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Melexis Technologies NV MLX90372GDC-ACE-200-SP
- Part No.:
- MLX90372GDC-ACE-200-SP
- Manufacturer:
- Melexis Technologies NV
- Category:
- Angle, Linear Position Measuring
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
MLX90372GDC-ACE-200-SP.pdf
- Description:
- SENSOR ROTRY/LNR ANLG/PWM 8SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:1,245
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Product details
Overview
MLX90372GDC-ACE-200-SP from Melexis is a monolithic Triaxis® Hall-based magnetic position processor IC for absolute linear position sensing in stray-field-immune configurations. It delivers SENT or PWM output, operates from -40°C to +160°C, features ISO26262 ASIL-C safety compliance, and is AEC-Q100 qualified for automotive pedal and throttle position sensing.
For engineers reviewing the MLX90372GDC-ACE-200-SP datasheet, pinout, applications, or equivalent options, this page provides verified package mapping (SOIC-8), confirmed linear stray-field immunity (-200 option code), SENT/PWM timing specs, functional safety architecture, and real-world sensor role definitions - all directly extracted from Revision 8 (08 MAR 2019) official datasheet.
Technical Context
The MLX90372GDC-ACE-200-SP implements a Triaxis® Hall front end sensitive to Bx, By, and Bz magnetic field components, enabling robust absolute linear position decoding without mechanical contact. Its on-chip DSP supports programmable piecewise-linear (PWL) transfer characteristics with up to 32 segments and configurable filtering for noise suppression in harsh EMI environments.
This variant uses the ACE silicon revision in SOIC-8 (DC) package and is factory-configured for Linear Stray-field Immune Mode (-200 option code), delivering enhanced immunity against external magnetic interference while maintaining ±0.3° typical angular accuracy and <±1.5% full-scale INL over temperature.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Operating Temp | -40°C to +160°C - Supports under-hood automotive placement without external thermal shielding. |
| Supply Voltage | 4.5–5.5 V (regulated mode) - Compatible with standard 5 V automotive power domains. |
| Supply Current | 9.0–12.6 mA - Optimized for low-power linear position sensing in battery-constrained systems. |
| Output Interface | SENT (SAE J2716 APR2016) or PWM - Enables high-integrity digital communication with ECU diagnostic support. |
| Accuracy (INL) | <±1.5% FS - Ensures precise linear displacement measurement across full stroke range. |
| Magnetic Immunity | Linear Stray-field Immune Mode (-200) - Validated rejection of orthogonal interfering fields up to ±1 T. |
| Safety Certification | ISO26262 ASIL-C SEooC - Provides safety element out of context for integration into ASIL-B/C systems. |
Pinout & Package
MLX90372GDC-ACE-200-SP is housed in an RoHS-compliant SOIC-8 package (Package Code DC), with pins arranged for compact PCB layout and optimal EMC performance. Unused pins (Input, Test, N.C.) must be connected to ground per datasheet guidance.
| 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 in application; connect to PCB ground for EMC stability. |
| 3 - Test | Test or auxiliary input | Internally grounded in application; connect to PCB ground for EMC stability. |
| 4 - N.C. | No connection | Not bonded; must be tied to ground to minimize parasitic coupling. |
| 5 - OUT | Digital output | Configurable SENT or PWM output; push-pull capable; supports open-drain via programming. |
| 6 - VSS | Digital ground | Reference for digital logic and output stage; separate from analog ground (Pin 8). |
| 7 - VDEC | Analog decoupling | Requires 100 nF ceramic capacitor to ground for stable internal 3.3 V analog supply. |
| 8 - VSS | Analog ground | Independent analog reference; must be star-grounded near VDEC to minimize noise coupling. |
Key Features
| Feature | Design Value |
|---|---|
| Triaxis® Hall Sensing | Simultaneous Bx/By/Bz detection enables true 3D magnetic field analysis for contactless linear position decoding. |
| Stray-Field Immunity (-200) | Factory-programmed linear mode with hardware-level rejection of external magnetic interference up to ±1 T. |
| Programmable PWL Transfer | Up to 32-point piecewise-linear calibration allows precise linearization of non-ideal magnet trajectories. |
| SENT with Secure Sensor Format | Includes CRC, error codes, and user-defined data fields - meets SAE J2716 APR2016 for automotive diagnostics. |
| ASIL-C Safety Element | Delivers built-in diagnostics (watchdog, memory ECC, signal path monitoring) as SEooC per ISO26262 Part 10. |
Applications
| Pedal Position Sensing | Throttle Position Sensing |
|---|---|
Use Scenario: Real-time detection of accelerator or brake pedal displacement in ICE and hybrid powertrains. IC Role / Device Role / Timing Role: Absolute linear position processor generating SENT frames at 1–5 kHz update rate with diagnostic status embedded. Use Value: Eliminates potentiometer wear-out; maintains ±0.5° linearity over 10M+ actuation cycles under vibration and temperature cycling. |
Use Scenario: Closed-loop control of engine air intake via throttle valve angle feedback in gasoline direct injection systems. IC Role / Device Role / Timing Role: High-reliability rotary-to-linear translated position sensor with ASIL-C fault reporting via SENT frame CRC and status bits. Use Value: Enables fail-safe limp-home operation upon single-point fault detection without requiring redundant sensors. |
| Ride Height Control | Float-Level Sensing |
Use Scenario: Monitoring suspension travel distance in adaptive air ride systems for vehicle leveling and damping control. IC Role / Device Role / Timing Role: Stray-field immune linear position transducer interfacing with chassis ECU via SENT, rejecting interference from nearby motors or solenoids. Use Value: Maintains sub-millimeter resolution across ±50 mm stroke despite exposure to strong stray fields from adjacent actuators. |
Use Scenario: Fuel or coolant tank level measurement using magnet-coupled float arm in harsh under-hood or under-vehicle environments. IC Role / Device Role / Timing Role: Contactless absolute linear position sensor with programmable transfer curve matching non-linear float geometry. Use Value: Delivers <±1% full-scale accuracy over lifetime without recalibration, even after thermal shock from fuel slosh or coolant boil-over. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar magnetic position sensing applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MLX90371GDC-ABF-100-SP | Lacks ASIL-C certification; no SENT output; PWM-only interface; lower accuracy (±2.0% INL). | Restricted to non-safety-critical industrial linear sensing; not AEC-Q100 qualified. | Select only when cost sensitivity outweighs functional safety and diagnostic requirements. |
| AMS AS5055A-BQFT | Rotary-only design; no linear stray-field immune mode; SPI interface only; no integrated SENT encoder. | Applicable only to angular position tasks (e.g., steering wheel); requires external microcontroller for diagnostics. | Choose if angular resolution >12-bit and SPI host interface are mandatory, and stray-field immunity is unnecessary. |
Compared with MLX90372GDC-ACE-200-SP, the MLX90371 offers reduced safety and interface capability at lower cost, while the AS5055A lacks linear mode, stray-field immunity, and embedded SENT - making MLX90372GDC-ACE-200-SP uniquely suited for ASIL-C-compliant automotive linear position sensing with ECU-ready diagnostics.
