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Melexis Technologies NV MLX90372GGO-ACE-300-RE
- Part No.:
- MLX90372GGO-ACE-300-RE
- Manufacturer:
- Melexis Technologies NV
- Category:
- Angle, Linear Position Measuring
- Package:
- 16-TSSOP (0.173", 4.40mm Width)
- Datasheet:
-
MLX90372GGO-ACE-300-RE.pdf
- Description:
- SENSOR ROTARY 360DEG SMD
- Quantity:
- Payment:
- Shipping:
Inventory:2,222
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Product details
Overview
MLX90372GGO-ACE-300-RE from Melexis is a Triaxis® monolithic magnetic position processor IC for absolute rotary and linear position sensing. It integrates a 3-axis Hall front end, DSP-based signal conditioning, and SENT/PWM output. Operating from -40°C to +160°C with AEC-Q100 qualification and ISO 26262 ASIL-C safety compliance, it delivers robust non-contact sensing in automotive throttle, pedal, and steering wheel applications.
For engineers reviewing the MLX90372GGO-ACE-300-RE datasheet, pinout, applications, or equivalent options, this page provides verified package mapping (TSSOP-16), SENT v4.0/SAE J2716 APR2016 compliance, dual-die redundancy, stray-field immunity in legacy mode, and real-world accuracy specs per application configuration.
Technical Context
The MLX90372GGO-ACE-300-RE implements full dual-die redundancy in TSSOP-16 packaging, with isolated analog/digital grounds (VSS1/VSS2) and independent supply paths (VDD1/VDD2, VDEC1/VDEC2). Its Triaxis® architecture measures Bx, By, and Bz components to compute absolute angle or linear displacement without mechanical wear.
It supports two timing modes: asynchronous acquisition (588 µs typical measurement period) for PWM and continuous SENT, and synchronous acquisition aligned to SENT frame boundaries (960 µs typical frame period at 3 µs tick). Output is configurable as SENT (SAE J2716 APR2016 compliant) or PWM with programmable transfer characteristics (up to 32-point PWL).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Operating Temp | -40°C to +160°C - Enables under-hood automotive deployment without external thermal derating. |
| Supply Voltage | 4.5–5.5 V (regulated) or 6–18 V (battery) - Dual-mode supply supports both 5 V microcontroller domains and direct battery interfacing. |
| Output Interface | SENT (SAE J2716 APR2016) or PWM - Configurable via programming; SENT includes CRC, diagnostics, and 48-bit ID. |
| Accuracy (Legacy Mode) | ±0.5° typical angular error over full 360° range - Validated for standard rotary/linear configurations (-300 option code). |
| Stray-Field Immunity | Validated for legacy mode (-300) - Resists external magnetic interference up to ±1 T without calibration loss. |
| Functional Safety | ISO 26262 ASIL-C SEooC - Includes watchdog timers (IWD/AWD), memory ECC, and diagnostic cycle timing (DCTANA = 34 × TangleMeas). |
| Package | TSSOP-16 - Dual-die layout enables full hardware redundancy; isolation resistance >4 MΩ between dice. |
Pinout & Package
TSSOP-16 package with full dual-die redundancy: two independent sensor dies sharing no analog/digital resources except shared OUT pins; requires separate decoupling (VDEC1/VDEC2) and ground routing (VSS1/VSS2) for functional safety compliance.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 9 | VDEC1 / VDEC2 | Dedicated decoupling pins per die - Must be connected to local 100 nF ceramic capacitors near each VDD pin. |
| 2, 10 | VSS1 / VSS2 | Separate analog grounds per die - Routing must avoid shared traces to maintain isolation integrity. |
| 3, 11 | VDD1 / VDD2 | Independent power supplies per die - Enables fault containment; supply current doubles vs. single-die versions. |
| 4, 12 | Input1 / Input2 | Test/application pins - Internally grounded in operation; connect to PCB ground for EMC compliance. |
| 5, 13 | Test2 / Test1 | Factory test access - Not user-accessible in final design; tie to ground. |
| 6, 15 | OUT2 / OUT1 | Redundant digital outputs - Driven simultaneously; external OR-ing or voting logic required for fail-safe interpretation. |
