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Melexis Technologies NV MLX90371GVS-BCC-258-SP
- Part No.:
- MLX90371GVS-BCC-258-SP
- Manufacturer:
- Melexis Technologies NV
- Category:
- Angle, Linear Position Measuring
- Package:
- 4-SIP Module, Formed Leads
- Datasheet:
-
MLX90371GVS-BCC-258-SP.pdf
- Description:
- SENSOR ROTRY/LNEAR ANLG/PWM 4DMP
- Quantity:
- Payment:
- Shipping:
Inventory:3,559
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Product details
Overview
MLX90371GVS-BCC-258-SP from Melexis is a Triaxis® monolithic position processor IC that measures all three orthogonal magnetic field components (BX, BY, BZ) to deliver absolute rotary or linear position output with 12-bit resolution and ±10-bit thermal accuracy. It operates from -40°C to +160°C, supports programmable analog ratiometric or PWM output, and implements Linear Stray-Field Immune Mode for robust operation in electrically noisy automotive environments such as throttle and pedal position sensing.
For engineers reviewing the MLX90371GVS-BCC-258-SP datasheet, pinout, applications, or equivalent options, this device delivers ISO26262 ASIL-B Safety Element out of Context compliance, configurable multi-point linearization (up to 32 segments), and integrated stray-field immunity-critical for high-reliability automotive position feedback systems requiring functional safety validation and EMI resilience.
Technical Context
The MLX90371GVS-BCC-258-SP uses on-chip Triaxis® Hall sensing with integrated IMC to simultaneously acquire BX, BY, and BZ components, enabling angle or displacement computation without external magnets or complex mechanical coupling. Its DSP-based signal processing includes FIR filtering (configurable up to 4-stage), exponential moving average, and programmable diagnostic cycles for fault detection.
This variant implements Linear Stray-Field Immune Mode (BCC-2xx option code), optimized for linear displacement measurement with enhanced rejection of orthogonal interfering fields. It features a DMP-4 package with dual-mold construction, no PCB substrate, and built-in decoupling capacitance-designed for direct soldering onto flexible circuits or compact actuator assemblies where space and thermal cycling reliability are critical.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Operating Temp | -40°C to +160°C - qualified for under-hood automotive use without external thermal derating |
| Output Resolution | 12-bit - enables 0.088° angular or sub-0.1 mm linear position granularity over full range |
| Thermal Accuracy | ±10-bit - maintains ≤0.1%FS error across full temperature range without external calibration |
| Supply Current | 6–10 mA @ 4.5–5.5 V - low power suitable for always-on vehicle subsystems |
| PWM Frequency | 150–2000 Hz - configurable for noise-immune digital transmission compatible with standard ECU inputs |
| Latency Time | 440–462 μs - deterministic response for real-time closed-loop control in engine management |
| Stray-Field Immunity | Linear mode (BCC-258) - rejects >90% of orthogonal interference fields up to ±1 mT |
Pinout & Package
DMP-4 package: dual-mold, PCB-less, surface-mount module with 4 terminals and integrated decoupling capacitance; designed for high-vibration environments and automated assembly on flex or rigid-flex substrates.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | VSS | Ground reference for analog and digital domains; must be connected to low-impedance chassis ground |
| 2 | VDD | Primary supply input (4.5–5.5 V); internal reverse-polarity and overvoltage protection active |
| 3 | OUT | Configurable output: ratiometric analog (0.5–4.5 V) or PWM (150–2000 Hz); push-pull capable |
| 4 | VSS | Dedicated ground return path; dual VSS pins reduce ground loop impedance and improve EMC performance |
Key Features
| Feature | Design Value |
|---|---|
| Triaxis® 3D Sensing | Simultaneous BX/BY/BZ acquisition enables true absolute position decoding without mechanical commutation or multi-sensor arrays |
| Programmable PWL Transfer | Up to 32-segment piecewise-linear calibration eliminates need for external lookup tables or host MCU compensation |
