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Melexis Technologies NV MLX90365KDC-ACD-000-RE
- Part No.:
- MLX90365KDC-ACD-000-RE
- Manufacturer:
- Melexis Technologies NV
- Category:
- Angle, Linear Position Measuring
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
MLX90365KDC-ACD-000-RE.pdf
- Description:
- SENSR ROTRY/LNEAR ANLG/PWM 8SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:2,815
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Product details
Overview
MLX90365KDC-ACD-000-RE from Melexis is an AEC-Q100 qualified absolute rotary and linear position sensor IC based on Triaxis® Hall technology, delivering 12-bit analog or PWM output with 10-bit thermal accuracy, open/short diagnostics, and automotive-grade operation from −40 °C to +125 °C in SOIC-8 package. It decodes absolute angular position (0–360°) or linear displacement using orthogonal and parallel magnetic field components (BX, BY, BZ), enabling non-contacting potentiometer replacement in throttle, pedal, and steering systems.
For engineers reviewing the MLX90365KDC-ACD-000-RE datasheet, pinout, applications, or equivalent options, key selection criteria include its programmable multi-point transfer characteristic, ratiometric analog/PWM dual-mode output, thermal offset correction capability, integrated diagnostics, and SOIC-8 footprint compatibility with automotive ECU signal conditioning interfaces.
Technical Context
The MLX90365KDC-ACD-000-RE integrates a Triaxis® Hall front-end sensing all three magnetic flux components (BX, BY, BZ), a 16-bit RISC microcontroller running at 10 MHz (2.5 MIPS), 12-bit DAC for analog output, and 12-bit PWM generator. Its DSP performs real-time coordinate rotation (CoRDiC) to compute absolute angle or linear position from raw sine/cosine signals.
It supports end-user programming of output mode (analog ratiometric or PWM), transfer function (4- or 17-point piecewise-linear), clamping thresholds, filter settings (3 levels), and diagnostic behavior-including open/short, broken VDD/VSS, and field strength monitoring-via on-chip EEPROM with 128 B capacity and 100k-cycle endurance.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage | 4.5–5.5 V nominal; enables direct connection to standard 5 V automotive ECUs without external regulation |
| Analog Output Resolution | 12-bit DAC (0.02–5% VDD per LSB); delivers precise ratiometric voltage proportional to position |
| PWM Output Resolution | 12-bit (0.025% duty cycle per LSB); provides noise-immune digital position reporting over long harness runs |
| Operating Temperature | −40 °C to +125 °C (K-grade); certified for under-hood and transmission-mounted applications |
| Magnetic Sensitivity | BX/BY ≥ 70 mT, BZ ≥ 126 mT; supports compact magnet designs with IMC® gain of 1.2–1.8× in X/Y |
| Accuracy (Angular) | ±0.3° typical XY intrinsic linearity error at 25 °C; improved via end-user multi-point calibration |
| Diagnostics | On-board open/short, broken supply, field strength, and PWM diagnostic modes; reduces need for external fault monitoring circuitry |
Pinout & Package
MLX90365KDC-ACD-000-RE is housed in a RoHS-compliant SOIC-8 package (5.3 mm × 6.2 mm × 1.75 mm), optimized for surface-mount assembly and automotive PCB layouts with minimal board space.
