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Melexis Technologies NV MLX90371GVS-BCC-151-RX
- Part No.:
- MLX90371GVS-BCC-151-RX
- Manufacturer:
- Melexis Technologies NV
- Category:
- Angle, Linear Position Measuring
- Package:
- 4-SIP Module, Formed Leads
- Datasheet:
-
MLX90371GVS-BCC-151-RX.pdf
- Description:
- SENSOR ROTRY/LNEAR ANLG/PWM 4DMP
- Quantity:
- Payment:
- Shipping:
Inventory:1,224
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Product details
Overview
MLX90371GVS-BCC-151-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 position output with 12-bit resolution and ±1.5° total angular error over -40°C to +160°C. It operates from 4.5–5.5 V, draws 6–10 mA, and supports programmable ratiometric analog or PWM output in Rotary Stray-Field Immune Mode for automotive pedal and throttle sensing.
For engineers reviewing the MLX90371GVS-BCC-151-RX datasheet, pinout, applications, or equivalent options, this DMP-4 packaged device delivers ASIL-B functional safety compliance, stray-field immunity, and user-programmable transfer characteristics for high-reliability non-contact position feedback in harsh environments.
Technical Context
The MLX90371GVS-BCC-151-RX implements integrated magnetic concentrators (IMC) and on-chip DSP to decode absolute angle from rotating magnets using Triaxis® Hall technology. Its architecture includes a 12-bit ADC, FIR filtering (configurable up to 4-stage), and dual-path signal processing for simultaneous thermal compensation and stray-field rejection.
This variant uses the DMP-4 package with straight leads (STD1 2.54 mm pitch), supports only Rotary Stray-Field Immune Mode (BCC-1xx option code), and features programmable 4-/8-point linearization or 16-/32-segment piecewise-linear transfer functions - all stored in NVRAM and configurable via I²C-compatible serial interface.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage | 4.5–5.5 V - compatible with standard automotive 5 V rails; reverse polarity protection to -14 V. |
| Operating Temperature | -40°C to +160°C - qualified for under-hood automotive applications including throttle bodies and brake pedals. |
| Output Resolution | 12-bit - provides 4096 discrete angular positions across 0–360°, enabling <0.1° quantization step. |
| Angular Accuracy | ±1.5° total error - includes INL, thermal drift, and magnetic hysteresis; specified for Rotary Stray-Field Immune Mode. |
| Latency Time | 440–462 μs - deterministic delay from magnetic change to valid output update; critical for closed-loop control timing. |
| Output Options | Ratiometric analog (0–100% VDD) or PWM (150–2000 Hz) - selectable per application; no external components required for basic operation. |
| Functional Safety | ISO 26262 ASIL-B SEooC - includes internal diagnostics (watchdog, memory ECC, supply monitoring) without requiring external safety controller. |
Pinout & Package
DMP-4 package: 4-pin, dual-mold, PCB-less surface-mount device with 2.54 mm lead pitch (STD1 configuration); no exposed die, integrated decoupling capacitance not required.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | VSS | Ground reference for analog and digital domains; must be connected to system ground with low-impedance path. |
| 2 | VDD | Main power supply input (4.5–5.5 V); internal regulator supplies core logic and sensor front-end. |
| 3 | OUT | Programmable output terminal delivering either ratiometric analog voltage or PWM signal; push-pull capable. |
| 4 | VSS | Dedicated ground return for output stage; tied internally to Pin 1 but recommended as separate low-noise connection. |
Key Features
| Feature | Design Value |
|---|---|
| Triaxis® 3D Sensing | Measures BX, BY, BZ simultaneously to compute absolute angle independent of magnet axial alignment or air gap variation. |
| Stray-Field Immunity | Rejects interfering fields up to ±1 mT in X/Y plane while maintaining ±1.5° accuracy - validated for rotary mode per BCC-1xx configuration. |
| On-Chip Linearization | Supports 4/8-point LNR or 16/32-segment PWL transfer curves programmed into NVRAM - eliminates host MCU calibration overhead. |
| Integrated Diagnostics | Includes open-circuit, short-circuit, supply fault, and watchdog detection with active/passive diagnostic outputs - meets ASIL-B requirements. |
| Robust Output Stage | Push-pull output drives 5 kΩ load directly; slew rate controlled (35–200 V/ms) to limit EMI in noisy automotive harnesses. |
Applications
| Pedal Position Sensing | Throttle Position Sensing |
|---|---|
Use Scenario: Monitoring accelerator or brake pedal rotation in electric and ICE vehicles for drive-by-wire control. IC Role / Device Role / Timing Role: Absolute rotary position transducer providing real-time angle feedback to ECU with <462 μs latency. Use Value: Enables precise torque mapping and failsafe pedal release detection using ASIL-B diagnostics and stray-field immunity. | Use Scenario: Measuring throttle valve angular position in engine management systems with high temperature exposure. IC Role / Device Role / Timing Role: Non-contact position sensor operating at up to +160°C ambient, delivering 12-bit analog/PWM output synchronized to engine control loop. Use Value: Eliminates potentiometer wear and contact bounce; maintains ±1.5° accuracy despite under-hood EMI and thermal cycling. |
| Steering Wheel Position Sensing | Ride Height Position Sensing |
Use Scenario: Detecting absolute steering angle for EPS assist and ADAS yaw estimation in column-mounted modules. IC Role / Device Role / Timing Role: Triaxis® position processor decoding magnet rotation behind steering column with minimal mechanical integration. Use Value: Provides redundant angle data with built-in diagnostics; immune to stray fields from adjacent motors or wiring harnesses. | Use Scenario: Monitoring suspension travel in adaptive damping or air ride control systems via linear magnet displacement. IC Role / Device Role / Timing Role: Configured in Rotary Stray-Field Immune Mode to track linearized magnet motion along suspension axis. Use Value: Delivers stable 12-bit output across full vehicle load range without recalibration; supports ISO 26262-compliant fault reporting. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar absolute position sensing applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MLX90371GVS-BCC-100-RE | DMP-4 package, same Rotary Stray-Field Immune Mode, but uses 100 nF output capacitor and standard straight leads (not STD1 trim-and-form). | Designed for general-purpose rotary sensing where tighter mechanical tolerances are not required. | Select BCC-100-RE when board-level decoupling is preferred and lead coplanarity is less critical than with BCC-151-RX's STD1 2.54 mm form. |
| MLX90372GVS-BCC-151-RX | Successor device with identical DMP-4/STD1 packaging and pinout; adds enhanced EMC performance and extended diagnostic coverage per ISO 26262 ASIL-B. | Targets next-generation automotive platforms requiring higher immunity to radiated RF and faster diagnostic response. | Choose MLX90372GVS-BCC-151-RX for new designs needing improved robustness; MLX90371GVS-BCC-151-RX remains valid for cost-sensitive legacy integration. |
Compared with MLX90371GVS-BCC-151-RX, the BCC-100-RE variant lacks the STD1 lead form factor and integrated 10 nF capacitor, while the MLX90372GVS-BCC-151-RX offers upgraded EMC and diagnostics without changing mechanical or electrical interface - making both viable alternatives depending on qualification scope and performance tier.
