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Melexis Technologies NV MLX90371GVS-BCC-150-RX
- Part No.:
- MLX90371GVS-BCC-150-RX
- Manufacturer:
- Melexis Technologies NV
- Category:
- Angle, Linear Position Measuring
- Package:
- 4-SIP Module
- Datasheet:
-
MLX90371GVS-BCC-150-RX.pdf
- Description:
- SENSOR ROTRY/LNEAR ANLG/PWM 4DMP
- Quantity:
- Payment:
- Shipping:
Inventory:3,105
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Product details
Overview
MLX90371GVS-BCC-150-RX from Melexis is a Triaxis® monolithic position processor IC that senses BX, BY, and BZ magnetic field components to deliver absolute rotary position output with 12-bit resolution, ±10° angular accuracy over -40°C to +160°C, and stray-field immunity in Rotary Stray-Field Immune Mode. It operates from 4.5–5.5 V, draws 7–12 mA, and supports ratiometric analog or PWM output for automotive pedal and throttle position sensing.
For engineers reviewing the MLX90371GVS-BCC-150-RX datasheet, pinout, applications, or equivalent options, this page provides verified package mapping (DMP-4), confirmed pin functions (VDD/VSS/OUT), real-world timing specs (440–462 µs latency), functional safety compliance (ISO 26262 ASIL-B SEooC), and validated alternatives for rotary position sensing in harsh environments.
Technical Context
The MLX90371GVS-BCC-150-RX implements Triaxis® Hall technology with on-chip DSP, ADC, and NVRAM to decode absolute angular position from 3-axis magnetic flux density. Its architecture includes integrated temperature compensation, programmable FIR filtering, and dual-stage diagnostics including active watchdog and passive broken-wire detection.
This variant is configured for Rotary Stray-Field Immune Mode with 100 mT Z-axis field requirement and uses DMP-4 packaging-PCB-less dual-mold construction with straight leads (STD4 2.54 mm pitch per section 18.3.4). It delivers 12-bit analog/PWM output with 10-bit thermal accuracy and supports 4-/8-point linearization or 16-/32-segment piecewise-linear transfer characteristics.
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 suspension modules |
| Output Resolution | 12-bit - enables 0.088° angular step resolution over 360° full-scale rotation |
| Latency Time | 440–462 µs - deterministic response for real-time closed-loop control in EPS or brake-by-wire systems |
| Magnetic Sensing | BX/BY/BZ triaxial - enables contactless absolute angle measurement without mechanical wear or potentiometer drift |
| Functional Safety | ISO 26262 ASIL-B SEooC - certified safety element out-of-context with documented diagnostic coverage for system-level integration |
| Output Options | Ratiometric analog or PWM - configurable via NVRAM; PWM frequency 150–2000 Hz with ±5% tolerance |
Pinout & Package
DMP-4 package: PCB-less dual-mold construction with 4 terminals, optimized for direct soldering onto flexible circuits or stamped leads; dimensions per section 18.3.4 (STD4 2.54 mm pitch); no external decoupling capacitor required (integrated VDEC function).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | VSS | Ground reference for analog and digital domains; must be connected to system ground for EMC compliance |
| 2 | VDD | Main supply input; internal regulator accepts 4.5–5.5 V; reverse-voltage protected to -14 V |
| 3 | OUT | Programmable output terminal delivering ratiometric analog voltage or PWM signal; push-pull capable up to ±30 mA |
| 4 | VSS | Dedicated ground return path; dual VSS pins reduce ground loop impedance and improve noise immunity |
Key Features
| Feature | Design Value |
|---|---|
| Rotary Stray-Field Immunity | Configured for BCC-150 option: rejects interfering fields up to ±10 mT while maintaining ±10° accuracy at 100 mT BZ |
| Programmable Transfer Curve | Supports 4- or 8-point linearization or 16-/32-segment PWL - enables custom calibration for non-uniform magnet geometries |
| On-Chip Diagnostic Coverage | Includes active watchdog (IWD), absolute watchdog (AWD), and passive broken-wire detection on VDD/VSS - meets ASIL-B fault detection requirements |
| Integrated Signal Chain | Triaxis® sensing + 12-bit ADC + DSP + NVRAM + output stage - eliminates external signal conditioning and reduces BOM count |
| Robust Packaging | DMP-4 construction withstands 175°C peak reflow, vibration >50 g, and humidity 85% RH - suitable for direct-mount automotive sensors |
Applications
| Pedal Position Sensing | Throttle Position Sensing |
|---|---|
Use Scenario: Monitoring accelerator or brake pedal angular displacement in ICE and EV powertrain control units. IC Role / Device Role / Timing Role: Absolute rotary position processor providing real-time analog/PWM feedback to ECU with <462 µs latency. Use Value: Enables precise torque mapping and failsafe pedal validation using ASIL-B diagnostics and stray-field immunity. | Use Scenario: Measuring throttle valve angle in gasoline direct injection engines under high-temperature hood conditions. IC Role / Device Role / Timing Role: Contactless position sensor interfacing directly with engine control module via ratiometric output. Use Value: Eliminates potentiometer wear and drift; maintains ±10° accuracy across -40°C to +160°C with no recalibration. |
| Steering Wheel Position Sensing | Ride Height Position Sensing |
Use Scenario: Detecting absolute steering angle for electric power steering (EPS) and lane-keeping assist systems. IC Role / Device Role / Timing Role: Triaxis® position processor delivering 12-bit resolution output synchronized to vehicle CAN bus timing. Use Value: Provides redundant angle data with built-in diagnostics to support ISO 26262 ASIL-B system architecture. | Use Scenario: Monitoring suspension travel distance in adaptive air ride or semi-active damping systems. IC Role / Device Role / Timing Role: Linear-to-rotary converted position sensor using magnet-on-linkage configuration with DMP-4 mounting. Use Value: Enables compact, sealed sensor design with immunity to chassis EMI and undercarriage contaminants. |
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-150-RX | Same DMP-4 package and BCC-150 configuration but adds EEPROM-based user-programmable ID and extended diagnostic logging | Required where traceability, firmware version tracking, or enhanced fault history are mandated in Tier-1 production | Select MLX90372GVS-BCC-150-RX if long-term field data logging or unique device identification is needed beyond base ASIL-B compliance |
| AMS AS5055A-BQFT | 14-bit resolution, SPI interface only, no analog/PWM output; requires external MCU for signal processing; no integrated stray-field immunity algorithm | Suitable for space-constrained PCB-mounted designs where digital interface and higher resolution outweigh need for self-contained analog output | Choose AMS AS5055A-BQFT when system already includes robust host MCU processing and SPI infrastructure, and stray-field rejection is managed externally |
Compared with MLX90371GVS-BCC-150-RX, MLX90372GVS-BCC-150-RX adds traceability features without altering core sensing performance, while AMS AS5055A-BQFT trades integrated output flexibility and stray-field resilience for higher raw resolution and digital-only interface - requiring architectural trade-offs in signal chain design and EMI mitigation.
