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Melexis Technologies NV MLX90371GGO-BCC-300-RE
- Part No.:
- MLX90371GGO-BCC-300-RE
- Manufacturer:
- Melexis Technologies NV
- Category:
- Angle, Linear Position Measuring
- Package:
- 16-TSSOP (0.173", 4.40mm Width)
- Datasheet:
-
MLX90371GGO-BCC-300-RE.pdf
- Description:
- SENSOR ROTARY 360DEG SMD
- Quantity:
- Payment:
- Shipping:
Inventory:4,576
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Product details
Overview
MLX90371GGO-BCC-300-RE from Melexis is a Triaxis® monolithic position processor IC that senses BX, BY, and BZ magnetic field components to deliver absolute rotary or linear position output with 12-bit resolution, ±10-bit thermal accuracy, and programmable analog or PWM output in Standard/Legacy Mode. It operates from -40°C to +160°C, supports stray-field immunity, and is qualified per ISO26262 ASIL-B as a Safety Element out of Context for automotive pedal, throttle, and steering applications.
For engineers reviewing the MLX90371GGO-BCC-300-RE datasheet, pinout, applications, or equivalent options, this page provides verified package mapping (TSSOP-16), confirmed pin functions, real-world accuracy specs under legacy mode operation, functional safety context per ISO26262, and validated alternatives for position-sensing system design.
Technical Context
The MLX90371GGO-BCC-300-RE implements on-chip DSP-based signal processing to decode absolute angular or linear position from 3-axis Hall measurements, using internal ADCs, FIR or exponential moving average filtering, and programmable transfer characteristics (4/8-point LNR or 16/32-segment PWL). Its dual-die TSSOP-16 architecture enables isolation between signal paths.
It supports two independent outputs (OUT1 and OUT2), each configurable as ratiometric analog or PWM (150–2000 Hz), with clamping, diagnostic bands, and passive broken-wire detection. The device includes NVRAM for user-programmable parameters, temperature compensation, and integrated reverse-polarity and overvoltage protection.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage | 4.5–5.5 V - Operates within standard 5 V automotive rail tolerances without external regulation. |
| Supply Current | 6–10 mA - Lower quiescent current in Standard/Legacy Mode reduces thermal load in sealed modules. |
| Output Resolution | 12-bit - Delivers 4096 distinct position steps across full scale for high-precision feedback control. |
| Thermal Accuracy | ±10-bit - Maintains ≤0.1% FS error over -40°C to +160°C, critical for under-hood reliability. |
| Latency Time | 440–462 μs - Enables real-time closed-loop response in fast-acting systems like electronic throttle control. |
| PWM Frequency Range | 150–2000 Hz - Supports flexible ECU sampling strategies while meeting EMC requirements. |
| Operating Temperature | -40°C to +160°C - Qualified for direct-mount engine bay and transmission applications. |
Pinout & Package
TSSOP-16 package with exposed thermal pad; RoHS-compliant, moisture sensitivity level MSL3.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 9 | VDEC1 / VDEC2 | On-chip regulator decoupling pins - require 100 nF ceramic capacitors to ground for stable internal voltage generation. |
| 2, 10, 16 | VSSA1 / VSSA2 / VSSD1 | Analog/digital ground terminals - separate grounding improves noise immunity in mixed-signal operation. |
| 3, 11 | VDD1 / VDD2 | Primary supply inputs - dual supply rails support isolated dual-output configuration. |
| 4, 12 | Test Input1 / Test Input2 | Factory test access points - must be tied to ground per EMC recommendations for production use. |
| 5, 13 | Test2 / Test1 | Factory test access points - unused in end application; connect to ground for optimal EMC performance. |
| 6, 15 | OUT2 / OUT1 | Independent programmable outputs - each configurable as analog (ratiometric) or PWM with separate scaling and diagnostics. |
| 7, 14 | Not Used2 / Not Used1 | No internal connection - must be grounded to minimize parasitic coupling and meet EMC compliance. |
Key Features
| Feature | Design Value |
|---|---|
| Triaxis® 3-Axis Sensing | Simultaneous BX/BY/BZ measurement enables true 360° absolute angle or linear displacement without mechanical stops or multi-turn gearing. |
| ISO26262 ASIL-B SEooC | Pre-certified safety element allows integration into ASIL-B systems without requiring full FMEDA revalidation by Tier-1s. |
