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Melexis Technologies NV MLX90371GVS-BCC-300-RX
- Part No.:
- MLX90371GVS-BCC-300-RX
- Manufacturer:
- Melexis Technologies NV
- Category:
- Angle, Linear Position Measuring
- Package:
- 4-SIP Module
- Datasheet:
-
MLX90371GVS-BCC-300-RX.pdf
- Description:
- SENSOR ROTARY 360DEG PC PIN
- Quantity:
- Payment:
- Shipping:
Inventory:4,939
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Product details
Overview
MLX90371GVS-BCC-300-RX from Melexis is a Triaxis® monolithic position processor IC that senses BX, BY, and BZ magnetic field components to deliver absolute rotary or linear position output with 12-bit resolution, ±10-bit thermal accuracy, and programmable analog or PWM output in Standard/Legacy Mode. It operates from -40°C to +160°C, supports stray-field immunity, and is used in automotive throttle, pedal, and steering wheel position sensing.
For engineers reviewing the MLX90371GVS-BCC-300-RX datasheet, pinout, applications, or equivalent options, key selection criteria include DMP-4 package compatibility, 4.5–5.5 V supply operation, 440–462 µs latency, ISO26262 ASIL-B safety compliance, and programmable piecewise-linear transfer characteristics.
Technical Context
The MLX90371GVS-BCC-300-RX implements on-chip DSP-based signal processing of triaxial Hall sensor data to compute absolute angular or linear position without external microcontroller intervention. Its architecture includes a 12-bit ADC, FIR filtering (configurable up to 4-stage), temperature compensation, and non-volatile memory for user-programmable calibration and transfer functions.
This variant uses Standard/Legacy Mode firmware (BCC-300), enabling backward compatibility with prior-generation MLX9037x devices. It supports ratiometric analog output (0–100% VDD) or 150–2000 Hz PWM output, with clamping, diagnostic bands, and broken-wire detection fully configurable via NVRAM.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage | 4.5–5.5 V - Ensures stable operation across automotive battery variations including cold-crank transients. |
| Operating Temperature | -40°C to +160°C - Qualified for under-hood and transmission-mounted applications without external cooling. |
| Output Resolution | 12-bit - Delivers 4096 distinct position steps over full scale, supporting high-precision control loops. |
| Latency Time | 440–462 µs - Enables real-time closed-loop response in fast-acting systems like electronic throttle control. |
| PWM Frequency Range | 150–2000 Hz - Allows flexible ECU sampling synchronization and noise rejection via frequency selection. |
| Analog Slew Rate | 200 V/ms (no load) - Supports rapid position transitions while maintaining signal fidelity in dynamic motion profiles. |
| Safety Certification | ISO26262 ASIL-B SEooC - Provides documented safety mechanisms for integration into ASIL-B system architectures without additional hardware redundancy. |
Pinout & Package
DMP-4 (Dual Mold Package, PCB-less) with 4 leads: compact, surface-mountable, no external decoupling capacitor required due to integrated VDEC functionality.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | VSS | Ground reference for analog and digital domains; dual connection improves EMC robustness. |
| 2 | VDD | Main power supply input (4.5–5.5 V); internal regulator provides stable core voltage. |
| 3 | OUT | Programmable output terminal delivering either ratiometric analog voltage or PWM signal. |
| 4 | VSS | Second ground terminal; reduces impedance path and enhances noise immunity in high-EMI environments. |
Key Features
| Feature | Design Value |
|---|---|
| Triaxis® Sensing | Simultaneous measurement of BX, BY, BZ enables true 3D position decoding without mechanical alignment constraints. |
| Programmable Transfer Function | Supports 4/8-point LNR or 16/32-segment PWL mapping - allows precise linearization for custom magnet geometries. |
| Stray-Field Immunity | Standard/Legacy Mode retains baseline immunity against external magnetic interference per ISO11452-8. |
| On-Chip Diagnostics | Includes active diagnostics (short/open detection) and passive broken-wire monitoring on VDD/VSS lines. |
| 48-bit ID Number | Enables unique device identification and traceability in production and field-replaceable units. |
Applications
| Throttle Position Sensing | Pedal Position Sensing |
|---|---|
Use Scenario: Monitoring accelerator pedal angle in gasoline and hybrid powertrains to determine engine torque demand. IC Role / Device Role / Timing Role: Absolute position processor providing real-time analog/PWM output synchronized to ECU sampling clocks. Use Value: 12-bit resolution and <462 µs latency ensure accurate torque mapping across full pedal travel with minimal phase lag. | Use Scenario: Detecting brake or clutch pedal displacement in brake-by-wire and automated manual transmission systems. IC Role / Device Role / Timing Role: Robust magnetic position sensor immune to under-dash EMI and fluid exposure. Use Value: DMP-4 package enables direct PCB mounting near pedal pivot; ASIL-B compliance satisfies functional safety requirements. |
| Steering Wheel Angle Sensing | Ride Height Control |
Use Scenario: Measuring absolute steering angle for EPS assist calculation and vehicle stability control (VSC). IC Role / Device Role / Timing Role: Triaxis® processor decoding rotational position from ring magnet mounted on steering column. Use Value: Stray-field immunity prevents false readings from nearby motors or solenoids; programmable zero-degree point simplifies calibration. | Use Scenario: Monitoring suspension travel in adaptive air ride systems to maintain level vehicle height. IC Role / Device Role / Timing Role: Linear position sensor detecting magnet displacement along shock absorber shaft. Use Value: Standard/Legacy Mode ensures compatibility with existing control algorithms; thermal accuracy maintains precision across ambient extremes. |
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-300-RX | Same DMP-4 package and BCC-300 mode, but adds enhanced diagnostic coverage and extended temperature qualification to +175°C junction. | Required where higher junction temperature margin or deeper diagnostic logging is mandated by OEM safety requirements. | Select MLX90372GVS-BCC-300-RX when upgrading legacy designs needing improved diagnostic completeness or extended thermal headroom. |
| AMS AS5055A-BQFT | 14-bit resolution, SPI interface only (no analog/PWM), different magnetic configuration (requires diametric magnet), no ASIL-B certification. | Suitable for non-safety-critical industrial encoders but lacks automotive qualification and output flexibility. | Choose AMS AS5055A-BQFT only for cost-sensitive, non-automotive applications where SPI interface and higher resolution outweigh need for analog/PWM output and functional safety. |
Compared with MLX90371GVS-BCC-300-RX, the MLX90372 variant extends safety diagnostics and thermal range while maintaining pinout and firmware compatibility; the AS5055A offers higher resolution but requires redesign for SPI communication and lacks ASIL-B support, limiting automotive use.