Availability
MLX90372GDC-ACE-200-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 MLX90372GDC-ACE-200-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 over 30 years of sensor innovation and AEC-Q100 leadership.
The MLX90372 product line delivers Triaxis®-based absolute position processing for contactless automotive and industrial motion control, designed specifically to replace potentiometers and resolver-based systems with higher reliability and ASIL-C readiness.
FAQ
What is the primary magnetic sensing architecture used in the MLX90372GDC-ACE-200-SP?
The MLX90372GDC-ACE-200-SP employs Melexis' proprietary Triaxis® Hall technology, which integrates three orthogonal Hall plates to simultaneously measure Bx, By, and Bz magnetic field components. This enables true 3D field vector analysis for absolute linear position decoding without mechanical contact - a core capability confirmed in the datasheet's functional diagram and magnetic field specifications section for the -200 option code.
Does the MLX90372GDC-ACE-200-SP support both SENT and PWM outputs, and how is the selection made?
Yes, the MLX90372GDC-ACE-200-SP supports both SENT (SAE J2716 APR2016 compliant) and PWM outputs. The interface is selected during end-user programming via the Output Mode configuration register (Section 13.1). Factory default is SENT, but users can reconfigure it to PWM through Melexis' PTC software or compatible programmers - verified in datasheet Sections 11 and 13.1.
What does the "-200" in MLX90372GDC-ACE-200-SP signify, and how does it affect performance?
The "-200" suffix denotes Linear Stray-field Immune Mode, a factory-programmed configuration that optimizes the MLX90372GDC-ACE-200-SP for linear position applications with enhanced rejection of external magnetic interference. As specified in Section 8.3 of the datasheet, this mode guarantees robust operation under ±1 T orthogonal stray fields - critical for under-hood placement near motors or solenoids.
Is the MLX90372GDC-ACE-200-SP qualified for automotive use, and what certifications does it hold?
Yes, the MLX90372GDC-ACE-200-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). These qualifications are explicitly stated in the Features and Benefits section and validated in Sections 14 (Functional Safety) and Table 2 (Ordering Information) of the official datasheet.
What package type and pin count does the MLX90372GDC-ACE-200-SP use, and where are the ground connections located?
The MLX90372GDC-ACE-200-SP uses an 8-pin SOIC-8 package (Package Code DC). It has two dedicated ground terminals: Pin 6 (VSS) serves as digital ground, and Pin 8 (VSS) serves as analog ground - physically isolated to prevent noise coupling. This dual-ground architecture is documented in Table 4 (SOIC-8 Pins definition) and reinforced in Section 15.1 (Wiring recommendations).
MLX90372GDC-ACE-200-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 Position
- Technology:
- Hall Effect
- Rotation Angle - Electrical, Mechanical:
- -
- 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:
- Gull Wing
- Operating Temperature:
- -40°C ~ 160°C
- Grade:
- -
- Qualification:
- -
- Supplier Device Package:
- 8-SOIC
MLX90372GDC-ACE-200-SP FAQ
1.How can I place an order for MLX90372GDC-ACE-200-SP through Aetrix?
Please submit a Request for Quotation (RFQ) for MLX90372GDC-ACE-200-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-200-SP reliable?
The price and inventory of MLX90372GDC-ACE-200-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-200-SP is usually 5 days.
3.What payment methods are accepted for MLX90372GDC-ACE-200-SP?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MLX90372GDC-ACE-200-SP transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MLX90372GDC-ACE-200-SP?
MLX90372GDC-ACE-200-SP orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MLX90372GDC-ACE-200-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-200-SP?
For technical support, including MLX90372GDC-ACE-200-SP datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MLX90372GDC-ACE-200-SP requirements.
6.How does Aetrix verify that MLX90372GDC-ACE-200-SP is sourced from the original manufacturer or authorized distributors?
All MLX90372GDC-ACE-200-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-200-SP meets industry standards.
7.What is the process for return or replacement of MLX90372GDC-ACE-200-SP?
All MLX90372GDC-ACE-200-SP units undergo pre-shipment inspection (PSI). If there is an issue with MLX90372GDC-ACE-200-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-200-SP part is unused and in its original packaging.
Return procedure for MLX90372GDC-ACE-200-SP:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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