| Programmable Transfer Characteristic | Supports 4/8-point linearization or 16/32-segment piecewise-linear curves - eliminates need for external lookup tables or host MCU interpolation. |
| Dual Independent Outputs | Two fully configurable outputs (OUT1/OUT2) enable redundancy, differential sensing, or dual-channel feedback in safety-critical systems. |
| Stray-Field Immunity (Legacy Mode) | Standard/Legacy Mode (BCC-300) maintains robustness against external magnetic interference without requiring specialized magnet assemblies. |
Applications
| Pedal Position Sensing | Throttle Position Sensing |
|---|---|
Use Scenario: Detecting accelerator or brake pedal angle in electric/hybrid powertrains with high EMC immunity and extended temperature range. IC Role / Device Role / Timing Role: Absolute position transducer providing real-time analog or PWM feedback to vehicle control unit with <462 μs latency. Use Value: Enables precise torque mapping and failsafe pedal release detection via dual-output redundancy and passive broken-wire diagnostics. | Use Scenario: Monitoring butterfly valve angle in gasoline direct injection engines under hood temperatures up to +160°C. IC Role / Device Role / Timing Role: High-accuracy, ASIL-B-compliant position sensor interfacing directly with engine ECU via ratiometric analog or PWM output. Use Value: Eliminates potentiometer wear-out failure modes while maintaining ±10-bit thermal accuracy across full operating range. |
| Steering Wheel Position Sensing | Ride Height Position Sensing |
Use Scenario: Measuring steering column rotation for EPS assist control and lane-keeping systems in ADAS architectures. IC Role / Device Role / Timing Role: Triaxis® position processor delivering 12-bit absolute angle data with programmable zero-degree point and clockwise direction flag. Use Value: Supports seamless integration with CAN FD networks via deterministic PWM timing and built-in diagnostic cycle management. | Use Scenario: Monitoring suspension travel in adaptive air ride systems where compact size and stray-field resilience are essential. IC Role / Device Role / Timing Role: Linear displacement sensor using magnet-in-gap configuration with factory-programmable scaling and clamping limits. Use Value: Reduces calibration labor through on-device 32-segment PWL linearization and 48-bit unique ID for traceability. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar absolute position sensing applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MLX90372GGO-BCC-300-RE | Same TSSOP-16 package and pinout; adds enhanced diagnostic coverage including active watchdog and ECC-protected NVRAM. | Required for new ASIL-B designs needing higher diagnostic coverage metrics (DC & LFM per ISO26262 Part 5). | Select MLX90372 when upgrading legacy systems to meet updated functional safety targets without PCB redesign. |
| AMS AS5055A-BQFT | 14-bit resolution, SPI interface only, no analog/PWM output; requires external MCU for signal conditioning and diagnostics. | Suitable for space-constrained PCBs where digital interface and higher resolution outweigh need for self-contained analog output. | Choose AS5055A-BQFT only if host MCU handles all signal processing, diagnostics, and safety mechanisms - not a drop-in replacement. |
Compared with MLX90371GGO-BCC-300-RE, the MLX90372 offers expanded safety features but identical footprint and basic functionality, whereas the AS5055A-BQFT trades integrated output flexibility for higher resolution and smaller package - requiring full system-level requalification.
Availability
MLX90371GGO-BCC-300-RE is available at Aetrix Electronics and suitable for automotive pedal position sensing, throttle control systems, and steering angle measurement requiring stable component supply, long-term lifecycle continuity, and ASIL-B-ready qualification.
Supply support for MLX90371GGO-BCC-300-RE 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 belongs to Melexis' Triaxis® position processor product line, designed specifically for contactless absolute angular and linear position measurement in harsh automotive environments where reliability, safety certification, and stray-field immunity are mandatory.
FAQ
What is the operating temperature range of the MLX90371GGO-BCC-300-RE?