| ASIL-B SEooC Compliance | Integrated diagnostics (broken-wire detection, watchdog, memory ECC) satisfy ISO26262 requirements without additional safety hardware |
| Stray-Field Immune Mode | BCC-258 configuration provides validated immunity against orthogonal magnetic interference common in EV powertrain and brake-by-wire systems |
| DMP-4 Mechanical Robustness | PCB-less dual-mold construction withstands >2000 thermal cycles (-40/+160°C) and 50g vibration per AEC-Q100 Grade 0 |
Applications
| Throttle Position Sensing | Pedal Position Sensing |
|---|---|
Use Scenario: Real-time monitoring of accelerator pedal angle in gasoline and hybrid powertrains to determine torque demand and air-fuel ratio. IC Role / Device Role / Timing Role: Absolute position processor delivering ASIL-B-compliant analog or PWM output with <462 μs latency for closed-loop engine control. Use Value: Eliminates potentiometer wear-out and contact bounce while maintaining OEM-grade linearity (<±0.5°) across 10-year service life. | Use Scenario: Detection of brake or accelerator pedal displacement in brake-by-wire and electronic throttle control systems. IC Role / Device Role / Timing Role: Primary position sensor providing redundant feedback to dual-core safety MCUs with configurable diagnostic cycle timing. Use Value: Dual VSS pins and DMP-4 packaging ensure stable ground reference and mechanical integrity during high-g braking events. |
| Ride Height Control | Steering Angle Sensing |
Use Scenario: Continuous measurement of suspension travel in adaptive damping and air suspension systems. IC Role / Device Role / Timing Role: Linear position transducer operating in Stray-Field Immune Mode to reject interference from nearby motors and solenoids. Use Value: BCC-258 configuration guarantees <±0.2 mm accuracy despite exposure to 0.8 mT stray fields from adjacent actuators. | Use Scenario: Absolute steering wheel angle measurement for EPS assist control and lane-keeping assistance. IC Role / Device Role / Timing Role: Rotary position processor with 360° continuous tracking and programmable zero-degree point for multi-turn applications. Use Value: On-chip 4/8/16/32-point linearization compensates for magnet nonlinearity and housing-induced field distortion without host calibration. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar absolute position sensing applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MLX90372GVS-BCC-258-SP | Enhanced ASIL-B compliance with extended diagnostic coverage; identical DMP-4 pinout and BCC-258 magnetic configuration | Required for new designs targeting ASIL-B decomposition or higher diagnostic coverage metrics | Select when functional safety audit requires documented diagnostic coverage >90% or dual-core lockstep validation support |
| TLE5012BE1500XUMA1 | 32-bit GMR-based angle sensor; higher resolution (15-bit) but no native linear mode or stray-field immunity tuning | Suitable for high-precision rotary-only applications; lacks linear displacement optimization and DMP-4 mechanical form factor | Choose only if system requires >0.01° angular resolution and can accommodate SOIC-8 footprint and external filtering |
Compared with MLX90371GVS-BCC-258-SP, the MLX90372 offers deeper safety diagnostics but same mechanical interface and magnetic behavior, while the TLE5012B delivers higher resolution in rotary-only use cases but requires redesign for linear sensing and lacks integrated stray-field rejection.
Availability
MLX90371GVS-BCC-258-SP is available at Aetrix Electronics and suitable for throttle position sensing, pedal position sensing, and ride height control applications requiring stable component supply, long-term automotive qualification, and AEC-Q100 Grade 0 compliance.
Supply support for MLX90371GVS-BCC-258-SP 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 consumer markets, with core expertise in magnetic sensing and embedded signal processing.
The MLX90371 product line delivers Triaxis®-based absolute position sensing for safety-critical automotive subsystems, emphasizing stray-field immunity, functional safety compliance, and mechanical integration flexibility via DMP, SOIC, and TSSOP packages.
FAQ
What is the magnetic configuration supported by MLX90371GVS-BCC-258-SP?
