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Melexis Technologies NV MLX90425GDC-ABA-600-RE
- Part No.:
- MLX90425GDC-ABA-600-RE
- Manufacturer:
- Melexis Technologies NV
- Category:
- Angle, Linear Position Measuring
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
MLX90425GDC-ABA-600-RE.pdf
- Description:
- TRIAXIS MIDRANGE SENSOR FOR 360
- Quantity:
- Payment:
- Shipping:
Inventory:3,173
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Product details
Overview
MLX90425GDC-ABA-600-RE from Melexis is a Triaxis® monolithic 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 stray-field robustness in SOIC-8 package. It decodes on-axis magnet rotation using differential Z-axis field sensing and supports post-assembly programming of linearization up to 17 points.
For engineers reviewing the MLX90425GDC-ABA-600-RE datasheet, pinout, applications, or equivalent options, this page delivers verified specifications, SOIC-8 package interface details, automotive-grade functional safety (ASIL-B), AEC-Q100 Grade 0 qualification, and real-world use cases in throttle, pedal, and steering position sensing.
Technical Context
The MLX90425GDC-ABA-600-RE integrates a Triaxis® Hall front end, analog-to-digital signal conditioner, DSP-based advanced signal processing, and programmable output stage. Its architecture enables robust absolute angle decoding from rotating on-axis magnets via differential Z-axis field measurement, with built-in filtering and multi-point linearization.
It operates in continuous acquisition mode with 512 µs internal angle measurement period, supports both analog (ratiometric) and PWM output protocols, and implements passive broken-wire diagnostics on VDD/VSS lines. The SOIC-8 variant uses single-die configuration with dedicated VDEC decoupling pin and factory-test pins internally grounded in application mode.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Operating Temp | -40°C to +160°C (AEC-Q100 Grade 0 qualified) |
| Output Type | Ratiometric analog or PWM (programmable post-assembly) |
| Total Accuracy | ±1° over full temperature and lifetime (single-die SOIC-8) |
| Supply Voltage | 4.5 V to 5.5 V (VDD); internal regulated VDEC = 3.3 V ±0.1 V |
| Supply Current | 8–11.5 mA (single-die SOIC-8, -40°C to +160°C) |
| Angle Range | 0° to 360° absolute rotary position with stray-field immunity |
| Linearization | Up to 17-point programmable piecewise-linear transfer characteristic |
Pinout & Package
MLX90425GDC-ABA-600-RE is housed in RoHS-compliant SOIC-8 package (DC option code), with exposed pad not present. Pin functions are optimized for automotive EMI resilience: Test and N.C. pins must be tied to PCB ground per datasheet guidance.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 – VDD | Power supply input | 4.5–5.5 V main supply; powers all internal blocks including DSP and output driver |
| 2 – Test1 | Factory test access | Internally grounded in application mode; connect to PCB ground for EMC compliance |
| 3 – Test2 | Factory test access | Internally grounded in application mode; connect to PCB ground for EMC compliance |
| 4 – N.C. | No connection | Not bonded; must be connected to PCB ground to reduce EMI susceptibility |
| 5 – OUT | Programmable output | Configurable as ratiometric analog voltage (0.5–99% VDD) or PWM (100–2000 Hz) |
| 6 – N.C. | No connection | Not bonded; must be connected to PCB ground to reduce EMI susceptibility |
| 7 – VDEC | Internal regulator decoupling | Connect 100 nF ceramic capacitor to VSS for stable 3.3 V internal analog rail |
| 8 – VSS | Ground reference | Primary return path for supply, output, and internal circuitry; low-impedance PCB plane required |
Key Features
| Feature | Design Value |
|---|---|
| Triaxis® Hall Sensing | Differential Z-axis magnetic field detection enables true 3D position decoding without external concentrators |
| ASIL-B Safety Element | ISO 26262-compliant safety mechanisms implemented in hardware and firmware, certified out-of-context |
| Stray-Field Robustness | Immune to external magnetic interference up to ±1 T, validated for under-hood automotive environments |
| Post-Assembly Programming | Multi-point linearization (up to 17 points) and output protocol configurable after mounting into final assembly |
| Broken-Wire Diagnostics | Passive VDD/VSS line monitoring with defined output-level thresholds for fail-safe system response |
Applications
| Pedal Position Sensing | Throttle Position Sensing |
|---|---|
Use Scenario: Non-contact detection of accelerator or brake pedal angular displacement in electric and ICE powertrains. IC Role / Device Role / Timing Role: Absolute 360° rotary position sensor providing real-time analog/PWM feedback to ECU with <1 ms latency. Use Value: Eliminates potentiometer wear and contact bounce; ±1° accuracy ensures precise torque mapping and emissions control. | Use Scenario: Monitoring throttle valve angle in engine management systems under high-vibration, high-temperature conditions. IC Role / Device Role / Timing Role: Stray-field robust magnetic position transducer delivering ASIL-B compliant output to powertrain controller. Use Value: Maintains accuracy despite nearby solenoids and motors; AEC-Q100 Grade 0 rating supports operation up to +160°C ambient. |
| Steering Wheel Position | Ride Height Control |
Use Scenario: Measuring absolute rotational position of steering column for EPS assist and ADAS yaw estimation. IC Role / Device Role / Timing Role: High-reliability angular sensor interfacing directly to steering ECU via analog or PWM, with integrated diagnostics. Use Value: Enables redundancy-ready designs; programmable linearization compensates for mechanical nonlinearity in column linkage. | Use Scenario: Detecting suspension travel in adaptive damping and air-spring leveling systems. IC Role / Device Role / Timing Role: Compact SOIC-8 position sensor mounted on shock absorber or control arm, reporting ride height as analog voltage. Use Value: Small footprint and stray-field immunity allow placement near hydraulic actuators and metal chassis components. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar magnetic angular position sensing applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MLX90425GVE-ABA-600-RE | SMP-3 package (PCB-less, 3-pin), lower profile, no VDEC pin, same single-die die and specs | Better suited for space-constrained modules where board area is limited and decoupling is handled externally | Select when minimizing PCB footprint and eliminating external decoupling cap is prioritized over SOIC-8's layout familiarity |
| MLX90425GVS-ABA-600-RE | DMP-4 package (4-pin), pin-to-pin compatible with legacy Triaxis® sensors, dual VSS pins, same single-die performance | Enables drop-in replacement in existing DMP-4 designs without PCB revision | Choose for legacy design refreshes requiring mechanical and electrical compatibility with prior-generation layouts |
Compared with MLX90425GDC-ABA-600-RE, the VE variant reduces board area and component count by integrating capacitors but removes VDEC flexibility, while the VS variant preserves mechanical fit and routing continuity for upgrade paths-neither offers higher accuracy or extended temperature range beyond the SOIC-8 version.
