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Melexis Technologies NV MLX90421GVS-ADC-000-RX
- Part No.:
- MLX90421GVS-ADC-000-RX
- Manufacturer:
- Melexis Technologies NV
- Category:
- Angle, Linear Position Measuring
- Package:
- 4-SIP Module
- Datasheet:
-
MLX90421GVS-ADC-000-RX.pdf
- Description:
- SENSOR MAG POS RATIO/PWM 4DMP
- Quantity:
- Payment:
- Shipping:
Inventory:3,751
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Product details
Overview
MLX90421GVS-ADC-000-RX from Melexis is a Triaxis® monolithic magnetic position sensor IC for absolute rotary position sensing. It integrates a 3-axis Hall front end, DSP-based signal processing, and programmable ratiometric analog or PWM output. Operating from −40 °C to +160 °C with AEC-Q100 Grade 0 qualification and ISO 26262 ASIL B safety element out of context, it delivers ±0.5° angular accuracy in automotive throttle and pedal position systems.
For engineers reviewing the MLX90421GVS-ADC-000-RX datasheet, pinout, applications, or equivalent options, this page provides verified package mapping (DMP-4), confirmed pin functions (VSS/VDD/OUT), real-world timing specs (448 μs angle measurement period), and functional alternatives validated for angular rotary sensing in high-temp automotive environments.
Technical Context
The MLX90421GVS-ADC-000-RX implements Triaxis® Hall technology to measure Bx, By, and Bz magnetic field components simultaneously, enabling robust absolute angle calculation from 0° to 360° without mechanical contact. Its on-chip DSP supports multi-point linearization (up to 17 points) and programmable transfer characteristics tailored to magnet geometry and motion profile.
This variant uses the DMP-4 package - a PCB-less dual-mold solution with 4 terminals (VSS, VDD, OUT, VSS) - and operates in continuous acquisition mode with 448 μs internal angle measurement period and 228–240 μs latency under Filter 0 configuration. It supports both ratiometric analog and PWM outputs, with diagnostics including broken-wire detection and fail-safe state activation within 5–33 ms.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Operating Temp | −40 °C to +160 °C (AEC-Q100 Grade 0); extended to +180 °C for ≤250 h in DMP-4 package |
| Output Type | Ratiometric analog or PWM; programmable post-assembly for system-level calibration |
| Angle Accuracy | ±0.5° typical over full range; enabled by 17-point programmable linearization |
| Measurement Period | 448 μs default; defines minimum update rate and worst-case step response bound |
| Supply Current | 7.5–10.0 mA at 4.5–5.5 V; single-die power draw critical for thermal design in sealed modules |
| Safety Certification | ISO 26262 ASIL B Safety Element out of Context; supports functional safety decomposition |
| Magnetic Range | ±1 T max flux density; enables use with low-cost ferrite magnets in compact air gaps |
Pinout & Package
DMP-4 is a PCB-less dual-mold package with 4 solderable terminals, optimized for direct mounting onto flex circuits or metal leads. It offers pin-to-pin compatibility with prior Triaxis® generations and includes built-in decoupling capacitance.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | VSS | Ground reference for analog and digital domains; dual connection improves noise immunity |
| 2 | VDD | Primary supply input (4.5–5.5 V); internal regulator generates 3.3 V analog rail |
| 3 | OUT | Configurable output: ratiometric analog voltage (0.5–99% VDD) or PWM (100–2000 Hz) |
| 4 | VSS | Second ground terminal; reduces loop inductance and enhances EMC performance |
Key Features
| Feature | Design Value |
|---|---|
| Triaxis® 3-Axis Sensing | Simultaneous Bx/By/Bz measurement enables true 360° absolute angle calculation without external multiplexing |
| Programmable Linearization | 17-point user-defined transfer curve compensates for magnet nonlinearity and mechanical misalignment |
| Dual Mold Package (DMP-4) | PCB-less construction reduces assembly cost and footprint; integrated capacitors eliminate external bypass parts |
| ASIL B Safety Element | Pre-certified safety element simplifies ISO 26262 integration; includes diagnostics like broken-wire detection |
| High-Temp Operation | Validated operation up to +180 °C ambient for short durations - critical for engine bay and transmission applications |
Applications
| Throttle Position Sensing | Pedal Position Sensing |
|---|---|
|
Use Scenario: Real-time monitoring of accelerator pedal rotation in gasoline/diesel powertrains. IC Role / Device Role / Timing Role: Absolute angular position sensor providing 0–100% throttle opening feedback with <448 μs update latency. Use Value: Enables closed-loop engine control with ±0.5° accuracy and ASIL B compliance for torque management. |
Use Scenario: Detection of brake or clutch pedal angular displacement in hydraulic actuation systems. IC Role / Device Role / Timing Role: Contactless rotary sensor delivering ratiometric analog output synchronized to ECU sampling clocks. Use Value: Eliminates potentiometer wear-out; maintains linearity across −40 °C to +160 °C under vibration. |
| Steering Wheel Position | Ride Height Control |
|
Use Scenario: Measuring steering column rotation for EPS assist and ADAS yaw estimation. IC Role / Device Role / Timing Role: High-reliability angular encoder with redundant diagnostics and fail-safe output modes. Use Value: Supports torque overlay and lane-keeping functions via deterministic 228–240 μs latency path. |
Use Scenario: Monitoring suspension travel in adaptive damping or active ride height systems. IC Role / Device Role / Timing Role: Compact DMP-4 packaged sensor mounted directly on shock absorber linkage. Use Value: PCB-less form factor withstands high-vibration environments while maintaining ±0.5° repeatability. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar absolute rotary position sensing applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MLX90422GVS-ADC-000-RX | Dual-die SMP-4 package with redundancy; higher fault coverage but larger footprint and 2× supply current | Required for ASIL C/D systems needing hardware redundancy; not drop-in due to 4-pin vs. 4-pin but different pinout (OUT1/OUT2) | Select when dual-output fault-tolerant architecture is mandated; verify layout compatibility with SMP-4 lead spacing. |
| AMS30450-B05 | Single-die TMR-based sensor; ±0.3° accuracy, 3.3 V only, no ASIL certification, lower temp range (−40 °C to +125 °C) | Suitable for non-safety-critical industrial encoders; lacks programmable linearization and high-temp extension | Choose for cost-sensitive non-automotive designs where 125 °C max ambient suffices and safety certification is unnecessary. |
Compared with MLX90421GVS-ADC-000-RX, MLX90422GVS-ADC-000-RX adds hardware redundancy at the cost of increased power and board area, while AMS30450-B05 trades ASIL B compliance and 160 °C operation for tighter base accuracy and lower voltage operation - making each suitable for distinct safety and environmental tiers.
