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Melexis Technologies NV MLX90377GGO-ADB-310-TU
- Part No.:
- MLX90377GGO-ADB-310-TU
- Manufacturer:
- Melexis Technologies NV
- Category:
- Angle, Linear Position Measuring
- Package:
- 16-TSSOP (0.173", 4.40mm Width)
- Datasheet:
-
MLX90377GGO-ADB-310-TU.pdf
- Description:
- SENSOR RTRY/LNR ANLG/PWM 16TSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:4,933
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Product details
Overview
MLX90377GGO-ADB-310-TU from Melexis is a Triaxis® monolithic magnetic position sensor IC for absolute rotary or linear position sensing. It features Triaxis® Hall front-end detecting Bx/By/Bz components, on-chip DSP signal processing, and programmable analog/PWM output in High Speed Mode. Operating from -40°C to 160°C, it delivers 12-bit resolution with ±0.5° angular accuracy in standard legacy mode and supports automotive pedal/throttle position sensing.
For engineers reviewing the MLX90377GGO-ADB-310-TU datasheet, pinout, applications, or equivalent options, this page provides verified package mapping (TSSOP-16), confirmed pin functions, real-world timing specs (startup < 10 ms, latency ≤ 1.2 ms), functional safety ASIL-C capability for PWM output, and validated alternative options for automotive position-sensing designs.
Technical Context
The MLX90377GGO-ADB-310-TU implements a dual-die TSSOP-16 architecture with isolated VDD1/VSS1/VDEC1 and VDD2/VSS2/VDEC2 domains, enabling redundant operation per ISO 26262 ASIL-C requirements. Its Triaxis® Hall front-end captures all three orthogonal magnetic field components, enabling robust absolute angle decoding without mechanical contact.
It integrates a 12-bit ADC, DSP-based piecewise-linearization (up to 32 segments), and configurable analog/PWM output with 12-bit resolution. The High Speed Mode (-310 option code) configures 12-bit ratiometric analog and PWM outputs with optimized timing: startup time < 10 ms and latency ≤ 1.2 ms at 160°C.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Mode | Analog ratiometric + PWM, High Speed Mode (option code ADB-310) |
| Resolution | 12-bit (4096 steps), enabling 0.088° angular step resolution over 360° |
| Accuracy | ±0.5° typical total angular error in Standard/Legacy Mode (-3xx), including INL/DNL and thermal drift |
| Operating Temp | -40°C to +160°C junction temperature, qualified for under-hood automotive use |
| Supply Range | 4.5 V to 5.5 V (regulated) or 6 V to 18 V (battery), with reverse voltage protection to -18 V |
| Startup Time | < 10 ms to first valid analog/PWM output, critical for fast-response throttle/pedal systems |
| Latency | ≤ 1.2 ms average delay from magnet movement to output update at 160°C |
Pinout & Package
TSSOP-16 dual-die package with isolated power/ground domains for functional safety redundancy; requires separate decoupling on VDEC1 and VDEC2 pins.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 9 | VDEC1 / VDEC2 | Dedicated decoupling pins per die; must be connected to local 100 nF ceramic capacitors |
| 2, 10 | VSS1 / VSS2 | Independent ground returns per die; isolation resistance ≥ 4 MΩ enables ASIL-C fault separation |
| 3, 11 | VDD1 / VDD2 | Separate supply inputs per die; supports independent power sequencing and fault detection |
| 6, 15 | OUT2 / OUT1 | Independent analog/PWM outputs per die; enables cross-checking in safety-critical applications |
| 4, 12 | Input1 / Input2 | Test/measurement inputs; not used in standard operation but support factory calibration |
| 5, 13 | Test2 / Test1 | Internal test access points; recommended to tie to VSS for EMC compliance |
| 7, 8, 14, 16 | N.C. | No-connect pins; must be tied to VSS per datasheet for optimal EMC performance |
Key Features
| Feature | Design Value |
|---|---|
| Triaxis® 3D Hall Sensing | Simultaneous Bx/By/Bz measurement enables true absolute position decoding without magnet rotation constraints |
| Programmable Transfer Curve | Up to 32-point piecewise-linearization allows precise compensation of non-ideal magnetic circuit errors |
| Stray-Field Immunity | Configurable via option code; MLX90377GGO-ADB-310-TU uses Standard/Legacy Mode with inherent robustness against external EMI |
