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Melexis Technologies NV MLX90377GGO-ADB-230-SP
- Part No.:
- MLX90377GGO-ADB-230-SP
- Manufacturer:
- Melexis Technologies NV
- Category:
- Angle, Linear Position Measuring
- Package:
- 16-TSSOP (0.173", 4.40mm Width)
- Datasheet:
-
MLX90377GGO-ADB-230-SP.pdf
- Description:
- TRIAXIS POSITION SENSOR - PERFOR
- Quantity:
- Payment:
- Shipping:
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Product details
Overview
MLX90377GGO-ADB-230-SP from Melexis is a Triaxis® monolithic magnetic position sensor IC designed for absolute linear or rotary position sensing in harsh automotive environments. It delivers 12-bit SENT output with 3 μs tick time, operates from −40 °C to +160 °C, features stray-field immunity, and supports ASIL-C functional safety compliance for SENT mode.
For engineers reviewing the MLX90377GGO-ADB-230-SP datasheet, pinout, applications, or equivalent options, key selection criteria include SENT protocol timing (3 μs tick), linear stray-field immune magnetic configuration, TSSOP-16 dual-die package, and ASIL-C safety qualification - all critical for pedal, throttle, and ride height sensing in ISO 26262-compliant systems.
Technical Context
The MLX90377GGO-ADB-230-SP implements Triaxis® Hall technology to measure Bx, By, and Bz magnetic field components simultaneously, enabling robust absolute position decoding without mechanical contact. Its on-chip DSP performs real-time signal conditioning, piecewise-linearization (up to 32 segments), and SENT frame encoding with CRC and diagnostic nibbles.
This variant uses the Linear Stray-Field Immune Mode (Option Code ADB-230), optimized for linear displacement applications where external magnetic interference must be rejected. It employs a dual-die TSSOP-16 package with isolated ground paths (Risol ≥ 4 MΩ) and supports programmable startup behavior via PTC voltage thresholds (VPROV0 = 6.3–6.8 V).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Protocol | SAE J2716 APR2016 SENT with 3 μs tick time - enables high-resolution, error-checked digital transmission over single wire. |
| Resolution | 12-bit position data - delivers ≤ 0.1° angular or ≤ 0.025 mm linear resolution depending on magnet geometry and calibration. |
| Operating Temp | −40 °C to +160 °C - qualified for under-hood and transmission-mounted automotive positions without derating. |
| Safety Rating | ISO 26262 ASIL-C capable (SENT mode) - certified as Safety Element out of Context (SEooC) with documented fault handling time interval. |
| Magnetic Immunity | Linear Stray-Field Immune Mode - rejects orthogonal interfering fields up to ±1 T while maintaining accuracy on primary axis. |
| Supply Range | 4.5 V to 18 V - supports direct battery connection with reverse polarity and overvoltage protection (−14 V to +37 V absolute max). |
| Startup Time | Tstup ≤ 10 ms (SENT mode) - ensures rapid system readiness after ignition, with configurable initialization frames before valid angle output. |
Pinout & Package
TSSOP-16 dual-die package with internal isolation between dies; requires separate decoupling per die and grounding of all N.C./Test pins for EMC compliance.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDEC1 / VDEC2 | Decoupling | Dedicated ceramic capacitor pads per die - mandatory 100 nF X7R near each VDEC to suppress high-frequency noise and ensure SENT timing stability. |
| VDD1 / VDD2 | Power Supply | Independent supply inputs per die - enables redundancy monitoring; both must be powered identically for functional safety operation. |
| VSS1 / VSS2 | Ground Reference | Isolated ground planes per die - provides ≥4 MΩ inter-die isolation for fault containment in ASIL-C architectures. |
| OUT1 / OUT2 | Digital Output | Push-pull SENT outputs - support 10–55 kΩ pull-up loads; OUT1 carries primary data, OUT2 may be configured for diagnostics or redundancy. |
| Input1 / Input2 | Test Interface | Factory test access points - not user-accessible in final design; recommended tied to VSS for noise immunity. |
| N.C. | No Connection | Unbonded pins - must be connected to VSS per Melexis EMC guidelines to minimize radiated emissions. |
Key Features
| Feature | Design Value |
|---|---|
| Triaxis® 3D Sensing | Simultaneous Bx/By/Bz measurement enables true absolute position without multi-turn ambiguity or homing sequences. |