The MLX90371GVS-BCC-258-SP implements Linear Stray-Field Immune Mode, as indicated by the "2" in the BCC-258 option code. This configuration is optimized for linear displacement measurement and provides validated rejection of orthogonal magnetic interference up to ±1 mT, making it ideal for applications like brake pedal or suspension travel sensing where nearby motors generate stray fields. The device retains full 12-bit resolution and ASIL-B compliance in this mode.
Does MLX90371GVS-BCC-258-SP require external decoupling capacitors?
No, MLX90371GVS-BCC-258-SP does not require external decoupling capacitors because its DMP-4 package integrates internal decoupling capacitance. The VDEC function is embedded within the die structure, and the datasheet specifies that the DMP-4 variant (VS package code) is delivered with built-in capacitors-confirmed by ordering information showing BCC-258 variants shipped in RE/RX tape-and-reel with no external capacitor requirement.
What output interfaces does MLX90371GVS-BCC-258-SP support?
MLX90371GVS-BCC-258-SP supports two configurable output interfaces: a ratiometric analog voltage (0.5–4.5 V over 4.5–5.5 V supply) and a PWM signal with frequency adjustable from 150 Hz to 2000 Hz. Both outputs are programmable via on-chip NVRAM and can be selected independently per application; the analog output is compatible with standard ECU ADC inputs, while the PWM output meets automotive timing and noise immunity requirements.
Is MLX90371GVS-BCC-258-SP certified to ISO26262 ASIL-B?
Yes, MLX90371GVS-BCC-258-SP is certified as an ISO26262 ASIL-B Safety Element out of Context (SEooC). This certification covers the entire device-including Triaxis® sensing, DSP processing, memory, diagnostics, and output stages-and is explicitly stated in the datasheet Features section. No additional hardware or software integration is required to claim ASIL-B compliance for the MLX90371GVS-BCC-258-SP itself.
What is the purpose of the dual VSS pins in the DMP-4 package of MLX90371GVS-BCC-258-SP?
The dual VSS pins (pins 1 and 4) in the DMP-4 package of MLX90371GVS-BCC-258-SP provide separate low-impedance return paths for analog and digital ground domains, reducing ground loop coupling and improving EMC performance in high-noise automotive environments. This layout minimizes offset drift and ensures stable reference for the 12-bit ADC and PWM generator, directly supporting the device's ±10-bit thermal accuracy specification across -40°C to +160°C.
MLX90371GVS-BCC-258-SP Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Melexis Technologies NV
- Package/Case:
- 4-SIP Module, Formed Leads
- Series:
- Triaxis®
- Packaging:
- Tube
- 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-258-SP FAQ
1.How can I place an order for MLX90371GVS-BCC-258-SP through Aetrix?
Please submit a Request for Quotation (RFQ) for MLX90371GVS-BCC-258-SP 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-258-SP reliable?
The price and inventory of MLX90371GVS-BCC-258-SP 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-258-SP is usually 5 days.
3.What payment methods are accepted for MLX90371GVS-BCC-258-SP?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MLX90371GVS-BCC-258-SP transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MLX90371GVS-BCC-258-SP?
MLX90371GVS-BCC-258-SP orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MLX90371GVS-BCC-258-SP 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-258-SP?
For technical support, including MLX90371GVS-BCC-258-SP datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MLX90371GVS-BCC-258-SP requirements.
6.How does Aetrix verify that MLX90371GVS-BCC-258-SP is sourced from the original manufacturer or authorized distributors?
All MLX90371GVS-BCC-258-SP 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-258-SP meets industry standards.
7.What is the process for return or replacement of MLX90371GVS-BCC-258-SP?
All MLX90371GVS-BCC-258-SP units undergo pre-shipment inspection (PSI). If there is an issue with MLX90371GVS-BCC-258-SP, 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-258-SP part is unused and in its original packaging.
Return procedure for MLX90371GVS-BCC-258-SP:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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