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Melexis Technologies NV MLX90316KDC-BCG-000-SP
- Part No.:
- MLX90316KDC-BCG-000-SP
- Manufacturer:
- Melexis Technologies NV
- Category:
- Angle, Linear Position Measuring
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
MLX90316KDC-BCG-000-SP.pdf
- Description:
- SENSOR ROTARY 360DEG SMD
- Quantity:
- Payment:
- Shipping:
Inventory:1,966
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Product details
Overview
MLX90316KDC-BCG-000-SP from Melexis is an absolute rotary position sensor IC based on Triaxis® Hall technology, delivering 12-bit angular resolution and ±1° thermal accuracy over –40°C to +125°C. It supports ratiometric analog, PWM, or SPI serial output modes and features programmable transfer characteristics for end-of-line calibration in steering wheel, throttle, and pedal position sensing applications.
For engineers reviewing the MLX90316KDC-BCG-000-SP datasheet, pinout, applications, or equivalent options, this page provides verified technical context, SOIC-8 package mapping, calibrated angular range up to 360°, magnetic field tolerance (±700 mT), and confirmed dual-die redundancy option compatibility.
Technical Context
The MLX90316KDC-BCG-000-SP integrates a monolithic Triaxis® sensor with on-chip IMC (Integrated Magneto-Concentrator) to detect the horizontal component of a rotating dipole magnet's flux, enabling contactless angular measurement. Its DSP processes raw sine/cosine signals from the Hall front-end with 15-bit ADC resolution in slow mode and executes real-time angular calculation using CoRDiC algorithms.
Output is configurable via EEPROM-programmable parameters including CLOCKWISE polarity, discontinuity point, LNR linearization coefficients, clamping thresholds, and filter settings (FIR/IIR). The device operates in either slow mode (7 MHz clock, 600 μs sampling) or fast mode (20 MHz clock, 200 μs sampling), with built-in diagnostics covering broken VDD/VSS detection and switch-out hysteresis control.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Angular Resolution | 12-bit output (0.0879°/LSB theoretical), supported by 15-bit raw ADC in slow mode |
| Thermal Angular Accuracy | ±1° over full temperature range (–40°C to +125°C), including offset and sensitivity drift |
| Output Modes | Ratiometric analog (0–100% VDD), PWM (100–1000 Hz), or 14-bit SPI serial (3-wire) |
| Magnetic Field Range | Operates at 20–70 mT; withstands ±700 mT without damage |
| Supply Voltage | 4.5–5.5 V; reverse voltage protection to –10 V |
| Package | SOIC-8, RoHS-compliant, single-die configuration |
| Operating Temperature | –40°C to +125°C (K-grade), qualified per AEC-Q100 Grade 0 |
Pinout & Package
MLX90316KDC-BCG-000-SP uses an 8-pin SOIC-8 package with exposed pad (RoHS-compliant). Pin functions are defined for analog/PWM operation; unused test pins must be grounded for EMC compliance.
