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Melexis Technologies NV MLX90377GVE-ADB-300-RX
- Part No.:
- MLX90377GVE-ADB-300-RX
- Manufacturer:
- Melexis Technologies NV
- Category:
- Angle, Linear Position Measuring
- Package:
- 3-SIP Module
- Datasheet:
-
MLX90377GVE-ADB-300-RX.pdf
- Description:
- SENSOR MAGNET POSITION 3SMP
- Quantity:
- Payment:
- Shipping:
Inventory:3,085
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Product details
Overview
MLX90377GVE-ADB-300-RX from Melexis is a monolithic Triaxis® Hall-based absolute position sensor IC for non-contact rotary or linear sensing. It delivers 12-bit ratiometric analog and PWM outputs, operates from -40°C to 160°C, supports low-power mode, and is housed in the SMP-3 PCB-less single-mold package. It serves as the primary magnetic position transducer in automotive throttle and pedal systems.
For engineers reviewing the MLX90377GVE-ADB-300-RX datasheet, pinout, applications, or equivalent options, key selection criteria include its SMP-3 footprint, -40°C to 160°C operation, analog/PWM dual-output capability in low-power mode, stray-field immunity configuration, and ASIL-B functional safety compliance for analog output.
Technical Context
The MLX90377GVE-ADB-300-RX integrates a Triaxis® Hall front end sensitive to Bx, By, and Bz magnetic field components, enabling absolute angular (0–360°) or linear position decoding with appropriate magnet geometry. Its on-chip DSP performs real-time signal conditioning, including programmable piecewise-linearization (4/8/16/32 points) and configurable filtering.
This variant uses the SMP-3 package (3-pin, VDD/OUT/VSS), operates in Standard/Legacy Mode with Analog/PWM output and Low Power Mode enabled, and is specified for the VE temperature grade (-40°C to 160°C). It does not support SENT or SPC protocols - those require ADB-330 or ADB-380 option codes.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Modes | Analog ratiometric (0.5–4.5 V) and PWM (10–90% duty cycle); no SENT/SPC - fixed by ADB-300 option code. |
| Resolution | 12-bit effective resolution for both analog and PWM outputs, enabling ≤0.1° angular or ≤0.025% full-scale linear accuracy. |
| Operating Temp | -40°C to +160°C junction temperature - qualified for under-hood automotive environments without external cooling. |
| Supply Range | 4.5 V to 5.5 V (regulated) or 6 V to 18 V (battery); startup threshold at 3.95–4.25 V ensures reliable cold-cranking operation. |
| Supply Current | 8–11.5 mA in Legacy Mode (ADB-300), optimized for continuous low-power operation in always-on vehicle subsystems. |
| Magnetic Sensing | Triaxis® 3D Hall architecture detects Bx, By, Bz simultaneously - enables robust position measurement despite mechanical misalignment or stray fields. |
| Safety Rating | ISO 26262 ASIL-B capable for analog output mode; Safety Element out of Context (SEooC) certified per functional safety manual. |
Pinout & Package
SMP-3 is a PCB-less single-mold package with three solderable terminals: VDD (supply), OUT (dual-mode analog/PWM output), and VSS (ground). No external decoupling capacitors required - internal regulators and filtering are integrated.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (VDD) | Supply input | Accepts 4.5–18 V; includes reverse-polarity and overvoltage protection up to -14 V / +28 V for automotive battery transients. |
| 2 (OUT) | Programmable output | Configured at factory for simultaneous ratiometric analog (0.5–4.5 V) and PWM (10–90%) signals; open-drain or push-pull selectable via NVRAM. |
| 3 (VSS) | Ground reference | Common return for supply and output; supports broken-wire detection (BWD) diagnostics when pulled down or up externally. |
Key Features
| Feature | Design Value |
|---|---|
| Triaxis® 3D Hall Sensing | Measures all three orthogonal magnetic field components (Bx, By, Bz) on a single die - eliminates need for multi-sensor assemblies or complex magnet orientations. |
| Programmable Transfer Curve | Supports 4-, 8-, 16-, or 32-point piecewise-linear (PWL) calibration - enables precise compensation for magnet nonlinearity and mechanical hysteresis in final assembly. |
