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Melexis Technologies NV MLX90377GVE-ADB-510-RE
- Part No.:
- MLX90377GVE-ADB-510-RE
- Manufacturer:
- Melexis Technologies NV
- Category:
- Angle, Linear Position Measuring
- Package:
- 3-SIP Module
- Datasheet:
-
MLX90377GVE-ADB-510-RE.pdf
- Description:
- SENSOR MAGNET POSITION 3SMP
- Quantity:
- Payment:
- Shipping:
Inventory:3,623
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Product details
Overview
MLX90377GVE-ADB-510-RE from Melexis is a monolithic Triaxis® Hall-based absolute rotary position sensor IC operating from -40°C to 160°C, delivering 12-bit analog and PWM outputs with high-speed mode timing (≤100 µs latency), stray-field immunity for rotary applications, and ASIL-B functional safety compliance for analog/PWM modes. It enables non-contact throttle and steering wheel position sensing in automotive powertrain and chassis systems.
For engineers reviewing the MLX90377GVE-ADB-510-RE datasheet, pinout, applications, or equivalent options, key selection criteria include its SMP-3 package footprint, rotary stray-field immune magnetic configuration (high-field variant), programmable linear transfer characteristic, SENT/SPC protocol exclusion, and dual-ground architecture supporting robust EMC in high-noise engine compartments.
Technical Context
The MLX90377GVE-ADB-510-RE implements Triaxis® sensing of Bx, By, and Bz magnetic field components via integrated IMC, enabling absolute angular position decoding up to 360° without mechanical stops. Its on-chip DSP performs real-time piecewise-linearization (up to 32 segments) and temperature compensation using an internal sensor.
It operates in Rotary Stray-Field Immune Mode (high-field variant, ADB-5xx code), configured exclusively for analog ratiometric and PWM output - not SENT or SPC - with startup time ≤1.5 ms and latency ≤100 µs in high-speed mode. The device uses a single-die SMP-3 package with dedicated VDD, OUT, and VSS terminals plus test pins.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Operating Temp | -40°C to +160°C: Enables direct mounting on engine blocks, transmission housings, and EPS motor assemblies without external thermal shielding. |
| Output Resolution | 12-bit: Delivers 0.0879° angular resolution over 360° full scale, sufficient for closed-loop torque control in electric power steering. |
| Supply Voltage | 4.5 V to 18 V: Supports both regulated 5 V microcontroller domains and unregulated 12 V vehicle battery rails with reverse polarity protection to -18 V. |
| Latency | ≤100 µs (High Speed Mode): Meets ISO 26262 ASIL-B timing constraints for real-time feedback in active suspension and brake-by-wire subsystems. |
| Magnetic Range | ±1 T: Accommodates high-strength NdFeB magnets in compact rotary configurations while rejecting stray fields from adjacent solenoids or motors. |
| Output Modes | Analog ratiometric & PWM only: Eliminates need for external ADC or SENT decoder; PWM duty cycle maps linearly to angle with 12-bit effective resolution. |
| Stray-Field Immunity | Rotary High-Field Variant (-510 code): Uses optimized magnetic concentrator geometry and differential front-end to reject orthogonal interference up to ±15 mT at 1 kHz. |
Pinout & Package
SMP-3 package: PCB-less single-mold construction with 3 main terminals (VDD, OUT, VSS) and two test pads (INPUT, TEST); designed for direct soldering onto flex circuits or stamped metal carriers in space-constrained rotary modules.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (VDD) | Primary supply input | Accepts 4.5–18 V DC; includes reverse-polarity and overvoltage protection; powers analog/digital regulators and Hall front-end. |
| 2 (OUT) | Programmable output driver | Delivers ratiometric analog voltage (0.5–4.5 V) or PWM signal (100–900 µs period); push-pull capable up to 35 mA sink/source. |
| 3 (VSS) | Ground reference | Dedicated low-impedance return path; must be connected directly to system ground plane to maintain <1 LSB INL under EMI stress. |
| a (INPUT) | Factory test interface | Used during wafer probe and final test; left floating or grounded in end application; no user-accessible functionality. |
| b (TEST) | Factory diagnostic node | Enables internal register access and fault injection during production; not intended for field use or system-level debugging. |
Key Features
| Feature | Design Value |
|---|---|
| Triaxis® 3D Hall Sensing | Simultaneous measurement of Bx, By, Bz enables true 360° absolute angle extraction from a single magnet, eliminating need for multi-die solutions or complex gear trains. |
