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Melexis Technologies NV MLX90377GDC-ADB-380-RE
- Part No.:
- MLX90377GDC-ADB-380-RE
- Manufacturer:
- Melexis Technologies NV
- Category:
- Angle, Linear Position Measuring
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
MLX90377GDC-ADB-380-RE.pdf
- Description:
- TRIAXIS POSITION SENSOR - ANGULA
- Quantity:
- Payment:
- Shipping:
Inventory:2,007
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Product details
Overview
MLX90377GDC-ADB-380-RE from Melexis is a Triaxis® monolithic magnetic position sensor IC in SOIC-8 package, delivering 12-bit SPC (Short PWM Code) output with 1.5 μs tick time, operating from −40 °C to +160 °C, and certified ASIL-B for analog mode and ASIL-C for SENT/PWM/SPC modes under ISO 26262. It decodes absolute rotary or linear position via Bx, By, Bz field components using integrated IMC and DSP.
For engineers reviewing the MLX90377GDC-ADB-380-RE datasheet, pinout, applications, or equivalent options, this page delivers verified technical context, SOIC-8 pin mapping, SPC protocol timing, stray-field robustness, and automotive-grade functional safety implementation details critical for throttle, pedal, and ride-height sensor design.
Technical Context
The MLX90377GDC-ADB-380-RE implements Triaxis® Hall sensing with on-chip analog-to-digital conversion, 12-bit DSP-based signal processing, and programmable piecewise-linear transfer characteristics (up to 32 segments). Its front-end captures all three orthogonal magnetic flux components (Bx, By, Bz) to resolve absolute angular position (0–360°) or linear displacement without mechanical contact.
This variant is configured exclusively for SPC output mode per ADB-380 option code - non-reprogrammable in end-use - with 1.5 μs tick time, 12-bit resolution, and built-in diagnostics including broken-wire detection on VDD/VSS. It operates in Standard/Legacy magnetic configuration (−3xx code), supporting ratiometric supply (4.5–5.5 V regulated or 6–18 V battery) and features reverse polarity protection up to −18 V.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Protocol | SPC (Short PWM Code) only - fixed by ADB-380 option; not reconfigurable in field |
| Resolution | 12-bit position data per frame; enables ±0.1° angular accuracy in typical rotary setups |
| Tick Time | 1.5 μs - defines minimum pulse width and timing window for trigger pulse reception |
| Operating Temp | −40 °C to +160 °C - qualified for under-hood automotive environments |
| Supply Range | 4.5–5.5 V (regulated) or 6–18 V (battery); includes reverse voltage protection to −18 V |
| Safety Certification | ISO 26262 ASIL-C capable for SPC output; Safety Element out of Context (SEooC) |
| Magnetic Sensing | Triaxis® 3-axis Hall + IMC - measures Bx, By, Bz simultaneously for absolute position decoding |
Pinout & Package
MLX90377GDC-ADB-380-RE uses the SOIC-8 package (Package Code DC), with pins arranged for compact PCB layout and EMC-optimized grounding. Unused pins (N.C., Test) must be tied to ground per datasheet recommendation.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 - VDD | Power supply input | Accepts 4.5–18 V; reverse-polarity protected; powers analog/digital regulators |
| 2 - Input | Test/external measurement interface | Used internally for factory calibration; not intended for end-user signal routing |
| 3 - Test | Factory test access | No functional role in operation; recommended to connect to VSS for EMC |
| 4 - N.C. | Not connected | Internally unconnected; must be grounded per datasheet for optimal EMC |
| 5 - OUT | SPC output driver | Push-pull output delivering 12-bit SPC frames; supports 10–55 kΩ load range |
| 6 - N.C. | Not connected | Internally unconnected; must be grounded per datasheet for optimal EMC |
| 7 - VDEC | Decoupling capacitor connection | Requires external 100 nF ceramic cap to VSS; critical for noise immunity and regulator stability |
| 8 - VSS | Ground reference | Main power return; also used for broken-wire diagnostic detection (BVSSPD/BVSSPU) |
Key Features
| Feature | Design Value |
|---|---|
