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Melexis Technologies NV MLX90371GVD-EAC-300-RE
- Part No.:
- MLX90371GVD-EAC-300-RE
- Manufacturer:
- Melexis Technologies NV
- Category:
- Angle, Linear Position Measuring
- Package:
- 4-SIP Module
- Datasheet:
-
MLX90371GVD-EAC-300-RE.pdf
- Description:
- SENSOR MAGNET POSITION SMP
- Quantity:
- Payment:
- Shipping:
Inventory:3,615
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Product details
Overview
MLX90371GVD-EAC-300-RE from Melexis is a dual-die Triaxis® absolute position sensor in SMP-4 PCB-less package, delivering ratiometric analog outputs with 12-bit DAC resolution, ±1° intrinsic XY linearity error, and ISO 26262 ASIL-B Safety Element out of Context compliance for automotive throttle and steering wheel position sensing.
For engineers reviewing the MLX90371GVD-EAC-300-RE datasheet, pinout, applications, or equivalent options, this page provides verified pin definitions, SMP-4 package integration guidance, calibrated analog transfer characteristics, magnetic field thresholds (3.4–130 mT), and dual-output timing behavior under legacy mode operation.
Technical Context
The MLX90371GVD-EAC-300-RE integrates two independent Triaxis® sensing dies in a single SMP-4 mold, each measuring BX, BY, and BZ magnetic components to compute absolute angular or linear position. It operates in Standard/Legacy mode with programmable 4-/8-point or 16-/32-segment piecewise-linear transfer functions and supports ratiometric analog output scaling from –50% to +150% of VDD.
Its on-chip signal processing includes FIR filtering (3 modes), exponential moving average, configurable diagnostics (field-too-low/high, broken-wire detection), and thermal drift compensation across –40°C to +160°C. The device features 256 B NVRAM for end-user calibration storage and 32 KB ROM for firmware execution.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Type | Ratiometric analog (dual OUT1/OUT2), compatible with resistive potentiometer interfaces |
| Resolution & Accuracy | 12-bit DAC resolution; ±1° intrinsic XY linearity error; 0.45° total thermal drift in performance zone 2 |
| Magnetic Range | 3.4–130 mT field strength; supports X-Y, X-Z, or Y-Z sensing configurations |
| Supply & Temp | 4.5–5.5 V supply; operates from –40°C to +160°C junction temperature |
| Latency & Timing | 440–462 μs latency; step response up to 5.1 ms depending on FIR filter setting |
| Safety Certification | ISO 26262 ASIL-B Safety Element out of Context (SEooC) compliant |
| Package | SMP-4: Single Mold Package, PCB-less, side-by-side dual-die configuration with shared VDD/VSS |
Pinout & Package
SMP-4 is a compact, PCB-less molded package designed for direct housing/connector integration. Its 4-pin main terminals support dual-output operation with shared power and ground, while test pins (a–c) are reserved for factory programming and not user-accessible in final application.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (OUT1) | Analog Output Channel 1 | Primary ratiometric analog output; independently calibrated per die; drives external ADC or ECU input |
| 2 (VSS) | Ground Reference | Common ground for both dies and analog outputs; critical for ratiometric accuracy and noise immunity |
| 3 (VDD) | Power Supply Input | 4.5–5.5 V supply shared by both dies; integrated decoupling capacitors inside SMP-4 package |
| 4 (OUT2) | Analog Output Channel 2 | Secondary ratiometric analog output; enables redundancy or differential sensing in safety-critical systems |
Key Features
| Feature | Design Value |
|---|---|
| Dual-die SMP-4 integration | Eliminates PCB assembly; reduces footprint and improves mechanical robustness for harsh-environment mounting |
| Programmable transfer characteristic | Supports 4-/8-point LNR or 16-/32-segment PWL calibration to match custom magnet motion profiles |
| On-chip diagnostics | Detects field-too-low/high, broken-wire (VDD/VSS), and gain saturation-enabling ASIL-B fault detection without external logic |
| Thermal drift compensation | 0.45° max XY total drift over –40°C to +160°C in performance zone 2, validated for automotive under-hood use |
| End-user NVRAM calibration | 256 B non-volatile memory stores multi-point calibration data, enabling field-programmable accuracy tuning |
