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Melexis Technologies NV MLX90371GVS-BCC-303-RX
- Part No.:
- MLX90371GVS-BCC-303-RX
- Manufacturer:
- Melexis Technologies NV
- Category:
- Angle, Linear Position Measuring
- Package:
- 4-SIP Module, Formed Leads
- Datasheet:
-
MLX90371GVS-BCC-303-RX.pdf
- Description:
- SENSOR ROTRY/LNEAR ANLG/PWM 4DMP
- Quantity:
- Payment:
- Shipping:
Inventory:1,928
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Product details
Overview
MLX90371GVS-BCC-303-RX 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 with 12-bit resolution and ±10-bit thermal accuracy. It operates from -40°C to +160°C, supports programmable ratiometric analog or PWM output, and implements stray-field immunity in Standard/Legacy mode for automotive pedal and throttle sensing.
For engineers reviewing the MLX90371GVS-BCC-303-RX datasheet, pinout, applications, or equivalent options, key selection criteria include DMP-4 package compatibility, 4.5–5.5 V supply operation, ISO26262 ASIL-B safety compliance, 482 µs refresh rate, and programmable piece-wise-linear transfer characteristic up to 32 segments.
Technical Context
The MLX90371GVS-BCC-303-RX uses integrated magnetic concentrators and on-chip DSP to decode absolute angular or linear displacement from magnet motion, with internal ADC, temperature sensor, and NVRAM for user-programmable calibration. Its architecture includes dual-stage filtering (FIR or exponential moving average), configurable diagnostic modes (active/passive), and clamping-level control for robust signal integrity.
This variant implements Standard/Legacy Mode (BCC-303), providing backward compatibility with prior-generation MLX903xx devices while retaining full programmability of output range, transfer function, and PWM frequency (150–2000 Hz). It does not support dual-die isolation or high-field rotary configurations.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage | 4.5–5.5 V - Enables direct connection to automotive 5 V rails without external regulation. |
| Operating Temperature | -40°C to +160°C - Qualified for under-hood and transmission-mounted applications. |
| Output Resolution | 12-bit - Delivers 4096 discrete position steps over full scale for high-precision feedback. |
| Refresh Rate | 482 µs - Ensures ≤2.1 kHz sampling for real-time closed-loop control in fast-response systems. |
| Latency Time | 440–462 µs - Guarantees deterministic timing for time-critical ECU synchronization. |
| PWM Frequency Range | 150–2000 Hz - Supports flexible ECU input capture window sizing and noise rejection tuning. |
| Analog Slew Rate | 200 V/ms (no load) - Prevents overshoot during rapid position transitions with minimal external filtering. |
| Safety Certification | ISO26262 ASIL-B SEooC - Validated as a Safety Element out of Context for integration into ASIL-B or lower systems. |
Pinout & Package
DMP-4 (Dual Mold Package, PCB-less) with 4 leads: compact surface-mount footprint optimized for direct soldering onto flex or rigid PCBs; 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; must be connected to system ground plane for EMC compliance. |
| 2 | VDD | Main power supply input; accepts 4.5–5.5 V with reverse-polarity and overvoltage protection. |
| 3 | OUT | Programmable output terminal supporting ratiometric analog voltage or PWM signal; push-pull capable up to 30 mA. |
| 4 | VSS | Dedicated ground return path - improves noise immunity and enables Kelvin sensing for precision applications. |
Key Features
| Feature | Design Value |
|---|---|
| Triaxis® Sensing Architecture | Simultaneous measurement of BX, BY, BZ enables true 3D magnetic field decoding for absolute angle/linear position without mechanical cam or gear constraints. |
| Stray-Field Immunity (Standard Mode) | Robust operation in magnetically noisy environments (e.g., near motors or solenoids) without external shielding or recalibration. |
| Programmable Transfer Function | Supports 4-, 8-point linear interpolation or 16-/32-segment piece-wise-linear mapping - eliminates need for external lookup tables or MCU compensation. |
| On-Chip Diagnostic Engine | Includes active diagnostics (short/open detection) and passive broken-wire monitoring (VDD/VSS loss) - reduces BOM count and simplifies functional safety validation. |
| Integrated Regulator & Decoupling | VDEC functionality embedded in DMP-4 package eliminates requirement for external 100 nF capacitor - saves board space and improves reliability. |
Applications
| Pedal Position Sensing | Throttle Position Sensing |
|---|---|
Use Scenario: Monitoring accelerator or brake pedal angular displacement in ICE and hybrid powertrains. IC Role / Device Role / Timing Role: Absolute rotary position transducer delivering real-time analog/PWM feedback to engine control unit with <462 µs latency. Use Value: Enables precise torque demand mapping and meets ASIL-B requirements without external safety monitors. | Use Scenario: Detecting throttle valve opening angle in gasoline direct injection engines. IC Role / Device Role / Timing Role: High-accuracy non-contact potentiometer replacement with programmable 0–100% transfer curve and 12-bit resolution. Use Value: Eliminates wear-related drift and supports OEM-specific calibration via end-user programmable NVRAM. |
| Ride Height Control | Steering Wheel Angle Sensing |
Use Scenario: Measuring suspension travel in adaptive air ride systems for vehicle leveling and damping control. IC Role / Device Role / Timing Role: Linear position sensor interfacing with chassis domain controller using ratiometric analog output. Use Value: Provides stable, temperature-compensated displacement data across -40°C to +160°C ambient without recalibration. | Use Scenario: Determining absolute steering wheel rotation for EPS assist and lane-keeping functions. IC Role / Device Role / Timing Role: 360° absolute angle encoder with stray-field immunity to prevent interference from adjacent motor windings. Use Value: Maintains accuracy in high-EMI environments where conventional Hall sensors fail, reducing system-level shielding cost. |
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-303-RX | Same DMP-4 package and pinout; adds enhanced diagnostic coverage including internal voltage monitor and extended fault reporting. | Required for new ASIL-B designs needing higher diagnostic coverage metrics (DC & LFM per ISO26262). | Select MLX90372GVS-BCC-303-RX when functional safety FMEDA targets exceed ASIL-B baseline requirements. |
| MLX90363GDC-ABA-000-RE | SOIC-8 package; fixed 0–100% linear output; no user-programmable transfer function or PWM mode. | Suitable for cost-sensitive, low-complexity applications where calibration flexibility is unnecessary. | Choose MLX90363GDC-ABA-000-RE only if legacy design reuse, SOIC-8 assembly infrastructure, and fixed output are acceptable trade-offs. |
Compared with MLX90371GVS-BCC-303-RX, the MLX90372 offers expanded safety diagnostics but identical core sensing performance, while the MLX90363 sacrifices programmability and package robustness for lower unit cost and simpler qualification.
