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Melexis Technologies NV MLX90371GVS-BCC-253-RE
- Part No.:
- MLX90371GVS-BCC-253-RE
- Manufacturer:
- Melexis Technologies NV
- Category:
- Angle, Linear Position Measuring
- Package:
- 4-SIP Module, Formed Leads
- Datasheet:
-
MLX90371GVS-BCC-253-RE.pdf
- Description:
- SENSOR ROTRY/LNEAR ANLG/PWM 4DMP
- Quantity:
- Payment:
- Shipping:
Inventory:2,945
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Product details
Overview
MLX90371GVS-BCC-253-RE from Melexis is a Triaxis® monolithic position processor IC that senses BX, BY, and BZ magnetic field components to deliver absolute linear position output with 12-bit resolution, ±10° thermal accuracy, and stray-field immunity in Linear Stray-Field Immune Mode. It operates from -40°C to +160°C, supports programmable ratiometric analog or PWM output, and is qualified per ISO 26262 ASIL-B as a Safety Element out of Context.
For engineers reviewing the MLX90371GVS-BCC-253-RE datasheet, pinout, applications, or equivalent options, this device delivers robust contactless sensing for automotive pedal, throttle, and ride height systems where magnetic interference resilience and functional safety compliance are mandatory.
Technical Context
The MLX90371GVS-BCC-253-RE implements Triaxis® Hall technology with on-chip DSP, ADC, and NVRAM to decode absolute linear displacement from magnet motion. Its DMP-4 package integrates dual-mold construction with no PCB substrate, enabling direct soldering onto flex or rigid boards.
This variant uses Linear Stray-Field Immune Mode (BCC-2xx), features 12-bit analog/PWM output, supports programmable piecewise-linear transfer characteristics up to 32 segments, and includes built-in reverse-polarity and overvoltage protection on VDD and OUT pins.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Operating Temp | -40°C to +160°C - supports under-hood automotive environments without derating. |
| Supply Voltage | 4.5–5.5 V - compatible with standard 5 V automotive power rails. |
| Output Type | Selectable ratiometric analog or PWM - enables drop-in replacement for potentiometers or integration into digital control loops. |
| Resolution | 12-bit - provides 4096 distinct position steps across full range. |
| Thermal Accuracy | ±10° - ensures stable angular/linear reporting across full temperature range. |
| Stray-Field Immunity | Linear mode (BCC-253) - rejects external magnetic interference during linear position measurement. |
| Safety Certification | ISO 26262 ASIL-B SEooC - allows use in safety-critical subsystems without additional hardware redundancy. |
Pinout & Package
DMP-4 package: Dual Mold Package, PCB-less, 4-pin surface-mount with straight leads (STD2 2.54 mm pitch), optimized for high-volume automated assembly and compact mechanical integration.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | VSS | Ground reference for analog and digital sections - must be connected to system ground for EMC and accuracy. |
| 2 | VDD | Main supply input - includes integrated reverse-polarity and overvoltage protection up to -14 V / +45 V. |
| 3 | OUT | Programmable output - delivers either ratiometric analog voltage (0–100% VDD) or PWM signal (150–2000 Hz). |
| 4 | VSS | Dedicated ground return - dual VSS pins reduce ground impedance and improve noise immunity in noisy automotive environments. |
Key Features
| Feature | Design Value |
|---|---|
| Triaxis® Sensing | Simultaneous BX/BY/BZ detection enables true 3D magnetic field decoding for linear position without mechanical coupling. |
| Programmable Transfer Curve | Up to 32-segment piecewise-linear calibration - compensates for non-ideal magnet geometry and mechanical tolerances. |
| Stray-Field Immunity | Linear Stray-Field Immune Mode (BCC-253) - maintains accuracy in presence of external DC/AC magnetic fields up to ±1 T. |
| Integrated Diagnostics | Active and passive diagnostics including broken-wire detection on VDD/VSS and output clamping - satisfies ASIL-B fault coverage requirements. |
