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Melexis Technologies NV MLX90377GGO-ADB-300-RE
- Part No.:
- MLX90377GGO-ADB-300-RE
- Manufacturer:
- Melexis Technologies NV
- Category:
- Angle, Linear Position Measuring
- Package:
- 16-TSSOP (0.173", 4.40mm Width)
- Datasheet:
-
MLX90377GGO-ADB-300-RE.pdf
- Description:
- SENSOR MAGNET POSITION 16TSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:1,569
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Product details
Overview
MLX90377GGO-ADB-300-RE from Melexis is a monolithic Triaxis® Hall-based absolute position sensor IC in TSSOP-16 dual-die package, operating from -40°C to 160°C with analog/PWM output in low-power mode, 12-bit resolution, and ASIL-B functional safety compliance for analog output. It decodes 3D magnetic flux (Bx/By/Bz) to deliver robust rotary or linear position sensing in automotive pedal and throttle systems.
For engineers reviewing the MLX90377GGO-ADB-300-RE datasheet, pinout, applications, or equivalent options, key selection criteria include its TSSOP-16 dual-die isolation, SENT/PWM/analog/SPC output configurability, stray-field immunity modes, ISO26262 ASIL-B certification for analog output, and programmable piecewise-linear transfer characteristic.
Technical Context
The MLX90377GGO-ADB-300-RE implements Triaxis® Hall front-end sensing of Bx, By, and Bz magnetic components, coupled with on-chip DSP for real-time angle calculation and NVRAM-programmable transfer functions. Its dual-die TSSOP-16 architecture provides galvanic isolation (≥4 MΩ between dies) and supports redundant safety architectures.
This variant operates in Standard/Legacy Mode with analog/PWM output and low-power configuration, delivering 12-bit resolution across 0–360° rotary or full-scale linear displacement. It uses internal 12 MHz main clock (±3.5% total drift) and supports programmable filtering, diagnostics, and 48-bit ID storage.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Resolution | 12-bit (4096 steps), enabling ±0.09° angular accuracy over 360° range |
| Operating Temperature | -40°C to +160°C, qualified for under-hood automotive environments |
| Supply Voltage Range | 4.5 V to 5.5 V (regulated) or 6 V to 18 V (battery), supporting direct vehicle battery connection |
| Supply Current | 8–11.5 mA in Legacy Mode (-30x code), optimized for low-power ECU subsystems |
| Functional Safety | ISO26262 ASIL-B capable for analog output mode as Safety Element out of Context |
| Magnetic Sensing | Triaxis® 3-axis Hall front-end with integrated IMC, enabling contactless absolute position detection without mechanical wear |
| Output Protocols | Configurable analog ratiometric or PWM output; SENT/SPC not enabled in ADB-300 variant |
Pinout & Package
TSSOP-16 dual-die package with 0.65 mm pitch, 5.0 × 4.4 mm body size, and exposed thermal pad; supports galvanic isolation between two independent sensor dies.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDEC1 | Decoupling pin die1 | Local 100 nF ceramic capacitor placement required for stable analog supply to die 1 |
| VSS1 | Ground die1 | Reference return path for die 1; must be connected to system ground with low-inductance trace |
| VDD1 | Supply die1 | Primary power input for die 1; accepts 4.5–18 V with reverse polarity protection |
| Input1 | Test/external measurement | Factory test access; not intended for end-user signal routing |
| Test2 | Factory test | No user connection; tie to GND for EMC per datasheet recommendation |
| OUT2 | Output die2 | Active analog/PWM output from second die; enables redundancy or differential reporting |
| N.C. | Not connected | Internally unconnected; recommended to tie to GND for EMC integrity |
| VDEC2 | Decoupling pin die2 | Independent decoupling node for die 2; requires dedicated 100 nF capacitor |
| VSS2 | Ground die2 | Isolated ground reference for die 2; galvanically separated from VSS1 per Table 9 |
| VDD2 | Supply die2 | Independent power rail for die 2; supports fault-containment in dual-die safety schemes |
| Input2 | Test/external measurement | Duplicate test interface for die 2; no functional role in application circuit |
| Test1 | Factory test | Reserved for production testing; connect to GND per EMC guidance |
| OUT1 | Output die1 | Main analog/PWM output channel; synchronized with OUT2 for cross-checking in ASIL-B systems |
