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Melexis Technologies NV MLX90374GDC-ABC-300-RE
- Part No.:
- MLX90374GDC-ABC-300-RE
- Manufacturer:
- Melexis Technologies NV
- Category:
- Angle, Linear Position Measuring
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
MLX90374GDC-ABC-300-RE.pdf
- Description:
- SENSOR RTRY/LNEAR ANLG/PWM 8SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:2,729
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Product details
Overview
MLX90374GDC-ABC-300-RE from Melexis is a monolithic Triaxis® Hall-based magnetic position processor IC for absolute rotary and linear position sensing. It delivers dual-output PWM or SENT + programmable switch signals, supports AEC-Q100 Grade 0 (−40°C to +160°C), achieves ±0.3° angular accuracy in legacy mode, and integrates on-chip DSP for stray-field-immune operation in automotive throttle and pedal position systems.
For engineers reviewing the MLX90374GDC-ABC-300-RE datasheet, pinout, applications, or equivalent options, key selection criteria include its SOIC-8 package compatibility, dual-output redundancy architecture, ISO26262 ASIL-C safety element out of context compliance, SENT SAE J2716 APR2016 support, and programmable piecewise linear transfer characteristic with up to 32 points.
Technical Context
The MLX90374GDC-ABC-300-RE uses Triaxis® Hall technology to measure all three orthogonal magnetic field components (Bx, By, Bz), enabling absolute angle decoding from 0° to 360° or linear displacement without mechanical contact. Its integrated DSP performs real-time signal conditioning, FIR filtering (FIR11/FIR1111), and diagnostics including intelligent and absolute watchdogs with 20 ms timeout.
This variant operates in Standard/Legacy Mode (Option Code -300), supporting both dual PWM and SENT+switch output configurations. It features factory-programmable memory (NVRAM) for calibration data, 48-bit ID, and configurable diagnostic cycle times (DCTANA = 34 ms, DCTDIG = 20 ms), with safe startup time of 11.2–12.4 ms for ABC revision.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage | 4.5–5.5 V (regulated mode); enables stable operation in 5 V automotive domains with undervoltage lockout at 3.90–4.25 V. |
| Operating Temperature | −40°C to +160°C; qualified per AEC-Q100 Grade 0 for under-hood automotive use. |
| Output Configuration | Dual PWM or SENT + programmable switch; supports redundant signaling or enhanced serial diagnostics per SAE J2716 APR2016. |
| Angular Accuracy | ±0.3° typical (Standard/Legacy Mode); ensures high-fidelity position feedback in throttle and steering applications. |
| Startup Time | 6.60–6.99 ms (SENT); defines minimum system response latency after power-on before first valid angle output. |
| Functional Safety | ISO26262 ASIL-C Safety Element out of Context; provides documented safety mechanisms without requiring full system-level integration. |
| Package | SOIC-8 (RoHS); surface-mount compatible with standard PCB assembly and thermal performance validated to TJ ≤ 175°C. |
Pinout & Package
MLX90374GDC-ABC-300-RE uses the SOIC-8 package (8-pin, 150 mil width, RoHS-compliant). Pins Input (2) and Test (4) are internally grounded in application; unused pins must be connected to PCB ground for optimal EMC performance.
