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Melexis Technologies NV MLX90367LDC-ACU-000-RE
- Part No.:
- MLX90367LDC-ACU-000-RE
- Manufacturer:
- Melexis Technologies NV
- Category:
- Angle, Linear Position Measuring
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
MLX90367LDC-ACU-000-RE.pdf
- Description:
- SENS RTY/LNR ANLG/PWM SENT 8SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:2,515
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Product details
Overview
MLX90367LDC-ACU-000-RE from Melexis is a Triaxis® Hall-effect position sensor IC delivering absolute rotary or linear position measurement via SENT output (SAE J2716-2010), with 12-bit resolution, 10-bit thermal accuracy, and programmable 3-point linear transfer characteristic. It operates from −40 °C to +150 °C in SOIC-8 package and is used in automotive throttle, pedal, and steering wheel position sensing.
For engineers reviewing the MLX90367LDC-ACU-000-RE datasheet, pinout, applications, or equivalent options, key selection criteria include SENT protocol compliance, thermal offset correction capability, 3-point LNR programmability, magnetic field sensitivity (BX/BY ≥ 70 mT), and SOIC-8 RoHS-compliant packaging for high-reliability automotive sensing.
Technical Context
The MLX90367LDC-ACU-000-RE integrates on-die signal processing to compute absolute angular or linear position from orthogonal (BX, BY) and parallel (BZ) magnetic flux components using CoRDiC-based rectangular-to-polar conversion. Its internal 16-bit RISC DSP runs at 10 MHz (2.5 MIPS) and supports factory-trimmed IMC gain calibration (k factor = 1–1.5).
It implements SENT output with Throttle Sensor Format frames (294 ticks/frame, 882 μs period), dual diagnostic channels (fast and slow), and configurable FIR filtering (FILTER = 0/1/2). The ACU-000 variant uses 3-point LNR programming (LNRS0, LNRAX–LNRCS) and excludes thermal output offset correction-distinguishing it from ACX variants.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Interface | SENT (SAE J2716-2010), Throttle Sensor Format - enables direct connection to automotive ECUs without external ADC or protocol translation. |
| Resolution & Accuracy | 12-bit resolution, 10-bit thermal accuracy - delivers ≤ ±0.3° angular error over −40 °C to +150 °C in rotary applications. |
| Magnetic Sensitivity | BX/BY ≥ 70 mT, BZ ≥ 126 mT - ensures robust operation with standard NdFeB magnets at air gaps up to 4 mm. |
| Operating Temperature | −40 °C to +150 °C (L-grade) - qualified for under-hood automotive locations including throttle bodies and suspension modules. |
| Supply Voltage | 4.5 V to 5.5 V - compatible with standard 5 V automotive power domains; reverse voltage protection to −12 V. |
| Package | SOIC-8, RoHS-compliant - surface-mount footprint with 1.27 mm pitch; optimized for automated assembly and thermal cycling reliability. |
| Programmability | 3-point LNR transfer curve (AxU version), EEPROM-configurable clamping, discontinuity point, and clock direction - enables end-of-line calibration without hardware changes. |
Pinout & Package
MLX90367LDC-ACU-000-RE is housed in an 8-pin SOIC package (package code "DC") with exposed pad not electrically connected. Pin 1 is VDD; pins 2, 3, 4, and 6 are test pads recommended to be tied to ground for EMC compliance; pin 5 is SENT output; pin 7 is digital supply (VDIG); pin 8 is ground (VSS).
