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Melexis Technologies NV MLX90425GDC-ABA-600-SP
- Part No.:
- MLX90425GDC-ABA-600-SP
- Manufacturer:
- Melexis Technologies NV
- Category:
- Angle, Linear Position Measuring
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
MLX90425GDC-ABA-600-SP.pdf
- Description:
- TRIAXIS MIDRANGE SENSOR FOR 360
- Quantity:
- Payment:
- Shipping:
Inventory:2,616
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Product details
Overview
MLX90425GDC-ABA-600-SP from Melexis is a monolithic Triaxis® Hall-based magnetic position sensor IC for absolute angular rotary sensing up to 360°, featuring ratiometric analog or PWM output, ±1° total accuracy over -40°C to +160°C, and AEC-Q100 Grade 0 qualification. It decodes magnet rotation above/below the die surface using differential Z-axis field detection and supports post-assembly programming of linearization up to 17 points.
For engineers reviewing the MLX90425GDC-ABA-600-SP datasheet, pinout, applications, or equivalent options, this page delivers verified package mapping (SOIC-8), confirmed SOIC-8 pin functions, real-world automotive use cases including pedal and throttle position sensing, and two validated alternative parts with documented functional and packaging differences.
Technical Context
The MLX90425GDC-ABA-600-SP integrates a Triaxis® Hall front end, 12-bit ADC, DSP-based signal conditioning, and programmable output stage - all on a single die in SOIC-8. Its architecture enables stray-field robustness via differential Z-axis field sensing and supports real-time linearization using up to 17-point piecewise-linear (PWL) transfer function calibration.
It operates in continuous acquisition mode with 512 µs internal angle measurement period, delivers analog output with 225–237 µs latency (filter 0), and supports PWM output at 100–2000 Hz with ±1% initial frequency tolerance. Safety features include ISO 26262 ASIL-B SEooC compliance and passive broken-wire diagnostics on VDD/VSS lines.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Type | Ratiometric analog voltage or PWM - selectable via programming; enables flexible interface with MCU ADC or timer capture inputs. |
| Angular Range | 0° to 360° absolute rotary position - supports full-turn non-contact sensing without mechanical stops or multi-turn gearing. |
| Total Accuracy | ±1° over -40°C to +160°C - includes INL, DNL, thermal drift, and magnet misalignment effects; validated per AEC-Q100. |
| Supply Voltage | 4.5 V to 5.5 V - operates across automotive battery range with internal 3.3 V regulated analog rail (VDEC). |
| Supply Current | 8–11.5 mA (single die) - low quiescent power enables use in always-on vehicle subsystems like brake pedals. |
| Operating Temp | -40°C to +160°C - qualified for under-hood and transmission applications; extended to +180°C for ≤250 h in DMP-4/SMP-3/SMP-4. |
| Safety Certification | ISO 26262 ASIL-B SEooC - provides safety mechanisms (CRC, watchdog, diagnostics) for integration into ASIL-B systems without additional hardware. |
Pinout & Package
MLX90425GDC-ABA-600-SP uses the SOIC-8 (DC) package: 8-pin, 3.9 mm × 4.9 mm body, 1.27 mm pitch, RoHS-compliant, with exposed pad optional (not present in DC variant). Pin 4 and Pin 6 are N.C.; Test1/Test2 internally grounded in application mode and should be tied to PCB ground for EMC.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 - VDD | Primary supply input | Accepts 4.5–5.5 V; powers internal regulator (VDEC = 3.3 V) and logic; requires local 100 nF decoupling. |
| 2 - Test1 | Factory test terminal | Internally grounded during operation; connect to PCB ground for optimal EMC performance. |
| 3 - Test2 | Factory test terminal | Internally grounded during operation; connect to PCB ground for optimal EMC performance. |
| 4 - N.C. | No connection | Not bonded; must be left floating or tied to ground per layout best practice. |
| 5 - OUT | Programmable analog/PWM output | Drives ratiometric voltage (0.5–99% VDD) or PWM (100–2000 Hz); open-drain or push-pull configurable. |
| 6 - N.C. | No connection | Not bonded; must be left floating or tied to ground per layout best practice. |
| 7 - VDEC | Internal analog regulator decoupling | Connects directly to 100 nF ceramic capacitor to ground; critical for analog output stability and noise immunity. |
| 8 - VSS | Ground reference | Main return path for supply and output; requires low-impedance connection to system ground plane. |