Availability
MLX90425GDC-ABA-600-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 support, and AEC-Q100-compliant traceability.
Supply support for MLX90425GDC-ABA-600-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 wireless RF chips for automotive and industrial markets, with core expertise in magnetic sensing and embedded signal processing.
The MLX90425 product line delivers high-accuracy, ASIL-B-certified magnetic position sensing for safety-critical automotive subsystems-including powertrain, chassis, and ADAS-where contactless, robust, and programmable angular measurement is essential.
FAQ
What is the maximum operating temperature for MLX90425GDC-ABA-600-RE?
The MLX90425GDC-ABA-600-RE is rated for continuous operation from -40°C to +160°C per AEC-Q100 Grade 0 qualification. It can withstand up to +180°C for limited durations (<250 hours) only in DMP-4, SMP-3, or SMP-4 packages-not the SOIC-8 variant. The SOIC-8 version must remain within its specified -40°C to +160°C ambient range for full specification compliance and reliability.
Does MLX90425GDC-ABA-600-RE support both analog and PWM outputs simultaneously?
No, MLX90425GDC-ABA-600-RE supports either ratiometric analog output or PWM output-not both concurrently. The output mode is configured during end-user programming and stored in non-volatile memory. Once set, the device operates exclusively in that mode until reprogrammed. The analog output provides 0.5–99% VDD proportional to angle; PWM offers 100–2000 Hz frequency with duty cycle mapped to position.
How is the MLX90425GDC-ABA-600-RE protected against magnetic interference?
The MLX90425GDC-ABA-600-RE achieves stray-field robustness through its Triaxis® Hall architecture, which measures the differential Z-axis component of magnetic flux. This topology inherently rejects common-mode fields from adjacent sources. The datasheet confirms immunity to external magnetic fields up to ±1 T, validated across temperature and supply variations-making it suitable for under-hood automotive placement near motors, solenoids, and wiring harnesses.
What diagnostic capabilities does MLX90425GDC-ABA-600-RE provide?
MLX90425GDC-ABA-600-RE implements passive broken-wire diagnostics on VDD and VSS supply lines, generating defined output-level responses (e.g., BVDDPU = 92.5–99.5% VDD) when open-circuit faults occur. It also features internal watchdogs (AWD/IWD), CRC-protected memory, and fault-handling time intervals compliant with ISO 26262 ASIL-B requirements. No external components are needed to activate these diagnostics.
Can MLX90425GDC-ABA-600-RE be programmed after soldering onto the PCB?
Yes, MLX90425GDC-ABA-600-RE supports full end-user programming post-assembly, including output mode selection, 17-point linearization table, filter settings, and diagnostic thresholds. Programming is performed via the OUT pin using Melexis' standard serial protocol and requires only VDD, VSS, and OUT connections-no dedicated programming pins. This enables calibration and tuning after mechanical integration, improving overall system accuracy.
MLX90425GDC-ABA-600-RE Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Melexis Technologies NV
- Package/Case:
- 8-SOIC (0.154", 3.90mm Width)
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- 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-RE FAQ
1.How can I place an order for MLX90425GDC-ABA-600-RE through Aetrix?
Please submit a Request for Quotation (RFQ) for MLX90425GDC-ABA-600-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 MLX90425GDC-ABA-600-RE reliable?
The price and inventory of MLX90425GDC-ABA-600-RE 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-RE is usually 5 days.
3.What payment methods are accepted for MLX90425GDC-ABA-600-RE?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MLX90425GDC-ABA-600-RE transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MLX90425GDC-ABA-600-RE?
MLX90425GDC-ABA-600-RE orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MLX90425GDC-ABA-600-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 MLX90425GDC-ABA-600-RE?
For technical support, including MLX90425GDC-ABA-600-RE datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MLX90425GDC-ABA-600-RE requirements.
6.How does Aetrix verify that MLX90425GDC-ABA-600-RE is sourced from the original manufacturer or authorized distributors?
All MLX90425GDC-ABA-600-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 MLX90425GDC-ABA-600-RE meets industry standards.
7.What is the process for return or replacement of MLX90425GDC-ABA-600-RE?
All MLX90425GDC-ABA-600-RE units undergo pre-shipment inspection (PSI). If there is an issue with MLX90425GDC-ABA-600-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 MLX90425GDC-ABA-600-RE part is unused and in its original packaging.
Return procedure for MLX90425GDC-ABA-600-RE:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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