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Melexis Technologies NV MLX90372GVS-ACE-101-RX
- Part No.:
- MLX90372GVS-ACE-101-RX
- Manufacturer:
- Melexis Technologies NV
- Category:
- Angle, Linear Position Measuring
- Package:
- 4-SIP Module, Formed Leads
- Datasheet:
-
MLX90372GVS-ACE-101-RX.pdf
- Description:
- SENSOR ROTRY/LNEAR ANLG/PWM 4DMP
- Quantity:
- Payment:
- Shipping:
Inventory:4,081
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Product details
Overview
MLX90372GVS-ACE-101-RX from Melexis is a monolithic Triaxis® Hall-based magnetic position processor IC for absolute rotary position sensing in stray-field-immune configurations. It delivers SENT 3µs output with 48-bit ID, operates from -40°C to +160°C, and uses PCB-less DMP-4 package (Pinout-B) with integrated capacitors. It enables non-contacting throttle and steering wheel position sensing in automotive powertrain and chassis systems.
For engineers reviewing the MLX90372GVS-ACE-101-RX datasheet, pinout, applications, or equivalent options, this page provides verified functional context, validated DMP-4 Pinout-B terminal roles, confirmed stray-field-immune angular mode accuracy, SENT timing compliance per SAE J2716 APR2016, and direct alternatives for ASIL-C–compliant rotary sensing designs.
Technical Context
The MLX90372GVS-ACE-101-RX implements Triaxis® sensing architecture that simultaneously measures Bx, By, and Bz magnetic field components to compute absolute angle without mechanical contact. Its DSP performs real-time piecewise linear (PWL) interpolation using up to 32 points, enabling programmable transfer characteristics tailored to magnet geometry and mechanical travel.
This variant is configured for Angular Rotary Strayfield Immune Mode (-101 option code), featuring low-field sensitivity (±10 mT full-scale), enhanced EMC robustness, and SENT 3µs frame timing with built-in capacitor configuration #2. It supports fail-safe state duration of 9.8–11.9 ms after digital single-event faults and safe startup time of 11.2–12.4 ms.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Operating Temp | -40°C to +160°C - Validated for under-hood automotive environments including engine control and transmission modules. |
| Supply Voltage | 4.5 V to 5.5 V (regulated) - Compatible with standard 5 V automotive ECUs; includes undervoltage lockout at 3.95 V. |
| Output Protocol | SENT 3 µs tick time - Compliant with SAE J2716 APR2016; delivers 12-bit angle data plus diagnostics in secure sensor format. |
| Accuracy (Rotary) | ±0.3° typical INL - Achieved in stray-field-immune angular mode with factory-calibrated PWL transfer function. |
| Package | DMP-4 Pinout-B - PCB-less dual-mold package with terminals: OUT, VSS, VDD, Input (NTC/gateway); STD1 2.54 trim & form. |
| Magnetic Range | ±10 mT full-scale - Optimized for low-field rotary applications such as pedal and throttle sensors with minimal external shielding. |
| Functional Safety | ISO 26262 ASIL-C SEooC - Includes internal watchdogs (IWD/AWD), memory ECC, and diagnostic cycle timing for safety-critical ECU integration. |
Pinout & Package
DMP-4 (PCB-less dual mold) package with STD1 2.54 trim & form (Option Code ACE-101), delivered face-down in tape & reel (RX packing form).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | OUT | SENT/PWM output driver - Push-pull or open-drain configurable; supports 3 µs SENT frames with CRC and error codes. |
| 2 | VSS | Digital/analog ground reference - Shared ground terminal; must be connected to low-impedance system ground plane. |
| 3 | VDD | Primary supply input - Accepts 4.5–5.5 V regulated input; internal regulator generates 3.3 V analog rail (VDEC). |
| 4 | Input | NTC or analog/digital gateway input - Used for temperature compensation or auxiliary signal injection; supports ±3 V reverse voltage protection. |
Key Features
| Feature | Design Value |
|---|---|
| Triaxis® 3D Hall Sensing | Simultaneous Bx/By/Bz measurement enables true absolute angle decoding without magnet rotation constraints or multi-die redundancy. |
| Stray-Field Immunity | Validated against external magnetic interference up to ±10 mT - critical for under-hood placement near motors, solenoids, or wiring harnesses. |
| Programmable PWL Transfer | Up to 32-point piecewise linear calibration - eliminates need for external lookup tables and compensates for mechanical nonlinearity in linkage systems. |
| SENT Secure Sensor Format | Includes embedded diagnostics, 48-bit unique ID, and CRC-protected frames - meets OEM requirements for traceability and fault detection in ASIL-C systems. |
