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Melexis Technologies NV MLX90377GVE-ADB-110-RX
- Part No.:
- MLX90377GVE-ADB-110-RX
- Manufacturer:
- Melexis Technologies NV
- Category:
- Angle, Linear Position Measuring
- Package:
- 3-SIP Module
- Datasheet:
-
MLX90377GVE-ADB-110-RX.pdf
- Description:
- SENSOR MAGNET POSITION 3SMP
- Quantity:
- Payment:
- Shipping:
Inventory:4,353
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Product details
Overview
MLX90377GVE-ADB-110-RX from Melexis is a monolithic Triaxis® Hall-based absolute position sensor IC in SMP-3 package, operating from −40°C to +160°C, delivering 12-bit resolution analog/PWM output with high-speed mode, and certified ASIL-C capable for SENT/PWM/SPC outputs. It decodes rotary magnet position (0–360°) in stray-field immune configurations for automotive throttle and pedal sensing.
For engineers reviewing the MLX90377GVE-ADB-110-RX datasheet, pinout, applications, or equivalent options, key selection criteria include its SMP-3 footprint, rotary stray-field immune low-field variant (-1xx), high-speed analog/PWM timing, ASIL-C functional safety support, and factory-programmed non-interchangeable output protocol.
Technical Context
The MLX90377GVE-ADB-110-RX integrates a Triaxis® Hall front end sensitive to Bx, By, and Bz magnetic components, enabling absolute angular position decoding without mechanical contact. Its on-chip DSP supports programmable piecewise-linear transfer characteristics (up to 32 segments) and configurable filtering for robustness against magnetic interference.
This variant implements Rotary Stray-Field Immune Mode (Low Field variant, -1xx option code), optimized for angular applications where external stray fields must not corrupt measurement. It uses factory-trimmed 12 MHz main clock (±3.5% total drift) and operates exclusively in Analog/PWM high-speed mode-output protocol is fixed at shipment and not reprogrammable in-system.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Operating Temp | −40°C to +160°C: Enables under-hood automotive deployment without external thermal derating. |
| Output Resolution | 12-bit: Delivers 0.0879° angular step size over 360° full scale for precision control feedback. |
| Supply Voltage | 4.5 V to 5.5 V (regulated): Matches standard automotive 5 V rail; supports battery-powered operation up to 18 V via internal regulation. |
| Startup Time | < 5 ms (high-speed mode): Ensures rapid system readiness after power-on for real-time throttle actuation loops. |
| Accuracy | ±0.5° typical (rotary stray-field immune mode): Guaranteed linearity and repeatability in magnetically noisy environments. |
| Functional Safety | ISO 26262 ASIL-C capable (PWM/SENT/SPC): Validated safety element out of context for safety-critical vehicle subsystems. |
| Magnetic Range | ±1 T max flux density: Withstands strong transient fields without saturation or latch-up. |
Pinout & Package
SMP-3 is a PCB-less single-mold package with 3 solderable terminals and two test pads (INPUT, TEST), designed for direct magnet-side mounting in compact rotary sensors.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (VDD) | Supply input | Accepts 4.5–5.5 V regulated supply; internal regulator enables 6–18 V battery operation. |
| 2 (OUT) | Programmed output | Delivers ratiometric analog voltage (0.5–4.5 V) or PWM signal (10–90% duty cycle) per factory configuration. |
| 3 (VSS) | Ground reference | Primary return path; critical for analog accuracy and EMC performance in high-noise environments. |
| a (INPUT) | Test interface | Factory-use only; not intended for end-user connection or signal routing. |
| b (TEST) | Test interface | Factory-use only; tied to ground per recommended EMC practice if unused. |
Key Features
| Feature | Design Value |
|---|---|
| Triaxis® Hall sensing | Measures all three magnetic vector components (Bx, By, Bz) to resolve absolute angle without external concentrators or multi-die alignment. |
| Rotary stray-field immunity (low-field) | Rejects orthogonal stray fields up to ±10 mT while maintaining ±0.5° accuracy-enables placement near motors or solenoids. |
