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Melexis Technologies NV MLX90371GVS-BCC-153-SP
- Part No.:
- MLX90371GVS-BCC-153-SP
- Manufacturer:
- Melexis Technologies NV
- Category:
- Angle, Linear Position Measuring
- Package:
- 4-SIP Module, Formed Leads
- Datasheet:
-
MLX90371GVS-BCC-153-SP.pdf
- Description:
- SENSOR ROTRY/LNEAR ANLG/PWM 4DMP
- Quantity:
- Payment:
- Shipping:
Inventory:2,044
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Product details
Overview
MLX90371GVS-BCC-153-SP from Melexis is a Triaxis® monolithic position processor IC that senses all three magnetic field components (BX, BY, BZ) to deliver absolute rotary position output with 12-bit resolution, ±1.5° angular accuracy in Rotary Stray-Field Immune Mode, and programmable ratiometric analog or PWM output - deployed in automotive pedal, throttle, and steering wheel position sensing.
For engineers reviewing the MLX90371GVS-BCC-153-SP datasheet, pinout, applications, or equivalent options, this page provides verified package mapping (DMP-4), confirmed stray-field immune operation mode (BCC-153), ISO26262 ASIL-B safety element out-of-context compliance, and real-world timing specs including 462 µs latency and 2.6 ms step response under FIR1111 filtering.
Technical Context
The MLX90371GVS-BCC-153-SP implements on-chip DSP-based signal processing of triaxial Hall sensor data to reconstruct absolute angular position without mechanical contact. Its architecture includes a 12-bit ADC, embedded ROM firmware, NVRAM for user-programmable transfer characteristics, and dual-stage filtering (FIR + exponential moving average) configurable via end-user programming.
This variant operates exclusively in Rotary Stray-Field Immune Mode (BCC-153), requiring specific magnet configurations with in-plane field gradients and Z-axis bias ≥100 mT. It supports 4-/8-point linearization or 16-/32-segment piecewise-linear transfer functions, with diagnostic features including active/passive broken-wire detection and clamped output levels programmable between 0–100% VDD.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Type | Selectable ratiometric analog (0–100% VDD) or PWM (150–2000 Hz); enables drop-in replacement of potentiometers or integration into ECU analog/digital acquisition paths. |
| Angular Resolution & Accuracy | 12-bit resolution; ±1.5° total angular error over -40°C to +160°C in Rotary Stray-Field Immune Mode - sufficient for ASIL-B automotive subsystems. |
| Latency / Step Response | 462 µs typical latency; 2.6 ms worst-case 100% settling time with FIR1111 filter - meets real-time control loop requirements for throttle and brake actuation. |
| Supply & Power | 4.5–5.5 V supply; 6–10 mA current draw in Standard/Legacy mode; reverse voltage protection to -14 V - compatible with 5 V automotive domains and robust against battery transients. |
| Safety Certification | ISO26262 ASIL-B Safety Element out-of-Context (SEooC); includes built-in diagnostics (IWD, AWD), ECC memory, and programmable clamping - reduces functional safety validation effort. |
| Magnetic Immunity | Stray-field immune operation per BCC-153 configuration; rejects external interfering fields up to ±1 T while maintaining <±1.5° error - validated for under-hood environments near motors and solenoids. |
Pinout & Package
DMP-4 (Dual Mold Package, PCB-less) with 2.54 mm pitch, STD2 trim-and-form leads (BCC-153 suffix), integrated decoupling capacitance, and no external PCB required - optimized for direct soldering onto flexible harnesses or metal brackets in space-constrained automotive modules.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 4 | VSS | Ground reference for analog and digital sections; dual pins reduce impedance and improve EMC performance in noisy automotive environments. |
| 2 | VDD | Primary power input (4.5–5.5 V); internal regulator supplies core logic and sensor front-end - eliminates need for external LDO in most applications. |
| 3 | OUT | Programmable output terminal supporting analog (ratiometric) or PWM modes; push-pull driver capable of driving 5 kΩ loads or 100 nF capacitive loads directly. |
Key Features
| Feature | Design Value |
|---|---|
| Triaxis® Sensing Architecture | Simultaneous measurement of BX, BY, BZ enables true 3D magnetic field decoding - eliminates need for external flux concentrators or multi-die assemblies in rotary position systems. |
| Programmable Transfer Characteristic | Supports 4/8-point linear or 16/32-segment piecewise-linear calibration - allows precise compensation of non-ideal magnet geometry and mechanical tolerances without hardware changes. |
