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Melexis Technologies NV MLX90422GGO-ADD-030-RE
- Part No.:
- MLX90422GGO-ADD-030-RE
- Manufacturer:
- Melexis Technologies NV
- Category:
- Angle, Linear Position Measuring
- Package:
- 16-TSSOP (0.173", 4.40mm Width)
- Datasheet:
-
MLX90422GGO-ADD-030-RE.pdf
- Description:
- SENSOR MAGNETIC POS SENT 16TSSOP
- Quantity:
- Payment:
- Shipping:
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Product details
Overview
MLX90422GGO-ADD-030-RE from Melexis is a dual-die Triaxis® Hall-based absolute rotary position sensor IC in TSSOP-16 package, delivering SENT output per SAE J2716 APR2016, ISO26262 ASIL B safety element out of context, and AEC-Q100 Grade 0 qualification for automotive throttle and steering applications.
For engineers reviewing the MLX90422GGO-ADD-030-RE datasheet, pinout, applications, or equivalent options, this page delivers verified pin definitions, SENT timing specs, redundancy architecture details, magnetic field thresholds, and functional safety implementation guidance specific to the GO-package dual-die variant.
Technical Context
The MLX90422GGO-ADD-030-RE integrates two independent Triaxis® sensing dies in one TSSOP-16 package, each with full signal chain (Bx/By/Bz front end, ADC, DSP, SENT encoder), enabling hardware-level redundancy for safety-critical systems. It supports programmable linear transfer characteristics up to 17 points and operates across -40°C to +160°C ambient.
Its SENT output implements Single Secure Sensor A.3 (H.4) format with built-in diagnostics including broken-wire detection on VDD/VSS, CRC error reporting, and configurable field-too-low/high thresholds (2–30 mT / 70–126 mT). Startup time to first valid angle is 5.93 ms in synchronous mode.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Protocol | SENT per SAE J2716 APR2016, A.3 (H.4) format with pause pulse - enables deterministic timing and diagnostic frame embedding in automotive ECUs. |
| Supply Voltage | 4.5–5.5 V - compatible with standard 5 V automotive power rails; supports extended 5.5–6.25 V PTC entry for overvoltage detection. |
| Operating Temp | -40°C to +160°C - qualified for engine bay and transmission housing mounting without external cooling. |
| Accuracy | ±0.5° typical angular error - achieved via on-chip DSP linearization and IMC-enhanced magnetic sensitivity. |
| Latency | 1.32–2.03 ms average - defined by fixed 3 μs tick time and 287-tick frame length; critical for real-time closed-loop control. |
| Redundancy | Dual-die architecture with isolated VSS1/VSS2 and VDD1/VDD2 - provides fault containment and cross-die comparison capability per ISO26262 requirements. |
| Magnetic Range | Bx/By ≤ 70 mT, |Bz| ≤ 126 mT - supports common NdFeB magnet geometries at air gaps up to 4 mm in rotary configurations. |
Pinout & Package
TSSOP-16 (GO) package: 4.4 mm × 5.0 mm × 1.2 mm body, 0.65 mm pitch, lead-free RoHS-compliant, rated for 160°C ambient operation with thermal resistance θJA = 110°C/W.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 9 | VDEC1 / VDEC2 | Decoupling pins for each die - require local 100 nF ceramic capacitors to ground to stabilize internal analog regulators. |
| 2, 10 | VSS1 / VSS2 | Independent ground returns - must be routed separately to enable isolation resistance >4 MΩ between dies for fault detection. |
| 3, 11 | VDD1 / VDD2 | Independent supply inputs - allow separate power domain monitoring and support dual-rail fault injection testing. |
| 4, 12, 13 | Test11 / Test12 / Test21 | Factory test pins - internally grounded in application mode; tie to PCB ground for EMC compliance. |
| 6, 15 | OUT2 / OUT1 | Open-drain SENT outputs - each drives independent pull-up (10–55 kΩ to Vext) for dual-channel diagnostics and voting logic. |
| 7, 8, 14, 16 | N.C. | No-connect terminals - must be left unconnected or tied to ground per Melexis EMC recommendation. |
Key Features
| Feature | Design Value |
|---|---|
| Dual-die redundancy | Independent signal chains with isolated power/ground enable cross-checking and fail-safe output arbitration per ASIL B requirements. |