Key Features
| Feature | Design Value |
|---|---|
| Triaxis® Hall Technology | Differential Z-axis field sensing enables robust 360° absolute angle measurement with immunity to lateral stray fields up to ±1 T. |
| 17-Point Programmable Linearization | Corrects magnet nonlinearity and mechanical tolerances in-system after assembly - improves end-of-line accuracy without custom magnets. |
| ASIL-B Safety Element out of Context | Includes CRC-protected memory, dual watchdogs (AWD/IWD), and diagnostic cycle timing (DCTANA = 12.4 ms) - reduces FMEDA effort for functional safety integration. |
| AEC-Q100 Grade 0 Qualification | Validated for operation from -40°C to +160°C ambient - supports placement in high-temperature zones like engine compartments and transmissions. |
| Stray-Field Robust Architecture | Rejects external magnetic interference via integrated magnetic concentrator (IMC) and differential sensing - eliminates need for external shielding in most applications. |
Applications
| Pedal Position Sensing | Throttle Position Sensing |
|---|---|
|
Use Scenario: Real-time detection of accelerator/brake pedal angular displacement in electric and ICE vehicles. IC Role / Device Role / Timing Role: Absolute 360° rotary position sensor interfacing directly to vehicle ECU via analog voltage or PWM. Use Value: ±1° accuracy ensures precise torque mapping; ASIL-B compliance supports functional safety requirements for drive-by-wire systems. |
Use Scenario: Monitoring throttle valve angle in gasoline/diesel engines and hybrid powertrains. IC Role / Device Role / Timing Role: High-reliability magnetic position transducer delivering ratiometric output synchronized to engine control loop timing. Use Value: Stray-field immunity prevents false readings near ignition coils or alternators; 512 µs measurement period enables fast closed-loop response. |
| Ride Height Control | Steering Wheel Angle Sensing |
|
Use Scenario: Active suspension systems measuring suspension travel via rotary cam or lever arm. IC Role / Device Role / Timing Role: Non-contact angular sensor mounted on suspension linkage, outputting analog signal to chassis controller. Use Value: SOIC-8 package allows compact integration into tight suspension housings; -40°C to +160°C rating withstands under-vehicle thermal cycling. |
Use Scenario: Detection of driver steering input for EPS assist, lane-keeping, and ADAS yaw estimation. IC Role / Device Role / Timing Role: Primary 360°+ multi-turn-capable position sensor feeding angle data to steering ECU with <240 µs latency. Use Value: Programmable linearization compensates for gear backlash and mounting eccentricity; PWM output simplifies ECU timer resource usage. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar magnetic position sensing applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MLX90425GVE-ABA-600-SP | SMP-3 package (PCB-less, 3-pin), smaller footprint (2.1 × 1.8 mm), no VDEC pin - integrated decoupling capacitors reduce BOM count. | Better suited for space-constrained modules (e.g., pedal potentiometer replacements); lacks SOIC-8's mechanical robustness and thermal mass. | Select when board area is critical and external decoupling is undesirable; verify mechanical retention in high-vibration environments. |
| MLX90425GVS-ABA-600-SP | DMP-4 package (4-pin, 2.5 × 2.5 mm), pin-to-pin compatible with legacy Triaxis® sensors, dual VSS pins improve grounding integrity. | Designed for drop-in replacement in existing DMP-4 layouts; higher current draw (17–24 mA) due to stacked-die architecture. | Choose for legacy design refreshes requiring minimal PCB rework; confirm power delivery capability for increased supply current. |
Compared with MLX90425GDC-ABA-600-SP, the SMP-3 variant reduces size and component count but sacrifices thermal margin and mechanical mounting rigidity, while the DMP-4 offers seamless migration from prior-generation designs at the cost of higher power consumption and reduced angular accuracy (±1.5° vs. ±1°).
Availability
MLX90425GDC-ABA-600-SP is available at Aetrix Electronics and suitable for pedal position sensing, throttle control, and ride height monitoring requiring stable component supply across automotive production lifecycles.
Supply support for MLX90425GDC-ABA-600-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 magnetic sensing, infrared thermometry, and automotive ICs, with over 30 years of expertise in Hall-effect and Triaxis® technology.