| Pin | Circuit Role | Design Meaning |
|---|---|---|
| 1 | VDD | Main analog/digital supply input (4.5–5.5 V); decoupling capacitor required near pin. |
| 2 | Test 0 | Factory test pad; must be connected to VSS for optimal EMC per datasheet Section 17. |
| 3 | Test 2 | Factory test pad; must be connected to VSS for optimal EMC per datasheet Section 17. |
| 4 | Not Used | No internal connection; tie to VSS for mechanical stability and noise immunity. |
| 5 | OUT | SENT serial output (open-drain, 5 V tolerant); drives standard 14.7 kΩ pull-up per SAE J2716. |
| 6 | Test 1 | Factory test pad; must be connected to VSS for optimal EMC per datasheet Section 17. |
| 7 | VDIG | Digital supply rail; internally regulated from VDD; powers SENT driver and logic. |
| 8 | VSS | Analog/digital ground reference; low-impedance return path essential for SENT timing integrity. |
Key Features
| Feature | Design Value |
|---|---|
| Triaxis® Hall Technology | Simultaneous BX, BY, BZ field sensing enables true 3D position decoding - eliminates need for multi-sensor assemblies in rotary/linear applications. |
| On-Chip Signal Processing | Integrated CoRDiC engine and 16-bit RISC DSP perform real-time angle calculation - removes host MCU computational load and latency. |
| SENT Output Compliance | Fully compliant with SAE J2716-2010 Throttle Sensor Format - ensures plug-and-play integration with Tier-1 ECU platforms. |
| 3-Point Linear Transfer Curve | User-programmable LNR points (LNRS0, LNRAX–LNRCS) enable precise nonlinearity correction - reduces system-level calibration effort by >50% vs. fixed-curve sensors. |
| Robust Magnetic Design | IMC gain trimming (k = 1–1.5) compensates for magnet temperature drift (TCm = −2400 ppm/°C) - maintains < ±0.15° angular error across full temp range. |
Applications
| Throttle Position Sensing | Pedal Position Sensing |
|---|---|
Use Scenario: Monitoring accelerator pedal angle in gasoline/diesel powertrains for closed-loop engine control and emissions compliance. IC Role / Device Role / Timing Role: Absolute angular position transducer providing SENT-encoded 0–100% throttle opening data at 1.13 kHz frame rate. Use Value: Enables deterministic 882 μs frame timing and diagnostic reporting (via fast channel) to meet ASIL-B functional safety requirements. | Use Scenario: Detecting brake or accelerator pedal displacement in brake-by-wire and electronic throttle systems. IC Role / Device Role / Timing Role: Linear stroke sensor converting magnet motion into SENT-coded position with ≤ 0.2° pk-pk noise (FILTER = 1). Use Value: Delivers 12-bit resolution and thermal offset drift ≤ ±60 LSB₁₅ - critical for pedal feel consistency across −40 °C to +150 °C. |
| Steering Wheel Position Sensing | Ride Height Position Sensing |
Use Scenario: Measuring steering angle for EPS assist torque calculation and lane-keeping assist (LKA) systems. IC Role / Device Role / Timing Role: Rotary position encoder with programmable discontinuity point (DP) and clockwise/counter-clockwise direction flag. Use Value: Supports 0–360° absolute measurement with intrinsic linearity error ≤ ±1° (XY axis), enabling high-fidelity torque vectoring. | Use Scenario: Monitoring suspension travel in adaptive damping and active ride height control for premium vehicles. IC Role / Device Role / Timing Role: Non-contacting linear position sensor detecting magnet displacement along shock absorber axis. Use Value: Immune to dust, moisture, and vibration due to sealed SOIC-8 package and IMC-enhanced field sensitivity (≥70 mT). |
Equivalent & Alternatives
The following parts are listed as comparable options for similar absolute position sensing applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MLX90367KDC-ACU-000-RE | Same SOIC-8 package and ACU-000 feature set, but rated for −40 °C to +125 °C (K-grade) instead of +150 °C (L-grade). | Suitable for cabin-mounted or less thermally stressed locations (e.g., seat position), not under-hood throttle bodies. | Select when ambient temperature remains below +125 °C to reduce cost; retains identical pinout, firmware, and calibration workflow. |
| MLX90367LGO-ACV-000-RE | TSSOP-16 dual-die package with 17-point LNR programmability and no thermal offset correction - differs in pin count, redundancy, and calibration granularity. | Targeted at ASIL-D redundant systems (e.g., steer-by-wire) requiring fault-tolerant architecture and higher curve fidelity. | Choose only when dual-die redundancy and 17-point LNR are mandatory; requires PCB redesign and new diagnostic validation. |
Compared with MLX90367KDC-ACU-000-RE, the MLX90367LDC-ACU-000-RE provides extended high-temperature operation critical for under-hood placement, while versus MLX90367LGO-ACV-000-RE it offers simpler layout, lower cost, and sufficient 3-point linearity correction for most ASIL-B throttle and pedal applications.
Availability
MLX90367LDC-ACU-000-RE is available at Aetrix Electronics and suitable for automotive throttle position sensing, pedal position monitoring, and steering angle measurement requiring stable component supply across production lifecycles.
Supply support for MLX90367LDC-ACU-000-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 intelligent sensors and wireless RF solutions for automotive, industrial, and consumer markets, with ISO/TS 16949 certification and AEC-Q100 qualification expertise.
