Melexis Technologies NV MLX90372GVS-ACE-208-SP

Overview

MLX90372GVS-ACE-208-SP from Melexis is a monolithic Triaxis® Hall-based magnetic position processor IC for absolute rotary and linear position sensing. It delivers SENT or PWM output, operates from -40°C to +160°C, features ISO26262 ASIL-C safety compliance, and uses a PCB-less DMP-4 package with Pinout-B configuration optimized for stray-field immunity in automotive throttle and pedal applications.

For engineers reviewing the MLX90372GVS-ACE-208-SP datasheet, pinout, applications, or equivalent options, this page provides verified functional context, validated DMP-4 Pinout-B terminal roles, confirmed SENT/PWM timing modes, and real-world automotive sensor use cases aligned with SAE J2716 APR2016 and AEC-Q100 qualification.

Technical Context

The MLX90372GVS-ACE-208-SP implements a Triaxis® Hall front end sensitive to Bx, By, and Bz magnetic field components, enabling robust absolute angle or linear displacement decoding without physical contact. Its on-chip DSP performs advanced signal conditioning-including programmable piecewise linear (PWL) transfer characteristics with up to 32 points-and supports both SENT (3µs tick, Fast/Normal modes) and PWM output protocols.

Configured as ACE-208, it operates in Standard/Legacy mode (-300 code family), uses DMP-4 Pinout-B (Input pin enabled for NTC/analog gateway), and integrates built-in decoupling capacitors per section 15.3. The device meets ISO26262 ASIL-C as a Safety Element out of Context and is AEC-Q100 qualified for automotive environments.

Key Specifications

Pinout & Package

DMP-4 (PCB-less dual mold) package with Pinout-B configuration: compact 4-terminal surface-mount form factor requiring no PCB substrate; terminals are pre-formed and solderable directly to host board.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar magnetic position sensing applications.

Compared with MLX90372GVS-ACE-208-SP, the MLX90371 alternative sacrifices ASIL-C compliance and diagnostic depth for lower unit cost, while the AMS AS5055A requires external processing to replicate SENT output-neither offers the same integrated stray-field immunity, DMP-4 mechanical robustness, or plug-and-play automotive qualification.

Availability

MLX90372GVS-ACE-208-SP is available at Aetrix Electronics and suitable for automotive throttle position sensing, pedal position monitoring, and steering angle measurement requiring stable component supply across extended temperature ranges and long production lifecycles.

Supply support for MLX90372GVS-ACE-208-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 MLX90372 product line delivers Triaxis®-based absolute position sensing ICs designed specifically for high-reliability, safety-critical automotive applications including powertrain, chassis, and ADAS subsystems.

FAQ

What output protocols does the MLX90372GVS-ACE-208-SP support?

The MLX90372GVS-ACE-208-SP supports both SENT (SAE J2716 APR2016 compliant) and PWM output protocols, selectable via end-user programming. SENT operates in Normal (3 µs tick) or Fast (1.5 µs tick) mode with secure sensor format including 48-bit ID and CRC. PWM provides configurable duty cycle mapping to position, with built-in filtering and diagnostics. Both outputs are implemented in hardware-no external MCU is required for protocol generation.

How is the MLX90372GVS-ACE-208-SP configured for stray-field immunity?

The MLX90372GVS-ACE-208-SP achieves stray-field immunity through its Triaxis® Hall architecture and factory-programmed Standard/Legacy mode (ACE-208 option code). This mode uses hardware-level orthogonal field rejection and on-chip DSP filtering tuned for environments with strong interfering magnetic fields-such as near electric motors or high-current cables-without requiring external shielding or differential sensor pairing.

What is the function of the Input pin on the MLX90372GVS-ACE-208-SP DMP-4 Pinout-B package?

On the MLX90372GVS-ACE-208-SP DMP-4 Pinout-B package, the Input pin serves as a configurable interface for either an NTC thermistor (enabling temperature compensation of magnetic sensitivity) or an analog/digital gateway (allowing auxiliary sensor data injection). It is not used for test or programming in standard operation and is fully supported in the ACE-208 configuration per section 3.4 and 15.3 of the datasheet.

Does the MLX90372GVS-ACE-208-SP require external decoupling capacitors?

No, the MLX90372GVS-ACE-208-SP does not require external decoupling capacitors when used in the DMP-4 package. Section 15.3 of the datasheet confirms built-in capacitors are integrated into the DMP-4 molding for both analog and digital supply rails. This eliminates the need for discrete 100 nF and 10 µF capacitors typically required with SOIC-8 or TSSOP-16 variants, reducing PCB area and improving mechanical robustness in high-vibration environments.

What safety certifications apply to the MLX90372GVS-ACE-208-SP?

The MLX90372GVS-ACE-208-SP is certified to ISO26262 ASIL-C as a Safety Element out of Context (SEooC) and qualified to AEC-Q100 Grade 0. It includes dual watchdog timers (IWD/AWD), memory ECC, diagnostic cycle timers, and hardware error detection-fully documented in the MLX90372 Safety Manual (Rev. 8). These features enable its use in safety-critical automotive subsystems without requiring additional safety hardware layers.