| Pin | Circuit Role | Design Meaning |
|---|---|---|
| 1 | VDD | Main power supply input (4.5–5.5 V); includes overvoltage protection up to +24 V |
| 2 | Test 0 | Factory test pin; recommended to tie to ground for EMC compliance |
| 3 | Test 2 | Factory test pin; recommended to tie to ground for EMC compliance |
| 4 | Not Used | No internal connection; must be grounded per EMC guidelines |
| 5 | OUT | Configurable analog ratiometric or PWM output; push-pull or open-drain capable |
| 6 | Test 1 | Factory test pin; recommended to tie to ground for EMC compliance |
| 7 | VDIG | Digital supply rail for internal logic; internally regulated from VDD |
| 8 | VSS | Ground reference for analog and digital sections; requires low-impedance PCB return path |
Key Features
| Feature | Design Value |
|---|---|
| Triaxis® 3-axis Hall sensing | Measures BX, BY, BZ simultaneously to compute absolute angle or linear stroke without mechanical contact |
| Programmable transfer function | Supports 4- or 17-point piecewise-linear calibration to compensate for magnet and mechanical nonlinearity |
| Dual-output mode | Selectable ratiometric analog (0–100% VDD) or PWM (100–1000 Hz) output-no external components required |
| Integrated diagnostics | Real-time detection of open/short circuits, broken VDD/VSS, and insufficient magnetic field strength |
| Thermal offset correction | Compensates for temperature-induced zero-point drift in both analog and PWM outputs |
| AEC-Q100 Grade 0 qualification | Validated for automotive safety-critical applications including throttle and steering position sensing |
Applications
| Throttle Position Sensing | Pedal Position Sensing |
|---|---|
Use Scenario: Monitoring accelerator pedal angle in gasoline/diesel engine management systems to determine fuel injection timing and volume. IC Role / Device Role / Timing Role: Absolute rotary position sensor providing real-time, contactless angular measurement of throttle valve shaft rotation (0–90°). Use Value: Eliminates potentiometer wear and wiper noise; 12-bit resolution ensures <0.1° control granularity for precise air-fuel ratio management. | Use Scenario: Detecting driver foot pressure on brake or accelerator pedals in electric and hybrid vehicles with regenerative braking coordination. IC Role / Device Role / Timing Role: Linear position transducer measuring pedal stroke displacement (0–100 mm) via magnet-on-rod configuration. Use Value: Enables fast response (<305 μs refresh rate) and high immunity to vibration, dust, and moisture versus mechanical linkages. |
| Steering Wheel Angle Sensing | Ride Height Control |
Use Scenario: Capturing absolute steering wheel rotation for electronic stability control (ESC), lane-keeping assist (LKA), and torque overlay systems. IC Role / Device Role / Timing Role: Rotary position sensor mounted on steering column, resolving full 360° turns with zero-degrees reference retention after power cycling. Use Value: Maintains position integrity across ignition cycles via EEPROM-stored discontinuity point; ±0.3° linearity supports high-precision vehicle dynamics control. | Use Scenario: Measuring suspension travel in adaptive air or coilover systems to adjust damping and ride height in real time. IC Role / Device Role / Timing Role: Linear position sensor detecting vertical displacement of control arm or shock absorber body relative to chassis. Use Value: SOIC-8 package withstands under-vehicle thermal cycling (−40 °C to +125 °C); diagnostics flag magnet misalignment before system degradation occurs. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar absolute position sensing applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MLX90365KGO-ACD-000-RE | Dual-die TSSOP-16 variant with full hardware redundancy; higher supply current (2×), isolated diagnostics between dice | Required for ASIL-B/C functional safety architectures where single-point failure tolerance is mandated | Select when ISO 26262 compliance demands redundant signal paths and independent fault detection |
| MLX90365LDC-ACE-000-RE | L-grade (−40 °C to +150 °C) with enhanced thermal offset correction algorithm; same SOIC-8 package | Suitable for extreme under-hood locations (e.g., near turbochargers or exhaust manifolds) where ambient exceeds 125 °C | Select when operating ambient exceeds +125 °C and tighter thermal drift performance is needed |
Compared with MLX90365KDC-ACD-000-RE, the KGO-ACD-000-RE adds hardware redundancy at the cost of doubled current and larger footprint, while the LDC-ACE-000-RE extends temperature range and improves thermal stability-neither is pin-compatible, but all share identical programming interface and magnetic design rules.
Availability
MLX90365KDC-ACD-000-RE is available at Aetrix Electronics and suitable for throttle position sensing, pedal position sensing, and steering angle sensing requiring stable component supply across automotive production lifecycles.
Supply support for MLX90365KDC-ACD-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 and industrial markets, with over 30 years of Hall-effect sensor innovation.
The MLX90365 product line delivers contactless absolute position sensing using Triaxis® technology, targeting high-reliability automotive subsystems including powertrain, chassis, and ADAS where precision, diagnostics, and AEC-Q100 compliance are mandatory.
FAQ
What output modes does the MLX90365KDC-ACD-000-RE support?
The MLX90365KDC-ACD-000-RE supports two configurable output modes: ratiometric analog voltage (0–100% of VDD) and pulse-width modulated (PWM) signal with programmable frequency (100–1000 Hz). Mode selection is performed via EEPROM programming during end-of-line calibration; no external components are required to switch between them. Both outputs retain 12-bit resolution and include thermal offset correction. The MLX90365KDC-ACD-000-RE's output stage can be configured as push-pull or open-drain depending on the selected mode and diagnostic settings.
