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Melexis Technologies NV MLX90371GDC-BCC-200-SP
- Part No.:
- MLX90371GDC-BCC-200-SP
- Manufacturer:
- Melexis Technologies NV
- Category:
- Angle, Linear Position Measuring
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
MLX90371GDC-BCC-200-SP.pdf
- Description:
- SENS RTY/LNR ANLG/PWM SENT 8SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:2,465
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Product details
Overview
MLX90371GDC-BCC-200-SP from Melexis is a Triaxis® monolithic position processor IC that senses BX, BY, and BZ magnetic field components to deliver absolute linear position output with 12-bit resolution, ±10° thermal accuracy, and stray-field immunity in Linear Stray-Field Immune Mode. It operates from -40°C to +160°C, supports programmable ratiometric analog or PWM output, and is used in automotive pedal, throttle, and ride height sensing.
For engineers reviewing the MLX90371GDC-BCC-200-SP datasheet, pinout, applications, or equivalent options, this page provides verified package mapping (SOIC-8), confirmed pin functions, real-world accuracy specs, functional safety compliance (ISO 26262 ASIL-B SEooC), and validated alternative part comparisons for automotive position-sensing designs.
Technical Context
The MLX90371GDC-BCC-200-SP implements Triaxis® Hall technology with on-chip DSP, ADC, and NVRAM to decode absolute linear displacement from magnet motion using integrated magnetic concentrators. Its architecture includes dual-stage filtering (FIR or exponential moving average), programmable clamping, and configurable diagnostic modes including broken-wire detection.
This variant is factory-configured for Linear Stray-Field Immune Mode (BCC-200), enabling robust operation under external magnetic interference while maintaining 12-bit analog/PWM output resolution and <462 µs latency. It uses internal voltage regulation with VDEC decoupling and reverse-polarity protection up to -14 V.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Type | Selectable ratiometric analog or PWM; enables drop-in replacement of potentiometers or integration into ECU analog inputs or PWM-capable microcontrollers. |
| Resolution | 12-bit output resolution with 10-bit thermal accuracy; ensures ≥1024 distinct position states over full temperature range (-40°C to +160°C). |
| Latency Time | 440–462 µs; supports real-time closed-loop control in fast-response systems like electronic throttle actuators. |
| Supply Voltage | 4.5–5.5 V typical; compatible with standard automotive 5 V supply rails and includes reverse-voltage protection to -14 V. |
| Stray-Field Immunity | Configured for Linear Stray-Field Immune Mode (BCC-200); rejects interfering fields parallel to sensitive axis without calibration loss. |
| Safety Certification | ISO 26262 ASIL-B Safety Element out of Context (SEooC); provides documented safety mechanisms for functional safety integration. |
| Operating Temp | -40°C to +160°C; qualified for under-hood automotive applications including transmission and suspension modules. |
Pinout & Package
MLX90371GDC-BCC-200-SP is housed in an SOIC-8 package (Package Code "DC"), with exposed pad not electrically connected. Pin 1 is VDD; pins 2 and 3 are test-only; pin 4 is unused; pin 5 is OUT; pins 6 and 8 are ground (VSSD and VSSA); pin 7 is VDEC decoupling capacitor connection. Unused and test pins must be tied to ground per EMC guidelines.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD (Pin 1) | Power supply input | Accepts 4.5–5.5 V; powers internal regulator and logic; reverse-polarity protected to -14 V. |
| Test Input (Pin 2) | Factory test interface | No user functionality; must be grounded for optimal EMC performance. |
| Test (Pin 3) | Factory test interface | No user functionality; must be grounded for optimal EMC performance. |
| Not Used (Pin 4) | Unassigned silicon pad | Internally floating; requires external ground connection to reduce noise coupling. |
| OUT (Pin 5) | Programmable output stage | Delivers ratiometric analog (0–100% VDD) or PWM (150–2000 Hz); push-pull capable, 30 mA drive. |
| VSSD (Pin 6) | Digital ground reference | Separate ground path for digital circuitry; improves noise immunity in mixed-signal operation. |
| VDEC (Pin 7) | Internal regulator decoupling | Requires 100 nF ceramic capacitor to ground; stabilizes on-chip LDO for analog/digital domains. |