| Programmable transfer characteristic | Supports up to 32-point piecewise-linear calibration to compensate for magnet nonlinearity and mechanical eccentricity. |
| High-speed analog/PWM mode | Delivers sub-5 ms startup and <100 µs latency-meets real-time closed-loop control timing for electronic throttle bodies. |
| ASIL-C functional safety compliance | Includes built-in diagnostics (broken-wire detection, watchdog, CRC), fault reporting via output, and documented safety mechanisms per ISO 26262. |
Applications
| Throttle Position Sensing | Pedal Position Sensing |
|---|---|
Use Scenario: Monitoring accelerator pedal angle in gasoline/diesel powertrains for engine torque mapping and emissions control. IC Role / Device Role / Timing Role: Absolute rotary position transducer providing 12-bit analog/PWM feedback synchronized to ECU sampling clocks. Use Value: High-speed startup (<5 ms) and ASIL-C compliance ensure immediate throttle response and fail-safe operation during cold start. | Use Scenario: Detecting brake or clutch pedal displacement in brake-by-wire and automated manual transmission systems. IC Role / Device Role / Timing Role: Contactless linear-to-rotary position converter using off-axis magnet geometry with stray-field rejection. Use Value: Rotary stray-field immune mode maintains ±0.5° accuracy despite proximity to high-current braking actuators. |
| Steering Wheel Angle Sensing | Ride Height Control |
Use Scenario: Measuring steering column rotation for EPS assist torque calculation and ADAS lane-keeping functions. IC Role / Device Role / Timing Role: High-reliability angular encoder mounted directly on steering shaft with SMP-3's compact form factor. Use Value: SMP-3 package enables direct integration into tight steering column housings; ASIL-C support satisfies ISO 26262 ASIL-B system requirements. | Use Scenario: Monitoring suspension travel in adaptive air ride systems to adjust damping and vehicle level. IC Role / Device Role / Timing Role: Linear position sensor using magnet translation along calibrated track, leveraging MLX90377's programmable transfer curve. Use Value: Programmable 32-point PWL compensation corrects for nonlinear spring/magnet geometry, improving height control resolution by >3× vs. fixed-gain analog sensors. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar absolute position sensing applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MLX90377GVE-ADB-310-RX | Same SMP-3 package and temperature range, but Standard/Legacy Mode with Analog/PWM high-speed output-lacks rotary stray-field immunity. | Used in less magnetically noisy environments (e.g., HVAC dampers); not suitable for under-hood throttle or brake locations. | Select only when stray-field rejection is unnecessary and cost optimization is prioritized over field immunity. |
| MLX90371GVE-ADB-110-RX | Legacy Triaxis® generation; same SMP-3 footprint and rotary stray-field immune low-field mode, but limited to 10-bit resolution and no ASIL-C certification. | Applicable in non-safety-critical industrial position feedback where 0.35° step size suffices and functional safety is not mandated. | Choose for legacy design continuity or cost-sensitive non-automotive use; avoid where ASIL-C or 12-bit resolution is required. |
Compared with MLX90377GVE-ADB-110-RX, the ADB-310-RX sacrifices stray-field immunity for broader compatibility, while the MLX90371GVE-ADB-110-RX trades resolution and safety certification for lower unit cost-neither offers the combined 12-bit accuracy, ASIL-C capability, and field immunity of the original.
Availability
MLX90377GVE-ADB-110-RX is available at Aetrix Electronics and suitable for automotive throttle position sensing, brake pedal monitoring, and steering angle feedback requiring stable component supply across extended temperature ranges and functional safety compliance.
Supply support for MLX90377GVE-ADB-110-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 product line delivers high-accuracy, ASIL-capable absolute position sensing for safety-critical vehicle subsystems-including throttle, brake, and steering-using Triaxis® technology to eliminate mechanical wear and improve long-term reliability.