| Pin | Circuit Role | Design Meaning |
|---|---|---|
| 1 | VDD | Main supply input (4.5–5.5 V); powers internal regulator and logic |
| 2 | Test 0 | Factory test pin; must be connected to VSS for normal operation |
| 3 | Switch OUT | Programmable digital output with hysteresis; defaults to open-drain |
| 4 | Not Used / OUT2 | No connection in standard version; reserved for dual-die variants only |
| 5 | OUT | Main analog or PWM output; ratiometric to VDD or duty-cycle modulated |
| 6 | Test 1 | Factory test pin; must be connected to VSS for normal operation |
| 7 | VDIG | Digital supply reference; tied internally to VDD but decoupled externally |
| 8 | VSS | Ground reference for analog and digital sections; requires low-impedance connection |
Key Features
| Feature | Design Value |
|---|---|
| Triaxis® Sensing Architecture | Measures horizontal magnetic field components (VX/VY) for robust angular computation independent of airgap and off-axis misalignment |
| End-of-Line Programmability | Full transfer characteristic tuning (offset, gain, linearity, clamping, filtering) via PTC-04 programmer using only VDD/VSS/OUT pins |
| Multi-Mode Output Flexibility | Single hardware design supports analog, PWM, or SPI outputs-no PCB change required when switching interface protocols |
| On-Chip Diagnostic Coverage | Detects broken VDD/VSS tracks, magnetic saturation, and output stage faults with dedicated diagnostic band signaling |
| EMC-Optimized Layout | Unused pins (Test 0/Test 1) specified for grounding to minimize radiated emissions and improve noise immunity |
Applications
| Steering Wheel Position Sensing | Throttle Position Sensing |
|---|---|
Use Scenario: Measures absolute angular displacement of vehicle steering column with no physical contact or wear. IC Role / Device Role / Timing Role: Primary angular position transducer interfacing directly to ECU via analog or PWM signal path. Use Value: Enables precise torque overlay and lane-keeping assist with <±1° thermal accuracy across automotive temperature extremes. | Use Scenario: Detects accelerator pedal rotation in gasoline and hybrid powertrains under high-vibration conditions. IC Role / Device Role / Timing Role: Safety-critical position feedback element feeding closed-loop engine control algorithms. Use Value: Delivers fail-safe dual-signal capability (via optional dual-die variant) and programmable deadzone to suppress idle flutter. |
| Pedal Position Sensing | Motor-Shaft Position Sensing |
Use Scenario: Monitors brake or clutch pedal angle in brake-by-wire and electronic clutch systems. IC Role / Device Role / Timing Role: Redundant position sensor providing independent angular data to safety controller. Use Value: Supports ASIL-B compliance through self-diagnostic features and programmable clamping to prevent erroneous actuation. | Use Scenario: Tracks rotor angle in BLDC motors for commutation timing in industrial pumps and HVAC blowers. IC Role / Device Role / Timing Role: High-resolution angular encoder replacement with contactless reliability and no brushes or slip rings. Use Value: Achieves 12-bit resolution with <0.05% VDD output noise, enabling smooth torque control at low speeds. |
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 |
|---|---|---|---|
| MLX90363KGO-100-SP | Dual-die TSSOP-16 package with full hardware redundancy; includes second SPI channel and independent diagnostics | Required for ASIL-D systems where functional safety mandates physical separation of sensing paths | Select when dual-die fault tolerance is mandated; not pin-compatible with MLX90316KDC-BCG-000-SP |
| AS5055A-DSOM | 14-bit resolution, SPI-only interface, no analog/PWM output; uses different magnetic coupling geometry (side-shaft) | Suitable for space-constrained PCB layouts but lacks programmable transfer function and IMC-based mechanical tolerance compensation | Choose for higher resolution where magnetic architecture permits side-mount magnet placement |
Compared with MLX90316KDC-BCG-000-SP, the MLX90363KGO-100-SP adds hardware-level redundancy at the cost of larger footprint and higher BOM cost, while the AS5055A-DSOM trades programmability and mechanical robustness for finer angular quantization in non-automotive contexts.
Availability
MLX90316KDC-BCG-000-SP is available at Aetrix Electronics and suitable for automotive steering systems, industrial motor control, and aerospace actuation requiring stable component supply, long-term lifecycle support, and AEC-Q100 qualification.
Supply support for MLX90316KDC-BCG-000-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 sensor solutions for automotive, industrial, and consumer markets, with core expertise in magnetic sensing and mixed-signal IC design.
The MLX90316 product line delivers contactless absolute angular position sensing using Triaxis® technology, targeting high-reliability applications where mechanical potentiometers fail due to wear, contamination, or vibration.
FAQ
What is the maximum angular range supported by the MLX90316KDC-BCG-000-SP?
