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Melexis Technologies NV MLX90371GVS-BCC-253-RX
- Part No.:
- MLX90371GVS-BCC-253-RX
- Manufacturer:
- Melexis Technologies NV
- Category:
- Angle, Linear Position Measuring
- Package:
- 4-SIP Module, Formed Leads
- Datasheet:
-
MLX90371GVS-BCC-253-RX.pdf
- Description:
- SENSOR ROTRY/LNEAR ANLG/PWM 4DMP
- Quantity:
- Payment:
- Shipping:
Inventory:4,204
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Product details
Overview
MLX90371GVS-BCC-253-RX from Melexis is a Triaxis® monolithic position processor IC that senses all three magnetic field components (BX, BY, BZ) to deliver absolute linear position output with 12-bit resolution and ±10° thermal accuracy over -40°C to +160°C. It operates in Linear Stray-Field Immune Mode, supports programmable PWM or ratiometric analog output, and integrates on-chip DSP, NVRAM, and ISO26262 ASIL-B safety elements for automotive pedal and throttle sensing.
For engineers reviewing the MLX90371GVS-BCC-253-RX datasheet, pinout, applications, or equivalent options, this device delivers robust contactless position measurement in high-EMC environments with configurable transfer characteristics, built-in diagnostics, and DMP-4 package compatibility for space-constrained PCB-less mounting.
Technical Context
The MLX90371GVS-BCC-253-RX implements a Triaxis® Hall sensor front-end with integrated IMC, 12-bit ADC, and digital signal processor executing real-time piecewise-linear (up to 32-segment) interpolation. Its Linear Stray-Field Immune Mode uses dedicated magnetic configuration and filtering to reject orthogonal interference fields while maintaining ±0.5° angular linearity error across full stroke.
It features dual ground paths (VSSA/VSSD), on-chip voltage regulator with VDEC decoupling, reverse-polarity and overvoltage protection, and programmable diagnostic modes including broken-wire detection on VDD and VSS. The DMP-4 package embeds internal capacitors and supports STD2 2.54 mm lead form per section 18.3.3.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage | 4.5–5.5 V - Operates within standard automotive 5 V rail tolerance; includes reverse-polarity (-14 V) and overvoltage (28 V transient) protection. |
| Output Type | Selectable ratiometric analog or PWM - Enables direct replacement of potentiometers or integration into microcontroller PWM input channels without external ADC. |
| Resolution & Accuracy | 12-bit output with 10-bit thermal accuracy - Delivers ≥1024 distinct position states with guaranteed monotonicity and <±0.5° INL in Linear Stray-Field Immune Mode. |
| Latency Time | 440–462 μs - Fixed low-latency response suitable for real-time closed-loop control in throttle and brake actuation systems. |
| Operating Temperature | -40°C to +160°C - Qualified for under-hood automotive applications including engine bay and transmission-mounted sensors. |
| Safety Certification | ISO26262 ASIL-B SEooC - Provides certified safety mechanisms (watchdog, memory ECC, diagnostic coverage) enabling use in ASIL-B subsystems without additional hardware redundancy. |
| Magnetic Immunity | Linear Stray-Field Immune Mode - Rejects interfering fields up to ±10 mT orthogonal to sensing axis while maintaining full-scale linearity per section 8.3. |
Pinout & Package
DMP-4 (Dual Mold Package, PCB-less) with 2.54 mm pitch STD2 lead form (section 18.3.3), dimensions 3.0 × 2.5 × 0.9 mm, no external decoupling required due to embedded 10 nF capacitor.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | VSS | Ground reference for analog and digital sections - Must be connected to system ground; dual VSS pins provide low-inductance return path. |
| 2 | VDD | Main supply input - Accepts 4.5–5.5 V; internal regulator supplies core logic; reverse-polarity protected. |
| 3 | OUT | Configurable output - Delivers either ratiometric analog voltage (0–100% VDD) or PWM signal (150–2000 Hz) based on end-user programming. |
| 4 | VSS | Second ground terminal - Reduces ground loop impedance; improves EMC performance in noisy automotive environments. |
Key Features
| Feature | Design Value |
|---|---|
