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Melexis Technologies NV MLX90377GDC-ADB-380-SP
- Part No.:
- MLX90377GDC-ADB-380-SP
- Manufacturer:
- Melexis Technologies NV
- Category:
- Angle, Linear Position Measuring
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
MLX90377GDC-ADB-380-SP.pdf
- Description:
- TRIAXIS POSITION SENSOR - ANGULA
- Quantity:
- Payment:
- Shipping:
Inventory:1,630
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Product details
Overview
MLX90377GDC-ADB-380-SP from Melexis is a monolithic Triaxis® Hall-based absolute 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.
For engineers reviewing the MLX90377GDC-ADB-380-SP datasheet, pinout, applications, or equivalent options, this page delivers verified functional context, SOIC-8 pin mapping, SPC protocol timing constraints, stray-field robustness in legacy mode, and automotive-grade safety architecture - all confirmed from Melexis Revision 003 datasheet (Dec 2021).
Technical Context
The MLX90377GDC-ADB-380-SP integrates a Triaxis® Hall front end sensing Bx, By, and Bz components, a 12-bit ADC, DSP-based signal conditioning, and firmware-configurable output stage supporting only SPC mode per ADB-380 option code - not reprogrammable in-field. Its architecture enables absolute rotary or linear position decoding without mechanical contact using external magnets.
This variant operates in Standard/Legacy Mode (−3xx option), uses SOIC-8 packaging, and features on-chip diagnostics including broken-wire detection for VDD/VSS, active/passive fault reporting via SPC status nibbles, and 48-bit programmable ID. It does not support SENT, PWM, or analog outputs - those require different ADB codes.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Protocol | SPC (Short PWM Code) only - fixed by ADB-380 option; no field reconfiguration possible. |
| Resolution | 12-bit position data - enables ≤0.088° angular resolution over 360° full scale. |
| Tick Time | 1.5 μs - defines minimum pulse width and timing budget for host controller sampling. |
| Operating Temp | −40 °C to +160 °C - qualified for under-hood automotive applications including throttle and pedal sensors. |
| Safety Certification | ISO 26262 ASIL-C capable for SPC output - supports safety-critical ECU feedback loops with diagnostic coverage. |
| Supply Range | 4.5 V to 5.5 V (regulated) or 6–18 V (battery) - dual-mode supply supports direct vehicle battery connection in PWM mode only; SPC mode requires regulated input. |
| Stray-Field Immunity | Standard/Legacy Mode - optimized for magnet configurations without enhanced stray-field rejection (unlike −1xx/−2xx/−5xx variants). |
Pinout & Package
MLX90377GDC-ADB-380-SP is housed in an SOIC-8 package (8-pin, 150 mil width, gull-wing leads). Unused pins (N.C., Test) must be connected to ground for optimal EMC performance per datasheet recommendation.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 - VDD | Power supply input | Accepts 4.5–5.5 V regulated or 6–18 V battery-supply (SPC mode requires regulated input); reverse voltage protected to −14 V. |
| 2 - Input | Test/external measurement interface | Factory test access; not intended for end-user signal routing; recommended tied to GND if unused. |
| 3 - Test | Internal test node | Reserved for Melexis production testing; must be connected to VSS for EMC compliance. |
| 4 - N.C. | No connection | Internally unconnected; required to be grounded per datasheet to reduce EMI susceptibility. |
| 5 - OUT | SPC output driver | Push-pull digital output delivering SPC frames; supports 10–55 kΩ load; 27–130 Ω Ron ensures fast edge rates at 1.5 μs tick. |
| 6 - N.C. | No connection | Internally unconnected; required to be grounded per datasheet to reduce EMI susceptibility. |
| 7 - VDEC | Internal analog regulator decoupling | Must be connected to 100 nF ceramic capacitor to VSS; critical for noise immunity of Hall front-end and ADC. |
| 8 - VSS | Ground reference | Main power return; used for broken-wire detection diagnostics; connects to system ground plane with low-inductance path. |
Key Features
| Feature | Design Value |
|---|---|