| Triaxis® 3D Hall Sensing | Simultaneous Bx/By/Bz measurement enables true absolute position without magnet rotation constraints |
| SPC Output Compliance | Meets SAE J2716 APR2016 SPC specification with 1.5 μs tick time and CRC-protected frames |
| Programmable Transfer Curve | Up to 32-point piecewise-linear (PWL) calibration allows precise linearization for custom magnet geometries |
| Stray-Field Immunity | Standard/Legacy mode (−3xx) provides robustness against external magnetic interference per datasheet Section 8.3 |
| Functional Safety Support | ASIL-C ready for SPC output; includes watchdog, memory ECC, startup validation, and diagnostic nibbles |
Applications
| Throttle Position Sensing | Pedal Position Sensing |
|---|---|
Use Scenario: Monitoring accelerator or brake pedal angular displacement in passenger vehicles and commercial trucks. IC Role / Device Role / Timing Role: Absolute rotary position sensor delivering real-time SPC frames at 1–10 kHz update rate with <100 μs latency. Use Value: Enables closed-loop engine/brake control with ASIL-C compliant output and broken-wire diagnostics on VDD/VSS. | Use Scenario: Detecting full-travel linear displacement of gas/brake pedals with non-contact reliability over 10M+ cycles. IC Role / Device Role / Timing Role: Linear position transducer using calibrated PWL transfer function and SPC output synchronized to ECU trigger pulses. Use Value: Eliminates potentiometer wear; SPC's 1.5 μs tick time ensures deterministic timing for safety-critical actuation decisions. |
| Ride Height Control | Steering Angle Sensing |
Use Scenario: Measuring suspension travel in adaptive air-spring systems for vehicle leveling and stability control. IC Role / Device Role / Timing Role: Linear displacement sensor mounted on shock absorber; outputs SPC frames with CRC-checked position and status nibbles. Use Value: Provides high-resolution height feedback immune to chassis vibration and stray fields from nearby motors or solenoids. | Use Scenario: Tracking steering wheel angle for EPS assist, lane-keeping, and yaw stability systems. IC Role / Device Role / Timing Role: Absolute 0–360° rotary sensor with redundant diagnostics and fail-safe Hi-Z output on fault detection. Use Value: Delivers continuous angle data with ASIL-C compliance and <200 μs total latency from magnet movement to SPC frame edge. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar magnetic position sensing applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MLX90377GDC-ADB-330-RE | SENT output instead of SPC; 3 μs tick time; identical SOIC-8 package and temperature rating | Requires SENT-capable ECU; supports longer diagnostic payload and multi-nibble status reporting | Select when ECU interface mandates SENT over SPC, or when extended diagnostic data bandwidth is required |
| MLX90377GGO-ADB-380-RE | TSSOP-16 dual-die package; provides internal isolation (≥4 MΩ between dies); same SPC output and ADB-380 configuration | Enables redundant architecture for ASIL-D systems; requires larger PCB footprint and dual decoupling | Select when functional safety architecture requires hardware redundancy or die-level isolation per ISO 26262 Part 9 |
Compared with MLX90377GDC-ADB-380-RE, the SENT variant offers richer diagnostics but slower timing, while the TSSOP-16 dual-die version adds physical redundancy at the cost of board space and complexity - both retain identical magnetic performance and calibration flexibility.
Availability
MLX90377GDC-ADB-380-RE is available at Aetrix Electronics and suitable for throttle position sensing, pedal position sensing, and ride height control applications requiring stable component supply across automotive production lifecycles.
Supply support for MLX90377GDC-ADB-380-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 ISO/TS 16949 certification and global automotive Tier-1 supplier engagement.
The MLX90377 product line delivers Triaxis®-based absolute position sensing for safety-critical automotive subsystems, emphasizing stray-field resilience, programmable transfer functions, and ASIL-compliant output protocols including SPC, SENT, and PWM.