Applications
| Throttle Position Sensing | Steering Wheel Angle Sensing |
|---|---|
|
Use Scenario: Monitoring real-time throttle plate angle in gasoline/diesel engine control units for air-fuel ratio and torque management. IC Role / Device Role / Timing Role: Absolute rotary position sensor providing dual ratiometric analog outputs synchronized to engine ECU sampling clocks. Use Value: Enables closed-loop throttle control with <0.5° angular uncertainty at 160°C ambient, meeting ASIL-B functional safety requirements. |
Use Scenario: Measuring absolute steering wheel rotation angle for EPS assist torque calculation and ADAS lane-keeping feedback. IC Role / Device Role / Timing Role: Redundant position transducer with independent OUT1/OUT2 channels for cross-checking and fault detection. Use Value: Dual-die SMP-4 architecture delivers matched thermal drift and latency (<462 μs), supporting real-time EPS control loop timing. |
| Valve Position Feedback | Non-Contacting Potentiometer Replacement |
|
Use Scenario: Linear or rotary position feedback for industrial pneumatic/hydraulic control valves operating in high-vibration environments. IC Role / Device Role / Timing Role: Absolute linear/rotary sensor interfacing directly with PLC analog inputs via ratiometric voltage output. Use Value: Eliminates mechanical wear and contact bounce; maintains ±1° accuracy after 10M cycles with no recalibration needed. |
Use Scenario: Replacing legacy wirewound or conductive plastic potentiometers in medical devices and precision instrumentation. IC Role / Device Role / Timing Role: Solid-state absolute position transducer with programmable scaling (–50% to +150%) and clamping limits. Use Value: Provides infinite resolution, zero hysteresis, and EMC-immune operation-critical for FDA-cleared diagnostic equipment. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar absolute position sensing applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MLX90372GVD-EAD-300-RE | Single-die SMP-4 variant; identical pinout but only one analog output channel; lacks dual-die redundancy | Suitable for cost-sensitive non-redundant applications where ASIL-B SEooC is retained but dual-channel validation is not required | Select when system-level redundancy is handled externally or not mandated by safety goals |
| AMS AS5055A-BQFT | Single-die Hall-based rotary encoder; SPI digital interface only; no analog output; 14-bit resolution but no ASIL-B certification | Used in consumer robotics or industrial encoders where functional safety is not required and digital bus interface is preferred | Choose only if analog compatibility is unnecessary and ISO 26262 compliance is outside scope |
Compared with MLX90371GVD-EAC-300-RE, the MLX90372 offers identical packaging and safety qualification but removes dual-output capability, while the AS5055A requires redesign of signal chain and forfeits ASIL-B support-making MLX90371GVD-EAC-300-RE uniquely suited for dual-channel automotive position sensing with PCB-less integration.
Availability
MLX90371GVD-EAC-300-RE is available at Aetrix Electronics and suitable for automotive throttle control, steering angle feedback, valve position monitoring, and non-contacting potentiometer replacement requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for MLX90371GVD-EAC-300-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 intelligent sensors and driver ICs for automotive, industrial, and medical markets, with core expertise in magnetic sensing and embedded signal processing.
The MLX90371GVD-EAC-300-RE belongs to Melexis' Triaxis® position sensor product line, engineered specifically for high-accuracy, ASIL-B-compliant absolute position measurement in harsh automotive environments using PCB-less SMP packaging.
FAQ
What is the primary sensing principle used in the MLX90371GVD-EAC-300-RE?
The MLX90371GVD-EAC-300-RE uses Triaxis® Hall technology to measure all three orthogonal components (BX, BY, BZ) of magnetic flux density. This enables it to compute absolute angular or linear position from magnet motion without requiring external signal conditioning. The MLX90371GVD-EAC-300-RE achieves this with on-chip DSP, analog front-end, and dual-die integration in the SMP-4 package.
