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Melexis Technologies NV MLX90426GVE-ACB-630-SP
- Part No.:
- MLX90426GVE-ACB-630-SP
- Manufacturer:
- Melexis Technologies NV
- Category:
- Angle, Linear Position Measuring
- Package:
- 3-SIP Module
- Datasheet:
-
MLX90426GVE-ACB-630-SP.pdf
- Description:
- TRIAXIS POSITION SENSOR - MAINST
- Quantity:
- Payment:
- Shipping:
Inventory:4,119
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Product details
Overview
MLX90426GVE-ACB-630-SP from Melexis is a Triaxis® monolithic magnetic position sensor IC for absolute angular rotary sensing (0°–360°) using differential Z-axis field detection, AEC-Q100 Grade 0 qualified, ISO26262 ASIL B Safety Element out of Context, and SENT output compliant with SAE J2716 APR2016 - deployed in automotive pedal and throttle position sensing.
For engineers reviewing the MLX90426GVE-ACB-630-SP datasheet, pinout, applications, or equivalent options, this page delivers verified package mapping (SMP-3), confirmed SENT timing (3 μs tick, 882–927 μs frame), functional safety architecture, stray-field robustness, and programmable 17-point linearization - all validated for high-temperature operation up to +160°C ambient.
Technical Context
The MLX90426GVE-ACB-630-SP integrates a Triaxis® Hall front end, analog-to-digital signal conditioner, DSP-based angle computation engine, and SENT output driver - enabling on-chip decoding of absolute rotary position from a single on-axis magnet without external processing. Its differential Z-axis sensitivity eliminates reliance on X/Y field components, improving immunity to misalignment and mechanical tolerances.
It operates in continuous synchronous acquisition mode by default (2 angle acquisitions per SENT frame, 294-tick frame), supports programmable filtering (Filter 0/1/2), and delivers diagnostic coverage via analog/digital diagnostics cycles (10.7 ms / 18.7 ms) and fail-safe state duration (5–33 ms). The SMP-3 package embeds decoupling capacitors and uses only three terminals: VDD, OUT, VSS.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Operating Temp | −40°C to +160°C ambient - enables under-hood deployment without derating in engine control modules. |
| Supply Voltage | 4.5 V to 5.5 V - compatible with standard automotive 5 V regulators; start-up threshold at 3.85 V ensures reliable cold-cranking behavior. |
| Supply Current | 8–11.5 mA (single die) - low power consumption suitable for always-on position monitoring in battery-sensitive systems. |
| SENT Output | SAE J2716 APR2016 compliant, 3 μs tick time, A.3 (H.4) format - interoperable with standard automotive ECUs supporting SENT receivers. |
| Angle Accuracy | ±0.5° typical INL over full 360° range - meets tight linearity requirements for throttle and pedal position feedback control loops. |
| Magnetic Range | ±1 T maximum flux density - robust against stray fields from nearby solenoids, motors, or wiring harnesses. |
| Latency | 1.32–2.03 ms (synchronous mode, Filter 2) - deterministic response time critical for closed-loop torque or speed control. |
Pinout & Package
SMP-3 is a PCB-less single-mold package integrating decoupling capacitors; compact 3.0 × 2.5 × 0.9 mm footprint with no exposed pad. Designed for direct soldering onto flex or rigid PCBs with minimal layout overhead.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1: VDD | Power supply input | Accepts 4.5–5.5 V; internal regulator generates 3.3 V analog rail (VDEC = 3.2–3.4 V); reverse voltage protected to −14 V. |
| 2: OUT | SENT serial output | Push-pull digital output; VOH ≥ 4.1 V @ 0.1 mA, VOL ≤ 0.5 V @ 0.52 mA; supports pull-up to VDD or external Vext. |
| 3: VSS | Ground reference | Common return for supply and output; broken-wire detection triggers BVSSPU = 99.5–100% VDD if open. |
Key Features
| Feature | Design Value |
|---|---|
| Triaxis® Hall Sensing | Differential Z-axis field measurement eliminates cross-axis interference and enables true on-axis 360° rotation sensing with single magnet. |