The MLX90316KDC-BCG-000-SP supports a fully programmable absolute angular range up to 360 degrees, enabling complete revolution measurement without ambiguity. This range is implemented via on-chip DSP processing of sine/cosine magnetic field components and can be configured during end-of-line calibration to match specific mechanical travel limits.
Does the MLX90316KDC-BCG-000-SP require external magnetics for operation?
Yes, the MLX90316KDC-BCG-000-SP requires an external diametrically magnetized dipole magnet positioned above its surface (end-of-shaft configuration). The integrated IMC focuses the magnetic flux to enable accurate horizontal field detection; no additional concentrators or shielding are needed for standard operation within 20–70 mT field strength.
Can the MLX90316KDC-BCG-000-SP output both analog and PWM signals simultaneously?
No, the MLX90316KDC-BCG-000-SP supports only one active output mode at a time-either ratiometric analog, PWM, or SPI serial-as selected during programming. The output mode is stored in EEPROM and persists across power cycles; simultaneous dual-output is not supported in the SOIC-8 single-die configuration.
What is the purpose of the Test 0 and Test 1 pins on the MLX90316KDC-BCG-000-SP?
The Test 0 and Test 1 pins on the MLX90316KDC-BCG-000-SP are factory test interfaces used during wafer sort and final test. For normal operation, both pins must be connected to VSS (ground) to ensure proper internal biasing and EMC performance; leaving them floating may cause erratic behavior or increased radiated emissions.
Is the MLX90316KDC-BCG-000-SP qualified for automotive use?
Yes, the MLX90316KDC-BCG-000-SP carries K-grade temperature rating (–40°C to +125°C) and is qualified to AEC-Q100 Grade 0 standards. It includes built-in diagnostics, failsafe output states, and robust magnetic tolerance-making it suitable for critical automotive applications including steering angle, throttle, and brake pedal position sensing.
MLX90316KDC-BCG-000-SP Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Melexis Technologies NV
- Package/Case:
- 8-SOIC (0.154", 3.90mm Width)
- Series:
- Triaxis®
- Packaging:
- Bulk
- Product Status:
- Active
- Programmable:
- -
- For Measuring:
- Rotary Position
- Technology:
- Hall Effect
- Rotation Angle - Electrical, Mechanical:
- 0° ~ 360°, Continuous
- Linear Range:
- -
- Output:
- Analog Voltage
- Output Signal:
- -
- 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
MLX90316KDC-BCG-000-SP FAQ
1.How can I place an order for MLX90316KDC-BCG-000-SP through Aetrix?
Please submit a Request for Quotation (RFQ) for MLX90316KDC-BCG-000-SP 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 MLX90316KDC-BCG-000-SP reliable?
The price and inventory of MLX90316KDC-BCG-000-SP are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MLX90316KDC-BCG-000-SP is usually 5 days.
3.What payment methods are accepted for MLX90316KDC-BCG-000-SP?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MLX90316KDC-BCG-000-SP transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MLX90316KDC-BCG-000-SP?
MLX90316KDC-BCG-000-SP orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MLX90316KDC-BCG-000-SP 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 MLX90316KDC-BCG-000-SP?
For technical support, including MLX90316KDC-BCG-000-SP datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MLX90316KDC-BCG-000-SP requirements.
6.How does Aetrix verify that MLX90316KDC-BCG-000-SP is sourced from the original manufacturer or authorized distributors?
All MLX90316KDC-BCG-000-SP 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 MLX90316KDC-BCG-000-SP meets industry standards.
7.What is the process for return or replacement of MLX90316KDC-BCG-000-SP?
All MLX90316KDC-BCG-000-SP units undergo pre-shipment inspection (PSI). If there is an issue with MLX90316KDC-BCG-000-SP, 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 MLX90316KDC-BCG-000-SP part is unused and in its original packaging.
Return procedure for MLX90316KDC-BCG-000-SP:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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