| Programmable PWL Transfer | Up to 32-point piecewise-linearization stored in NVRAM - corrects nonlinearity from magnet tolerances and mechanical misalignment. |
| Stray-Field Immunity | Linear mode rejects interference from adjacent motors or solenoids - validated per ISO 11452-8 with ±1 T orthogonal field exposure. |
| SENT Diagnostics | Embedded status & communication nibble (SCN) reports CRC errors, sensor faults, and temperature warnings in every frame. |
| ASIL-C Ready Architecture | Dual-die isolation, watchdog timers, memory ECC, and fault injection test modes - fulfills SEooC requirements without external safety MCU. |
Applications
| Pedal Position Sensing | Throttle Position Sensing |
|---|---|
Use Scenario: Monitoring accelerator or brake pedal angle in ECU-controlled drive-by-wire systems. IC Role / Device Role / Timing Role: Primary absolute position transducer delivering SENT frames at 125 Hz with <10 ms latency for real-time torque mapping. Use Value: Eliminates potentiometer wear and contact bounce; stray-field immunity prevents false readings near 12 V harnesses and starter relays. | Use Scenario: Closed-loop control of engine air intake via electronic throttle body actuation. IC Role / Device Role / Timing Role: Redundant position feedback source synchronized to ECU PWM command cycles with ASIL-C diagnostic coverage. Use Value: Dual-die TSSOP-16 enables cross-checking between OUT1/OUT2 outputs - meets ASIL-C fault detection requirements for powertrain safety goals. |
| Ride Height Control | Steering Wheel Angle Sensing |
Use Scenario: Active suspension systems adjusting vehicle height based on road profile and load conditions. IC Role / Device Role / Timing Role: Linear displacement sensor mounted on air spring linkage, reporting position via SENT with 3 μs tick for sub-millisecond update fidelity. Use Value: Linear stray-field immune mode rejects interference from nearby ABS wheel speed sensors and chassis wiring bundles. | Use Scenario: Determining driver steering input for EPS assist, lane-keeping, and ADAS path planning. IC Role / Device Role / Timing Role: Absolute 0–360° rotary position encoder with zero-degree reference retention after power cycling. Use Value: On-chip NVRAM stores calibrated transfer function - no re-learning required at ignition-on; SENT output ensures deterministic ECU sampling. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar magnetic position sensing applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MLX90377GGO-ADB-330-SP | Standard/Legacy Mode (not stray-field immune); same SENT protocol, 3 μs tick, TSSOP-16 package. | Used in lower-interference environments (e.g., interior HVAC flaps); lacks linear stray-field rejection capability. | Select only if magnetic environment is controlled and cost optimization outweighs field immunity requirement. |
| MLX90377GVS-ADB-230-SP | DMP-4 package (4-pin, PCB-less); identical Linear Stray-Field Immune Mode and SENT output, but single-die construction. | Targeted for space-constrained linear actuators where dual-die redundancy is unnecessary; no inter-die isolation. | Choose when board area is critical and ASIL-C dual-die redundancy is not mandated by system safety architecture. |
Compared with MLX90377GGO-ADB-230-SP, the ADB-330 variant sacrifices stray-field immunity for legacy compatibility, while the DMP-4 ADB-230 reduces footprint and cost but removes die-level fault isolation - making the TSSOP-16 dual-die version uniquely suited for ASIL-C linear position sensing where both environmental robustness and hardware redundancy are required.
Availability
MLX90377GGO-ADB-230-SP is available at Aetrix Electronics and suitable for pedal position sensing, throttle control, and ride height adjustment requiring stable component supply across automotive production lifecycles.
Supply support for MLX90377GGO-ADB-230-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 intelligent sensors and wireless RF chips for automotive and industrial markets, with core expertise in magnetic sensing and embedded signal processing.
The MLX90377 product line delivers Triaxis® 3D Hall-based absolute position sensing for safety-critical automotive applications including drive-by-wire, active suspension, and steering systems - engineered to meet ISO 26262 ASIL-C requirements without external safety controllers.