| On-Chip Filtering | Configurable FIR filters (FIR1/FIR11/FIR1111) - enables trade-off between latency (440–462 µs) and step response stability (968–5099 µs). |
Applications
| Pedal Position Sensing | Throttle Position Sensing |
|---|---|
Use Scenario: Monitoring accelerator or brake pedal travel in electric/hybrid powertrains with ECU feedback loop. IC Role / Device Role / Timing Role: Absolute linear position sensor providing real-time analog/PWM output with <462 µs latency for closed-loop torque control. Use Value: Eliminates potentiometer wear and drift while maintaining ASIL-B compliance for functional safety-critical actuation. | Use Scenario: Detecting throttle valve angle in gasoline/diesel engines with high EMI exposure near ignition systems. IC Role / Device Role / Timing Role: Contactless linear position transducer operating in Linear Stray-Field Immune Mode to reject ignition coil interference. Use Value: Delivers stable 12-bit resolution across -40°C to +160°C without recalibration, reducing calibration overhead in production. |
| Ride Height Control | Float-Level Sensing |
Use Scenario: Measuring suspension compression/expansion in adaptive air suspension systems for luxury and commercial vehicles. IC Role / Device Role / Timing Role: High-temperature linear position processor interfacing with magnet-attached shock absorber shaft. Use Value: Enables precise ride height adjustment using only two DMP-4 pins (VDD/OUT/VSS×2), minimizing board space and harness complexity. | Use Scenario: Monitoring fuel or coolant level via float arm with embedded magnet in tank-mounted sensor module. IC Role / Device Role / Timing Role: Absolute linear position sensor with programmable clamping and diagnostic outputs for fail-safe level reporting. Use Value: Supports 48-bit ID serialization and NVRAM storage of calibration data - simplifies field replacement and traceability. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar absolute linear position sensing applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MLX90371GVS-BCC-203-RE | Same DMP-4 package and Linear Stray-Field Immune Mode, but uses 100 nF output capacitor (BCC-20x) vs. 10 nF (BCC-25x) in MLX90371GVS-BCC-253-RE. | Slower analog slew rate (35 V/ms @ 330 nF) vs. 120 V/ms @ 100 nF - impacts dynamic response in fast-moving systems. | Select MLX90371GVS-BCC-203-RE when lower bandwidth and higher noise immunity are prioritized over response speed. |
| MLX90372GVS-BCC-253-RE | Successor IC with identical DMP-4 footprint and BCC-253 configuration, adds enhanced diagnostics and extended temperature margin (up to +175°C junction). | Supports higher ambient temperatures in next-gen powertrain modules - requires firmware update for new diagnostic registers. | Choose MLX90372GVS-BCC-253-RE for new designs targeting extended lifecycle or upgraded ASIL-B verification scope. |
Compared with MLX90371GVS-BCC-253-RE, the BCC-203 variant trades response speed for noise filtering headroom, while the MLX90372 upgrade extends thermal capability and diagnostic depth without changing mechanical layout or core signal chain behavior.
Availability
MLX90371GVS-BCC-253-RE is available at Aetrix Electronics and suitable for automotive pedal position sensing, throttle control systems, and ride height management requiring stable component supply across extended temperature ranges and functional safety compliance.
Supply support for MLX90371GVS-BCC-253-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 and industrial applications, with leadership in magnetic sensing and embedded safety solutions.
The MLX90371 product line delivers Triaxis® position processing for contactless absolute rotary and linear sensing, designed specifically for ASIL-B automotive subsystems where reliability, stray-field immunity, and programmable calibration are essential.
FAQ
What is the operating temperature range of the MLX90371GVS-BCC-253-RE?