Availability
MLX90421GVS-ADC-000-RX 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 MLX90421GVS-ADC-000-RX 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 design centers in Europe and Asia and global manufacturing partnerships.
The MLX90421 product line delivers Triaxis®-based absolute position sensing for automotive powertrain and chassis systems, engineered specifically for high-temperature, high-reliability, and functional safety–compliant applications.
FAQ
What is the operating temperature range of the MLX90421GVS-ADC-000-RX?
The MLX90421GVS-ADC-000-RX is qualified per AEC-Q100 Grade 0 for −40 °C to +160 °C continuous operation. In the DMP-4 package, it supports extended exposure up to +180 °C for ≤250 hours - validated for under-hood applications such as transmission position sensing where peak ambient temperatures exceed 160 °C.
Does the MLX90421GVS-ADC-000-RX support both analog and PWM outputs?
Yes, the MLX90421GVS-ADC-000-RX supports either ratiometric analog voltage (0.5–99% VDD) or PWM (100–2000 Hz) output, selected during programming. The output mode is configurable post-assembly, allowing system-level calibration and adaptation to ECU interface requirements without hardware changes to the MLX90421GVS-ADC-000-RX itself.
What package type does MLX90421GVS-ADC-000-RX use, and how many pins does it have?
The MLX90421GVS-ADC-000-RX uses the DMP-4 (Dual Mold Package) - a PCB-less, 4-terminal surface-mount package with pins labeled VSS, VDD, OUT, and VSS. Its compact, mold-encapsulated construction eliminates external decoupling capacitors and supports direct flex circuit or leadframe mounting.
Is the MLX90421GVS-ADC-000-RX certified for functional safety applications?
Yes, the MLX90421GVS-ADC-000-RX is certified as an ISO 26262 ASIL B Safety Element out of Context (SEooC). It includes built-in diagnostics such as broken-wire detection, internal voltage monitoring, and fail-safe state activation - enabling its integration into ASIL B–compliant vehicle subsystems without requiring additional safety mechanisms at the MLX90421GVS-ADC-000-RX level.
How is angular accuracy achieved in the MLX90421GVS-ADC-000-RX?
Angular accuracy of ±0.5° in the MLX90421GVS-ADC-000-RX is achieved through Triaxis® 3-axis Hall sensing combined with on-chip DSP-based signal conditioning and up to 17-point programmable linearization. This allows compensation for magnet field distortion, mechanical misalignment, and temperature drift - all configured after final assembly to match the exact magnetic system.
MLX90421GVS-ADC-000-RX Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Melexis Technologies NV
- Package/Case:
- 4-SIP Module
- 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:
- Through Hole
- Termination Style:
- PC Pin
- Operating Temperature:
- -40°C ~ 160°C
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Supplier Device Package:
- 4-DMP
MLX90421GVS-ADC-000-RX FAQ
1.How can I place an order for MLX90421GVS-ADC-000-RX through Aetrix?
Please submit a Request for Quotation (RFQ) for MLX90421GVS-ADC-000-RX 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 MLX90421GVS-ADC-000-RX reliable?
The price and inventory of MLX90421GVS-ADC-000-RX are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MLX90421GVS-ADC-000-RX is usually 5 days.
3.What payment methods are accepted for MLX90421GVS-ADC-000-RX?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MLX90421GVS-ADC-000-RX transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MLX90421GVS-ADC-000-RX?
MLX90421GVS-ADC-000-RX orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MLX90421GVS-ADC-000-RX 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 MLX90421GVS-ADC-000-RX?
For technical support, including MLX90421GVS-ADC-000-RX datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MLX90421GVS-ADC-000-RX requirements.
6.How does Aetrix verify that MLX90421GVS-ADC-000-RX is sourced from the original manufacturer or authorized distributors?
All MLX90421GVS-ADC-000-RX 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 MLX90421GVS-ADC-000-RX meets industry standards.
7.What is the process for return or replacement of MLX90421GVS-ADC-000-RX?
All MLX90421GVS-ADC-000-RX units undergo pre-shipment inspection (PSI). If there is an issue with MLX90421GVS-ADC-000-RX, 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 MLX90421GVS-ADC-000-RX part is unused and in its original packaging.
Return procedure for MLX90421GVS-ADC-000-RX:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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