FAQ
What output protocol does the MLX90377GGO-ADB-230-SP use, and is it configurable?
The MLX90377GGO-ADB-230-SP uses SAE J2716 APR2016 SENT output with fixed 3 μs tick time and is not user-reprogrammable to other protocols. The ADB-230 option code permanently configures the device for Linear Stray-Field Immune Mode and SENT operation - output mode is set at factory and cannot be changed in-system.
Does the MLX90377GGO-ADB-230-SP support functional safety certification, and at what ASIL level?
Yes, the MLX90377GGO-ADB-230-SP is ISO 26262 ASIL-C capable for SENT output mode as a Safety Element out of Context (SEooC). This includes documented fault handling time intervals, built-in diagnostics (CRC, SCN, watchdog), and dual-die isolation in the TSSOP-16 package - all verified per Melexis safety manual Rev. 003.
What is the operating temperature range of the MLX90377GGO-ADB-230-SP, and how is it validated?
The MLX90377GGO-ADB-230-SP operates from −40 °C to +160 °C, qualified per AEC-Q100 Grade 0. Electrical specifications in the datasheet (Table 10) are guaranteed across this full range, with thermal drift parameters (e.g., ΔFCK,T ≤ ±2.5%) measured and specified at extremes to ensure SENT timing integrity in under-hood environments.
How does the Linear Stray-Field Immune Mode in the MLX90377GGO-ADB-230-SP improve performance in noisy magnetic environments?
The Linear Stray-Field Immune Mode (ADB-230) uses differential Triaxis® front-end processing and adaptive filtering to reject orthogonal magnetic interference up to ±1 T while preserving sensitivity on the primary axis. This is validated per ISO 11452-8 and enables reliable operation near high-current cables, solenoids, or motors - unlike standard-mode variants such as MLX90377GGO-ADB-330-SP.
What package type and pin count does the MLX90377GGO-ADB-230-SP use, and why is it significant for safety designs?
The MLX90377GGO-ADB-230-SP uses a TSSOP-16 package with dual-die construction and ≥4 MΩ inter-die isolation. This physical separation enables independent monitoring of two redundant position channels - a key requirement for ASIL-C architectures where fault containment and cross-die comparison are mandated for fail-operational behavior.
MLX90377GGO-ADB-230-SP Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Melexis Technologies NV
- Package/Case:
- 16-TSSOP (0.173", 4.40mm 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:
- SENT
- 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:
- SMD (SMT) Tab
- Operating Temperature:
- -40°C ~ 160°C
- Grade:
- -
- Qualification:
- -
- Supplier Device Package:
- 16-TSSOP
MLX90377GGO-ADB-230-SP FAQ
1.How can I place an order for MLX90377GGO-ADB-230-SP through Aetrix?
Please submit a Request for Quotation (RFQ) for MLX90377GGO-ADB-230-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 MLX90377GGO-ADB-230-SP reliable?
The price and inventory of MLX90377GGO-ADB-230-SP 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-230-SP is usually 5 days.
3.What payment methods are accepted for MLX90377GGO-ADB-230-SP?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MLX90377GGO-ADB-230-SP transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MLX90377GGO-ADB-230-SP?
MLX90377GGO-ADB-230-SP orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MLX90377GGO-ADB-230-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 MLX90377GGO-ADB-230-SP?
For technical support, including MLX90377GGO-ADB-230-SP datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MLX90377GGO-ADB-230-SP requirements.
6.How does Aetrix verify that MLX90377GGO-ADB-230-SP is sourced from the original manufacturer or authorized distributors?
All MLX90377GGO-ADB-230-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 MLX90377GGO-ADB-230-SP meets industry standards.
7.What is the process for return or replacement of MLX90377GGO-ADB-230-SP?
All MLX90377GGO-ADB-230-SP units undergo pre-shipment inspection (PSI). If there is an issue with MLX90377GGO-ADB-230-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 MLX90377GGO-ADB-230-SP part is unused and in its original packaging.
Return procedure for MLX90377GGO-ADB-230-SP:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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