The MLX90367 product line delivers Triaxis® Hall-based absolute position sensing for non-contacting automotive controls, designed specifically to replace potentiometers and resolver-based systems in ASIL-B–compliant powertrain and chassis applications.
FAQ
What is the operating temperature range of the MLX90367LDC-ACU-000-RE?
The MLX90367LDC-ACU-000-RE is rated for −40 °C to +150 °C ambient operation (L-grade), making it suitable for under-hood automotive applications such as throttle bodies and suspension modules. This rating is confirmed in Section 5 (Absolute Maximum Ratings) and Table 1 (Ordering Information) of the official datasheet revision 7.0. The device maintains specified accuracy and SENT timing integrity across this full range.
Does the MLX90367LDC-ACU-000-RE support SENT protocol compliance with SAE J2716-2010?
Yes, the MLX90367LDC-ACU-000-RE implements SENT output fully compliant with SAE J2716-2010 Throttle Sensor Format, including 294-tick frames, 882 μs frame period, and diagnostic reporting via fast channel. Section 14 of the datasheet details frame structure, timing, and error code encoding. No external protocol translator is needed for ECU interface.
What magnetic field strength is required for reliable operation of the MLX90367LDC-ACU-000-RE?
The MLX90367LDC-ACU-000-RE requires BX/BY ≥ 70 mT and BZ ≥ 126 mT for full specification compliance, as stated in Section 10 (Magnetic Specification). Below 70 mT, IMC saturation increases linearity error; below 20 mT, SNR degradation occurs. These thresholds guide magnet selection and air-gap design in rotary or linear configurations.
Is thermal output offset correction enabled in the MLX90367LDC-ACU-000-RE?
No, thermal output offset correction is not included in the MLX90367LDC-ACU-000-RE. Per Table 1 (Ordering Information) and Section 15.1.6, this feature is exclusive to ACX-xxx variants. The ACU-000 version supports 3-point LNR calibration and IMC gain trimming (k factor) but relies on external compensation or system-level calibration for thermal drift mitigation.
What is the pin configuration and recommended grounding for unused pins on the MLX90367LDC-ACU-000-RE?
The MLX90367LDC-ACU-000-RE uses an SOIC-8 package with pins 1 (VDD), 5 (OUT), 7 (VDIG), and 8 (VSS) as active signals; pins 2, 3, 4, and 6 are test pads. Datasheet Section 17 and Table 4 mandate connecting all unused pins to VSS for optimal EMC performance - failure to do so may cause SENT timing jitter or radiated emissions noncompliance.
MLX90367LDC-ACU-000-RE Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Melexis Technologies NV
- Package/Case:
- 8-SOIC (0.154", 3.90mm Width)
- Series:
- Triaxis®
- Packaging:
- Cut Tape (CT)
- Product Status:
- Active
- Programmable:
- -
- For Measuring:
- Linear, 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:
- Surface Mount
- Termination Style:
- Gull Wing
- Operating Temperature:
- -40°C ~ 150°C
- Grade:
- -
- Qualification:
- -
- Supplier Device Package:
- 8-SOIC
MLX90367LDC-ACU-000-RE FAQ
1.How can I place an order for MLX90367LDC-ACU-000-RE through Aetrix?
Please submit a Request for Quotation (RFQ) for MLX90367LDC-ACU-000-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 MLX90367LDC-ACU-000-RE reliable?
The price and inventory of MLX90367LDC-ACU-000-RE are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MLX90367LDC-ACU-000-RE is usually 5 days.
3.What payment methods are accepted for MLX90367LDC-ACU-000-RE?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MLX90367LDC-ACU-000-RE transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MLX90367LDC-ACU-000-RE?
MLX90367LDC-ACU-000-RE orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MLX90367LDC-ACU-000-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 MLX90367LDC-ACU-000-RE?
For technical support, including MLX90367LDC-ACU-000-RE datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MLX90367LDC-ACU-000-RE requirements.
6.How does Aetrix verify that MLX90367LDC-ACU-000-RE is sourced from the original manufacturer or authorized distributors?
All MLX90367LDC-ACU-000-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 MLX90367LDC-ACU-000-RE meets industry standards.
7.What is the process for return or replacement of MLX90367LDC-ACU-000-RE?
All MLX90367LDC-ACU-000-RE units undergo pre-shipment inspection (PSI). If there is an issue with MLX90367LDC-ACU-000-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 MLX90367LDC-ACU-000-RE part is unused and in its original packaging.
Return procedure for MLX90367LDC-ACU-000-RE:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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