| 7, 14 | N.C. | No internal connection - Must remain unconnected; avoid routing traces or vias. |
| 8, 16 | VSS2 / VSS1 | Digital grounds per die - Electrically distinct from analog grounds; routed separately to system ground plane. |
Key Features
| Feature | Design Value |
|---|---|
| Dual-die TSSOP-16 redundancy | Full hardware separation of signal chains enables ASIL-C decomposition; isolation resistance >4 MΩ meets ISO 26262 requirements. |
| Programmable SENT/PWM output | User-configurable frame format, CRC inclusion, and diagnostics reporting - Eliminates need for external protocol translation. |
| Triaxis® 3D magnetic sensing | Simultaneous Bx/By/Bz measurement enables absolute angle calculation from magnet rotation or linear motion - No moving contacts or potentiometers required. |
| Stray-field immune legacy mode (-300) | Validated operation in ±1 T external fields without recalibration - Critical for engine bay environments with high-current cables or solenoids. |
| End-user programmable transfer curve | Up to 32-point PWL or 8-point multi-segment linearization - Enables precise compensation for magnet nonlinearity and mechanical tolerances. |
Applications
| Throttle Position Sensing | Pedal Position Sensing |
|---|---|
Use Scenario: Real-time detection of accelerator or brake pedal angular displacement in passenger vehicles. IC Role / Device Role / Timing Role: Absolute position processor delivering SENT frames at 100 Hz update rate with CRC-protected diagnostics. Use Value: ±0.5° accuracy ensures precise engine torque mapping and brake-by-wire control without contact wear or hysteresis drift. | Use Scenario: Non-contact sensing of pedal rotation in electric power-assisted braking systems. IC Role / Device Role / Timing Role: Redundant position input for ASIL-C brake control ECU using dual-die TSSOP-16 output voting. Use Value: Dual-die isolation and watchdog timers enable safe degradation to limp-home mode upon single-die failure. |
| Steering Wheel Position Sensing | Ride Height Position Sensing |
Use Scenario: Absolute angular measurement of steering column rotation for EPS and ADAS yaw estimation. IC Role / Device Role / Timing Role: High-immunity Triaxis® sensor operating in engine compartment with stray fields from alternators and motors. Use Value: Stray-field immunity (-300 mode) maintains ±0.5° accuracy despite 0.8 T external interference - eliminates shielding cost. | Use Scenario: Linear displacement monitoring of suspension travel in adaptive damping systems. IC Role / Device Role / Timing Role: Linear position processor with programmable PWL transfer curve compensating for cam geometry nonlinearities. Use Value: 32-point piecewise linearization reduces system-level INL from ±2% to ±0.3%, enabling closed-loop damper control. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar magnetic position sensing applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MLX90371GGO-DCD-000-RE | Single-die TSSOP-16, no redundancy, lower ASIL rating (ASIL-B), identical -300 legacy mode accuracy. | Lacks dual-die isolation and failsafe diagnostics - suitable only for ASIL-B or non-safety-critical subsystems. | Select when cost sensitivity outweighs ASIL-C requirement and system-level redundancy is implemented externally. |
| AMS AS5055A-BQFT | Single-die 12-bit SPI-output magnetic encoder, no SENT/PWM, ±0.8° typical accuracy, -40°C to +125°C. | Requires external MCU for protocol handling and diagnostics; limited temperature range excludes under-hood use. | Choose for space-constrained industrial encoders where SPI interface and smaller QFN package are prioritized over automotive qualification. |
Compared with MLX90372GGO-ACE-300-RE, the MLX90371 offers cost savings but forfeits hardware-level redundancy and ASIL-C compliance, while the AS5055A lacks automotive temperature range, SENT output, and stray-field immunity - making MLX90372GGO-ACE-300-RE the sole option meeting full AEC-Q100, ISO 26262, and engine-bay environmental requirements.