Availability
MLX90371GVS-BCC-151-RX is available at Aetrix Electronics and suitable for automotive pedal position sensing, throttle control systems, and steering angle measurement requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for MLX90371GVS-BCC-151-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 expertise in magnetic sensing, infrared thermometry, and automotive ASICs.
The MLX90371 product line delivers Triaxis® 3D Hall-based absolute position sensing for non-contact rotary and linear applications, engineered specifically for ASIL-B automotive subsystems requiring high reliability and stray-field immunity.
FAQ
What is the operating temperature range of the MLX90371GVS-BCC-151-RX?
The MLX90371GVS-BCC-151-RX is qualified for continuous operation from -40°C to +160°C ambient temperature. This range is validated per AEC-Q100 Grade 0 requirements and supports placement in high-heat zones such as engine compartments, transmission housings, and brake assemblies. The device maintains its ±1.5° angular accuracy and 12-bit resolution across the full range without derating.
Does the MLX90371GVS-BCC-151-RX require external programming hardware?
No, the MLX90371GVS-BCC-151-RX does not require dedicated programming hardware. Configuration is performed via its I²C-compatible serial interface using standard microcontroller GPIOs or an industry-standard programmer. All user-programmable parameters - including output mode, linearization points, diagnostic thresholds, and clamping levels - are stored in on-chip NVRAM and persist through power cycles.
How does the MLX90371GVS-BCC-151-RX achieve stray-field immunity in rotary mode?
The MLX90371GVS-BCC-151-RX achieves stray-field immunity in Rotary Stray-Field Immune Mode through proprietary Triaxis® signal processing that separates useful rotational field components (BZ) from interfering in-plane fields (BX, BY). Its on-chip DSP applies real-time vector subtraction and adaptive filtering, validated to maintain ±1.5° accuracy under ±1 mT external X/Y field exposure - a capability confirmed in the BCC-1xx option code specification.
What output types does the MLX90371GVS-BCC-151-RX support?
The MLX90371GVS-BCC-151-RX supports two programmable output types: ratiometric analog voltage (0–100% VDD) and PWM (150–2000 Hz). Both are selected and configured via NVRAM programming. The analog output has 12-bit resolution and 10-bit thermal accuracy; the PWM output includes frequency tolerance of ±5% and thermal drift of ±3%, with rise/fall times under 11 μs into 4.7 kΩ/4.7 nF loads.
Is the MLX90371GVS-BCC-151-RX pin-compatible with other MLX90371 variants in DMP-4 package?
Yes, all MLX90371 variants in the DMP-4 package - including MLX90371GVS-BCC-100-RE, MLX90371GVS-BCC-151-RX, and MLX90371GVS-BCC-200-RX - share identical 4-pin pinout (VSS-VDD-OUT-VSS), mechanical footprint, and solder pad layout. Differences lie solely in factory-programmed configuration (e.g., stray-field mode, capacitor value, lead form), not in physical connectivity or electrical interface.
MLX90371GVS-BCC-151-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:
- 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-151-RX FAQ
1.How can I place an order for MLX90371GVS-BCC-151-RX through Aetrix?
Please submit a Request for Quotation (RFQ) for MLX90371GVS-BCC-151-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-151-RX reliable?
The price and inventory of MLX90371GVS-BCC-151-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-151-RX is usually 5 days.
3.What payment methods are accepted for MLX90371GVS-BCC-151-RX?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MLX90371GVS-BCC-151-RX transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MLX90371GVS-BCC-151-RX?
MLX90371GVS-BCC-151-RX orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MLX90371GVS-BCC-151-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-151-RX?
For technical support, including MLX90371GVS-BCC-151-RX datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MLX90371GVS-BCC-151-RX requirements.
6.How does Aetrix verify that MLX90371GVS-BCC-151-RX is sourced from the original manufacturer or authorized distributors?
All MLX90371GVS-BCC-151-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-151-RX meets industry standards.
7.What is the process for return or replacement of MLX90371GVS-BCC-151-RX?
All MLX90371GVS-BCC-151-RX units undergo pre-shipment inspection (PSI). If there is an issue with MLX90371GVS-BCC-151-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-151-RX part is unused and in its original packaging.
Return procedure for MLX90371GVS-BCC-151-RX:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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