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Melexis Technologies NV MLX90367EDC-ACU-000-RE
- Part No.:
- MLX90367EDC-ACU-000-RE
- Manufacturer:
- Melexis Technologies NV
- Category:
- Angle, Linear Position Measuring
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
MLX90367EDC-ACU-000-RE.pdf
- Description:
- SENS RTY/LNR ANLG/PWM SENT 8SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:4,080
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Product details
Overview
MLX90367EDC-ACU-000-RE from Melexis is a Triaxis® monolithic Hall-effect position sensor IC that measures all three orthogonal magnetic field components (BX, BY, BZ) to compute absolute rotary or linear position with 12-bit resolution and SENT output compliant with SAE J2716-2010. It operates over −40 °C to +150 °C, features on-chip signal processing, programmable 3-point linear transfer characteristic, and thermal offset correction. It is used in automotive throttle, steering wheel, and pedal position sensing.
For engineers reviewing the MLX90367EDC-ACU-000-RE datasheet, pinout, applications, or equivalent options, this page delivers verified technical context, SOIC-8 package mapping, SENT protocol timing, intrinsic linearity error (±1° XY), thermal drift performance (±60 LSB₁₅), and real-world diagnostic behavior under broken VDD/VSS conditions.
Technical Context
The MLX90367EDC-ACU-000-RE implements a 16-bit RISC DSP core running at 10 MHz (2.5 MIPS) to perform real-time CoRDiC-based rectangular-to-polar conversion of raw sine/cosine signals derived from integrated magneto-concentrators. Its architecture supports factory-trimmed SMISM and k-factor calibration for XZ/YZ axis linearity compensation and enables user-programmable discontinuity point (DP), clock-wise (CW) direction, and clamping thresholds.
This variant uses the ACU-000 option code, confirming it is the standard 3-point LNR (Linearization) version in SOIC-8 package with single-die configuration, SENT Throttle Sensor format output, and no thermal output offset correction-distinguishing it from ACV/ACX variants. Its internal angle measurement period is 441 μs, frame period is 882 μs, and watchdog timeout is 118 ms (typical).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Interface | SENT (SAE J2716-2010 Throttle Sensor format), enabling robust serial transmission with diagnostic error codes and OEM-defined values. |
| Resolution & Accuracy | 12-bit output resolution with 10-bit thermal accuracy; intrinsic XY linearity error ±1° at 25 °C after factory trim. |
| Operating Temperature | −40 °C to +150 °C (L-grade), validated for under-hood automotive environments including engine control and transmission modules. |
| Magnetic Sensitivity | Supports BX/BY up to 70 mT and BZ up to 126 mT; IMC gain XY = 1.2–1.8×, Z = 1.1–1.3×, enabling precise field vector decomposition. |
| Supply & Power | 4.5–5.5 V nominal supply; 6–10 mA typical current consumption with power-saving mode enabled; reverse voltage protection to −12 V. |
| Timing Performance | Angle measurement period: 441 μs; SENT frame period: 882 μs; total latency (field change to SENT data): 1745 μs with FILTER = 1. |
| Diagnostics | Active diagnostics include broken VDD/VSS detection (BVDDPD/BVSSPD), digital saturation levels (Dsat_lo/Dsat_hi), and SENT-enhanced serial messages with CRC2010. |
Pinout & Package
MLX90367EDC-ACU-000-RE is housed in an RoHS-compliant SOIC-8 package with 1.27 mm pitch, 5.0 mm × 6.2 mm body, and exposed pad not connected. Pin 1 is VDD; pins 2–4 are test pads (recommended tied to ground for EMC); pin 5 is SENT output; pin 6 is test pad; pin 7 is VDIG (digital supply); pin 8 is VSS (ground). Unused test pins must be grounded per Melexis recommendation.