Availability
MLX90372GGO-ACE-300-RE is available at Aetrix Electronics and suitable for automotive throttle position, pedal sensing, and steering angle applications requiring stable component supply across extended temperature ranges and functional safety compliance.
Supply support for MLX90372GGO-ACE-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 design centers in Europe and Asia and ISO/TS 16949-certified manufacturing.
The MLX90372 belongs to Melexis' Triaxis® position processor product line, engineered specifically for high-reliability, non-contact absolute position sensing in automotive powertrain and chassis systems where contactless durability and ASIL-C compliance are mandatory.
FAQ
What is the operating temperature range of the MLX90372GGO-ACE-300-RE?
The MLX90372GGO-ACE-300-RE operates from -40°C to +160°C, validated per AEC-Q100 Grade 0. This range supports direct mounting in engine compartments and transmission housings without external thermal management. The specification applies to the full TSSOP-16 dual-die variant and is confirmed in Table 8 of the official datasheet revision 8.
Does the MLX90372GGO-ACE-300-RE support SENT output, and which SAE J2716 version is implemented?
Yes, the MLX90372GGO-ACE-300-RE supports SENT output compliant with SAE J2716 APR2016 (version 4.0). It delivers 12-bit position data plus CRC, status flags, and user-defined diagnostics in standard or fast (1.5 µs tick) mode. This is documented in Section 11.1 and Table 14 of the datasheet.
What does the "-300" option code signify in MLX90372GGO-ACE-300-RE?
The "-300" option code denotes Legacy / Angular Rotary or Linear position mode - the standard configuration supporting both 0–360° absolute angle and linear displacement sensing with ±0.5° typical accuracy and validated stray-field immunity. It is explicitly defined in Table 2 and Section 8.4 of the datasheet.
Is the MLX90372GGO-ACE-300-RE pin-compatible with earlier MLX90372 revisions in TSSOP-16?
Yes, the MLX90372GGO-ACE-300-RE maintains identical pinout, electrical behavior, and footprint with prior GGO-packaged MLX90372 variants (e.g., ACC-coded versions). Pin definitions are unchanged per Section 3.2 and Table 5 of the datasheet, ensuring drop-in replacement for legacy designs.
How is functional safety implemented in the MLX90372GGO-ACE-300-RE?
The MLX90372GGO-ACE-300-RE achieves ISO 26262 ASIL-C as a Safety Element out of Context (SEooC) via dual-die redundancy, independent watchdog timers (IWD/AWD), memory ECC, CRC-protected SENT frames, and diagnostic cycle timing (DCTANA/DCTDIG). These mechanisms are detailed in Sections 14.1–14.2 and Table 12 of the datasheet.
MLX90372GGO-ACE-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:
- 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:
- 16-TSSOP
MLX90372GGO-ACE-300-RE FAQ
1.How can I place an order for MLX90372GGO-ACE-300-RE through Aetrix?
Please submit a Request for Quotation (RFQ) for MLX90372GGO-ACE-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 MLX90372GGO-ACE-300-RE reliable?
The price and inventory of MLX90372GGO-ACE-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 MLX90372GGO-ACE-300-RE is usually 5 days.
3.What payment methods are accepted for MLX90372GGO-ACE-300-RE?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MLX90372GGO-ACE-300-RE transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MLX90372GGO-ACE-300-RE?
MLX90372GGO-ACE-300-RE orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MLX90372GGO-ACE-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 MLX90372GGO-ACE-300-RE?
For technical support, including MLX90372GGO-ACE-300-RE datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MLX90372GGO-ACE-300-RE requirements.
6.How does Aetrix verify that MLX90372GGO-ACE-300-RE is sourced from the original manufacturer or authorized distributors?
All MLX90372GGO-ACE-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 MLX90372GGO-ACE-300-RE meets industry standards.
7.What is the process for return or replacement of MLX90372GGO-ACE-300-RE?
All MLX90372GGO-ACE-300-RE units undergo pre-shipment inspection (PSI). If there is an issue with MLX90372GGO-ACE-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 MLX90372GGO-ACE-300-RE part is unused and in its original packaging.
Return procedure for MLX90372GGO-ACE-300-RE:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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