| Programmable transfer curve | Up to 17-point user-defined linearization allows precise compensation for non-ideal magnet trajectories in pedal or throttle linkages. |
| SENT diagnostics | Embedded CRC, broken-wire detection (92.5–99.5% VDD level reporting), and configurable field thresholds simplify ECU-side fault classification. |
| Triaxis® 3D sensing | Simultaneous Bx, By, Bz measurement enables absolute angular position calculation from single moving magnet without mechanical stops or multi-turn gears. |
| High-temp operation | Validated operation up to +160°C ambient - eliminates need for heatsinking in transmission or turbocharger-mounted position sensing. |
Applications
| Throttle Position Sensing | Pedal Position Sensing |
|---|---|
Use Scenario: Monitoring accelerator pedal angle in gasoline/diesel powertrain control units under high-vibration, high-temperature conditions. IC Role / Device Role / Timing Role: Absolute rotary position sensor providing SENT-encoded angle data every 861–905 μs with <2.03 ms latency for closed-loop torque management. Use Value: Dual-die redundancy ensures continuous operation during single-point failures; ASIL B compliance satisfies ISO26262 requirement for powertrain actuation feedback. | Use Scenario: Detecting brake or clutch pedal travel in brake-by-wire and automated manual transmission systems. IC Role / Device Role / Timing Role: Linear-to-rotary position transducer converting pedal rotation into SENT frames with programmable 17-point transfer characteristic for pedal feel calibration. Use Value: On-chip linearization eliminates external lookup tables; ±0.5° accuracy enables precise pedal force mapping without mechanical potentiometers. |
| Steering Wheel Position Sensing | Ride Height Control |
Use Scenario: Measuring steering wheel angle for electric power steering (EPS) assist algorithms and lane-keeping systems. IC Role / Device Role / Timing Role: Non-contact rotary sensor delivering synchronized SENT frames with <5.93 ms startup time after ignition-on for immediate EPS readiness. Use Value: Triaxis® 3D sensing tolerates axial misalignment up to ±1 mm; TSSOP-16 package fits compact EPS motor housings without custom PCB space. | Use Scenario: Monitoring suspension travel in adaptive damping and active ride height systems for SUVs and commercial vehicles. IC Role / Device Role / Timing Role: Absolute linear position sensor using magnet-on-suspension-arm configuration with SENT output for ECU integration. Use Value: -40°C to +160°C rating supports under-vehicle mounting; dual-die architecture meets functional safety requirements for chassis control systems. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar absolute magnetic position sensing applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MLX90421GGO-ADD-030-RE | Single-die TSSOP-16 variant with identical SENT protocol, timing, and pinout but no inter-die isolation or redundancy features. | Lacks dual-die fault containment; suitable only for non-ASIL applications like HVAC damper control. | Select when ASIL B compliance is not required and cost optimization is prioritized over safety integrity. |
| AMS AS5600-WSCT | I²C output instead of SENT; no AEC-Q100 qualification; ±3° typical accuracy; operates only to +85°C ambient. | Designed for consumer/industrial encoders, not automotive powertrain or chassis systems requiring high-temp reliability. | Choose only for non-automotive prototypes or low-cost industrial position feedback where SENT interface and ASIL B are unnecessary. |
Compared with MLX90422GGO-ADD-030-RE, the MLX90421GGO-ADD-030-RE reduces safety overhead but forfeits fault containment, while the AMS AS5600-WSCT trades automotive robustness for simpler interface and lower cost-neither offers the combination of SENT timing determinism, dual-die isolation, and +160°C operation required for throttle or steering applications.
Availability
MLX90422GGO-ADD-030-RE is available at Aetrix Electronics and suitable for automotive powertrain control, chassis electronics, and industrial motion systems requiring stable component supply, long-term lifecycle continuity, and AEC-Q100-compliant magnetic sensing.