| Triaxis® 3D Hall Sensing | Simultaneous Bx, By, Bz measurement enables single-die absolute angle/linear position sensing without external concentrators. |
| SPC Output Compliance | Fully compliant with SAE J2716 APR2016 Short PWM Code format - includes status & communication nibble (SCN), error flags, and 12-bit position payload. |
| ASIL-C Safety Architecture | Dual-core lockstep monitoring, watchdog timers, memory ECC, and diagnostic test intervals validated for ASIL-C decomposition in SPC mode. |
| Programmable 48-bit ID | Uniquely identifies each device in multi-sensor systems; stored in NVRAM and accessible via SPC diagnostic frames. |
| Broken-Wire Detection | Real-time VDD/VSS open-circuit detection using passive diagnostic levels (e.g., BVDDPU = 92.5–99% VDD on pull-up load). |
| Legacy Mode Calibration | Factory-programmed linear transfer characteristic optimized for standard rotary/linear magnet topologies - no user calibration required. |
Applications
| Throttle Position Sensing | Pedal Position Sensing |
|---|---|
|
Use Scenario: Measures rotational angle of engine throttle valve shaft in gasoline/diesel powertrains. IC Role / Device Role / Timing Role: Absolute position sensor providing real-time 12-bit SPC-encoded angle feedback to ECU for air-fuel ratio and torque control. Use Value: Enables deterministic 1.5 μs-tick SPC response for closed-loop control with <100 μs total latency, meeting ASIL-C timing constraints. |
Use Scenario: Detects displacement of accelerator or brake pedal in passenger and commercial vehicles. IC Role / Device Role / Timing Role: Non-contact linear position transducer delivering SPC frames synchronized to ECU sampling clock. Use Value: Delivers fail-safe position data with built-in broken-wire diagnostics on VDD/VSS, eliminating need for redundant sensors in ASIL-B systems. |
| Steering Wheel Position Sensing | Ride Height Control Sensing |
|
Use Scenario: Monitors absolute angular position of steering column for EPS assist and ADAS yaw estimation. IC Role / Device Role / Timing Role: Triaxis®-based rotary sensor interfacing directly to steering ECU via SPC bus with CRC-protected frames. Use Value: Provides high-resolution (0.088°) angle data immune to axial misalignment and temperature drift up to +160 °C. |
Use Scenario: Tracks suspension travel in air-ride or adaptive damping systems for vehicle leveling and comfort tuning. IC Role / Device Role / Timing Role: Linear position sensor mounted on shock absorber or control arm, outputting SPC position and status. Use Value: Supports robust operation in high-vibration chassis environments with integrated stray-field tolerance and EMC-hardened SOIC-8 layout. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar absolute position sensing applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MLX90377GDC-ADB-330-SP | Identical SOIC-8 package and legacy mode, but outputs SENT (not SPC); 3 μs tick time; supports faster frame rate and richer diagnostic payload. | Preferred where host ECU has SENT receiver and requires higher diagnostic bandwidth or multi-parameter reporting (e.g., temperature, status). | Select ADB-330 if SENT infrastructure exists; ADB-380 is mandatory when SPC interface or 1.5 μs timing is required. |
| MLX90377GGO-ADB-380-SP | Same SPC output mode and ADB-380 configuration, but in TSSOP-16 dual-die package with isolation >4 MΩ between dies. | Required for redundancy-critical applications (e.g., steer-by-wire) needing two independent position channels in one package. | Choose GO variant only when functional safety demands hardware redundancy; DC variant suffices for single-channel ASIL-C systems. |
Compared with MLX90377GDC-ADB-330-SP, the MLX90377GDC-ADB-380-SP trades SENT's richer diagnostics for tighter 1.5 μs timing control and simpler host decoding; versus MLX90377GGO-ADB-380-SP, it offers identical SPC functionality at lower cost and footprint, but without die-level redundancy or inter-die isolation.
Availability
MLX90377GDC-ADB-380-SP is available at Aetrix Electronics and suitable for throttle position sensing, pedal position sensing, steering wheel position sensing, and ride height control requiring stable component supply across automotive production lifecycles.