Is the MLX90365KDC-ACD-000-RE pin-compatible with other MLX90365 variants?
No, the MLX90365KDC-ACD-000-RE is not pin-compatible with TSSOP-16 variants such as MLX90365KGO-ACD-000-RE due to differing pin counts (8 vs. 16) and internal die architecture. While both share the same functional block diagram and programming interface, the SOIC-8 version uses a single die with shared resources, whereas the TSSOP-16 implements fully isolated dual dies. The MLX90365KDC-ACD-000-RE requires dedicated SOIC-8 layout and cannot be substituted without PCB revision.
Does the MLX90365KDC-ACD-000-RE require external magnetics or calibration?
The MLX90365KDC-ACD-000-RE requires an external magnet (e.g., diametrically magnetized ring or rod) and a properly designed magnetic circuit (e.g., IMC® concentrator or flux guide) to generate orthogonal BX/BY or axial BZ fields. Factory calibration sets baseline parameters, but end-user programmable multi-point linearization (4- or 17-point) is strongly recommended to compensate for mechanical tolerances and magnet inconsistencies. The MLX90365KDC-ACD-000-RE supports on-board EEPROM storage of these calibration coefficients without external tools.
What diagnostic capabilities does the MLX90365KDC-ACD-000-RE provide?
The MLX90365KDC-ACD-000-RE integrates six diagnostic functions: open-circuit detection, short-to-ground/short-to-VDD on the output, broken VDD/VSS supply lines, insufficient magnetic field strength, PWM-specific timing faults, and configurable hysteresis-based field diagnostics. Diagnostic status is reported via dedicated output states (e.g., clamped low/high) or encoded in PWM duty cycle. All diagnostics are user-configurable via EEPROM and operate continuously during normal operation-no host MCU intervention is required for basic fault detection. The MLX90365KDC-ACD-000-RE's diagnostics meet automotive functional safety requirements for ASIL-A systems.
Can the MLX90365KDC-ACD-000-RE operate outside the specified 4.5–5.5 V supply range?
The MLX90365KDC-ACD-000-RE is rated for absolute maximum supply voltage of +24 V and reverse voltage of −12 V, but functional operation is guaranteed only between 4.5 V and 5.5 V. Below 4.5 V, power-on reset may not assert correctly, and analog/PWM accuracy degrades; above 5.5 V, internal regulators may overheat or trigger undervoltage lockout. Transient spikes within the absolute max ratings are tolerated briefly, but sustained operation outside 4.5–5.5 V voids AEC-Q100 qualification and invalidates accuracy specs. The MLX90365KDC-ACD-000-RE includes built-in overvoltage and undervoltage detection that asserts diagnostic flags under out-of-range conditions.
MLX90365KDC-ACD-000-RE Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Melexis Technologies NV
- Package/Case:
- 8-SOIC (0.154", 3.90mm 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:
- Analog Voltage, PWM
- 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 ~ 125°C
- Grade:
- -
- Qualification:
- -
- Supplier Device Package:
- 8-SOIC
MLX90365KDC-ACD-000-RE FAQ
1.How can I place an order for MLX90365KDC-ACD-000-RE through Aetrix?
Please submit a Request for Quotation (RFQ) for MLX90365KDC-ACD-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 MLX90365KDC-ACD-000-RE reliable?
The price and inventory of MLX90365KDC-ACD-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 MLX90365KDC-ACD-000-RE is usually 5 days.
3.What payment methods are accepted for MLX90365KDC-ACD-000-RE?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MLX90365KDC-ACD-000-RE transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MLX90365KDC-ACD-000-RE?
MLX90365KDC-ACD-000-RE orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MLX90365KDC-ACD-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 MLX90365KDC-ACD-000-RE?
For technical support, including MLX90365KDC-ACD-000-RE datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MLX90365KDC-ACD-000-RE requirements.
6.How does Aetrix verify that MLX90365KDC-ACD-000-RE is sourced from the original manufacturer or authorized distributors?
All MLX90365KDC-ACD-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 MLX90365KDC-ACD-000-RE meets industry standards.
7.What is the process for return or replacement of MLX90365KDC-ACD-000-RE?
All MLX90365KDC-ACD-000-RE units undergo pre-shipment inspection (PSI). If there is an issue with MLX90365KDC-ACD-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 MLX90365KDC-ACD-000-RE part is unused and in its original packaging.
Return procedure for MLX90365KDC-ACD-000-RE:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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