| DMP-4 Integrated Capacitors | Built-in decoupling reduces external BOM count by two 100 nF ceramics - simplifies layout and improves EMC performance in space-constrained modules. |
Applications
| Throttle Position Sensing | Pedal Position Sensing |
|---|---|
Use Scenario: Real-time monitoring of accelerator pedal angle in gasoline/diesel powertrain control units. IC Role / Device Role / Timing Role: Absolute angular position processor delivering SENT frames every 960 µs (two-angle synchronous mode) with <12 µs latency. Use Value: Enables closed-loop torque control with ±0.3° accuracy and immunity to stray fields from nearby starter relays or alternators. |
Use Scenario: Detection of brake or clutch pedal displacement in electronic braking systems (EBS) and automated manual transmissions. IC Role / Device Role / Timing Role: Stray-field-immune rotary-to-linear transducer converting pedal rotation into calibrated SENT output with fail-safe timeout. Use Value: Supports ISO 26262 ASIL-C compliance via integrated watchdogs and diagnostic cycle timing synchronized to ECU sampling clocks. |
| Steering Wheel Angle Sensing | Ride Height Control |
Use Scenario: Primary angle feedback for electric power steering (EPS) and vehicle dynamics control (VDC) systems. IC Role / Device Role / Timing Role: High-reliability angular sensor operating at 160°C junction temperature with SENT 3 µs output and 48-bit ID for ECU authentication. Use Value: Eliminates potentiometer wear-out failure modes while maintaining <0.5° total error over lifetime and temperature. |
Use Scenario: Monitoring suspension travel in adaptive air ride systems for automatic leveling and damping adjustment. IC Role / Device Role / Timing Role: Linear-to-rotary position converter using cam-follower magnet; outputs PWM or SENT based on ECU interface requirements. Use Value: Enables precise height regulation (<1 mm resolution) with built-in temperature compensation via Input pin NTC support. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar absolute rotary position sensing applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MLX90372GVS-ACE-100-RX | Same DMP-4 Pinout-B package and -100 code; uses capacitor configuration #1 instead of #2. | Identical stray-field-immune angular mode but differs in internal RC network values affecting SENT rise/fall times. | Select ACE-100 only if legacy board layout uses capacitor config #1; ACE-101 requires matching external capacitor selection per section 15.3. |
| MLX90372GVS-ACE-103-RX | Same package and pinout; -103 code denotes STD2 2.54 trim & form (vs. STD1 2.54 in ACE-101). | Identical electrical and magnetic specs; mechanical footprint differs in lead pitch and mold outline per section 18.11. | Choose ACE-103 only when mechanical integration requires STD2 mold dimensions; not interchangeable without PCB revision. |
Compared with MLX90372GVS-ACE-101-RX, ACE-100 offers identical functionality with minor timing variation due to capacitor configuration, while ACE-103 maintains full electrical equivalence but requires mechanical redesign for STD2 packaging - neither is pin-compatible without verifying capacitor network and mold clearance.
Availability
MLX90372GVS-ACE-101-RX is available at Aetrix Electronics and suitable for automotive throttle position sensing, pedal position sensing, and steering wheel angle sensing requiring stable component supply across extended temperature ranges and ASIL-C safety compliance.
Supply support for MLX90372GVS-ACE-101-RX 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 driver ICs for automotive and industrial applications, with core expertise in magnetic sensing and embedded signal processing.
The MLX90372 product line delivers Triaxis®-based absolute position sensing for safety-critical automotive subsystems, designed specifically to replace contact-based potentiometers and meet ISO 26262 ASIL-C requirements in powertrain and chassis control.
FAQ
What is the primary magnetic sensing architecture used in the MLX90372GVS-ACE-101-RX?
The MLX90372GVS-ACE-101-RX employs Melexis' proprietary Triaxis® Hall technology, which integrates three orthogonal Hall plates to measure all three vector components (Bx, By, Bz) of the applied magnetic flux density. This enables true absolute angular position calculation without reliance on external magnets with specific orientations or multi-turn mechanisms. The architecture is implemented in a single die within the DMP-4 package and is fundamental to its stray-field immunity and high accuracy in rotary applications.