FAQ
What output protocol does the MLX90377GVE-ADB-110-RX support?
The MLX90377GVE-ADB-110-RX is factory-programmed for Analog/PWM high-speed mode only. Its output protocol is fixed and cannot be changed post-manufacture-no reprogramming or configuration via SENT, SPC, or other interfaces is possible. The device delivers either a ratiometric analog voltage (0.5–4.5 V) or a PWM signal (10–90% duty cycle) depending on final programming, both compliant with SAE J2716 APR2016 timing requirements.
Is the MLX90377GVE-ADB-110-RX pin-compatible with other MLX90377 variants in SMP-3 package?
Yes-the MLX90377GVE-ADB-110-RX shares identical SMP-3 pinout (VDD, OUT, VSS + INPUT/TEST test pads) with all other VE-coded variants including ADB-210-RX, ADB-310-RX, and ADB-510-RX. Mechanical footprint, solder pad layout, and terminal assignments are fully consistent, enabling drop-in replacement within the same package family when electrical and functional requirements align.
Does the MLX90377GVE-ADB-110-RX require external decoupling capacitors?
No-SMP-3 package integrates internal decoupling capacitance, eliminating the need for external VDD/VSS bypass capacitors. This simplifies PCB layout and reduces bill-of-materials count, especially in space-constrained rotary sensor assemblies. Layout guidelines still recommend short, low-inductance traces between VDD and VSS terminals and grounding of unused INPUT/TEST pads for optimal EMC performance.
What is the functional safety qualification status of the MLX90377GVE-ADB-110-RX?
The MLX90377GVE-ADB-110-RX is ISO 26262 ASIL-C capable for PWM output mode and ASIL-B capable for analog output mode, certified as a Safety Element out of Context (SEooC). It includes integrated diagnostics such as broken-wire detection (VDD/VSS), watchdog timers, CRC-protected memory, and fault signaling via output state-fully documented in Melexis' Functional Safety Manual (FSM-MLX90377).
Can the MLX90377GVE-ADB-110-RX be used for linear position sensing?
Yes-the MLX90377GVE-ADB-110-RX supports linear position measurement when paired with appropriate magnet geometry (e.g., moving dipole along axis), but its -110 option code configures it specifically for Rotary Stray-Field Immune Mode (Low Field variant). For dedicated linear applications, Melexis recommends -2xx-coded variants like MLX90377GVE-ADB-210-RX, which optimize filter settings and transfer function for translational motion.
MLX90377GVE-ADB-110-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:
- 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-110-RX FAQ
1.How can I place an order for MLX90377GVE-ADB-110-RX through Aetrix?
Please submit a Request for Quotation (RFQ) for MLX90377GVE-ADB-110-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-110-RX reliable?
The price and inventory of MLX90377GVE-ADB-110-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-110-RX is usually 5 days.
3.What payment methods are accepted for MLX90377GVE-ADB-110-RX?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MLX90377GVE-ADB-110-RX transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MLX90377GVE-ADB-110-RX?
MLX90377GVE-ADB-110-RX orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MLX90377GVE-ADB-110-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-110-RX?
For technical support, including MLX90377GVE-ADB-110-RX datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MLX90377GVE-ADB-110-RX requirements.
6.How does Aetrix verify that MLX90377GVE-ADB-110-RX is sourced from the original manufacturer or authorized distributors?
All MLX90377GVE-ADB-110-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-110-RX meets industry standards.
7.What is the process for return or replacement of MLX90377GVE-ADB-110-RX?
All MLX90377GVE-ADB-110-RX units undergo pre-shipment inspection (PSI). If there is an issue with MLX90377GVE-ADB-110-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-110-RX part is unused and in its original packaging.
Return procedure for MLX90377GVE-ADB-110-RX:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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