| On-Chip DSP Linearization | Programmable 17-point piecewise-linear transfer function - allows precise calibration to mechanical nonlinearity without host MCU intervention. |
| SENT Diagnostic Messaging | Embedded error codes, CRC validation, and user-defined values in every frame - enables real-time fault detection and traceability in ASIL B systems. |
| Stray Field Robustness | Validated immunity to ±1 T external DC/AC magnetic fields - maintains accuracy near electric motors, solenoids, or high-current traces. |
| High-Temp Extension | Operates up to +180°C ambient for ≤250 h in SMP-3 package - supports placement near exhaust manifolds or turbochargers. |
Applications
| Pedal Position Sensing | Throttle Position Sensing |
|---|---|
Use Scenario: Monitoring accelerator or brake pedal angle in drive-by-wire systems with redundant safety paths. IC Role / Device Role / Timing Role: Primary absolute angular sensor delivering SENT frames at 1.1 kHz refresh rate with <2.1 ms latency for real-time torque demand calculation. Use Value: Eliminates potentiometer wear-out and contact bounce while meeting ASIL B diagnostic coverage requirements via built-in CRC and fail-safe state. | Use Scenario: Closed-loop feedback for electronic throttle control (ETC) in gasoline and hybrid powertrains. IC Role / Device Role / Timing Role: High-accuracy (±0.5°) position transducer interfacing directly to ECU SENT receiver; synchronous acquisition ensures deterministic timing alignment. Use Value: Enables precise air-fuel ratio control and torque management without external ADC or signal conditioning - reducing BOM cost and board space. |
| Ride Height Control | Steering Wheel Angle Sensing |
Use Scenario: Active suspension systems adjusting damping and ride height based on wheel travel and chassis attitude. IC Role / Device Role / Timing Role: Absolute rotary sensor mounted on suspension linkages; outputs SENT frames with programmable diagnostics for suspension ECU integration. Use Value: Survives harsh under-vehicle environments (vibration, moisture, temperature cycling) due to SMP-3's molded construction and −40°C to +160°C rating. | Use Scenario: Column-mounted steering angle measurement for EPS assist, lane-keeping, and stability control functions. IC Role / Device Role / Timing Role: Redundant or primary angle source feeding vehicle dynamics controller; SENT output provides fast, noise-immune transmission over cable harnesses. Use Value: Immunity to stray fields from EPS motor windings ensures stable angle reporting during high-torque steering events. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar magnetic rotary position sensing applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MLX90422GSE-AAA-000-SP | Single-die SOIC-8 package; no integrated capacitors; requires external decoupling; lower max temp (+150°C). | Lacks SMP-3's compactness and high-temp extension; suited for less thermally constrained PCB-mount designs. | Select when board space permits SOIC-8 and ambient stays ≤+150°C; avoid for under-hood locations requiring +160°C operation. |
| AMS AS5055A-BQFT | 12-bit SPI/I²C output; no SENT interface; ±0.3° typical INL; operates to +125°C only. | Requires host MCU for protocol translation and diagnostics; not ASIL B certified; unsuitable for direct ECU integration. | Choose only for non-safety-critical industrial encoders where SENT is unnecessary and temperature is ≤+125°C. |
Compared with MLX90422GSE-AAA-000-SP and AMS AS5055A-BQFT, the MLX90426GVE-ACB-630-SP uniquely combines SMP-3's embedded capacitors, +160°C operation, SENT-native output, and ISO26262 ASIL B compliance - making it the only drop-in solution for automotive throttle/pedal modules demanding functional safety and thermal resilience.
Availability
MLX90426GVE-ACB-630-SP is available at Aetrix Electronics and suitable for automotive pedal position sensing, throttle control systems, and ride height adjustment requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for MLX90426GVE-ACB-630-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 design centers in Europe and Asia and ISO/TS 16949-certified manufacturing.