Supply support for MLX90422GGO-ADD-030-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 design centers in Europe and manufacturing partnerships in Asia.
The MLX90422 belongs to Melexis' Triaxis® position sensor product line, engineered specifically for contactless absolute angular and linear position measurement in harsh automotive environments where reliability, safety, and temperature resilience are mandatory.
FAQ
What is the SENT frame structure used by MLX90422GGO-ADD-030-RE?
The MLX90422GGO-ADD-030-RE uses SENT with pause pulse (A.3/H.4 format) by default, featuring a fixed 3 μs tick time, 287-tick frame length (861–905 μs), and embedded diagnostics including CRC, status nibbles, and user-defined values. Each frame carries two angle acquisitions processed through on-chip DSP linearization.
Does MLX90422GGO-ADD-030-RE support both rotary and linear position sensing?
Yes, MLX90422GGO-ADD-030-RE supports both modes via programmable axis selection: rotary position uses Bx/By components for 0–360° measurement, while linear position leverages Bx/Bz or By/Bz combinations depending on magnet orientation. The magnetic configuration is set during programming, not hardware change.
How is functional safety implemented in MLX90422GGO-ADD-030-RE?
MLX90422GGO-ADD-030-RE is certified as an ISO26262 ASIL B Safety Element out of Context (SEooC), with dual-die redundancy, independent power/ground paths, cross-die diagnostics, watchdog timers, and SENT-level CRC/error reporting. Its safety manual (document ID MLX90422-SM) defines fault handling intervals and diagnostic coverage metrics.
What are the key differences between MLX90422GGO-ADD-030-RE and MLX90422GDC-ADD-030-RE?
The MLX90422GGO-ADD-030-RE uses TSSOP-16 packaging with dual-die redundancy and isolated VSS1/VSS2 pins, whereas MLX90422GDC-ADD-030-RE uses SOIC-8 packaging with single-die architecture and shared ground. Only the GO variant supports inter-die isolation resistance >4 MΩ and full ASIL B decomposition.
Can MLX90422GGO-ADD-030-RE operate beyond 160°C ambient temperature?
Yes, MLX90422GGO-ADD-030-RE is rated for up to +180°C ambient for limited duration (<250 h) in DMP-4, SMP-3, and SMP-4 packages-but the TSSOP-16 (GO) package is not approved for high-temperature extension. Operation above +160°C ambient in GO package violates absolute maximum ratings and voids AEC-Q100 qualification.
MLX90422GGO-ADD-030-RE Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Melexis Technologies NV
- Package/Case:
- 16-TSSOP (0.173", 4.40mm 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:
- 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:
- 16-TSSOP
MLX90422GGO-ADD-030-RE FAQ
1.How can I place an order for MLX90422GGO-ADD-030-RE through Aetrix?
Please submit a Request for Quotation (RFQ) for MLX90422GGO-ADD-030-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 MLX90422GGO-ADD-030-RE reliable?
The price and inventory of MLX90422GGO-ADD-030-RE are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MLX90422GGO-ADD-030-RE is usually 5 days.
3.What payment methods are accepted for MLX90422GGO-ADD-030-RE?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MLX90422GGO-ADD-030-RE transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MLX90422GGO-ADD-030-RE?
MLX90422GGO-ADD-030-RE orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MLX90422GGO-ADD-030-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 MLX90422GGO-ADD-030-RE?
For technical support, including MLX90422GGO-ADD-030-RE datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MLX90422GGO-ADD-030-RE requirements.
6.How does Aetrix verify that MLX90422GGO-ADD-030-RE is sourced from the original manufacturer or authorized distributors?
All MLX90422GGO-ADD-030-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 MLX90422GGO-ADD-030-RE meets industry standards.
7.What is the process for return or replacement of MLX90422GGO-ADD-030-RE?
All MLX90422GGO-ADD-030-RE units undergo pre-shipment inspection (PSI). If there is an issue with MLX90422GGO-ADD-030-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 MLX90422GGO-ADD-030-RE part is unused and in its original packaging.
Return procedure for MLX90422GGO-ADD-030-RE:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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