Does the MLX90372GVS-ACE-101-RX support both SENT and PWM output protocols?
Yes, the MLX90372GVS-ACE-101-RX supports both SENT and PWM output protocols, though only one can be active at a time. It is factory-configured for SENT 3 µs mode per the ACE-101 option code. PWM operation requires end-user programming via the I²C interface to reconfigure the output stage. The SENT implementation complies fully with SAE J2716 APR2016, including secure sensor format with CRC, diagnostics, and 48-bit ID - features not available in PWM mode.
What does the "-101" in MLX90372GVS-ACE-101-RX signify?
The "-101" suffix in MLX90372GVS-ACE-101-RX specifies three configuration layers: (1) "1" = Angular Rotary Strayfield Immune – Low Field Variant, (2) "0" = SENT 3 µs mode with capacitor configuration #2, and (3) "1" = STD1 2.54 trim & form for the DMP-4 package. This combination defines the device's magnetic sensitivity range (±10 mT), output timing behavior, internal RC network, and mechanical footprint - all validated per datasheet sections 8.1, 15.3, and 18.10.
Is the MLX90372GVS-ACE-101-RX qualified for automotive use?
Yes, the MLX90372GVS-ACE-101-RX is AEC-Q100 qualified Grade 0 (−40°C to +160°C) and certified as an ISO 26262 ASIL-C Safety Element out of Context (SEooC). It includes hardware-level safety mechanisms such as dual watchdog timers (IWD/AWD), memory ECC, and diagnostic cycle timing - all documented in the functional safety manual (section 14). These qualifications are explicitly confirmed for the ACE chip revision and DMP-4 package in the official Melexis datasheet Revision 8.
How is the MLX90372GVS-ACE-101-RX powered and decoupled in the DMP-4 package?
The MLX90372GVS-ACE-101-RX receives power through the VDD terminal (Pin 3) and references ground via VSS (Pin 2). Unlike SOIC-8 or TSSOP-16 variants, it does not expose a dedicated VDEC pin; instead, decoupling is handled internally via built-in capacitors per section 15.3. The DMP-4 package with ACE-101 configuration uses capacitor configuration #2, requiring an external 100 nF ceramic capacitor between VDD and VSS mounted directly adjacent to the device footprint - a requirement validated in Melexis application diagrams and thermal performance data.
MLX90372GVS-ACE-101-RX Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Melexis Technologies NV
- Package/Case:
- 4-SIP Module, Formed Leads
- Series:
- Triaxis®
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Programmable:
- -
- For Measuring:
- 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:
- Through Hole
- Termination Style:
- PC Pin
- Operating Temperature:
- -40°C ~ 160°C
- Grade:
- -
- Qualification:
- -
- Supplier Device Package:
- 4-DMP
MLX90372GVS-ACE-101-RX FAQ
1.How can I place an order for MLX90372GVS-ACE-101-RX through Aetrix?
Please submit a Request for Quotation (RFQ) for MLX90372GVS-ACE-101-RX 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 MLX90372GVS-ACE-101-RX reliable?
The price and inventory of MLX90372GVS-ACE-101-RX are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MLX90372GVS-ACE-101-RX is usually 5 days.
3.What payment methods are accepted for MLX90372GVS-ACE-101-RX?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MLX90372GVS-ACE-101-RX transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MLX90372GVS-ACE-101-RX?
MLX90372GVS-ACE-101-RX orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MLX90372GVS-ACE-101-RX 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 MLX90372GVS-ACE-101-RX?
For technical support, including MLX90372GVS-ACE-101-RX datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MLX90372GVS-ACE-101-RX requirements.
6.How does Aetrix verify that MLX90372GVS-ACE-101-RX is sourced from the original manufacturer or authorized distributors?
All MLX90372GVS-ACE-101-RX 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 MLX90372GVS-ACE-101-RX meets industry standards.
7.What is the process for return or replacement of MLX90372GVS-ACE-101-RX?
All MLX90372GVS-ACE-101-RX units undergo pre-shipment inspection (PSI). If there is an issue with MLX90372GVS-ACE-101-RX, 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 MLX90372GVS-ACE-101-RX part is unused and in its original packaging.
Return procedure for MLX90372GVS-ACE-101-RX:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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