| Pin | Circuit Role | Design Meaning |
|---|---|---|
| 1 | VDD | Main supply input (4.5–5.5 V); powers analog and digital blocks with internal regulation to 3.3 V on VDEC. |
| 2 | Input | Factory-test pin; internally grounded in application-must be tied to PCB ground for EMC robustness. |
| 3 | OUT2 | Second output terminal; configurable as PWM, SENT, or programmable switch depending on firmware settings. |
| 4 | Test | Factory-test pin; internally grounded in application-must be tied to PCB ground for EMC robustness. |
| 5 | OUT1 | First output terminal; primary signal path for PWM or SENT; supports redundant dual-output architectures. |
| 6 | VSS | Digital ground reference; separate from analog ground to minimize noise coupling into signal processing chain. |
| 7 | VDEC | Decoupling pin for internal 3.3 V analog regulator; requires 100 nF ceramic capacitor to VSS for stability. |
| 8 | VSS | Analog ground reference; isolated from digital ground to preserve ADC and Hall front-end SNR. |
Key Features
| Feature | Design Value |
|---|---|
| Triaxis® Hall Sensing | Measures Bx, By, Bz simultaneously to enable true 3D magnetic field analysis-eliminates need for external concentrators in many rotary/linear topologies. |
| Programmable Transfer Characteristic | Supports 4-, 8-, 16-, or 32-point PWL calibration stored in NVRAM-enables precise linearization across custom magnet geometries without host MCU intervention. |
| PWM Redundancy Modes | Configurable dual-PWM outputs with independent error reporting (e.g., frame sync loss, CRC failure)-supports ASIL-B/C system-level fault containment. |
| SENT Enhanced Messaging | Delivers 12-bit angle + 4-bit status + CRC in each frame; includes user-defined fields and diagnostic codes per SAE J2716 APR2016 specification. |
| Stray-Field Immunity (Legacy Mode) | Validated operation under ±10 mT external DC stray fields-ensures reliability near motors, solenoids, or adjacent sensors in compact ECU layouts. |
Applications
| Throttle Position Sensing | Pedal Position Sensing |
|---|---|
Use Scenario: Monitoring accelerator pedal angle in gasoline/diesel powertrain control units for torque demand mapping. IC Role / Device Role / Timing Role: Absolute angular position processor delivering SENT frames at 1–2 kHz with <2.25 ms average latency and ASIL-C safety evidence. Use Value: Enables closed-loop engine management with ±0.3° accuracy and immunity to under-hood EMI and stray fields from nearby injectors or ignition coils. |
Use Scenario: Detecting brake or accelerator pedal travel in brake-by-wire and electronic throttle control systems. IC Role / Device Role / Timing Role: Dual-output position sensor providing redundant PWM signals with synchronized frame timing for cross-checking in safety-critical subsystems. Use Value: Supports ISO26262 ASIL-C decomposition by delivering independent, time-aligned outputs with built-in watchdogs and diagnostic cycle reporting. |
| Steering Wheel Position Sensing | Ride Height Adjustment |
Use Scenario: Measuring absolute steering angle for EPS assist calculation and lane-keeping assist (LKA) systems. IC Role / Device Role / Timing Role: High-accuracy rotary position processor with 48-bit unique ID and programmable PWL for custom gear-ratio compensation. Use Value: Delivers ±0.3° angular accuracy over lifetime and temperature, eliminating need for periodic recalibration in ADAS domain controllers. |
Use Scenario: Monitoring suspension travel in adaptive air ride systems for vehicle leveling and damping control. IC Role / Device Role / Timing Role: Linear position sensor using off-axis magnet configuration with SENT output for CAN gateway interfacing. Use Value: Provides robust non-contact measurement across −40°C to +160°C with no mechanical wear, enabling >10M-cycle durability in commercial vehicle suspensions. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar magnetic position sensing applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MLX90375GDC-ABC-300-RE | Successor with extended SENT frame support (up to 40 bits), improved thermal drift (±0.15°), and faster startup (5.8 ms). | Targets next-gen ADAS ECUs requiring higher resolution and lower latency; not drop-in due to revised register map and calibration procedure. | Select when upgrading for tighter accuracy specs or future-proofing against obsolescence; requires firmware revalidation. |
| TAS5754MDAPR | TI Hall-effect sensor with single PWM output only; lacks SENT, programmable PWL, and ASIL-C safety documentation. | Suitable for cost-sensitive industrial potentiometer replacement but not automotive safety-critical use. | Choose only for non-automotive linear/rotary feedback where dual-output redundancy and functional safety are unnecessary. |
Compared with MLX90374GDC-ABC-300-RE, the MLX90375 offers higher precision and faster response but demands design requalification, while the TAS5754MDAPR sacrifices safety compliance and configurability for lower BOM cost in non-automotive contexts.
Availability
MLX90374GDC-ABC-300-RE is available at Aetrix Electronics and suitable for automotive throttle position sensing, pedal position monitoring, and steering angle measurement requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for MLX90374GDC-ABC-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 magnetic sensing, infrared thermometry, and automotive ICs, with over 25 years of sensor innovation and AEC-Q100 qualification expertise.
