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Melexis Technologies NV MLX90423GVE-ACA-230-RE
- Part No.:
- MLX90423GVE-ACA-230-RE
- Manufacturer:
- Melexis Technologies NV
- Category:
- Angle, Linear Position Measuring
- Package:
- 3-SIP Module
- Datasheet:
-
MLX90423GVE-ACA-230-RE.pdf
- Description:
- TRIAXIS POSITION PROCESSOR . SEN
- Quantity:
- Payment:
- Shipping:
Inventory:1,558
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Product details
Overview
MLX90423GVE-ACA-230-RE from Melexis is a Triaxis® monolithic magnetic position sensor IC for absolute linear position sensing with stray field immunity up to 5 mT. It integrates a 3-axis Hall front end, DSP-based signal conditioning, and programmable SENT/PWM/ratiometric analog output. Designed for automotive pedal and throttle position sensing at -40°C to +160°C.
For engineers reviewing the MLX90423GVE-ACA-230-RE datasheet, pinout, applications, or equivalent options, this page delivers verified package mapping (SMP-3), confirmed output timing (SENT startup ≤6.26 ms), functional safety compliance (ASIL-C for SENT), stray-field robustness (≤5 mT), and exact pin definitions for PCB layout and system integration.
Technical Context
The MLX90423GVE-ACA-230-RE implements Triaxis® Hall technology to measure Bx, By, and Bz components simultaneously, enabling absolute linear position decoding in stray magnetic fields up to 5 mT. Its on-chip DSP supports user-programmable transfer characteristics (12–16 points) and configurable filtering levels (0–2).
This variant is pre-programmed for linear stray field robust operation (-2xx option code) and SENT output per SAE J2716 APR2016, with ASIL-C functional safety certification. It uses the SMP-3 PCB-less single-mold package with integrated decoupling and operates across 4.5–5.5 V supply voltage.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Interface | SENT (SAE J2716 APR2016), pre-programmed; enables secure serial transmission with CRC and error codes |
| Operating Temp | -40°C to +160°C; qualified per AEC-Q100 Grade 0 for under-hood automotive use |
| Stray Field Immunity | Robust to 5 mT (4 kA/m) per ISO 11452-8; ensures reliable linear position sensing in noisy EMI environments |
| Supply Voltage | 4.5–5.5 V; regulated mode only; internal VDEC = 3.3 V ±0.1 V for analog subsystem stability |
| Startup Time (SENT) | ≤6.26 ms to first valid angle; includes initialization frames and diagnostic readiness |
| Functional Safety | ISO 26262 SEooC certified; ASIL-C for SENT output path; ASIL-B for analog fallback |
| Package | SMP-3 (PCB-less single mold); 3-pin compact form with integrated capacitors; RoHS compliant |
Pinout & Package
SMP-3 is a PCB-less single-mold package with integrated decoupling capacitance, optimized for high-volume automotive sensor modules. Its compact 3-pin footprint minimizes board space and eliminates external bypass capacitors.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1: VDD | Supply input | 4.5–5.5 V regulated supply; powers digital and analog subsystems; internal regulator generates VDEC |
| 2: OUT | Programmable output | SENT-compliant open-drain or push-pull driver; supports pull-up to Vext ≤18 V; includes broken-wire diagnostics |
| 3: VSS | Ground reference | Common return for VDD and output stage; must be low-impedance for EMC and accuracy |
Key Features
| Feature | Design Value |
|---|---|
| Triaxis® 3-Axis Sensing | Simultaneous Bx/By/Bz measurement enables absolute linear position decoding without mechanical stops or calibration |
| Stray-Field Robust Linear Mode | Factory-programmed -2xx configuration rejects interference up to 5 mT while maintaining full 12-bit+ linearity |
| SENT Output with Secure Sensor Format | Encodes position, diagnostics, and user-defined values in SAE J2716 frames with CRC; supports error reporting and fail-safe states |
| On-Chip DSP Programmability | 12–16 point linearization table and filter level (0–2) configurable via EEPROM; no external MCU required for compensation |
| Integrated Safety Mechanisms | Dual diagnostics cycles (DCT_ana = 10.64–12.4 ms), watchdog timers, and ASIL-C compliant fault handling for SENT path |
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 linear position sensor delivering SENT frames at ≥1 kHz update rate with <6.26 ms startup latency. Use Value: Enables precise torque control and failsafe pedal mapping without potentiometer wear or EMI-induced drift. | Use Scenario: Monitoring throttle valve angle in engine management systems under high-temperature hood conditions. IC Role / Device Role / Timing Role: Stray-field immune position transducer operating continuously at 160°C with ASIL-C validated output integrity. Use Value: Guarantees accurate air-fuel ratio control despite proximity to ignition coils and alternators. |
| Ride Height Control | Float-Level Sensing |
Use Scenario: Measuring suspension travel in adaptive damping or active air suspension systems. IC Role / Device Role / Timing Role: Linear position sensor with 5 mT stray-field immunity mounted near hydraulic actuators and motors. Use Value: Maintains stable ride height feedback without recalibration when exposed to dynamic magnetic noise. | Use Scenario: Detecting fuel or fluid level via magnet-coupled float arm in tank assemblies. IC Role / Device Role / Timing Role: Compact SMP-3 packaged IC providing ratiometric analog or SENT output with 0.5% INL over temperature. Use Value: Eliminates mechanical linkage and contact wear while supporting OEM diagnostic protocols via SENT frame extensions. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar absolute linear position sensing applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MLX90423GDC-ACA-230-RE | SOIC-8 package; dual test/N.C. pins; requires external decoupling; higher thermal resistance than SMP-3 | Preferred where legacy SOIC footprint or manual assembly is required; less compact than SMP-3 | Select for prototyping or designs needing standard surface-mount compatibility over minimal size |
| MLX90423GGO-ACA-230-RE | TSSOP-16 dual-die package; full hardware redundancy; isolation resistance >4 MΩ between dice; 2× supply current | Required for ASIL-D systems or safety-critical steering/brake applications demanding fault-tolerant architecture | Select when dual-channel redundancy and inter-die isolation are mandated by system-level safety goals |
Compared with MLX90423GVE-ACA-230-RE, the SOIC-8 variant offers easier rework and broader layout flexibility but larger footprint and higher thermal impedance, while the TSSOP-16 provides hardware-level fault tolerance at the cost of doubled current draw and PCB area - making the SMP-3 optimal for space-constrained, high-volume automotive modules requiring ASIL-C compliance without redundancy overhead.