Availability
MLX90371GVS-BCC-303-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 long production lifecycles.
Supply support for MLX90371GVS-BCC-303-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 global manufacturing and AEC-Q200 qualified products.
The MLX90371 belongs to Melexis' Triaxis® position processor product line, designed specifically for high-reliability, non-contact absolute position measurement in automotive powertrain, chassis, and ADAS subsystems.
FAQ
What is the operating temperature range of the MLX90371GVS-BCC-303-RX?
The MLX90371GVS-BCC-303-RX is qualified for continuous operation from -40°C to +160°C, meeting AEC-Q100 Grade 0 requirements. This range covers under-hood, transmission, and brake module environments. The device maintains 12-bit resolution and thermal accuracy specifications across the full span, with internal temperature compensation applied in real time by the on-chip DSP.
Does the MLX90371GVS-BCC-303-RX require an external decoupling capacitor?
No, the MLX90371GVS-BCC-303-RX does not require an external decoupling capacitor because its DMP-4 package integrates the VDEC functionality directly. The internal regulator and decoupling network are optimized for this variant, eliminating the need for external 100 nF or 10 nF capacitors typically used with SOIC-8 or TSSOP-16 versions of the MLX90371 family.
What output modes does the MLX90371GVS-BCC-303-RX support?
The MLX90371GVS-BCC-303-RX supports two programmable output modes: ratiometric analog voltage (0–100% VDD) and PWM (150–2000 Hz). Both modes are configured via end-user programmable NVRAM and can be selected independently per application. The analog output features 200 V/ms slew rate; the PWM output provides push-pull drive capability up to 30 mA.
Is the MLX90371GVS-BCC-303-RX certified for functional safety applications?
Yes, the MLX90371GVS-BCC-303-RX is certified as an ISO26262 ASIL-B Safety Element out of Context (SEooC). It includes built-in diagnostics such as supply monitoring, output stage health checks, and broken-wire detection. Full safety documentation-including safety manual, FMEDA, and safety analysis report-is available from Melexis for integration into ASIL-B or lower automotive systems.
How is the MLX90371GVS-BCC-303-RX programmed for custom transfer characteristics?
The MLX90371GVS-BCC-303-RX is programmed via I²C-compatible serial interface using Melexis' PTM (Programmable Transfer Matrix) toolset. Users define up to 32-segment piece-wise-linear curves, set discontinuity points, enable scaling, and configure filter settings. All parameters are stored in on-chip NVRAM and persist after power cycling. Programming requires Melexis-approved programmer hardware and licensed software.
MLX90371GVS-BCC-303-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, Rotary Position
- Technology:
- Hall Effect
- Rotation Angle - Electrical, Mechanical:
- 0° ~ 360°
- 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-303-RX FAQ
1.How can I place an order for MLX90371GVS-BCC-303-RX through Aetrix?
Please submit a Request for Quotation (RFQ) for MLX90371GVS-BCC-303-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-303-RX reliable?
The price and inventory of MLX90371GVS-BCC-303-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-303-RX is usually 5 days.
3.What payment methods are accepted for MLX90371GVS-BCC-303-RX?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MLX90371GVS-BCC-303-RX transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MLX90371GVS-BCC-303-RX?
MLX90371GVS-BCC-303-RX orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MLX90371GVS-BCC-303-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-303-RX?
For technical support, including MLX90371GVS-BCC-303-RX datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MLX90371GVS-BCC-303-RX requirements.
6.How does Aetrix verify that MLX90371GVS-BCC-303-RX is sourced from the original manufacturer or authorized distributors?
All MLX90371GVS-BCC-303-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-303-RX meets industry standards.
7.What is the process for return or replacement of MLX90371GVS-BCC-303-RX?
All MLX90371GVS-BCC-303-RX units undergo pre-shipment inspection (PSI). If there is an issue with MLX90371GVS-BCC-303-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-303-RX part is unused and in its original packaging.
Return procedure for MLX90371GVS-BCC-303-RX:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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