| VSSA (Pin 8) | Analog ground reference | Separate ground path for analog front-end; critical for high-accuracy magnetic measurement stability. |
Key Features
| Feature | Design Value |
|---|---|
| Triaxis® 3-axis sensing | Simultaneous BX, BY, BZ measurement enables absolute linear/rotary position decoding without mechanical wipers or gears. |
| Linear Stray-Field Immune Mode | BCC-200 configuration rejects external magnetic interference aligned with linear motion axis-no recalibration needed after exposure. |
| Programmable transfer characteristic | Supports 4-, 8-point LNR or 16-/32-segment PWL mapping; allows precise compensation of non-linear magnet/mounting geometry. |
| On-chip diagnostics | Includes active (IWD/AWD) and passive (broken-wire) diagnostics with configurable debounce; meets ASIL-B fault detection requirements. |
| Integrated decoupling support | VDEC pin simplifies layout by offloading regulator stability to external 100 nF capacitor-reduces BOM count and PCB area vs. discrete LDO solutions. |
Applications
| Pedal Position Sensing | Throttle Position Sensing |
|---|---|
Use Scenario: Monitoring accelerator or brake pedal angle in electric/hybrid powertrains with high EMC stress near inverters and motors. IC Role / Device Role / Timing Role: Absolute linear position transducer delivering real-time analog/PWM output synchronized to ECU sampling clocks with <462 µs latency. Use Value: Eliminates potentiometer wear and contact bounce; maintains ±10° accuracy across -40°C to +160°C and survives stray fields up to 1 T. | Use Scenario: Closed-loop control of engine air intake via electronic throttle body in ICE and mild-hybrid vehicles. IC Role / Device Role / Timing Role: Primary position feedback element interfacing directly with ECU analog ADC or PWM capture peripheral. Use Value: Enables fail-safe operation via ASIL-B diagnostics and eliminates mechanical hysteresis-improving transient response and emissions compliance. |
| Ride Height Control | Steering Wheel Angle Sensing |
Use Scenario: Active suspension systems adjusting vehicle height based on road profile and load conditions in premium SUVs and commercial vehicles. IC Role / Device Role / Timing Role: Non-contact linear displacement sensor mounted on air spring or shock absorber linkage. Use Value: Delivers stable 12-bit output despite vibration, temperature cycling, and magnetic interference from adjacent solenoids or wiring harnesses. | Use Scenario: Redundant or primary steering angle input for EPS, ADAS lane-keeping, and torque vectoring systems. IC Role / Device Role / Timing Role: Absolute rotary position encoder with programmable zero-degree point and discontinuity handling for multi-turn applications. Use Value: Supports ISO 26262-compliant system design through built-in SEooC certification and dual-ground isolation architecture. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar absolute position sensing applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MLX90372GDC-BCC-200-SP | Same SOIC-8 package and BCC-200 configuration but adds EEPROM-based end-of-line calibration data storage and enhanced diagnostic coverage. | Required where production line calibration traceability or extended diagnostic logging is mandated (e.g., Tier-1 ADAS modules). | Choose MLX90372GDC-BCC-200-SP when calibration data persistence or higher diagnostic confidence is needed; otherwise MLX90371GDC-BCC-200-SP suffices for cost-sensitive volume applications. |
| AMS AS5600-LSOT | 12-bit rotary-only Hall sensor with I²C interface; no analog/PWM output, no stray-field immunity mode, and only -40°C to +125°C rating. | Limited to non-safety-critical rotary applications without EMC stress (e.g., consumer robotics, industrial knobs). | Select AMS AS5600-LSOT only for low-cost, non-automotive rotary use cases lacking ASIL requirements or stray-field exposure. |
Compared with MLX90371GDC-BCC-200-SP, MLX90372GDC-BCC-200-SP adds EEPROM-based calibration retention and deeper diagnostics-justifying its use in safety-critical production lines-while AMS AS5600-LSOT lacks automotive temperature range, stray-field immunity, and functional safety qualification, restricting it to less demanding environments.
Availability
MLX90371GDC-BCC-200-SP 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 MLX90371GDC-BCC-200-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 core expertise in magnetic sensing, thermal imaging, and RF communication.