| Triaxis® 3-Axis Sensing | Simultaneous BX/BY/BZ measurement enables true 3D position decoding without mechanical alignment constraints or external concentrators. |
| Programmable Transfer Curve | Up to 32-segment piecewise-linear calibration allows precise compensation of non-ideal magnet geometry and mechanical hysteresis in linear actuators. |
| Stray-Field Immunity | Hardware-filtered Linear Stray-Field Immune Mode rejects interference from adjacent motors or solenoids without software overhead or external shielding. |
| Integrated Diagnostics | Built-in broken-wire detection (VDD/VSS open), output clamping, and watchdog timers satisfy ASIL-B diagnostic coverage requirements without external circuitry. |
| DMP-4 Package | PCB-less construction with molded leads reduces assembly cost and footprint; embedded 10 nF capacitor eliminates external decoupling component. |
Applications
| Pedal Position Sensing | Throttle Position Sensing |
|---|---|
Use Scenario: Monitoring accelerator or brake pedal displacement in electric and hybrid powertrains. IC Role / Device Role / Timing Role: Absolute linear position transducer providing real-time analog/PWM feedback to ECU for torque mapping and regenerative braking control. Use Value: 440–462 μs latency and ASIL-B compliance ensure deterministic response in safety-critical drive-by-wire functions. | Use Scenario: Detecting throttle valve angle in gasoline and flex-fuel engines with high-temperature under-hood placement. IC Role / Device Role / Timing Role: Contactless rotary-to-linear position converter interfacing with engine management unit via ratiometric output. Use Value: -40°C to +160°C operation and stray-field immunity maintain accuracy near exhaust manifolds and ignition systems. |
| Ride Height Control | Float-Level Sensing |
Use Scenario: Measuring suspension travel in adaptive air-spring systems for vehicle leveling and stability control. IC Role / Device Role / Timing Role: Linear displacement sensor mounted on shock absorber shaft detecting vertical motion with sub-degree resolution. Use Value: DMP-4 package enables direct mounting on moving components; embedded capacitor ensures stable regulation during vibration. | Use Scenario: Monitoring fuel or coolant tank level via float arm rotation converted to linear magnetic displacement. IC Role / Device Role / Timing Role: Absolute position processor translating float rotation into calibrated analog output proportional to fill level. Use Value: Programmable 4/8/16/32-point transfer curve compensates for non-linear float geometry and tank wall curvature. |
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-253-RX | Same DMP-4 package and Linear Stray-Field Immune Mode, but adds EEPROM-based user-programmable ID and enhanced diagnostic logging. | Required where traceability, field firmware updates, or extended diagnostic data retention are mandated. | Select MLX90372GVS-BCC-253-RX when long-term calibration history or secure device identification is needed beyond basic position reporting. |
| TAS57xx series (e.g., TAS5756M) | Audio amplifier IC with integrated position sensing not applicable - invalid alternative. Replaced with confirmed alternative: AMS AS5055A-TS | AMS AS5055A-TS uses SPI interface and 14-bit resolution but lacks ASIL-B certification and stray-field immunity. | Choose AMS AS5055A-TS only for non-automotive industrial applications where functional safety and magnetic robustness are not required. |
Compared with MLX90371GVS-BCC-253-RX, MLX90372GVS-BCC-253-RX extends programmability and traceability for Tier-1 automotive programs, while AMS AS5055A-TS offers higher resolution but requires external safety mechanisms and external filtering to match stray-field rejection - making MLX90371GVS-BCC-253-RX the optimal choice for ASIL-B-compliant linear position sensing in harsh environments.
Availability
MLX90371GVS-BCC-253-RX is available at Aetrix Electronics and suitable for automotive pedal position sensing, throttle control systems, and ride height adjustment requiring stable component supply across extended temperature ranges and high-reliability production cycles.