Key Features
| Feature | Design Value |
|---|---|
| Dual-die TSSOP-16 isolation | ≥4 MΩ inter-die isolation enables independent fault monitoring and ASIL-C redundant architectures |
| Programmable transfer function | Supports 4-, 8-, 16-, or 32-point piecewise-linear calibration for custom mechanical linkage compensation |
| Stray-field immunity modes | Standard/Legacy Mode (-3xx) ensures robust operation in magnetically noisy engine compartments |
| On-chip diagnostics | Includes broken-wire detection (VDD/VSS), watchdog timers, and CRC-protected NVRAM for field reliability |
| Temperature-compensated output | Internal temperature sensor and DSP correction maintain <±1.5° error across full -40°C to +160°C range |
Applications
| Pedal Position Sensing | Throttle Position Sensing |
|---|---|
Use Scenario: Monitoring accelerator or brake pedal angular displacement in electric/hybrid powertrains. IC Role / Device Role / Timing Role: Absolute rotary position sensor providing real-time 12-bit analog/PWM feedback to vehicle ECU with <10 ms latency. Use Value: Enables precise torque mapping and regenerative braking control while meeting ASIL-B requirements via dual-die redundancy. | Use Scenario: Detecting throttle valve rotation in gasoline/diesel engines for air-fuel ratio management. IC Role / Device Role / Timing Role: Contactless angular transducer delivering ratiometric analog output synchronized to engine control cycle. Use Value: Eliminates potentiometer wear-out failure mode and maintains ±0.5° accuracy over 10M+ actuation cycles. |
| Ride Height Control | Steering Wheel Angle Sensing |
Use Scenario: Measuring suspension travel in adaptive damping and active ride height systems. IC Role / Device Role / Timing Role: Linear position sensor converting magnet displacement into calibrated analog voltage proportional to stroke length. Use Value: Supports closed-loop suspension control with <0.2 mm repeatability and immunity to chassis-mounted stray fields. | Use Scenario: Tracking steering wheel rotation for EPS assist torque calculation and lane-keeping systems. IC Role / Device Role / Timing Role: High-accuracy absolute angle encoder with dual-die output for redundancy-critical ADAS functions. Use Value: Delivers fail-operational capability through isolated OUT1/OUT2 channels and ASIL-B certified diagnostics. |
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-300-RE | SOIC-8 single-die package; no inter-die isolation; lower thermal dissipation rating | Suitable for non-redundant, cost-sensitive applications where ASIL-C is not required | Select when board space allows SOIC-8 and dual-die isolation is unnecessary |
| MLX90377GVS-ADB-300-RE | DMP-4 PCB-less package with straight leads; 4-pin footprint; no VDEC pins | Optimized for ultra-compact, high-vibration environments like transmission sensors | Choose for space-constrained mounting where decoupling capacitors are placed externally |
Compared with MLX90377GGO-ADB-300-RE, the SOIC-8 variant lacks galvanic isolation for safety redundancy, while the DMP-4 version sacrifices on-package decoupling and die separation-making the TSSOP-16 optimal for ASIL-B dual-channel monitoring in critical drivetrain positions.
Availability
MLX90377GGO-ADB-300-RE is available at Aetrix Electronics and suitable for automotive pedal position sensing, throttle control, and ride height adjustment requiring stable component supply across extended temperature ranges and long product lifecycles.
Supply support for MLX90377GGO-ADB-300-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-certified manufacturing and global automotive Tier-1 partnerships.
The MLX90377 product line delivers Triaxis® 3D Hall position sensing for contactless, high-accuracy angular and linear measurement in safety-critical automotive systems including powertrain, chassis, and ADAS.
FAQ
What output protocols does the MLX90377GGO-ADB-300-RE support?
The MLX90377GGO-ADB-300-RE is configured for Standard/Legacy Mode with analog ratiometric and PWM output only. SENT and SPC protocols are disabled in this ADB-300 option; switching requires ordering ADB-330 or ADB-380 variants. The analog output scales ratiometrically with VDD (0.1–0.9×VDD), while PWM delivers 12-bit resolution with configurable frequency and duty cycle. Both outputs operate in low-power mode per the -300 option code.
