused and in its original packaging.
Return procedure for MLX90366LVS-AEV-258-RX:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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