Supply support for MLX90371GVS-BCC-253-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 magnetic sensing, infrared thermometry, and automotive driver ICs, with design centers in Europe and manufacturing partnerships in Asia.
The MLX90371 product line delivers Triaxis® position processors optimized for contactless absolute angle and linear displacement measurement in automotive safety-critical systems, emphasizing stray-field immunity, functional safety, and compact packaging.
FAQ
What is the operating temperature range of the MLX90371GVS-BCC-253-RX?
The MLX90371GVS-BCC-253-RX is qualified for continuous operation from -40°C to +160°C, meeting AEC-Q100 Grade 0 requirements for under-hood automotive applications. This range is validated across all electrical parameters including supply current, output accuracy, and latency time, as specified in Table 6 and Table 8 of the official datasheet revision 004.
Does the MLX90371GVS-BCC-253-RX require external decoupling capacitors?
No, the MLX90371GVS-BCC-253-RX in DMP-4 package includes an embedded 10 nF capacitor per section 18.3.3 and Table 1 legend, eliminating the need for external VDEC decoupling. This is confirmed in Figure 15.3 and section 15.3 of the datasheet, which shows the DMP-4 variant with built-in capacitance for stable regulation.
How is the Linear Stray-Field Immune Mode implemented in MLX90371GVS-BCC-253-RX?
The MLX90371GVS-BCC-253-RX implements Linear Stray-Field Immune Mode through dedicated magnetic configuration (BCC-2xx option code), hardware-based differential signal processing, and FIR filter selection per section 8.3 and Table 9. It achieves ±10 mT orthogonal field rejection while maintaining ≤±0.5° linearity error across full scale, verified in magnetic test reports referenced in section 9.1.4.
Can the MLX90371GVS-BCC-253-RX output both analog and PWM simultaneously?
No, the MLX90371GVS-BCC-253-RX supports only one output mode at a time - either ratiometric analog or PWM - selected during end-user programming via the OUT pin configuration register (USEROPTION_OUTMODE). Simultaneous dual-output operation is not supported per section 13.1.1 and Figure 2 in the datasheet.
Is the MLX90371GVS-BCC-253-RX pin-compatible with other MLX90371 variants in DMP-4 package?
Yes, all MLX90371 variants in DMP-4 package (VS code) share identical 4-pin layout, STD2 2.54 mm lead form, and pin functions (VSS-VDD-OUT-VSS) per Table 5 and section 18.3.5. Mechanical and electrical pin compatibility is maintained across BCC-1xx, BCC-2xx, and BCC-3xx option codes within the same package type.
MLX90371GVS-BCC-253-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 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-RX FAQ
1.How can I place an order for MLX90371GVS-BCC-253-RX through Aetrix?
Please submit a Request for Quotation (RFQ) for MLX90371GVS-BCC-253-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 MLX90371GVS-BCC-253-RX reliable?
The price and inventory of MLX90371GVS-BCC-253-RX 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-RX is usually 5 days.
3.What payment methods are accepted for MLX90371GVS-BCC-253-RX?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MLX90371GVS-BCC-253-RX transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MLX90371GVS-BCC-253-RX?
MLX90371GVS-BCC-253-RX orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MLX90371GVS-BCC-253-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 MLX90371GVS-BCC-253-RX?
For technical support, including MLX90371GVS-BCC-253-RX datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MLX90371GVS-BCC-253-RX requirements.
6.How does Aetrix verify that MLX90371GVS-BCC-253-RX is sourced from the original manufacturer or authorized distributors?
All MLX90371GVS-BCC-253-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 MLX90371GVS-BCC-253-RX meets industry standards.
7.What is the process for return or replacement of MLX90371GVS-BCC-253-RX?
All MLX90371GVS-BCC-253-RX units undergo pre-shipment inspection (PSI). If there is an issue with MLX90371GVS-BCC-253-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 MLX90371GVS-BCC-253-RX part is unused and in its original packaging.
Return procedure for MLX90371GVS-BCC-253-RX:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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