Availability
MLX90371GVS-BCC-300-RX is available at Aetrix Electronics and suitable for automotive throttle position sensing, pedal position sensing, and steering angle sensing requiring stable component supply across extended temperature ranges and long product lifecycles.
Supply support for MLX90371GVS-BCC-300-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 and signal processing.
The MLX90371 product line delivers Triaxis® absolute position sensing for safety-critical automotive applications, designed specifically to replace contact-based potentiometers with robust, non-contact alternatives meeting ISO26262 ASIL-B requirements.
FAQ
What is the operating temperature range of the MLX90371GVS-BCC-300-RX?
The MLX90371GVS-BCC-300-RX is qualified for continuous operation from -40°C to +160°C ambient temperature, making it suitable for under-hood and transmission-mounted automotive applications. This rating is validated per AEC-Q100 Grade 0 requirements and applies directly to the DMP-4 package variant with BCC-300 firmware configuration.
Does the MLX90371GVS-BCC-300-RX support both analog and PWM outputs?
Yes, the MLX90371GVS-BCC-300-RX supports selectable ratiometric analog voltage output (0–100% VDD) or programmable PWM output (150–2000 Hz). Output mode is configured via NVRAM programming during production or field calibration, and both modes retain full 12-bit resolution and ASIL-B safety mechanisms.
What package type does the MLX90371GVS-BCC-300-RX use, and what are its mounting advantages?
The MLX90371GVS-BCC-300-RX uses the DMP-4 (Dual Mold Package), a PCB-less surface-mount package with four leads. Its compact footprint, integrated decoupling capability, and absence of external capacitors simplify layout, reduce BOM count, and improve reliability in high-vibration environments such as engine compartments.
Is the MLX90371GVS-BCC-300-RX certified for automotive functional safety standards?
Yes, the MLX90371GVS-BCC-300-RX is certified as an ISO26262 ASIL-B Safety Element out of Context (SEooC). This includes documented safety mechanisms such as internal diagnostics, watchdog timers, memory ECC, and failure mode analysis - enabling its use in ASIL-B system architectures without requiring additional hardware redundancy.
How is the magnetic transfer function programmed on the MLX90371GVS-BCC-300-RX?
The MLX90371GVS-BCC-300-RX supports end-user programming of its transfer function via I²C-compatible interface using Melexis' PTM software. Users can configure 4- or 8-point linearization tables or 16-/32-segment piecewise-linear curves, set discontinuity points, enable scaling, and adjust gain parameters - all stored in on-chip NVRAM for persistent operation after power cycle.
MLX90371GVS-BCC-300-RX 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, 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-300-RX FAQ
1.How can I place an order for MLX90371GVS-BCC-300-RX through Aetrix?
Please submit a Request for Quotation (RFQ) for MLX90371GVS-BCC-300-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-300-RX reliable?
The price and inventory of MLX90371GVS-BCC-300-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-300-RX is usually 5 days.
3.What payment methods are accepted for MLX90371GVS-BCC-300-RX?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MLX90371GVS-BCC-300-RX transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MLX90371GVS-BCC-300-RX?
MLX90371GVS-BCC-300-RX orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MLX90371GVS-BCC-300-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-300-RX?
For technical support, including MLX90371GVS-BCC-300-RX datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MLX90371GVS-BCC-300-RX requirements.
6.How does Aetrix verify that MLX90371GVS-BCC-300-RX is sourced from the original manufacturer or authorized distributors?
All MLX90371GVS-BCC-300-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-300-RX meets industry standards.
7.What is the process for return or replacement of MLX90371GVS-BCC-300-RX?
All MLX90371GVS-BCC-300-RX units undergo pre-shipment inspection (PSI). If there is an issue with MLX90371GVS-BCC-300-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-300-RX part is unused and in its original packaging.
Return procedure for MLX90371GVS-BCC-300-RX:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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