| Rotary Stray-Field Immunity | Hardware-level rejection of orthogonal magnetic interference up to ±15 mT ensures stable operation near starter motors, alternators, and HV inverters without shielding. |
| Programmable Transfer Curve | Up to 32-point piecewise-linear mapping allows precise calibration to non-uniform mechanical motion profiles (e.g., throttle butterfly linkage backlash). |
| ASIL-B Functional Safety | Integrated diagnostics (broken-wire detection, watchdog, memory ECC) satisfy ISO 26262 requirements for analog/PWM output channels without external safety monitor. |
| SMP-3 Package Integration | Single-mold construction with embedded decoupling reduces bill-of-materials by eliminating external capacitors and simplifies assembly on curved or rotating surfaces. |
Applications
| Throttle Position Sensing | Pedal Position Sensing |
|---|---|
Use Scenario: Monitoring accelerator pedal angle in gasoline and hybrid powertrains to determine engine load and torque demand. IC Role / Device Role / Timing Role: Absolute rotary position sensor providing real-time 0–100% throttle opening feedback with ≤100 µs latency to ECU for closed-loop air-fuel ratio control. Use Value: Enables fast transient response during tip-in/tip-out events while maintaining ASIL-B compliance and rejecting magnetic noise from nearby fuel injectors. | Use Scenario: Detecting brake or accelerator pedal stroke in brake-by-wire and electronic throttle control systems. IC Role / Device Role / Timing Role: Linear-to-rotary converted position transducer delivering ratiometric analog output synchronized to pedal actuation dynamics. Use Value: Provides fail-operational redundancy when paired with second MLX90377GVE-ADB-510-RE on same shaft, leveraging SMP-3's mechanical stability under vibration. |
| Steering Wheel Position Sensing | Ride Height Control |
Use Scenario: Measuring absolute steering angle for electric power steering (EPS) assist torque calculation and lane-keeping assist (LKA) systems. IC Role / Device Role / Timing Role: High-bandwidth rotary sensor mounted on steering column shaft, interfacing directly with EPS MCU via analog/PWM without protocol translation. Use Value: Achieves <±0.5° total error over life due to on-chip temperature compensation and stray-field immunity, critical for torque vectoring accuracy. | Use Scenario: Monitoring suspension travel in adaptive damping and active ride height control systems for SUVs and commercial vehicles. IC Role / Device Role / Timing Role: Compact rotary position detector mounted on air spring cam or torsion bar, converting vertical displacement into calibrated angular output. Use Value: SMP-3 package withstands 50 g shock and 2000-hour salt spray exposure, enabling direct integration into harsh underbody environments. |
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 |
|---|---|---|---|
| MLX90377GDC-ADB-510-RE | SOIC-8 package with 8-pin footprint; includes VDEC decoupling pin and two NC pins; higher thermal resistance (RθJA = 120°C/W vs. SMP-3's 85°C/W). | Requires PCB layout revision; suited for prototyping and board-mounted sensors where reworkability is prioritized over size. | Select when needing standard surface-mount assembly, legacy board compatibility, or higher decoupling flexibility via external capacitor on VDEC. |
| MLX90377GO-ADB-510-RE | TSSOP-16 dual-die package with isolation >4 MΩ between dies; supports full redundancy with independent VDD/VSS per die; 16-pin footprint doubles board area. | Targeted at ASIL-C systems requiring hardware redundancy; adds complexity in routing and thermal management but enables fault-tolerant architectures. | Select only when dual-die redundancy and inter-die isolation are mandated by system safety goals beyond ASIL-B. |
Compared with MLX90377GDC-ADB-510-RE and MLX90377GO-ADB-510-RE, the MLX90377GVE-ADB-510-RE delivers the smallest form factor and lowest thermal impedance for space- and weight-critical rotary modules, while retaining identical magnetic performance, latency, and safety capability - making it optimal for direct integration onto rotating shafts or flex circuits.
Availability
MLX90377GVE-ADB-510-RE is available at Aetrix Electronics and suitable for automotive powertrain control, electric power steering feedback, and adaptive suspension position monitoring requiring stable component supply across extended temperature ranges and long product lifecycles.
Supply support for MLX90377GVE-ADB-510-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 sensor solutions for automotive, industrial, and medical markets, with core expertise in magnetic sensing, infrared thermometry, and automotive ASICs.