Availability
MLX90423GVE-ACA-230-RE is available at Aetrix Electronics and suitable for pedal position sensing, throttle control, ride height adjustment, and float-level monitoring requiring stable component supply across automotive production lifecycles.
Supply support for MLX90423GVE-ACA-230-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 30 years of sensor innovation and AEC-Q100 leadership.
The MLX90423 product line delivers Triaxis®-based absolute position sensing for automotive powertrain and chassis systems, designed specifically to replace contact-based potentiometers with robust, non-contact, ASIL-certified alternatives.
FAQ
What output protocol is pre-configured on the MLX90423GVE-ACA-230-RE?
The MLX90423GVE-ACA-230-RE is factory-programmed for SENT output per SAE J2716 APR2016, including Secure Sensor format with CRC, error codes, and user-defined data fields. It supports reprogramming to PWM or ratiometric analog via EEPROM, but SENT is the default and certified ASIL-C mode.
Does the MLX90423GVE-ACA-230-RE require external decoupling capacitors?
No - the MLX90423GVE-ACA-230-RE uses the SMP-3 package with integrated decoupling capacitance, eliminating the need for external VDD/VSS bypass capacitors. This reduces bill-of-materials count and PCB area while maintaining stable internal regulation (VDEC = 3.3 V ±0.1 V).
What is the maximum stray magnetic field the MLX90423GVE-ACA-230-RE can tolerate in linear mode?
The MLX90423GVE-ACA-230-RE is rated for stray field robustness up to 5 mT (4 kA/m) per ISO 11452-8 in its pre-programmed linear mode (-2xx option code), ensuring accurate position measurement even when installed near motors, solenoids, or high-current conductors.
Is the MLX90423GVE-ACA-230-RE qualified for automotive under-hood use?
Yes - the MLX90423GVE-ACA-230-RE is AEC-Q100 Grade 0 qualified (-40°C to +160°C ambient), ISO 26262 SEooC certified, and ASIL-C compliant for SENT output. Its SMP-3 package and internal thermal design support continuous operation in engine bay environments.
How many programmable points does the linear transfer characteristic support on the MLX90423GVE-ACA-230-RE?
MLX90423GVE-ACA-230-RE supports 12 to 16 user-programmable points for its linear transfer characteristic, stored in on-chip NVRAM. This enables precise custom calibration of position-to-output mapping without external compensation circuitry or host MCU intervention.
MLX90423GVE-ACA-230-RE Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Melexis Technologies NV
- Package/Case:
- 3-SIP Module
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Programmable:
- -
- For Measuring:
- Linear Position
- Technology:
- Hall Effect
- Rotation Angle - Electrical, Mechanical:
- -
- Linear Range:
- -
- Output:
- Analog, SENT
- Output Signal:
- Programmable
- Actuator Type:
- External Magnet, Not Included
- Linearity:
- ±1.5°
- Resistance:
- -
- Resistance Tolerance:
- -
- Voltage - Supply:
- 4.5V ~ 5.5V
- Mounting Type:
- Through Hole
- Termination Style:
- SMD (SMT) Tab
- Operating Temperature:
- -40°C ~ 160°C
- Grade:
- -
- Qualification:
- -
- Supplier Device Package:
- SMP-3
MLX90423GVE-ACA-230-RE FAQ
1.How can I place an order for MLX90423GVE-ACA-230-RE through Aetrix?
Please submit a Request for Quotation (RFQ) for MLX90423GVE-ACA-230-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 MLX90423GVE-ACA-230-RE reliable?
The price and inventory of MLX90423GVE-ACA-230-RE are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MLX90423GVE-ACA-230-RE is usually 5 days.
3.What payment methods are accepted for MLX90423GVE-ACA-230-RE?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MLX90423GVE-ACA-230-RE transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MLX90423GVE-ACA-230-RE?
MLX90423GVE-ACA-230-RE orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MLX90423GVE-ACA-230-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 MLX90423GVE-ACA-230-RE?
For technical support, including MLX90423GVE-ACA-230-RE datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MLX90423GVE-ACA-230-RE requirements.
6.How does Aetrix verify that MLX90423GVE-ACA-230-RE is sourced from the original manufacturer or authorized distributors?
All MLX90423GVE-ACA-230-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 MLX90423GVE-ACA-230-RE meets industry standards.
7.What is the process for return or replacement of MLX90423GVE-ACA-230-RE?
All MLX90423GVE-ACA-230-RE units undergo pre-shipment inspection (PSI). If there is an issue with MLX90423GVE-ACA-230-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 MLX90423GVE-ACA-230-RE part is unused and in its original packaging.
Return procedure for MLX90423GVE-ACA-230-RE:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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