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Melexis Technologies NV MLX90372GDC-ACE-100-SP
- Part No.:
- MLX90372GDC-ACE-100-SP
- Manufacturer:
- Melexis Technologies NV
- Category:
- Angle, Linear Position Measuring
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
MLX90372GDC-ACE-100-SP.pdf
- Description:
- SENSOR ROTARY 360DEG SMD
- Quantity:
- Payment:
- Shipping:
Inventory:2,757
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Product details
Overview
MLX90372GDC-ACE-100-SP from Melexis is a monolithic Triaxis® Hall-based absolute position processor IC in SOIC-8 package, delivering stray-field immune angular rotary position sensing with SENT 3µs output, ISO26262 ASIL-C safety compliance, and operation from −40°C to +160°C. It decodes magnet angle (0–360°) using Bx/By/Bz field components and supports programmable linear transfer characteristics for automotive pedal and throttle position sensing.
For engineers reviewing the MLX90372GDC-ACE-100-SP datasheet, pinout, applications, or equivalent options, this page delivers verified functional context, SOIC-8 terminal mapping, SENT timing constraints, stray-field immunity specifications, and validated alternatives for AEC-Q100-compliant non-contact position sensing designs.
Technical Context
The MLX90372GDC-ACE-100-SP implements a Triaxis® Hall front end with integrated IMC, 12-bit ADC, DSP engine, and SENT/PWM output stage. Its architecture enables robust absolute angle measurement by simultaneously processing orthogonal magnetic flux density components (Bx, By, Bz), eliminating reliance on external magnets or mechanical wipers.
This variant uses the ACE chip revision and -100 option code, configuring it specifically for Angular Rotary Strayfield Immune mode with low-field sensitivity (±25 mT full-scale), SENT 3µs frame timing, and factory-programmed linear transfer characteristic using 4-point PWL interpolation - all validated per SAE J2716 APR2016.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Operating Temp | −40°C to +160°C - qualified for under-hood automotive environments without derating |
| Supply Voltage | 4.5 V to 5.5 V - regulated mode compatible with standard 5 V automotive rail |
| Supply Current | 9.0–12.6 mA - optimized for low-power rotary sensing in battery-constrained systems |
| Output Protocol | SENT 3 µs tick time - compliant with SAE J2716 APR2016, enabling secure sensor data with CRC and diagnostics |
| Magnetic Range | ±25 mT - calibrated for stray-field immune angular rotary detection with minimal external shielding |
| Accuracy | ±0.5° typical total error - includes INL, DNL, thermal drift, and assembly variation over full temperature range |
| Safety Certification | ISO26262 ASIL-C SEooC - provides safety element out of context for integration into ASIL-B/C systems |
Pinout & Package
SOIC-8 package (RoHS-compliant, 150 mil width), surface-mount, with exposed pad optional per Melexis design guidelines. Pin 4 (N.C.) and pins 2/3 (Input/Test) are internally grounded and must be connected to PCB ground for EMC compliance.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 - VDD | Power supply input | Accepts 4.5–5.5 V regulated supply; internal regulator generates 3.3 V analog rail (VDEC) |
| 2 - Input | Test or auxiliary input | Internally grounded; connect to PCB ground to suppress EMI coupling |
| 3 - Test | Test or auxiliary input | Internally grounded; connect to PCB ground to suppress EMI coupling |
| 4 - N.C. | No connection | Not bonded; must be tied to ground for optimal EMC performance |
| 5 - OUT | Digital output | Push-pull SENT output (3 µs tick); supports open-drain PWM via configuration |
| 6 - VSS | Digital ground | Reference for digital logic and SENT timing; separate from analog ground |
| 7 - VDEC | Analog decoupling | Connect 100 nF ceramic capacitor to VSS for stable internal 3.3 V analog supply |
| 8 - VSS | Analog ground | Reference for Hall front end and ADC; keep isolated from digital ground at PCB level |
Key Features
| Feature | Design Value |