| Pin | Circuit Role | Design Meaning |
|---|---|---|
| 1 | VDD | Main analog/digital supply input (4.5–5.5 V); requires local 100 nF decoupling to VSS. |
| 2 | Test 0 | Factory test pad; no functional role in operation; recommended connection to VSS for EMC stability. |
| 3 | Test 2 | Factory test pad; no functional role; tie to VSS to minimize radiated emissions. |
| 4 | Not Used | No internal connection; must be left floating or grounded-Melexis specifies grounding for optimal EMC. |
| 5 | OUT | SENT serial output (open-drain, 18 V tolerant); drives external pull-up; delivers calibrated position frames every 882 μs. |
| 6 | Test 1 | Factory test pad; no user-accessible function; ground per layout guidelines. |
| 7 | VDIG | Digital supply rail (same voltage as VDD); powers DSP, EEPROM, and SENT logic; shares decoupling with VDD. |
| 8 | VSS | Analog/digital ground reference; must be low-impedance connection to system ground plane. |
Key Features
| Feature | Design Value |
|---|---|
| Triaxis® Hall Technology | Simultaneous measurement of BX, BY, BZ enables true 3D magnetic field decoding-eliminating need for external concentrators or multi-sensor assemblies in rotary/linear position systems. |
| Programmable 3-Point Linearization | User-configurable LNR parameters (LNRS0, LNRAX–LNRCS) allow precise correction of nonlinearity across full stroke without host MCU intervention. |
| SENT Output with Diagnostics | Embedded SENT frame includes fast-channel diagnostics (e.g., open-circuit, short-to-battery), slow-channel OEM data, and CRC-protected serial messages per SAE J2716. |
| Thermal Offset Correction | Compensates for temperature-induced zero-point drift using on-chip thermal coefficients-critical for maintaining <±0.3° angular error over −40 °C to +150 °C. |
| Robust Magnetic Design | Integrated Magneto-Concentrator (IMC) boosts sensitivity while relaxing magnet placement tolerances-enabling compact, cost-effective mechanical designs in space-constrained modules. |
Applications
| Throttle Position Sensing | Pedal Position Sensing |
|---|---|
Use Scenario: Monitoring accelerator pedal angle in gasoline/diesel engines for ECU fuel injection and torque control. IC Role / Device Role / Timing Role: Absolute rotary position sensor delivering SENT frames every 882 μs with <1745 μs end-to-end latency and diagnostic reporting on open-circuit faults. Use Value: Enables fail-safe engine management via built-in broken-VDD/VSS detection and SENT error codes-meeting ASIL-B requirements without external supervision. |
Use Scenario: Detecting brake or clutch pedal displacement in passenger vehicles and commercial trucks. IC Role / Device Role / Timing Role: Linear position transducer converting magnet stroke into SENT-encoded 12-bit position value with 3-point user calibration for production tolerance compensation. Use Value: Achieves ±1° intrinsic linearity and <±0.3° thermal drift over full temperature range-reducing need for post-assembly calibration and improving pedal feel consistency. |
| Steering Wheel Angle Sensing | Ride Height Control |
Use Scenario: Measuring absolute steering wheel rotation for EPS assist, lane-keeping, and ADAS yaw estimation. IC Role / Device Role / Timing Role: High-reliability rotary encoder with dual-die redundancy optional; this ACU variant provides single-die SENT output synchronized to vehicle CAN bus timing. Use Value: Delivers 12-bit resolution and SENT frame integrity checks-supporting functional safety goals through deterministic latency and CRC-protected data delivery. |
Use Scenario: Monitoring suspension travel in adaptive air ride systems to adjust damping and vehicle level. IC Role / Device Role / Timing Role: Non-contacting linear position sensor mounted on shock absorber or control arm, immune to dust, moisture, and vibration. Use Value: IMC-enhanced sensitivity allows use of small, low-cost magnets; programmable clamping prevents erroneous readings during full compression/rebound events. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar absolute position sensing applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MLX90367LDC-ACV-000-RE | Same SOIC-8 package but with 17-point LNR linearization and extended EEPROM programming capability; no thermal offset correction. | Better suited for high-precision linear applications requiring finer-grained calibration (e.g., industrial valve positioning), where 3-point LNR is insufficient. | Select when higher linearity correction granularity is required and thermal drift is managed externally or within acceptable limits. |
| MLX90367LGO-ACX-000-RE | TSSOP-16 dual-die redundant package with thermal output offset correction, 17-point LNR, and enhanced diagnostics. | Designed for ASIL-D automotive safety-critical systems (e.g., steer-by-wire), requiring hardware redundancy and tighter thermal error budgets. | Choose only when functional safety certification mandates dual-die architecture and full thermal compensation-adds cost and PCB area. |
Compared with MLX90367EDC-ACU-000-RE, the ACV variant offers superior linearity tuning flexibility for precision industrial use, while the ACX variant adds safety-critical redundancy and thermal correction-making MLX90367EDC-ACU-000-RE the optimal balance of cost, performance, and qualification readiness for mainstream automotive throttle and pedal applications.