| Stray-Field Immunity | Configured in Standard/Legacy Mode (ADB-300), offering baseline robustness against external magnetic interference without requiring high-field magnets or shielding. |
| Integrated Diagnostics | Includes passive broken-wire detection (BWD) on VDD/VSS and active diagnostic signaling - reduces need for external monitoring circuitry in ASIL-B systems. |
| Low-Power Operation | 8–11.5 mA typical supply current in ADB-300 configuration - extends battery life in always-on applications like electronic parking brakes or seat position memory. |
Applications
| Throttle Position Sensing | Pedal Position Sensing |
|---|---|
|
Use Scenario: Real-time measurement of accelerator pedal angle in gasoline/diesel powertrains for engine control unit (ECU) torque demand calculation. IC Role / Device Role / Timing Role: Primary absolute position transducer delivering synchronized analog and PWM signals with ≤100 µs latency for closed-loop throttle actuation. Use Value: Dual-output redundancy improves signal integrity; SMP-3's compact size enables direct integration into pedal module housings with minimal PCB area. |
Use Scenario: Detection of brake or accelerator pedal displacement in vehicles with drive-by-wire systems and regenerative braking coordination. IC Role / Device Role / Timing Role: Safety-critical position sensor providing ASIL-B compliant analog output and diagnostic-ready PWM for ECU validation checks. Use Value: Built-in broken-wire detection and thermal drift compensation ensure reliability across -40°C to 160°C ambient - critical for pedal modules near cabin heat sources. |
| Ride Height Control | Steering Angle Sensing |
|
Use Scenario: Monitoring suspension travel in adaptive air suspension systems to maintain vehicle level and optimize damping response. IC Role / Device Role / Timing Role: Linear position sensor interfacing with magnet attached to control arm; outputs calibrated analog voltage proportional to stroke length. Use Value: Triaxis® architecture tolerates lateral magnet shift up to ±1 mm - eliminates precision mounting fixtures and reduces assembly cost. |
Use Scenario: Absolute angular measurement of steering wheel rotation for electronic stability control (ESC), lane-keeping assist (LKA), and automated parking functions. IC Role / Device Role / Timing Role: Rotary position encoder delivering 0–360° absolute angle with <±0.5° total error over lifetime - used as primary sensor in dual-redundant architectures. Use Value: Factory-programmed 16-point PWL correction compensates for magnet eccentricity and housing warpage - achieves required accuracy without post-assembly calibration. |
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 |
|---|---|---|---|
| MLX90377GVE-ADB-310-RX | Same SMP-3 package and temperature grade, but configured for High Speed Mode (12–15 mA supply current, faster update rate). | Required where system latency must be <5 ms (e.g., high-bandwidth ESC feedback), not suitable for ultra-low-power always-on nodes. | Select ADB-310 only if timing budget demands sub-5 ms response; ADB-300 remains optimal for power-constrained modules. |
| MLX90371GVE-ADB-000-RX | Legacy Triaxis® device in SMP-3; 10-bit resolution, no programmable PWL, analog-only output, no ASIL-B certification. | Limited to non-safety-critical applications (e.g., HVAC flap control); lacks diagnostic features and field immunity tuning of MLX90377. | Use MLX90371 only for cost-sensitive, non-automotive industrial position sensing where ASIL compliance and 12-bit linearity are unnecessary. |
Compared with MLX90377GVE-ADB-310-RX and MLX90371GVE-ADB-000-RX, the MLX90377GVE-ADB-300-RX uniquely balances ASIL-B compliance, dual analog/PWM output, low-power operation, and SMP-3 integration - making it the preferred choice for production automotive pedal and throttle modules requiring functional safety and space efficiency.
Availability
MLX90377GVE-ADB-300-RX is available at Aetrix Electronics and suitable for automotive throttle position sensing, pedal position monitoring, and ride height control applications requiring stable component supply across extended temperature ranges and long product lifecycles.