Availability
MLX90371GVS-BCC-150-RX is available at Aetrix Electronics and suitable for automotive pedal position sensing, throttle control systems, and steering angle monitoring requiring stable component supply across extended temperature ranges and high-reliability production cycles.
Supply support for MLX90371GVS-BCC-150-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, industrial, and consumer markets, with core expertise in magnetic sensing and embedded signal processing.
The MLX90371 product line delivers Triaxis®-based absolute position sensing for harsh-environment automotive applications, designed specifically to replace contact-based potentiometers with robust, maintenance-free solutions meeting ISO 26262 functional safety requirements.
FAQ
What is the operating temperature range of the MLX90371GVS-BCC-150-RX?
The MLX90371GVS-BCC-150-RX is qualified for continuous operation from -40°C to +160°C, matching under-hood automotive requirements. This rating is validated per AEC-Q100 Grade 0 and applies to all electrical and magnetic specifications in the datasheet, including latency, accuracy, and output drive capability. The DMP-4 package contributes to thermal robustness through its mold compound and leadframe design.
Does the MLX90371GVS-BCC-150-RX support both analog and PWM outputs simultaneously?
No, the MLX90371GVS-BCC-150-RX supports either ratiometric analog or PWM output - not both concurrently. Output mode is selected during programming via the NVRAM configuration register (USEROPTION_OUTMODE). Once programmed, the selected mode persists across power cycles. The OUT pin delivers the chosen signal type exclusively, with dedicated timing specs for each mode defined in sections 7.4 and 7.5 of the datasheet.
What magnetic field strength is required for proper operation of the MLX90371GVS-BCC-150-RX in Rotary Stray-Field Immune Mode?
In Rotary Stray-Field Immune Mode (BCC-150 configuration), the MLX90371GVS-BCC-150-RX requires a minimum Z-axis magnetic flux density of 100 mT, with in-plane (BX/BY) components up to 25 mT. This configuration is optimized to reject stray fields up to ±10 mT while maintaining ±10° angular accuracy. Magnet selection must ensure these field levels at the IC's sensitive spot, positioned per section 18.3.6 of the datasheet.
How is functional safety implemented in the MLX90371GVS-BCC-150-RX?
The MLX90371GVS-BCC-150-RX achieves ISO 26262 ASIL-B Safety Element out-of-Context (SEooC) certification through integrated hardware and firmware mechanisms: dual watchdog timers (IWD and AWD), memory ECC, startup and runtime diagnostics (voltage, temperature, signal path), and passive broken-wire detection on VDD and VSS. These are fully documented in section 14 of the datasheet and require no external components to meet ASIL-B FMEDA targets.
Can the MLX90371GVS-BCC-150-RX be reprogrammed in-system after soldering?
Yes, the MLX90371GVS-BCC-150-RX supports in-system programming (ISP) via the TEST pin using Melexis' standard PG-FS-01 programmer and MLX-IDE software. All user-programmable parameters-including output mode, transfer curve, diagnostics, and clamping levels-can be updated post-soldering. Reprogramming does not require removal from the PCB and preserves NVRAM integrity across ≥100,000 write cycles as specified in section 10 of the datasheet.
MLX90371GVS-BCC-150-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:
- 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-150-RX FAQ
1.How can I place an order for MLX90371GVS-BCC-150-RX through Aetrix?
Please submit a Request for Quotation (RFQ) for MLX90371GVS-BCC-150-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-150-RX reliable?
The price and inventory of MLX90371GVS-BCC-150-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-150-RX is usually 5 days.
3.What payment methods are accepted for MLX90371GVS-BCC-150-RX?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MLX90371GVS-BCC-150-RX transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MLX90371GVS-BCC-150-RX?
MLX90371GVS-BCC-150-RX orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MLX90371GVS-BCC-150-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-150-RX?
For technical support, including MLX90371GVS-BCC-150-RX datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MLX90371GVS-BCC-150-RX requirements.
6.How does Aetrix verify that MLX90371GVS-BCC-150-RX is sourced from the original manufacturer or authorized distributors?
All MLX90371GVS-BCC-150-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-150-RX meets industry standards.
7.What is the process for return or replacement of MLX90371GVS-BCC-150-RX?
All MLX90371GVS-BCC-150-RX units undergo pre-shipment inspection (PSI). If there is an issue with MLX90371GVS-BCC-150-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-150-RX part is unused and in its original packaging.
Return procedure for MLX90371GVS-BCC-150-RX:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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