Does the MLX90371GVD-EAC-300-RE support functional safety requirements for automotive applications?
Yes, the MLX90371GVD-EAC-300-RE is certified as an ISO 26262 ASIL-B Safety Element out of Context (SEooC). It includes built-in diagnostics such as field-too-low/high detection, broken-wire monitoring on VDD/VSS, and gain saturation flags-all configurable via NVRAM. These features allow the MLX90371GVD-EAC-300-RE to meet systematic fault coverage targets without external safety monitors.
How does the dual-die configuration in the MLX90371GVD-EAC-300-RE improve system reliability?
The MLX90371GVD-EAC-300-RE integrates two independent Triaxis® sensing dies in a single SMP-4 package, each generating its own ratiometric analog output (OUT1 and OUT2). This enables hardware-level redundancy: ECU can compare outputs for plausibility checks, detect single-point failures, and maintain safe operation during partial faults. Unlike discrete dual-sensor solutions, the MLX90371GVD-EAC-300-RE ensures matched thermal drift and timing behavior between channels.
Can the MLX90371GVD-EAC-300-RE be calibrated for custom magnetic configurations?
Yes, the MLX90371GVD-EAC-300-RE supports end-user programmable transfer characteristics including 4-/8-point linearization or 16-/32-segment piecewise-linear (PWL) curves stored in 256 B NVRAM. Calibration parameters-such as discontinuity point (DP), slope segments, and clamping thresholds-are written via Melexis' PTC interface. This allows the MLX90371GVD-EAC-300-RE to adapt precisely to unique magnet geometries and mechanical stroke profiles.
What are the key electrical interface requirements for the MLX90371GVD-EAC-300-RE?
The MLX90371GVD-EAC-300-RE requires a 4.5–5.5 V supply (VDD), draws 12–20 mA typical current, and outputs two ratiometric analog voltages (OUT1/OUT2) ranging from 0.5% to 98% of VDD. Load impedance must be ≥5 kΩ for reliable operation. Integrated decoupling capacitors in the SMP-4 package eliminate need for external bypass caps. No external clock or digital interface is required for basic analog operation.
MLX90371GVD-EAC-300-RE Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Melexis Technologies NV
- Package/Case:
- 4-SIP Module
- 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:
- Analog Voltage
- 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 ~ 160°C
- Grade:
- -
- Qualification:
- -
- Supplier Device Package:
- SMP-4
MLX90371GVD-EAC-300-RE FAQ
1.How can I place an order for MLX90371GVD-EAC-300-RE through Aetrix?
Please submit a Request for Quotation (RFQ) for MLX90371GVD-EAC-300-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 MLX90371GVD-EAC-300-RE reliable?
The price and inventory of MLX90371GVD-EAC-300-RE are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MLX90371GVD-EAC-300-RE is usually 5 days.
3.What payment methods are accepted for MLX90371GVD-EAC-300-RE?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MLX90371GVD-EAC-300-RE transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MLX90371GVD-EAC-300-RE?
MLX90371GVD-EAC-300-RE orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MLX90371GVD-EAC-300-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 MLX90371GVD-EAC-300-RE?
For technical support, including MLX90371GVD-EAC-300-RE datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MLX90371GVD-EAC-300-RE requirements.
6.How does Aetrix verify that MLX90371GVD-EAC-300-RE is sourced from the original manufacturer or authorized distributors?
All MLX90371GVD-EAC-300-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 MLX90371GVD-EAC-300-RE meets industry standards.
7.What is the process for return or replacement of MLX90371GVD-EAC-300-RE?
All MLX90371GVD-EAC-300-RE units undergo pre-shipment inspection (PSI). If there is an issue with MLX90371GVD-EAC-300-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 MLX90371GVD-EAC-300-RE part is unused and in its original packaging.
Return procedure for MLX90371GVD-EAC-300-RE:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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