FAQ
What output protocol does the MLX90377GDC-ADB-380-RE support?
The MLX90377GDC-ADB-380-RE supports SPC (Short PWM Code) output only, as defined by its ADB-380 option code. This configuration is factory-programmed and cannot be changed in the field. The SPC interface operates with a 1.5 μs tick time, delivers 12-bit position data, and includes CRC-protected status and communication nibbles per SAE J2716 APR2016.
Is the MLX90377GDC-ADB-380-RE pin-compatible with other MLX90377 variants in SOIC-8?
Yes, the MLX90377GDC-ADB-380-RE shares identical SOIC-8 pinout and electrical behavior with all other DC-package MLX90377 variants, including MLX90377GDC-ADB-300-RE and MLX90377GDC-ADB-330-RE. Pin functions (VDD, VSS, OUT, VDEC, etc.) and absolute maximum ratings remain consistent across these versions - only output protocol and internal firmware differ.
Does the MLX90377GDC-ADB-380-RE meet automotive functional safety requirements?
Yes, the MLX90377GDC-ADB-380-RE is ISO 26262 ASIL-C capable for SPC output mode and classified as a Safety Element out of Context (SEooC). It integrates hardware watchdogs, memory ECC, startup validation, and diagnostic features including broken-wire detection on VDD and VSS - all documented in the official Melexis Safety Manual for MLX90377.
What is the operating temperature range of the MLX90377GDC-ADB-380-RE?
The MLX90377GDC-ADB-380-RE is rated for continuous operation from −40 °C to +160 °C, matching the G temperature grade. This range is validated across all electrical specifications including supply current, output drive strength, and SPC timing parameters, making it suitable for under-hood and transmission-mounted automotive applications.
Can the MLX90377GDC-ADB-380-RE be used with non-rotary magnets, such as linear sliders?
Yes, the MLX90377GDC-ADB-380-RE supports both rotary and linear position sensing configurations. Its Triaxis® architecture measures Bx, By, Bz components to decode absolute linear displacement when paired with appropriate magnet arrangements (e.g., side-magnet or back-magnet linear tracks), as confirmed in Application Examples and Figure 2 of the datasheet.
MLX90377GDC-ADB-380-RE Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Melexis Technologies NV
- Package/Case:
- 8-SOIC (0.154", 3.90mm Width)
- Series:
- -
- 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:
- SPC
- 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:
- 8-SOIC
MLX90377GDC-ADB-380-RE FAQ
1.How can I place an order for MLX90377GDC-ADB-380-RE through Aetrix?
Please submit a Request for Quotation (RFQ) for MLX90377GDC-ADB-380-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 MLX90377GDC-ADB-380-RE reliable?
The price and inventory of MLX90377GDC-ADB-380-RE are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MLX90377GDC-ADB-380-RE is usually 5 days.
3.What payment methods are accepted for MLX90377GDC-ADB-380-RE?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MLX90377GDC-ADB-380-RE transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MLX90377GDC-ADB-380-RE?
MLX90377GDC-ADB-380-RE orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MLX90377GDC-ADB-380-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 MLX90377GDC-ADB-380-RE?
For technical support, including MLX90377GDC-ADB-380-RE datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MLX90377GDC-ADB-380-RE requirements.
6.How does Aetrix verify that MLX90377GDC-ADB-380-RE is sourced from the original manufacturer or authorized distributors?
All MLX90377GDC-ADB-380-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 MLX90377GDC-ADB-380-RE meets industry standards.
7.What is the process for return or replacement of MLX90377GDC-ADB-380-RE?
All MLX90377GDC-ADB-380-RE units undergo pre-shipment inspection (PSI). If there is an issue with MLX90377GDC-ADB-380-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 MLX90377GDC-ADB-380-RE part is unused and in its original packaging.
Return procedure for MLX90377GDC-ADB-380-RE:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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