Availability
MLX90367EDC-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 extended temperature ranges and long production lifecycles.
Supply support for MLX90367EDC-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 magnetic sensing, infrared thermometry, and automotive ICs, with ISO/TS 16949-certified manufacturing and global automotive Tier-1 customer engagement.
The MLX90367 product line delivers Triaxis® absolute position sensing for automotive and industrial motion control, designed to replace potentiometers and resolver-based systems with robust, contactless, and programmable alternatives.
FAQ
What is the operating temperature range of the MLX90367EDC-ACU-000-RE?
The MLX90367EDC-ACU-000-RE is rated for −40 °C to +150 °C ambient operation (L-grade), validated per AEC-Q100 stress testing. This range supports under-hood deployment in engine control units, transmission sensors, and brake modules where thermal extremes are common. The device maintains 12-bit output resolution and SENT timing integrity across the full span, with thermal offset drift limited to ±60 LSB₁₅ at 150 °C.
Does the MLX90367EDC-ACU-000-RE support SENT protocol compliance with SAE J2716-2010?
Yes, the MLX90367EDC-ACU-000-RE implements SENT output strictly conforming to SAE J2716-2010 Throttle Sensor format, including 4-nibble frames, pause pulses, fast-channel diagnostics (e.g., open-circuit, short-to-battery), and slow-channel OEM data fields. Frame period is fixed at 882 μs, and CRC2010 is enabled by default-ensuring interoperability with standard automotive SENT receivers.
How many points of linearization does the MLX90367EDC-ACU-000-RE support?
The MLX90367EDC-ACU-000-RE supports 3-point linearization (LNR) via programmable parameters LNRS0, LNRAX–LNRCS stored in EEPROM. This enables piecewise-linear correction of magnetic nonlinearity across full stroke-sufficient for most throttle, pedal, and float-level applications. Variants like ACV/ACX offer 17-point LNR for higher-precision use cases.
What package type is used for the MLX90367EDC-ACU-000-RE?
The MLX90367EDC-ACU-000-RE uses a RoHS-compliant SOIC-8 package (package code "DC"), measuring 5.0 mm × 6.2 mm with 1.27 mm lead pitch. It contains a single die and is optimized for surface-mount reflow assembly. Pins 2, 3, 4, and 6 are test pads and must be grounded per Melexis layout guidelines to ensure EMC compliance.
Can the MLX90367EDC-ACU-000-RE detect broken supply or ground connections?
Yes, the MLX90367EDC-ACU-000-RE includes passive diagnostic outputs for broken VDD (BVDDPD/BVDDPU) and broken VSS (BVSSPD/BVSSPU), reported via SENT fast channel. For example, BVSSPD asserts when VSS is open, pulling output to >95% VDD-enabling immediate ECU fault detection without external circuitry. These diagnostics are factory-enabled and require no user configuration.
MLX90367EDC-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 ~ 85°C
- Grade:
- -
- Qualification:
- -
- Supplier Device Package:
- 8-SOIC
MLX90367EDC-ACU-000-RE FAQ
1.How can I place an order for MLX90367EDC-ACU-000-RE through Aetrix?
Please submit a Request for Quotation (RFQ) for MLX90367EDC-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 MLX90367EDC-ACU-000-RE reliable?
The price and inventory of MLX90367EDC-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 MLX90367EDC-ACU-000-RE is usually 5 days.
3.What payment methods are accepted for MLX90367EDC-ACU-000-RE?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MLX90367EDC-ACU-000-RE transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MLX90367EDC-ACU-000-RE?
MLX90367EDC-ACU-000-RE orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MLX90367EDC-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 MLX90367EDC-ACU-000-RE?
For technical support, including MLX90367EDC-ACU-000-RE datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MLX90367EDC-ACU-000-RE requirements.
6.How does Aetrix verify that MLX90367EDC-ACU-000-RE is sourced from the original manufacturer or authorized distributors?
All MLX90367EDC-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 MLX90367EDC-ACU-000-RE meets industry standards.
7.What is the process for return or replacement of MLX90367EDC-ACU-000-RE?
All MLX90367EDC-ACU-000-RE units undergo pre-shipment inspection (PSI). If there is an issue with MLX90367EDC-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 MLX90367EDC-ACU-000-RE part is unused and in its original packaging.
Return procedure for MLX90367EDC-ACU-000-RE:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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