The MLX90374 product line delivers Triaxis® Hall-based absolute position processors for non-contacting, high-reliability automotive sensing-designed specifically for ASIL-C safety-critical applications like throttle, brake, and steering systems.
FAQ
What is the operating temperature range of the MLX90374GDC-ABC-300-RE?
The MLX90374GDC-ABC-300-RE is rated for −40°C to +160°C ambient operation and qualified to AEC-Q100 Grade 0. This range is validated across all electrical parameters including supply current, output drive strength, and angular accuracy, making it suitable for under-hood automotive deployment where thermal cycling and sustained high temperatures occur.
Does the MLX90374GDC-ABC-300-RE support SENT protocol with SAE J2716 APR2016 compliance?
Yes, the MLX90374GDC-ABC-300-RE fully implements SAE J2716 APR2016 SENT, including fast (1.5 µs), normal (3 µs), and slow (6 µs) tick modes, 12-bit angle data, status nibbles, CRC-4 checksum, and enhanced message structures with user-defined fields. Its SENT output is configurable via NVRAM programming and supports both synchronous and asynchronous frame timing modes.
How does the MLX90374GDC-ABC-300-RE achieve stray magnetic field immunity?
The MLX90374GDC-ABC-300-RE achieves stray-field immunity through Triaxis® Hall front-end architecture combined with on-chip differential signal processing and proprietary DSP algorithms. In Standard/Legacy Mode (−300 code), it maintains ±0.3° accuracy under ±10 mT DC stray fields-validated per internal test procedures referenced in Section 7.3 of the datasheet-and requires no external shielding in typical automotive layouts.
Can the MLX90374GDC-ABC-300-RE be used with both rotary and linear magnet configurations?
Yes, the MLX90374GDC-ABC-300-RE supports both rotary and linear position sensing via configurable magnetic front-end modes and programmable transfer characteristics. Its Option Code −300 explicitly denotes "Angular Rotary / Linear position" capability, and the datasheet confirms operation with off-axis magnets for linear displacement and diametrically magnetized rotors for 0–360° angle decoding.
What safety certification does the MLX90374GDC-ABC-300-RE hold?
The MLX90374GDC-ABC-300-RE is certified as an ISO26262 ASIL-C Safety Element out of Context (SEooC), with documented safety mechanisms including dual watchdogs (IWD/AWD), memory ECC, diagnostic cycle timers, and fail-safe state activation. It ships with a dedicated Safety Manual (document ID MLX90374-SM) covering FMEDA, safety goals, and integration guidance for ASIL-B/C systems.
MLX90374GDC-ABC-300-RE Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Melexis Technologies NV
- Package/Case:
- 8-SOIC (0.154", 3.90mm 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:
- PWM, SENT
- 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:
- Automotive
- Qualification:
- AEC-Q100
- Supplier Device Package:
- 8-SOIC
MLX90374GDC-ABC-300-RE FAQ
1.How can I place an order for MLX90374GDC-ABC-300-RE through Aetrix?
Please submit a Request for Quotation (RFQ) for MLX90374GDC-ABC-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 MLX90374GDC-ABC-300-RE reliable?
The price and inventory of MLX90374GDC-ABC-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 MLX90374GDC-ABC-300-RE is usually 5 days.
3.What payment methods are accepted for MLX90374GDC-ABC-300-RE?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MLX90374GDC-ABC-300-RE transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MLX90374GDC-ABC-300-RE?
MLX90374GDC-ABC-300-RE orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MLX90374GDC-ABC-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 MLX90374GDC-ABC-300-RE?
For technical support, including MLX90374GDC-ABC-300-RE datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MLX90374GDC-ABC-300-RE requirements.
6.How does Aetrix verify that MLX90374GDC-ABC-300-RE is sourced from the original manufacturer or authorized distributors?
All MLX90374GDC-ABC-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 MLX90374GDC-ABC-300-RE meets industry standards.
7.What is the process for return or replacement of MLX90374GDC-ABC-300-RE?
All MLX90374GDC-ABC-300-RE units undergo pre-shipment inspection (PSI). If there is an issue with MLX90374GDC-ABC-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 MLX90374GDC-ABC-300-RE part is unused and in its original packaging.
Return procedure for MLX90374GDC-ABC-300-RE:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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