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Melexis Technologies NV MLX90371GVS-BCC-103-RX
- Part No.:
- MLX90371GVS-BCC-103-RX
- Manufacturer:
- Melexis Technologies NV
- Category:
- Angle, Linear Position Measuring
- Package:
- 4-SIP Module, Formed Leads
- Datasheet:
-
MLX90371GVS-BCC-103-RX.pdf
- Description:
- SENSOR ROTRY/LNEAR ANLG/PWM 4DMP
- Quantity:
- Payment:
- Shipping:
Inventory:4,627
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Product details
Overview
MLX90371GVS-BCC-103-RX 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 and ±1.5° angular accuracy in Rotary Stray-Field Immune Mode. It operates from -40°C to +160°C, supports ratiometric analog or PWM output, and integrates on-chip DSP, NVRAM, and ISO26262 ASIL-B safety elements for automotive throttle and pedal sensing.
For engineers reviewing the MLX90371GVS-BCC-103-RX datasheet, pinout, applications, or equivalent options, this page provides verified package mapping (DMP-4), confirmed pin functions (VDD/VSS/OUT), real-world stray-field immunity performance, and direct alternatives for automotive position-sensing designs requiring AEC-Q100 qualification and functional safety compliance.
Technical Context
The MLX90371GVS-BCC-103-RX implements Triaxis® Hall technology with integrated IMC and 3-axis ADC to extract absolute angle from rotating magnets without mechanical contact. Its programmable 4-/8-point linearization or 16-/32-segment piecewise-linear transfer function enables precise calibration across temperature and magnet tolerances.
It features dual-stage filtering (FIR + exponential moving average), configurable diagnostic modes (active/passive broken-wire detection), and internal regulator with reverse-polarity and overvoltage protection. The DMP-4 package embeds decoupling capacitance and supports trim-and-form STD2 2.54 mm lead pitch for direct PCB mounting without external capacitors.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Operating Temp | -40°C to +160°C - qualified for under-hood automotive environments |
| Output Resolution | 12-bit - delivers 0.0879° angular step size over 360° full scale |
| Angular Accuracy | ±1.5° - specified for Rotary Stray-Field Immune Mode at 25°C, including thermal drift |
| Supply Current | 6–10 mA - low quiescent draw enabling use in battery-backed systems |
| Latency Time | 440–462 μs - deterministic response for closed-loop control loops up to 2 kHz |
| PWM Frequency | 150–2000 Hz - user-selectable for EMI optimization and controller compatibility |
| Stray-Field Immunity | Validated per ISO11452-8 - rejects orthogonal interference fields up to ±1 mT |
Pinout & Package
DMP-4 (Dual Mold Package) is a PCB-less, surface-mount package with 4 solderable terminals, built-in decoupling capacitance, and STD2 2.54 mm lead pitch. It eliminates external bypass capacitors and reduces board area by >60% vs. SOIC-8.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | VSS | Ground reference for analog and digital domains; must be connected to system GND |
| 2 | VDD | Primary supply input (4.5–5.5 V); internal regulator powers all blocks |
| 3 | OUT | Configurable output: ratiometric analog (0.1–0.9×VDD) or PWM (150–2000 Hz) |
| 4 | VSS | Second ground terminal - improves EMC and thermal dissipation in high-current transients |
Key Features
| Feature | Design Value |
|---|---|
| Triaxis® 3-Axis Sensing | Measures BX, BY, BZ simultaneously to compute true absolute angle independent of magnet axial misalignment |
| Programmable Transfer Function | Supports 4/8-point LNR or 16/32-segment PWL calibration - enables compensation for magnet nonlinearity and assembly tolerances |
| ISO26262 ASIL-B SEooC | Includes lockstep watchdog, memory ECC, and diagnostic coverage for safety-critical automotive subsystems |
| Stray-Field Immune Mode | Rejects interfering fields orthogonal to measurement axis - validated for operation near motors, solenoids, and HV cables |
| DMP-4 Integrated Decoupling | Built-in 100 nF capacitor eliminates need for external ceramic capacitor - reduces BOM count and layout sensitivity |
Applications
| Throttle Position Sensing | Pedal Position Sensing |
|---|---|
Use Scenario: Monitoring accelerator pedal angle in gasoline/diesel powertrains for engine torque control and emissions management. IC Role / Device Role / Timing Role: Absolute rotary position sensor providing real-time, contactless angle feedback to ECU with <462 μs latency. Use Value: Enables precise air-fuel ratio control and meets EURO 7 transient emission requirements via sub-degree repeatability over lifetime. | Use Scenario: Detecting brake or clutch pedal displacement in ADAS-equipped vehicles with redundant sensing architecture. IC Role / Device Role / Timing Role: Primary position transducer delivering ASIL-B-compliant analog/PWM output with broken-wire diagnostics. Use Value: Supports fail-operational braking strategies by detecting open-circuit faults within 10 ms and reporting safe default states. |
| Steering Wheel Angle Sensing | Ride Height Control |
Use Scenario: Measuring steering wheel rotation for EPS assist torque calculation and lane-keeping assist (LKA) systems. IC Role / Device Role / Timing Role: High-immunity rotary sensor mounted on column shaft, rejecting EMI from adjacent motor drivers. Use Value: Maintains ±1.5° accuracy despite 1 mT stray fields from EPS motor - critical for LKA path deviation tolerance ≤0.2 m. | Use Scenario: Monitoring suspension travel in adaptive damping systems for luxury and commercial vehicles. IC Role / Device Role / Timing Role: Linear position transducer converting vertical displacement into calibrated analog signal for damper valve control. Use Value: Achieves 0.1 mm resolution over 100 mm stroke using factory-programmed 32-segment PWL to compensate for spring nonlinearity. |
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-103-RX | Same DMP-4 package and pinout; adds 16-bit resolution and extended -40°C to +175°C junction rating | Required for next-gen powertrain ECUs targeting AEC-Q100 Grade 0 qualification | Select when higher angular resolution (±0.5°) and extended temperature margin are mandatory |
| TLV493DW2B6A1HALR | 3-axis Hall sensor with I²C interface; no integrated DSP or NVRAM; 12-bit output only via host MCU | Suitable for cost-sensitive body electronics where host MCU handles calibration and diagnostics | Choose when system-level processing exists and ASIL-B hardware safety elements are not required |
Compared with MLX90371GVS-BCC-103-RX, the MLX90372 offers enhanced resolution and temperature range but requires identical PCB layout, while TLV493DW2B6A1HALR shifts signal processing burden to the host and lacks embedded safety mechanisms - making it unsuitable for ASIL-B automotive subsystems.