| ASIL-C Functional Safety | Validated for (fast) SENT, PWM, SPC outputs; includes built-in diagnostics, watchdogs, and fault reporting per ISO 26262 |
| 48-bit Unique ID | Factory-programmed serial number enables traceability, secure firmware updates, and anti-counterfeiting |
Applications
| Pedal Position Sensing | Throttle Position Sensing |
|---|---|
Use Scenario: Real-time monitoring of accelerator or brake pedal angular displacement in ICE and hybrid powertrains. IC Role / Device Role / Timing Role: Absolute rotary position sensor providing 12-bit analog/PWM feedback to engine control unit with ≤1.2 ms latency. Use Value: Enables closed-loop torque control with ±0.5° accuracy across -40°C to 160°C, meeting ASIL-C requirements for drivetrain safety. |
Use Scenario: Detection of throttle valve opening angle in gasoline direct injection systems. IC Role / Device Role / Timing Role: High-speed magnetic position transducer delivering synchronized analog and PWM outputs for redundant ECU input. Use Value: Dual-die TSSOP-16 architecture supports cross-checked outputs, eliminating single-point failure in emission-critical air-fuel ratio control. |
| Ride Height Control | Steering Wheel Angle |
Use Scenario: Monitoring suspension travel distance in adaptive damping and active ride height systems. IC Role / Device Role / Timing Role: Linear position sensor using off-axis magnet configuration to convert stroke into absolute displacement signal. Use Value: Programmable measurement range and 12-bit resolution support ±50 mm full-scale with sub-millimeter repeatability. |
Use Scenario: Determining absolute steering wheel rotational position for electronic stability control (ESC) and lane-keeping assist. IC Role / Device Role / Timing Role: Rotary position sensor operating in 0–360° range with continuous absolute output and no homing requirement. Use Value: Triaxis® technology eliminates sensitivity to magnet misalignment, reducing calibration effort and improving long-term reliability in column-mounted assemblies. |
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 |
|---|---|---|---|
| MLX90371GGO-ADB-310-TU | Single-die TSSOP-16; identical analog/PWM High Speed Mode but lacks dual-die isolation and ASIL-C certification | Suitable for non-safety-critical industrial position sensing where cost optimization is prioritized over redundancy | Select when functional safety certification is not required and PCB layout space allows single-die footprint |
| AMS AS5055A-BQFT | 14-bit resolution, SPI interface only; no native analog/PWM output; requires external DAC or MCU processing | Used in high-precision industrial encoders where digital bus integration outweighs need for direct analog drive | Choose when system already includes SPI-capable microcontroller and higher resolution justifies added complexity |
Compared with MLX90377GGO-ADB-310-TU, the MLX90371 alternative reduces cost and power but sacrifices ASIL-C compliance and fault isolation, while the AS5055A offers higher resolution at the expense of analog/PWM simplicity and automotive qualification.
Availability
MLX90377GGO-ADB-310-TU is available at Aetrix Electronics and suitable for automotive pedal position sensing, throttle control systems, and ride height adjustment requiring stable component supply across extended temperature ranges and functional safety compliance.
Supply support for MLX90377GGO-ADB-310-TU 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 customer base.
The MLX90377 product line delivers Triaxis®-based absolute position sensing for automotive powertrain and chassis systems, designed specifically to replace potentiometers and resolver-based solutions with non-contact, high-reliability alternatives.
FAQ
What output protocols does the MLX90377GGO-ADB-310-TU support?
The MLX90377GGO-ADB-310-TU is factory-configured for Analog ratiometric and PWM output in High Speed Mode, per option code ADB-310. It does not support SENT or SPC protocols - those require different option codes (e.g., ADB-330 or ADB-380). The analog output is 0.5–4.5 V ratiometric to VDD, and PWM provides 12-bit resolution with programmable frequency and duty cycle scaling.