Supply support for MLX90377GVE-ADB-300-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 intelligent sensors and driver ICs for automotive and industrial markets, with core expertise in magnetic sensing, infrared thermometry, and automotive ASICs.
The MLX90377 belongs to Melexis' Triaxis® position sensor product line, designed specifically for robust, non-contact absolute angular and linear position measurement in harsh automotive environments where reliability, safety, and miniaturization are critical.
FAQ
What output protocols does the MLX90377GVE-ADB-300-RX support?
The MLX90377GVE-ADB-300-RX is factory-configured for Standard/Legacy Mode with analog ratiometric (0.5–4.5 V) and PWM (10–90% duty cycle) outputs only. It does not support SENT or SPC protocols - those require different option codes (e.g., ADB-330 or ADB-380). The output mode is fixed at manufacture and cannot be reprogrammed in the field.
Is the MLX90377GVE-ADB-300-RX pin-compatible with earlier Triaxis® sensors in SMP-3 packages?
Yes, the MLX90377GVE-ADB-300-RX maintains pin-to-pin compatibility with prior-generation Melexis Triaxis® sensors in the SMP-3 package (e.g., MLX90363), using identical VDD/OUT/VSS terminal layout and mechanical footprint. This allows drop-in replacement in existing designs without PCB revision, provided firmware and calibration parameters are updated to match MLX90377 capabilities.
Does the MLX90377GVE-ADB-300-RX require external decoupling capacitors?
No, the MLX90377GVE-ADB-300-RX integrates internal regulators and filtering circuitry optimized for the SMP-3 package. Unlike SOIC-8 or TSSOP-16 variants, it does not require external VDEC capacitors - simplifying layout, reducing BOM count, and improving reliability in vibration-prone automotive modules.
What functional safety level does the MLX90377GVE-ADB-300-RX achieve?
The MLX90377GVE-ADB-300-RX is ISO 26262 ASIL-B capable for its analog output mode and certified as a Safety Element out of Context (SEooC). It includes built-in diagnostics such as broken-wire detection on VDD and VSS, internal voltage monitoring, and configurable fault reporting - enabling integration into ASIL-B automotive systems without additional hardware redundancy.
Can the transfer characteristic of the MLX90377GVE-ADB-300-RX be customized after purchase?
No, the MLX90377GVE-ADB-300-RX is delivered with factory-programmed parameters, including its 4-/8-/16-/32-point piecewise-linear (PWL) transfer curve, output mode, and stray-field immunity setting. While Melexis provides programming tools for development units, production ADB-300 devices are locked and not user-reprogrammable - ensuring consistent performance across automotive production batches.
MLX90377GVE-ADB-300-RX 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:
- 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:
- -
- Qualification:
- -
- Supplier Device Package:
- SMP-3
MLX90377GVE-ADB-300-RX FAQ
1.How can I place an order for MLX90377GVE-ADB-300-RX through Aetrix?
Please submit a Request for Quotation (RFQ) for MLX90377GVE-ADB-300-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 MLX90377GVE-ADB-300-RX reliable?
The price and inventory of MLX90377GVE-ADB-300-RX 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-300-RX is usually 5 days.
3.What payment methods are accepted for MLX90377GVE-ADB-300-RX?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MLX90377GVE-ADB-300-RX transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MLX90377GVE-ADB-300-RX?
MLX90377GVE-ADB-300-RX orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MLX90377GVE-ADB-300-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 MLX90377GVE-ADB-300-RX?
For technical support, including MLX90377GVE-ADB-300-RX datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MLX90377GVE-ADB-300-RX requirements.
6.How does Aetrix verify that MLX90377GVE-ADB-300-RX is sourced from the original manufacturer or authorized distributors?
All MLX90377GVE-ADB-300-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 MLX90377GVE-ADB-300-RX meets industry standards.
7.What is the process for return or replacement of MLX90377GVE-ADB-300-RX?
All MLX90377GVE-ADB-300-RX units undergo pre-shipment inspection (PSI). If there is an issue with MLX90377GVE-ADB-300-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 MLX90377GVE-ADB-300-RX part is unused and in its original packaging.
Return procedure for MLX90377GVE-ADB-300-RX:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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