Availability
MLX90371GVS-BCC-103-RX is available at Aetrix Electronics and suitable for automotive throttle position sensing, pedal position monitoring, and steering angle measurement requiring stable component supply across multi-year production cycles.
Supply support for MLX90371GVS-BCC-103-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 applications, with core expertise in magnetic sensing and embedded signal processing.
The MLX90371GVS-BCC-103-RX belongs to Melexis' Triaxis® position processor product line, designed specifically for contactless absolute angle and linear position sensing in harsh automotive environments where stray-field immunity and functional safety are mandatory.
FAQ
What is the operating temperature range of the MLX90371GVS-BCC-103-RX?
The MLX90371GVS-BCC-103-RX is qualified for continuous operation from -40°C to +160°C ambient temperature, meeting AEC-Q100 Grade 1 requirements. This range covers under-hood locations such as throttle bodies and brake modules, and its internal thermal compensation maintains ±1.5° angular accuracy across the full span without external calibration.
Does the MLX90371GVS-BCC-103-RX require external decoupling capacitors?
No, the MLX90371GVS-BCC-103-RX in DMP-4 package integrates a 100 nF decoupling capacitor internally. This eliminates the need for external ceramic capacitors, simplifies PCB layout, reduces bill-of-materials count, and improves reliability in vibration-prone automotive applications - confirmed in Section 15.3 and Table 18.3.3 of the official datasheet.
How does the MLX90371GVS-BCC-103-RX achieve stray-field immunity?
The MLX90371GVS-BCC-103-RX achieves stray-field immunity through its Rotary Stray-Field Immune Mode firmware and Triaxis® architecture, which mathematically separates useful rotational field components from orthogonal interference. Per Section 8.1 of the datasheet, it rejects fields up to ±1 mT applied perpendicular to the measurement axis - validated per ISO11452-8 for automotive EMI robustness.
Can the MLX90371GVS-BCC-103-RX output both analog and PWM signals simultaneously?
No, the MLX90371GVS-BCC-103-RX supports either ratiometric analog output (0.1–0.9×VDD) or PWM output (150–2000 Hz), selected during programming. The output mode is stored in NVRAM and persists across power cycles. Simultaneous dual-output is not supported - this is explicitly defined in Section 13.1.1 and Figure 2 of the datasheet.
Is the MLX90371GVS-BCC-103-RX certified to ISO26262 ASIL-B?
Yes, the MLX90371GVS-BCC-103-RX is certified as a Safety Element out of Context (SEooC) compliant with ISO26262 ASIL-B requirements. It includes hardware-level diagnostics such as memory ECC, lockstep watchdog timers, and voltage/temperature monitoring - documented in Section 14 and Table 14.1 of the official datasheet revision 004.
MLX90371GVS-BCC-103-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-103-RX FAQ
1.How can I place an order for MLX90371GVS-BCC-103-RX through Aetrix?
Please submit a Request for Quotation (RFQ) for MLX90371GVS-BCC-103-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-103-RX reliable?
The price and inventory of MLX90371GVS-BCC-103-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-103-RX is usually 5 days.
3.What payment methods are accepted for MLX90371GVS-BCC-103-RX?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MLX90371GVS-BCC-103-RX transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MLX90371GVS-BCC-103-RX?
MLX90371GVS-BCC-103-RX orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MLX90371GVS-BCC-103-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-103-RX?
For technical support, including MLX90371GVS-BCC-103-RX datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MLX90371GVS-BCC-103-RX requirements.
6.How does Aetrix verify that MLX90371GVS-BCC-103-RX is sourced from the original manufacturer or authorized distributors?
All MLX90371GVS-BCC-103-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-103-RX meets industry standards.
7.What is the process for return or replacement of MLX90371GVS-BCC-103-RX?
All MLX90371GVS-BCC-103-RX units undergo pre-shipment inspection (PSI). If there is an issue with MLX90371GVS-BCC-103-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-103-RX part is unused and in its original packaging.
Return procedure for MLX90371GVS-BCC-103-RX:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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