How does the dual-die architecture of MLX90377GGO-ADB-300-RE improve functional safety?
The MLX90377GGO-ADB-300-RE's TSSOP-16 package integrates two independent sensor dies with ≥4 MΩ galvanic isolation between VSS1/VSS2 and VDD1/VDD2. This enables cross-die comparison for fault detection, supports ASIL-B compliance via Safety Element out of Context, and allows redundant signal paths without shared failure modes-critical for pedal and throttle applications where single-point failures must be detected within defined fault-handling time intervals.
Can the MLX90377GGO-ADB-300-RE be reprogrammed to change output mode after soldering?
No. The MLX90377GGO-ADB-300-RE output protocol is permanently fixed by the ADB-300 option code during factory programming and cannot be altered in the field. Reprogramming is limited to transfer function calibration, diagnostics settings, and identification data-not protocol selection. To use SENT or SPC, the MLX90377GGO-ADB-300-RE must be replaced with MLX90377GGO-ADB-330-RE or MLX90377GGO-ADB-380-RE, respectively, as confirmed in Table 1 of the datasheet.
What is the startup time behavior of MLX90377GGO-ADB-300-RE in analog mode?
In analog mode, the MLX90377GGO-ADB-300-RE enters High-Z state at power-on and begins valid output only after internal regulation stabilizes and angle computation completes. Startup time is defined as the interval from VDD crossing VDDstartH (3.95–4.25 V) to first valid analog voltage transmission, typically ≤5 ms at 25°C with 5 V supply. During startup, OUT1 and OUT2 remain high-impedance to prevent erroneous ECU readings, as specified in Section 7.2.1 of the datasheet.
Does MLX90377GGO-ADB-300-RE require external decoupling capacitors?
Yes. The MLX90377GGO-ADB-300-RE requires two 100 nF ceramic capacitors-one each between VDEC1 and VSS1, and VDEC2 and VSS2-as explicitly mandated in Section 3.2 of the datasheet. These capacitors stabilize the internal analog regulators for each die and are essential for noise immunity and ASIL-B compliance. Omitting them degrades accuracy, increases susceptibility to EMI, and violates the recommended application diagram in Section 16.2.
MLX90377GGO-ADB-300-RE Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Melexis Technologies NV
- Package/Case:
- 16-TSSOP (0.173", 4.40mm Width)
- 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:
- Surface Mount
- Termination Style:
- Gull Wing
- Operating Temperature:
- -40°C ~ 160°C
- Grade:
- -
- Qualification:
- -
- Supplier Device Package:
- 16-TSSOP
MLX90377GGO-ADB-300-RE FAQ
1.How can I place an order for MLX90377GGO-ADB-300-RE through Aetrix?
Please submit a Request for Quotation (RFQ) for MLX90377GGO-ADB-300-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 MLX90377GGO-ADB-300-RE reliable?
The price and inventory of MLX90377GGO-ADB-300-RE 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-300-RE is usually 5 days.
3.What payment methods are accepted for MLX90377GGO-ADB-300-RE?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MLX90377GGO-ADB-300-RE transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MLX90377GGO-ADB-300-RE?
MLX90377GGO-ADB-300-RE orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MLX90377GGO-ADB-300-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 MLX90377GGO-ADB-300-RE?
For technical support, including MLX90377GGO-ADB-300-RE datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MLX90377GGO-ADB-300-RE requirements.
6.How does Aetrix verify that MLX90377GGO-ADB-300-RE is sourced from the original manufacturer or authorized distributors?
All MLX90377GGO-ADB-300-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 MLX90377GGO-ADB-300-RE meets industry standards.
7.What is the process for return or replacement of MLX90377GGO-ADB-300-RE?
All MLX90377GGO-ADB-300-RE units undergo pre-shipment inspection (PSI). If there is an issue with MLX90377GGO-ADB-300-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 MLX90377GGO-ADB-300-RE part is unused and in its original packaging.
Return procedure for MLX90377GGO-ADB-300-RE:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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