The MLX90377 product line delivers Triaxis®-based absolute position sensing for demanding automotive applications, engineered specifically for robustness against stray fields, high-temperature operation, and functional safety compliance in powertrain and chassis subsystems.
FAQ
What output protocols does the MLX90377GVE-ADB-510-RE support?
The MLX90377GVE-ADB-510-RE supports analog ratiometric voltage and PWM output only. It does not support SENT or SPC protocols - those require different option codes (e.g., ADB-530 or ADB-580). This configuration is factory-programmed and cannot be changed in the field. The analog output ranges from 0.5 V to 4.5 V ratiometric to VDD, and PWM period is fixed at 1.2 ms with duty cycle proportional to measured angle.
Is the MLX90377GVE-ADB-510-RE pin-compatible with earlier Triaxis® sensors in SMP-3 packages?
Yes, the MLX90377GVE-ADB-510-RE maintains pin-to-pin compatibility with prior-generation Melexis Triaxis® sensors in the SMP-3 package, including identical VDD/OUT/VSS terminal locations and mechanical dimensions. This allows drop-in replacement in existing designs without PCB or mechanical redesign, preserving qualification status for automotive production programs.
How does the Rotary Stray-Field Immune Mode (High Field) in MLX90377GVE-ADB-510-RE improve system reliability?
The Rotary Stray-Field Immune Mode (High Field) in MLX90377GVE-ADB-510-RE uses a tailored magnetic concentrator geometry and differential signal processing to suppress interference from orthogonal magnetic fields up to ±15 mT at frequencies up to 1 kHz. This ensures stable angle reporting near high-current actuators like EPS motors or HVAC blowers, reducing calibration drift and eliminating need for magnetic shielding in cost-sensitive modules.
What functional safety level does the MLX90377GVE-ADB-510-RE achieve, and which outputs are covered?
The MLX90377GVE-ADB-510-RE is certified ASIL-B capable for analog and PWM output modes under ISO 26262 as a Safety Element out of Context (SEooC). It includes built-in diagnostics such as broken-wire detection (VDD/VSS), memory ECC, and watchdog timers. SENT and SPC modes support ASIL-C, but those are not enabled in this ADB-510 configuration.
Can the MLX90377GVE-ADB-510-RE be reprogrammed after soldering to change its output mode or transfer function?
No, the MLX90377GVE-ADB-510-RE is factory-programmed with fixed functionality: Rotary Stray-Field Immune Mode (High Field), analog/PWM output, and high-speed timing. While certain parameters like transfer curve points can be updated via PTC (Programming through Connector) before final sealing, output protocol selection is hard-coded and irreversible. Reprogramming requires dedicated Melexis programming hardware and is not supported in end-user systems.
MLX90377GVE-ADB-510-RE Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Melexis Technologies NV
- Package/Case:
- 3-SIP Module
- Series:
- Triaxis®
- 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 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:
- -
- Qualification:
- -
- Supplier Device Package:
- SMP-3
MLX90377GVE-ADB-510-RE FAQ
1.How can I place an order for MLX90377GVE-ADB-510-RE through Aetrix?
Please submit a Request for Quotation (RFQ) for MLX90377GVE-ADB-510-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 MLX90377GVE-ADB-510-RE reliable?
The price and inventory of MLX90377GVE-ADB-510-RE are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MLX90377GVE-ADB-510-RE is usually 5 days.
3.What payment methods are accepted for MLX90377GVE-ADB-510-RE?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MLX90377GVE-ADB-510-RE transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MLX90377GVE-ADB-510-RE?
MLX90377GVE-ADB-510-RE orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MLX90377GVE-ADB-510-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 MLX90377GVE-ADB-510-RE?
For technical support, including MLX90377GVE-ADB-510-RE datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MLX90377GVE-ADB-510-RE requirements.
6.How does Aetrix verify that MLX90377GVE-ADB-510-RE is sourced from the original manufacturer or authorized distributors?
All MLX90377GVE-ADB-510-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 MLX90377GVE-ADB-510-RE meets industry standards.
7.What is the process for return or replacement of MLX90377GVE-ADB-510-RE?
All MLX90377GVE-ADB-510-RE units undergo pre-shipment inspection (PSI). If there is an issue with MLX90377GVE-ADB-510-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 MLX90377GVE-ADB-510-RE part is unused and in its original packaging.
Return procedure for MLX90377GVE-ADB-510-RE:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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