The MLX90371GGO-BCC-300-RE is qualified for continuous operation from -40°C to +160°C, matching under-hood and transmission-mount requirements. This rating is verified per AEC-Q100 Grade 0 stress testing and applies to both analog and PWM output modes in Standard/Legacy Mode (BCC-300). The device maintains full 12-bit resolution and ±10-bit thermal accuracy across this range.
Does the MLX90371GGO-BCC-300-RE support both analog and PWM outputs simultaneously?
Yes, the MLX90371GGO-BCC-300-RE supports simultaneous analog (ratiometric) and PWM outputs on its two independent channels (OUT1 and OUT2). Each output is separately programmable via NVRAM for mode, scaling, linearization, and diagnostics - enabling redundant feedback or differential sensing without external circuitry.
How does the MLX90371GGO-BCC-300-RE achieve stray-field immunity in Standard/Legacy Mode?
In Standard/Legacy Mode (BCC-300), the MLX90371GGO-BCC-300-RE uses internal algorithmic compensation and dual-die TSSOP-16 layout to reject common-mode magnetic interference. Unlike Rotary or Linear Stray-Field Immune variants, it relies on calibrated signal processing rather than dedicated shielded die structures - offering proven immunity for legacy system compatibility.
Is the MLX90371GGO-BCC-300-RE certified to ISO26262, and what does ASIL-B SEooC mean?
Yes, the MLX90371GGO-BCC-300-RE is certified as an ISO26262 ASIL-B Safety Element out of Context (SEooC). This means Melexis has completed FMEDA, fault injection, and safety analysis for the device itself, allowing Tier-1s to integrate it into ASIL-B systems without repeating foundational safety validation - provided system-level assumptions of use (AoU) are met.
What package type and pin count does the MLX90371GGO-BCC-300-RE use?
The MLX90371GGO-BCC-300-RE uses the TSSOP-16 package (package code "GO") with 16 leads and an exposed thermal pad. Pin definitions include dual VDD/VSS rails, two independent outputs (OUT1/OUT2), two decoupling pins (VDEC1/VDEC2), and four test/not-used pins - all documented in Section 3.2 of the official datasheet Rev. 004.
MLX90371GGO-BCC-300-RE Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Melexis Technologies NV
- Package/Case:
- 16-TSSOP (0.173", 4.40mm Width)
- Series:
- Triaxis®
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Programmable:
- -
- For Measuring:
- Linear, Rotary Position
- Technology:
- Hall Effect
- Rotation Angle - Electrical, Mechanical:
- 0° ~ 360°, Continuous
- 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:
- 16-TSSOP
MLX90371GGO-BCC-300-RE FAQ
1.How can I place an order for MLX90371GGO-BCC-300-RE through Aetrix?
Please submit a Request for Quotation (RFQ) for MLX90371GGO-BCC-300-RE 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 MLX90371GGO-BCC-300-RE reliable?
The price and inventory of MLX90371GGO-BCC-300-RE are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MLX90371GGO-BCC-300-RE is usually 5 days.
3.What payment methods are accepted for MLX90371GGO-BCC-300-RE?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MLX90371GGO-BCC-300-RE transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MLX90371GGO-BCC-300-RE?
MLX90371GGO-BCC-300-RE orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MLX90371GGO-BCC-300-RE 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 MLX90371GGO-BCC-300-RE?
For technical support, including MLX90371GGO-BCC-300-RE datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MLX90371GGO-BCC-300-RE requirements.
6.How does Aetrix verify that MLX90371GGO-BCC-300-RE is sourced from the original manufacturer or authorized distributors?
All MLX90371GGO-BCC-300-RE 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 MLX90371GGO-BCC-300-RE meets industry standards.
7.What is the process for return or replacement of MLX90371GGO-BCC-300-RE?
All MLX90371GGO-BCC-300-RE units undergo pre-shipment inspection (PSI). If there is an issue with MLX90371GGO-BCC-300-RE, 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 MLX90371GGO-BCC-300-RE part is unused and in its original packaging.
Return procedure for MLX90371GGO-BCC-300-RE:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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