Is the MLX90377GGO-ADB-310-TU pin-compatible with earlier Triaxis® sensors?
No - the MLX90377GGO-ADB-310-TU uses a TSSOP-16 dual-die package with dedicated VDD1/VSS1/VDEC1 and VDD2/VSS2/VDEC2 pins, differing from SOIC-8 or DMP-4 footprints. While functionally backward-compatible in signal behavior, its 16-pin layout and isolation requirements mandate unique PCB layout; it is not a drop-in replacement for SOIC-8 MLX90377 variants.
How does the MLX90377GGO-ADB-310-TU achieve ASIL-C compliance?
The MLX90377GGO-ADB-310-TU achieves ASIL-C capability for PWM output through dual-die hardware redundancy in the TSSOP-16 package, independent clock domains, built-in diagnostic monitors (watchdogs, memory ECC, signal path checks), and fault-reporting via dedicated diagnostic pins. Its Safety Element out of Context (SEooC) documentation and FMEDA data are provided in Melexis' ISO 26262 safety manual.
What is the maximum allowable magnetic field strength for the MLX90377GGO-ADB-310-TU?
The MLX90377GGO-ADB-310-TU operates within ±1 T (±10,000 Gauss) magnetic flux density per axis (Bx, By, Bz), as specified in the Absolute Maximum Ratings table. Exceeding this may cause saturation or permanent parametric shift. For reliable operation, magnetic circuit design should maintain peak fields below 0.8 T to preserve linearity and accuracy across temperature.
Can the MLX90377GGO-ADB-310-TU be reprogrammed in-system for different output modes?
No - the MLX90377GGO-ADB-310-TU is factory-programmed with fixed output mode (Analog + PWM, High Speed) and cannot be reconfigured in-field. Output protocol, transfer curve, and stray-field immunity mode are set during final test and stored in one-time-programmable NVRAM. Changing functionality requires ordering the appropriate option code (e.g., ADB-330 for SENT).
MLX90377GGO-ADB-310-TU Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Melexis Technologies NV
- Package/Case:
- 16-TSSOP (0.173", 4.40mm Width)
- Series:
- -
- Packaging:
- Tube
- 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:
- Surface Mount
- Termination Style:
- Gull Wing
- Operating Temperature:
- -40°C ~ 160°C
- Grade:
- -
- Qualification:
- -
- Supplier Device Package:
- 16-TSSOP
MLX90377GGO-ADB-310-TU FAQ
1.How can I place an order for MLX90377GGO-ADB-310-TU through Aetrix?
Please submit a Request for Quotation (RFQ) for MLX90377GGO-ADB-310-TU 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 MLX90377GGO-ADB-310-TU reliable?
The price and inventory of MLX90377GGO-ADB-310-TU are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MLX90377GGO-ADB-310-TU is usually 5 days.
3.What payment methods are accepted for MLX90377GGO-ADB-310-TU?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MLX90377GGO-ADB-310-TU transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MLX90377GGO-ADB-310-TU?
MLX90377GGO-ADB-310-TU orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MLX90377GGO-ADB-310-TU 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 MLX90377GGO-ADB-310-TU?
For technical support, including MLX90377GGO-ADB-310-TU datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MLX90377GGO-ADB-310-TU requirements.
6.How does Aetrix verify that MLX90377GGO-ADB-310-TU is sourced from the original manufacturer or authorized distributors?
All MLX90377GGO-ADB-310-TU 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 MLX90377GGO-ADB-310-TU meets industry standards.
7.What is the process for return or replacement of MLX90377GGO-ADB-310-TU?
All MLX90377GGO-ADB-310-TU units undergo pre-shipment inspection (PSI). If there is an issue with MLX90377GGO-ADB-310-TU, 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 MLX90377GGO-ADB-310-TU part is unused and in its original packaging.
Return procedure for MLX90377GGO-ADB-310-TU:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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