The MLX90425 product line delivers high-accuracy, ASIL-B-compliant magnetic position sensing for automotive powertrain and chassis systems - engineered specifically for harsh-environment rotary feedback where contactless reliability is mandatory.
FAQ
What is the operating temperature range of the MLX90425GDC-ABA-600-SP?
The MLX90425GDC-ABA-600-SP is rated for continuous operation from -40°C to +160°C ambient temperature and qualified to AEC-Q100 Grade 0. It supports extended high-temperature exposure up to +180°C for ≤250 hours - but only in DMP-4, SMP-3, and SMP-4 packages, not the SOIC-8 variant used in MLX90425GDC-ABA-600-SP.
Does the MLX90425GDC-ABA-600-SP require external programming hardware?
Yes, the MLX90425GDC-ABA-600-SP supports end-user programming via I²C or SENT interface for linearization, output mode selection, and diagnostics configuration. Programming is performed post-assembly using Melexis' PTM (Programmable Triaxis® Module) tools and requires a compatible programmer such as the EVB90425 evaluation board.
What output configurations does the MLX90425GDC-ABA-600-SP support?
The MLX90425GDC-ABA-600-SP supports both ratiometric analog voltage (0.5–99% of VDD) and PWM (100–2000 Hz) outputs, configurable via on-chip NVRAM. The analog output has 225–237 µs latency (filter 0); PWM offers programmable frequency and duty cycle with ±1% initial tolerance at 35°C.
Is the MLX90425GDC-ABA-600-SP pin-compatible with earlier Triaxis® sensors?
No, the MLX90425GDC-ABA-600-SP in SOIC-8 is not pin-compatible with legacy Triaxis® devices like MLX90363 or MLX90364. Pin compatibility exists only within the DMP-4 package family (e.g., MLX90425GVS-ABA-600-SP), which maintains the same 4-pin layout and grounding scheme as prior generations.
How does the MLX90425GDC-ABA-600-SP achieve stray magnetic field immunity?
The MLX90425GDC-ABA-600-SP achieves stray-field robustness through its Triaxis® Hall architecture: it measures the differential Z-axis component of magnetic flux using integrated magnetic concentrators (IMCs), rejecting common-mode interference from X/Y-axis fields. This enables reliable operation in environments with fields up to ±1 T without external shielding.
MLX90425GDC-ABA-600-SP Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Melexis Technologies NV
- Package/Case:
- 8-SOIC (0.154", 3.90mm Width)
- Series:
- -
- Packaging:
- Bulk
- Product Status:
- Active
- Programmable:
- -
- For Measuring:
- Rotary Position
- Technology:
- Hall Effect
- Rotation Angle - Electrical, Mechanical:
- 0° ~ 360°, Continuous
- Linear Range:
- -
- Output:
- Analog, PWM
- Output Signal:
- Programmable
- Actuator Type:
- External Magnet, Not Included
- Linearity:
- ±1.2°
- 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
MLX90425GDC-ABA-600-SP FAQ
1.How can I place an order for MLX90425GDC-ABA-600-SP through Aetrix?
Please submit a Request for Quotation (RFQ) for MLX90425GDC-ABA-600-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 MLX90425GDC-ABA-600-SP reliable?
The price and inventory of MLX90425GDC-ABA-600-SP are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MLX90425GDC-ABA-600-SP is usually 5 days.
3.What payment methods are accepted for MLX90425GDC-ABA-600-SP?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MLX90425GDC-ABA-600-SP transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MLX90425GDC-ABA-600-SP?
MLX90425GDC-ABA-600-SP orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MLX90425GDC-ABA-600-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 MLX90425GDC-ABA-600-SP?
For technical support, including MLX90425GDC-ABA-600-SP datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MLX90425GDC-ABA-600-SP requirements.
6.How does Aetrix verify that MLX90425GDC-ABA-600-SP is sourced from the original manufacturer or authorized distributors?
All MLX90425GDC-ABA-600-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 MLX90425GDC-ABA-600-SP meets industry standards.
7.What is the process for return or replacement of MLX90425GDC-ABA-600-SP?
All MLX90425GDC-ABA-600-SP units undergo pre-shipment inspection (PSI). If there is an issue with MLX90425GDC-ABA-600-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 MLX90425GDC-ABA-600-SP part is unused and in its original packaging.
Return procedure for MLX90425GDC-ABA-600-SP:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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