The MLX90426 belongs to Melexis' Triaxis® position sensor product line, engineered specifically for contactless, high-reliability angular and linear position measurement in automotive powertrain, chassis, and safety systems.
FAQ
What is the operating temperature range of the MLX90426GVE-ACB-630-SP?
The MLX90426GVE-ACB-630-SP operates from −40°C to +160°C ambient temperature. In SMP-3 package, it supports high-temperature extension up to +180°C for ≤250 hours - validated for under-hood placement near exhaust components. This rating is confirmed in Table 8 and Table 9 of the official datasheet revision 004.
Does the MLX90426GVE-ACB-630-SP require external decoupling capacitors?
No. The MLX90426GVE-ACB-630-SP in SMP-3 package integrates decoupling capacitors internally, as stated in Section 3 (Pin Definition for SMP-3) and Section 14 (Recommended Application Diagrams). Only VDD, OUT, and VSS connections are needed - eliminating external capacitor footprint and layout complexity.
What SENT protocol version does the MLX90426GVE-ACB-630-SP implement?
The MLX90426GVE-ACB-630-SP implements SENT per SAE J2716 APR2016, specifically using Single Secure Sensor A.3 (H.4) format with pause pulse, 3 μs tick time, and 294-tick frame length (882–927 μs). This is specified in the Description section (page 2), Table 14, and Table 15 of the datasheet.
Is the MLX90426GVE-ACB-630-SP certified for functional safety applications?
Yes. The MLX90426GVE-ACB-630-SP is certified as an ISO26262 ASIL B Safety Element out of Context (SEooC) and AEC-Q100 Grade 0 qualified. Its safety mechanisms - including CRC, watchdog timers, diagnostic cycles, and fail-safe state - are detailed in Section 13 (Functional Safety) of the datasheet.
Can the MLX90426GVE-ACB-630-SP measure absolute 360° rotation?
Yes. The MLX90426GVE-ACB-630-SP is explicitly designed for absolute angular rotary sensing from 0° to 360° using its Triaxis® Hall front end to detect differential Z-axis magnetic field from a single on-axis magnet. This capability is confirmed in the Description (page 1), Application Examples (page 1), and Figure 2 (Application mode).
MLX90426GVE-ACB-630-SP Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Melexis Technologies NV
- Package/Case:
- 3-SIP Module
- Series:
- -
- Packaging:
- Bulk
- 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:
- ±1.2°
- 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
MLX90426GVE-ACB-630-SP FAQ
1.How can I place an order for MLX90426GVE-ACB-630-SP through Aetrix?
Please submit a Request for Quotation (RFQ) for MLX90426GVE-ACB-630-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 MLX90426GVE-ACB-630-SP reliable?
The price and inventory of MLX90426GVE-ACB-630-SP are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MLX90426GVE-ACB-630-SP is usually 5 days.
3.What payment methods are accepted for MLX90426GVE-ACB-630-SP?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MLX90426GVE-ACB-630-SP transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MLX90426GVE-ACB-630-SP?
MLX90426GVE-ACB-630-SP orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MLX90426GVE-ACB-630-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 MLX90426GVE-ACB-630-SP?
For technical support, including MLX90426GVE-ACB-630-SP datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MLX90426GVE-ACB-630-SP requirements.
6.How does Aetrix verify that MLX90426GVE-ACB-630-SP is sourced from the original manufacturer or authorized distributors?
All MLX90426GVE-ACB-630-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 MLX90426GVE-ACB-630-SP meets industry standards.
7.What is the process for return or replacement of MLX90426GVE-ACB-630-SP?
All MLX90426GVE-ACB-630-SP units undergo pre-shipment inspection (PSI). If there is an issue with MLX90426GVE-ACB-630-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 MLX90426GVE-ACB-630-SP part is unused and in its original packaging.
Return procedure for MLX90426GVE-ACB-630-SP:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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