|---|---|
| Triaxis® Hall Sensing | Simultaneous Bx/By/Bz measurement enables true 3D magnetic field decoding for contactless 0–360° angle output |
| Stray-Field Immunity | Configured for ±25 mT angular rotary mode (-100 code), rejecting interference from nearby motors or solenoids |
| SENT 3 µs Compliance | SAE J2716 APR2016-compliant frames with embedded CRC, error codes, and user-defined payload fields |
| Programmable Transfer Curve | Factory-set 4-point piecewise linear (PWL) mapping ensures precise linearity across mechanical travel range |
| AEC-Q100 Grade 0 | Qualified per AEC-Q100 Rev-G for automotive applications including powertrain and chassis control modules |
Applications
| Pedal Position Sensing | Throttle Position Sensing |
|---|---|
Use Scenario: Real-time detection of accelerator or brake pedal angular displacement in ICE and hybrid powertrains. IC Role / Device Role / Timing Role: Absolute rotary position processor generating SENT frames every 960 µs with diagnostic status and 12-bit angle resolution. Use Value: Enables closed-loop torque control with <±0.5° accuracy and ASIL-C safety evidence for ISO26262-compliant ECU integration. | Use Scenario: Monitoring throttle valve rotation in gasoline direct injection engines under high-temperature hood conditions. IC Role / Device Role / Timing Role: Stray-field immune magnetic angle sensor interfacing directly to engine control unit via SENT bus. Use Value: Eliminates potentiometer wear and contact bounce while maintaining ±25 mT immunity against alternator EMI. |
| Steering Wheel Position Sensing | Ride Height Position Sensing |
Use Scenario: Measuring steering column rotation for EPS assist calculation and lane-keeping assist systems. IC Role / Device Role / Timing Role: High-reliability angular position source with fail-safe state activation within 11.2 ms after fault detection. Use Value: Supports ASIL-B system requirements through built-in watchdogs (IWD/AWD) and memory ECC protection. | Use Scenario: Detecting suspension travel in adaptive damping systems for luxury and commercial vehicles. IC Role / Device Role / Timing Role: Linear-to-rotary converted position sensor using off-axis magnet geometry and SOIC-8 PCB footprint. Use Value: Delivers repeatable 0–360° output with <1% INL over 10M cycles, independent of vibration or temperature cycling. |
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 |
|---|---|---|---|
| MLX90371GDC-ABF-100-SP | Legacy Triaxis® device with fixed 8-point PWL, no SENT 3 µs support - only PWM output | Lacks SAE J2716 compliance and ASIL-C safety documentation; limited diagnostics | Select only for cost-sensitive legacy redesigns where SENT is not required |
| AMS AS5055A-BQFT | 14-bit SPI-output rotary encoder IC with integrated magnet; no stray-field immunity tuning | Requires external magnet calibration; not AEC-Q100 qualified; no SENT interface | Prefer when higher resolution is needed and system-level EMI mitigation is feasible |
Compared with MLX90372GDC-ACE-100-SP, the MLX90371 offers lower integration and no functional safety evidence, while the AS5055A lacks automotive qualification and stray-field resilience - making MLX90372GDC-ACE-100-SP the sole choice for ASIL-C-compliant, SENT-based, high-immunity rotary sensing in production vehicles.
Availability
MLX90372GDC-ACE-100-SP is available at Aetrix Electronics and suitable for automotive pedal position sensing, throttle control systems, and steering angle monitoring requiring stable component supply across extended temperature ranges and long product lifecycles.
Supply support for MLX90372GDC-ACE-100-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 global manufacturing and AEC-Q100 validation infrastructure.
The MLX90372 product line delivers Triaxis®-based absolute position processors for non-contacting, high-reliability angular and linear sensing in automotive powertrain, chassis, and ADAS subsystems.
FAQ
What is the magnetic field range supported by the MLX90372GDC-ACE-100-SP?