| Stray-Field Immunity (BCC-153) | Hardware-locked algorithm rejecting orthogonal interference fields up to ±1 T - certified for operation near high-current actuators without shielding or recalibration. |
| On-Chip Diagnostic Suite | Includes active watchdog (IWD/ASW), passive broken-wire detection (VDD/VSS open), and programmable clamping - satisfies ASIL-B diagnostic coverage requirements without external monitoring circuitry. |
| DMP-4 Mechanical Integration | PCB-less, lead-frame-based package with molded encapsulation - enables direct mounting on rotating shafts or suspension links, reducing assembly steps and BOM count. |
Applications
| Pedal Position Sensing | Throttle Position Sensing |
|---|---|
Use Scenario: Monitoring accelerator or brake pedal angle in passenger vehicles and commercial trucks under vibration, temperature extremes, and EMI exposure. IC Role / Device Role / Timing Role: Absolute rotary position processor delivering real-time analog/PWM output synchronized to engine control unit sampling clocks with ≤462 µs latency. Use Value: Enables closed-loop torque control with <±1.5° angular accuracy across -40°C to +160°C, eliminating potentiometer wear and drift-related calibration drift. | Use Scenario: Detecting throttle valve rotation in gasoline direct injection engines where precision airflow control impacts emissions and fuel economy. IC Role / Device Role / Timing Role: High-immunity position sensor interfacing directly with powertrain ECUs via analog or PWM, operating continuously at 150–2000 Hz update rates. Use Value: Maintains ±1.5° accuracy despite stray fields from adjacent ignition coils or injectors - avoids false fault codes and unnecessary limp-home activation. |
| Steering Wheel Position Sensing | Ride Height Adjustment |
Use Scenario: Measuring steering angle for electric power steering (EPS) assist algorithms and lane-keeping systems in ADAS-equipped vehicles. IC Role / Device Role / Timing Role: Safety-critical ASIL-B position processor providing redundant angular feedback with built-in diagnostics and clamped output fail-safe states. Use Value: Delivers ISO26262-compliant position data with <2.6 ms step response - ensures timely correction during emergency maneuvers without sensor-induced delay. | Use Scenario: Monitoring suspension travel in adaptive air ride systems for luxury and off-road vehicles subject to shock, dust, and wide thermal swings. IC Role / Device Role / Timing Role: Contactless linear-to-rotary position converter mounted on control arms or air springs, using DMP-4's direct-mount capability. Use Value: Eliminates mechanical linkage wear and seal degradation; DMP-4 package withstands IP6K9K-level washdown and 160°C under-hood temperatures. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar absolute rotary position sensing applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MLX90372GVS-BCC-153-SP | Same DMP-4 package and BCC-153 configuration, but adds 48-bit unique ID and enhanced diagnostic coverage per ISO26262 ASIL-B SEooC v2.0. | Required where traceability (e.g., vehicle VIN binding) or higher diagnostic coverage (>90%) is mandated by OEM safety plan. | Select MLX90372GVS-BCC-153-SP if 48-bit ID or updated safety manual alignment is needed; otherwise MLX90371GVS-BCC-153-SP remains fully qualified. |
| AMS AS5055A-BQFT | 14-bit resolution, SPI interface only (no analog/PWM), TSSOP-16 package, no stray-field immunity mode - requires external MCU for signal conditioning and failsafe handling. | Suitable for non-safety-critical industrial encoders where SPI connectivity and higher resolution outweigh need for ASIL-B compliance and analog compatibility. | Choose AMS AS5055A-BQFT only when SPI interface and 14-bit resolution are prioritized over automotive qualification, stray-field immunity, and analog/PWM flexibility. |
Compared with MLX90372GVS-BCC-153-SP, the MLX90371GVS-BCC-153-SP offers identical mechanical fit, timing, and stray-field immunity but omits 48-bit ID and uses earlier ASIL-B documentation - making it ideal for cost-sensitive, legacy-qualified designs. Against AMS AS5055A-BQFT, it trades SPI-only digital output for dual-mode analog/PWM, integrates safety diagnostics on-die, and delivers proven under-hood robustness without external support circuitry.
Availability
MLX90371GVS-BCC-153-SP is available at Aetrix Electronics and suitable for automotive pedal position, throttle control, and steering angle sensing requiring stable component supply across extended temperature ranges (-40°C to +160°C), high EMC immunity, and ASIL-B functional safety compliance.