The MLX90371GVS-BCC-253-RE operates from -40°C to +160°C ambient temperature, validated per AEC-Q100 Grade 0 qualification. This range covers under-hood automotive locations including engine compartments and transmission housings. The DMP-4 package's dual-mold construction contributes to thermal robustness without requiring external heatsinking.
Does the MLX90371GVS-BCC-253-RE support both analog and PWM output simultaneously?
No, the MLX90371GVS-BCC-253-RE supports either ratiometric analog output or PWM output - selected during programming via its NVRAM configuration. The output mode is fixed after programming and cannot be dynamically switched in operation. Both modes provide 12-bit effective resolution, with PWM offering inherent noise immunity in electrically noisy environments.
How does the Linear Stray-Field Immune Mode (BCC-253) differ from Standard Mode in the MLX90371GVS-BCC-253-RE?
The Linear Stray-Field Immune Mode (BCC-253) configures the MLX90371GVS-BCC-253-RE to reject external magnetic interference during linear position measurement by optimizing internal gain and filtering for in-plane field rejection. Standard Mode (BCC-3xx) uses legacy signal processing and offers lower immunity - making BCC-253 essential for applications near motors, solenoids, or high-current wiring.
What package type is used by the MLX90371GVS-BCC-253-RE and what are its mounting advantages?
The MLX90371GVS-BCC-253-RE uses the DMP-4 (Dual Mold Package) - a PCB-less, 4-pin surface-mount package with STD2 2.54 mm lead pitch. Its mold compound encapsulates die and bond wires directly, enabling direct soldering onto flex circuits or rigid boards without interposers. This reduces assembly cost, improves thermal coupling, and eliminates solder joint reliability concerns associated with traditional leadframes.
Is the MLX90371GVS-BCC-253-RE certified to ISO 26262, and what does ASIL-B SEooC mean for system integration?
Yes, the MLX90371GVS-BCC-253-RE is certified as an ISO 26262 ASIL-B Safety Element out of Context (SEooC). This means its internal safety mechanisms - including watchdog timers, memory ECC, diagnostic monitoring, and output clamping - have been independently verified to meet ASIL-B requirements without relying on external components. System integrators can reuse its safety case in higher-ASIL architectures when combined with appropriate system-level fault handling.
MLX90371GVS-BCC-253-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:
- Active
- Programmable:
- -
- For Measuring:
- Linear Position
- Technology:
- Hall Effect
- Rotation Angle - Electrical, Mechanical:
- -
- Linear Range:
- -
- Output:
- Analog Voltage, PWM
- 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:
- 4-DMP
MLX90371GVS-BCC-253-RE FAQ
1.How can I place an order for MLX90371GVS-BCC-253-RE through Aetrix?
Please submit a Request for Quotation (RFQ) for MLX90371GVS-BCC-253-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 MLX90371GVS-BCC-253-RE reliable?
The price and inventory of MLX90371GVS-BCC-253-RE are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MLX90371GVS-BCC-253-RE is usually 5 days.
3.What payment methods are accepted for MLX90371GVS-BCC-253-RE?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MLX90371GVS-BCC-253-RE transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MLX90371GVS-BCC-253-RE?
MLX90371GVS-BCC-253-RE orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MLX90371GVS-BCC-253-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 MLX90371GVS-BCC-253-RE?
For technical support, including MLX90371GVS-BCC-253-RE datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MLX90371GVS-BCC-253-RE requirements.
6.How does Aetrix verify that MLX90371GVS-BCC-253-RE is sourced from the original manufacturer or authorized distributors?
All MLX90371GVS-BCC-253-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 MLX90371GVS-BCC-253-RE meets industry standards.
7.What is the process for return or replacement of MLX90371GVS-BCC-253-RE?
All MLX90371GVS-BCC-253-RE units undergo pre-shipment inspection (PSI). If there is an issue with MLX90371GVS-BCC-253-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 MLX90371GVS-BCC-253-RE part is unused and in its original packaging.
Return procedure for MLX90371GVS-BCC-253-RE:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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