The MLX90372GDC-ACE-100-SP is configured for Angular Rotary Strayfield Immune mode with a full-scale magnetic range of ±25 mT, optimized to reject interference from adjacent current-carrying conductors or motors while maintaining high linearity and repeatability across its 0–360° output range.
Does the MLX90372GDC-ACE-100-SP support both SENT and PWM outputs?
Yes, the MLX90372GDC-ACE-100-SP supports selectable SENT (3 µs tick, SAE J2716 APR2016 compliant) or PWM output modes. Factory configuration for this part sets SENT as default; PWM can be enabled via end-user programming using Melexis' PTC software and compatible programmer hardware.
Is the MLX90372GDC-ACE-100-SP qualified for automotive use?
Yes, the MLX90372GDC-ACE-100-SP is AEC-Q100 Grade 0 qualified (−40°C to +160°C) and certified as an ISO26262 ASIL-C Safety Element out of Context (SEooC), providing documented safety mechanisms, fault coverage analysis, and diagnostic capability for integration into ASIL-B or ASIL-C systems.
What package type does the MLX90372GDC-ACE-100-SP use?
The MLX90372GDC-ACE-100-SP uses the SOIC-8 package (code DC), RoHS-compliant, with 150 mil body width and standard gull-wing leads. Pin 4 is unconnected and must be grounded on PCB; pins 2 and 3 are internally grounded test terminals also requiring PCB ground connection.
Can the transfer characteristic of the MLX90372GDC-ACE-100-SP be reprogrammed in-system?
Yes, the MLX90372GDC-ACE-100-SP supports in-system programming of its transfer characteristic (e.g., 4- or 8-point PWL, or 16-/32-point curve) via SENT command interface using Melexis' PTC software and compatible programming tool - no disassembly or reflow required.
MLX90372GDC-ACE-100-SP Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Melexis Technologies NV
- Package/Case:
- 8-SOIC (0.154", 3.90mm Width)
- Series:
- Triaxis®
- Packaging:
- Tube
- Product Status:
- Active
- Programmable:
- -
- For Measuring:
- Linear, Rotary Position
- Technology:
- Hall Effect
- Rotation Angle - Electrical, Mechanical:
- 0° ~ 360°, Continuous
- Linear Range:
- -
- Output:
- PWM, 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:
- Gull Wing
- Operating Temperature:
- -40°C ~ 160°C
- Grade:
- -
- Qualification:
- -
- Supplier Device Package:
- 8-SOIC
MLX90372GDC-ACE-100-SP FAQ
1.How can I place an order for MLX90372GDC-ACE-100-SP through Aetrix?
Please submit a Request for Quotation (RFQ) for MLX90372GDC-ACE-100-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 MLX90372GDC-ACE-100-SP reliable?
The price and inventory of MLX90372GDC-ACE-100-SP are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MLX90372GDC-ACE-100-SP is usually 5 days.
3.What payment methods are accepted for MLX90372GDC-ACE-100-SP?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MLX90372GDC-ACE-100-SP transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MLX90372GDC-ACE-100-SP?
MLX90372GDC-ACE-100-SP orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MLX90372GDC-ACE-100-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 MLX90372GDC-ACE-100-SP?
For technical support, including MLX90372GDC-ACE-100-SP datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MLX90372GDC-ACE-100-SP requirements.
6.How does Aetrix verify that MLX90372GDC-ACE-100-SP is sourced from the original manufacturer or authorized distributors?
All MLX90372GDC-ACE-100-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 MLX90372GDC-ACE-100-SP meets industry standards.
7.What is the process for return or replacement of MLX90372GDC-ACE-100-SP?
All MLX90372GDC-ACE-100-SP units undergo pre-shipment inspection (PSI). If there is an issue with MLX90372GDC-ACE-100-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 MLX90372GDC-ACE-100-SP part is unused and in its original packaging.
Return procedure for MLX90372GDC-ACE-100-SP:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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