Supply support for MLX90371GVS-BCC-153-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 and industrial applications, with over 30 years of magnetic sensing expertise and ISO/TS 16949-certified manufacturing.
The MLX90371 product line delivers Triaxis®-based absolute position sensing for safety-critical automotive subsystems, designed specifically to replace contact-based potentiometers while meeting ISO26262 ASIL-B requirements and enabling compact, robust mechanical integration.
FAQ
What is the operating temperature range of the MLX90371GVS-BCC-153-SP?
The MLX90371GVS-BCC-153-SP is rated for continuous operation from -40°C to +160°C ambient temperature, validated per AEC-Q100 Grade 0 qualification. This range covers under-hood automotive locations including transmission housings, brake boosters, and throttle bodies where thermal cycling and sustained high temperatures occur. The device maintains its ±1.5° angular accuracy and 12-bit resolution across this full range when configured in Rotary Stray-Field Immune Mode (BCC-153).
Does the MLX90371GVS-BCC-153-SP require external programming hardware?
Yes, the MLX90371GVS-BCC-153-SP requires Melexis' official programming tool (e.g., EVB90371 evaluation board with PTC-04 programmer) to configure its output mode (analog/PWM), transfer characteristic (4/8-point or PWL), stray-field immunity settings, and diagnostic parameters. The device ships unprogrammed with factory-default settings; final calibration and application-specific tuning must be performed before deployment. No in-system reprogramming capability exists after soldering without dedicated test access.
What package type does MLX90371GVS-BCC-153-SP use, and how is it mounted?
The MLX90371GVS-BCC-153-SP uses the DMP-4 (Dual Mold Package) with STD2 2.54 mm pitch trim-and-form leads (per BCC-153 suffix definition). It is a PCB-less, lead-frame-based package designed for direct surface-mount soldering onto flexible printed circuits, metal brackets, or custom harness carriers - eliminating the need for a rigid PCB and reducing system height and weight. Mounting requires standard reflow profiles compatible with SnPb or lead-free solder.
How does the stray-field immunity of MLX90371GVS-BCC-153-SP work?
The MLX90371GVS-BCC-153-SP implements a proprietary hardware-algorithm combination that separates useful in-plane magnetic gradients (for position decoding) from orthogonal stray fields using Triaxis® sensor fusion and differential signal processing. Validated to reject interfering fields up to ±1 T while maintaining <±1.5° angular error, it achieves immunity without external shielding or additional magnets - a key differentiator for placement near motors, solenoids, or high-current wiring in automotive chassis modules.
Can MLX90371GVS-BCC-153-SP output both analog and PWM simultaneously?
No, the MLX90371GVS-BCC-153-SP supports only one output mode at a time - either ratiometric analog (0–100% VDD) or PWM (150–2000 Hz) - selected during programming. The output pin (OUT) is shared between both modes; simultaneous dual-output operation is not supported. Switching between modes requires reprogramming the device and power-cycling to apply new configuration. This single-output design simplifies ECU interface requirements and reduces pin count in space-constrained modules.
MLX90371GVS-BCC-153-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:
- 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-153-SP FAQ
1.How can I place an order for MLX90371GVS-BCC-153-SP through Aetrix?
Please submit a Request for Quotation (RFQ) for MLX90371GVS-BCC-153-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-153-SP reliable?
The price and inventory of MLX90371GVS-BCC-153-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-153-SP is usually 5 days.
3.What payment methods are accepted for MLX90371GVS-BCC-153-SP?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MLX90371GVS-BCC-153-SP transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MLX90371GVS-BCC-153-SP?
MLX90371GVS-BCC-153-SP orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MLX90371GVS-BCC-153-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-153-SP?
For technical support, including MLX90371GVS-BCC-153-SP datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MLX90371GVS-BCC-153-SP requirements.
6.How does Aetrix verify that MLX90371GVS-BCC-153-SP is sourced from the original manufacturer or authorized distributors?
All MLX90371GVS-BCC-153-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-153-SP meets industry standards.
7.What is the process for return or replacement of MLX90371GVS-BCC-153-SP?
All MLX90371GVS-BCC-153-SP units undergo pre-shipment inspection (PSI). If there is an issue with MLX90371GVS-BCC-153-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-153-SP part is unused and in its original packaging.
Return procedure for MLX90371GVS-BCC-153-SP:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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