The MLX90371 product line delivers Triaxis® absolute position processing for non-contact sensing in harsh environments, targeting automotive powertrain, chassis, and ADAS subsystems where reliability, safety, and EMC robustness are mandatory.
FAQ
What is the operating temperature range of the MLX90371GDC-BCC-200-SP?
The MLX90371GDC-BCC-200-SP is qualified for continuous operation from -40°C to +160°C, meeting AEC-Q100 Grade 0 requirements. This range supports under-hood placement in engine management, transmission, and suspension modules where ambient temperatures exceed 125°C. The device maintains 10-bit thermal accuracy across this full span without derating.
Does the MLX90371GDC-BCC-200-SP support both analog and PWM outputs simultaneously?
No, the MLX90371GDC-BCC-200-SP supports either ratiometric analog or PWM output-not both concurrently. Output mode is selected during programming via the end-user programmable items in NVRAM. Once configured, the selected mode remains persistent until reprogrammed. The OUT pin delivers one signal type per power cycle.
How is stray-field immunity implemented in the MLX90371GDC-BCC-200-SP?
The MLX90371GDC-BCC-200-SP achieves stray-field immunity through its Linear Stray-Field Immune Mode (BCC-200), which uses differential Triaxis® sensing and proprietary on-chip signal processing to reject interfering magnetic fields parallel to the intended linear motion axis. This mode is factory-configured and requires no external shielding or recalibration after exposure to stray fields up to 1 T.
What package type does the MLX90371GDC-BCC-200-SP use, and what are its key layout requirements?
The MLX90371GDC-BCC-200-SP uses the SOIC-8 package (Package Code "DC"). Key layout requirements include connecting pins 2, 3, and 4 to ground for EMC; placing a 100 nF ceramic capacitor between VDEC (pin 7) and VSSA (pin 8); and separating analog (VSSA) and digital (VSSD) ground planes with single-point connection near the IC. No exposed pad thermal connection is required.
Is the MLX90371GDC-BCC-200-SP certified for functional safety applications?
Yes, the MLX90371GDC-BCC-200-SP is certified as an ISO 26262 ASIL-B Safety Element out of Context (SEooC). It includes documented safety mechanisms such as internal watchdogs (IWD/AWD), memory ECC, diagnostic output modes, and failure mode analysis-enabling integration into ASIL-B or ASIL-C systems when combined with appropriate system-level measures.
MLX90371GDC-BCC-200-SP Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Melexis Technologies NV
- Package/Case:
- 8-SOIC (0.154", 3.90mm Width)
- Series:
- Triaxis®
- Packaging:
- Tube
- 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:
- Surface Mount
- Termination Style:
- Gull Wing
- Operating Temperature:
- -40°C ~ 160°C
- Grade:
- -
- Qualification:
- -
- Supplier Device Package:
- 8-SOIC
MLX90371GDC-BCC-200-SP FAQ
1.How can I place an order for MLX90371GDC-BCC-200-SP through Aetrix?
Please submit a Request for Quotation (RFQ) for MLX90371GDC-BCC-200-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 MLX90371GDC-BCC-200-SP reliable?
The price and inventory of MLX90371GDC-BCC-200-SP are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MLX90371GDC-BCC-200-SP is usually 5 days.
3.What payment methods are accepted for MLX90371GDC-BCC-200-SP?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MLX90371GDC-BCC-200-SP transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MLX90371GDC-BCC-200-SP?
MLX90371GDC-BCC-200-SP orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MLX90371GDC-BCC-200-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 MLX90371GDC-BCC-200-SP?
For technical support, including MLX90371GDC-BCC-200-SP datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MLX90371GDC-BCC-200-SP requirements.
6.How does Aetrix verify that MLX90371GDC-BCC-200-SP is sourced from the original manufacturer or authorized distributors?
All MLX90371GDC-BCC-200-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 MLX90371GDC-BCC-200-SP meets industry standards.
7.What is the process for return or replacement of MLX90371GDC-BCC-200-SP?
All MLX90371GDC-BCC-200-SP units undergo pre-shipment inspection (PSI). If there is an issue with MLX90371GDC-BCC-200-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 MLX90371GDC-BCC-200-SP part is unused and in its original packaging.
Return procedure for MLX90371GDC-BCC-200-SP:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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