Supply support for MLX90377GDC-ADB-380-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 manufacturing partnerships globally.
The MLX90377 product line delivers Triaxis®-based absolute position sensing for automotive powertrain, chassis, and ADAS systems, emphasizing ASIL-compliant reliability, stray-field resilience, and multi-protocol flexibility.
FAQ
What output protocol does the MLX90377GDC-ADB-380-SP support?
The MLX90377GDC-ADB-380-SP supports SPC (Short PWM Code) output exclusively, as defined by its ADB-380 option code. It cannot be reconfigured to SENT, PWM, or analog modes - those require different orderable variants like ADB-330 or ADB-310. The SPC frame delivers 12-bit position data with 1.5 μs tick time and includes status & communication nibble (SCN) for diagnostics.
Is the MLX90377GDC-ADB-380-SP pin-compatible with other MLX90377 variants in SOIC-8?
Yes, all MLX90377 variants in SOIC-8 package - including MLX90377GDC-ADB-300-SP, MLX90377GDC-ADB-310-SP, and MLX90377GDC-ADB-330-SP - share identical pinout (VDD, Input, Test, N.C., OUT, N.C., VDEC, VSS). However, output behavior, startup timing, and internal configuration differ per ADB code; electrical compatibility assumes matching supply and load conditions.
Does the MLX90377GDC-ADB-380-SP meet ISO 26262 requirements?
Yes, the MLX90377GDC-ADB-380-SP is ISO 26262 ASIL-C capable for its SPC output mode, documented in the safety manual as a Safety Element out of Context (SEooC). It implements hardware and firmware safety mechanisms including lockstep monitoring, memory ECC, and diagnostic test intervals - all validated for use in ASIL-C automotive systems such as throttle control.
What is the operating temperature range of the MLX90377GDC-ADB-380-SP?
The MLX90377GDC-ADB-380-SP operates from −40 °C to +160 °C, qualified for under-hood automotive environments. This range applies to all electrical specifications unless otherwise noted, and supports continuous operation in high-temperature locations such as near exhaust manifolds or transmission housings where throttle or pedal sensors are mounted.
Can the MLX90377GDC-ADB-380-SP be used in linear position sensing applications?
Yes, the MLX90377GDC-ADB-380-SP supports both absolute rotary and linear position sensing in Standard/Legacy Mode. When paired with a properly designed linear magnet arrangement (e.g., moving pole pair), it delivers calibrated 12-bit position data via SPC output - validated in applications including float-level and small-stroke position sensing per Melexis application examples.
MLX90377GDC-ADB-380-SP Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Melexis Technologies NV
- Package/Case:
- 8-SOIC (0.154", 3.90mm Width)
- 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:
- 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-SP FAQ
1.How can I place an order for MLX90377GDC-ADB-380-SP through Aetrix?
Please submit a Request for Quotation (RFQ) for MLX90377GDC-ADB-380-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 MLX90377GDC-ADB-380-SP reliable?
The price and inventory of MLX90377GDC-ADB-380-SP 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-SP is usually 5 days.
3.What payment methods are accepted for MLX90377GDC-ADB-380-SP?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MLX90377GDC-ADB-380-SP transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MLX90377GDC-ADB-380-SP?
MLX90377GDC-ADB-380-SP orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MLX90377GDC-ADB-380-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 MLX90377GDC-ADB-380-SP?
For technical support, including MLX90377GDC-ADB-380-SP datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MLX90377GDC-ADB-380-SP requirements.
6.How does Aetrix verify that MLX90377GDC-ADB-380-SP is sourced from the original manufacturer or authorized distributors?
All MLX90377GDC-ADB-380-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 MLX90377GDC-ADB-380-SP meets industry standards.
7.What is the process for return or replacement of MLX90377GDC-ADB-380-SP?
All MLX90377GDC-ADB-380-SP units undergo pre-shipment inspection (PSI). If there is an issue with MLX90377GDC-ADB-380-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 MLX90377GDC-ADB-380-SP part is unused and in its original packaging.
Return procedure for MLX90377GDC-ADB-380-SP:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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