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Melexis Technologies NV MLX90316LDC-BCS-000-SP
- Part No.:
- MLX90316LDC-BCS-000-SP
- Manufacturer:
- Melexis Technologies NV
- Category:
- Angle, Linear Position Measuring
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
MLX90316LDC-BCS-000-SP.pdf
- Description:
- SENSOR ROTARY 360DEG SMD
- Quantity:
- Payment:
- Shipping:
Inventory:4,035
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Product details
Overview
MLX90316LDC-BCS-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 +150°C. It supports programmable analog (ratiometric), PWM, or SPI output modes and interfaces with end-of-shaft dipole magnets via integrated magneto-concentrator (IMC) for contactless sensing up to 360° rotation. Used in automotive throttle and steering wheel position sensing.
For engineers reviewing the MLX90316LDC-BCS-000-SP datasheet, pinout, applications, or equivalent options, key selection factors include its SOIC-8 package, dual-die redundancy option, programmable transfer characteristic, diagnostic features (broken VDD/VSS detection), and compatibility with PTC-04 programming unit for end-of-line calibration.
Technical Context
The MLX90316LDC-BCS-000-SP integrates a Triaxis® Hall front-end with IMC to detect horizontal magnetic field components, feeding sine/cosine signals into a 16-bit RISC DSP for arctangent-based angular calculation. Its architecture supports real-time linearization, clamping, deadzone, and hysteresis filtering via 128 B EEPROM-stored parameters.
It operates in Slow Mode (7 MHz clock, 600 μs sampling) or Fast Mode (20 MHz clock, 200 μs sampling), with configurable diagnostics including switch-out activation, watchdog timeout (5 ms), and passive/active fault reporting on VDD/VSS loss - all without requiring external components.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Angular Resolution | 12-bit (0.0879°/LSB theoretical), enabling precise closed-loop motor control and high-fidelity position feedback. |
| Thermal Accuracy | ±1° over full -40°C to +150°C range, achieved via DSP-compensated offset/sensitivity drift correction. |
| Output Modes | Configurable ratiometric analog (0–100% VDD), PWM (100–1000 Hz), or 14-bit SPI serial (3-wire interface). |
| Supply Range | 4.5–5.5 V, with reverse voltage protection (-10 V) and overvoltage tolerance (+20 V) for harsh automotive environments. |
| Diagnostic Coverage | Detects broken VDD/VSS tracks, output short-circuit, and internal faults via dedicated diagnostic pins and digital flags. |
| Programmability | End-of-line calibration via PTC-04 using only VDD/VSS/OUT pins; stores 40-bit ID, transfer curve, filter, and safety parameters in EEPROM. |
Pinout & Package
MLX90316LDC-BCS-000-SP uses RoHS-compliant SOIC-8 package (5.3 mm × 6.2 mm × 1.75 mm), optimized for surface-mount assembly and automotive under-hood applications.
| Pin | Circuit Role | Design Meaning |
|---|---|---|
| 1 | VDD | Main power supply input (4.5–5.5 V); includes reverse polarity and overvoltage protection. |
| 2 | Test 0 | Factory test pin; recommended to tie to ground for EMC stability in production designs. |
| 3 | Switch OUT | Programmable digital output for limit-switch emulation or safety interlock signaling. |
| 4 | Not Used / OUT2 | No connection in standard SOIC-8 version; reserved for dual-die TSSOP-16 variant. |
| 5 | OUT | Primary output: configurable as analog voltage, PWM signal, or SPI data (MOSI/MISO shared). |
| 6 | Test 1 | Factory test pin; recommended to tie to ground for EMC stability in production designs. |
| 7 | VDIG | Digital supply rail for internal logic and SPI interface; decoupling required near pin. |
| 8 | VSS | Analog/digital ground reference; must be low-impedance connection to minimize noise coupling. |
Key Features
| Feature | Design Value |
|---|---|
| Triaxis® IMC Sensing | Enables robust contactless angular measurement despite airgap variation (±0.5 mm) and off-axis misalignment. |
| Programmable Transfer Curve | Full end-of-line calibration of offset, gain, linearity, clamping, and deadzone via PTC-04 without hardware changes. |
| Dual-Diagnostic Architecture | Simultaneous active (voltage-level) and passive (open-drain) fault reporting for ASIL-B compliance support. |
| On-Chip DSP Processing | Real-time CoRDiC-based angle computation with configurable FIR/IIR filtering to suppress mechanical vibration noise. |
| 40-bit Unique ID | Factory-programmed traceability code stored in EEPROM, supporting secure firmware updates and counterfeit prevention. |
Applications
| Steering Wheel Position Sensing | Throttle Position Sensing |
|---|---|
Use Scenario: Monitoring rotational angle of vehicle steering column for EPS (Electric Power Steering) control and ADAS lane-keeping input. IC Role / Device Role / Timing Role: Absolute angular position sensor providing real-time, contactless feedback with <1 ms step response time in Fast Mode. Use Value: Enables precise torque assist mapping and reduces mechanical wear versus potentiometer-based solutions. | Use Scenario: Detecting accelerator pedal rotation in gasoline and hybrid powertrains for engine management and emissions control. IC Role / Device Role / Timing Role: High-reliability rotary sensor with built-in diagnostics to meet ISO 26262 ASIL-B requirements. Use Value: Delivers fail-safe operation via broken-rail detection and redundant output options, eliminating single-point failure risks. |
| Pedal Position Sensing | Ride Height Adjustment |
Use Scenario: Measuring brake or clutch pedal angular displacement in commercial vehicles with extended temperature cycling. IC Role / Device Role / Timing Role: Temperature-stable position transducer operating continuously at 150°C ambient with ±1° accuracy. Use Value: Eliminates thermal drift compensation circuitry, reducing BOM count and PCB area in safety-critical subsystems. | Use Scenario: Adjusting suspension height in premium passenger cars using air springs controlled by ECU feedback. IC Role / Device Role / Timing Role: Non-contacting potentiometer replacement with programmable 0–360° range and analog/PWM output flexibility. Use Value: Supports multi-point calibration to compensate for mechanical linkage tolerances and magnet placement variance. |
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-ABA-000-SP | TSSOP-16 dual-die package with full hardware redundancy; higher current draw (2× IDD); supports SPI75AGC mode. | Required for ASIL-C systems needing fault-tolerant dual-channel architecture and independent die isolation. | Select when functional safety certification (ISO 26262) mandates hardware redundancy beyond diagnostics. |
| AMS AS5055A-BQFT | 14-bit resolution, SPI-only interface, no analog/PWM outputs; lacks switch-out and programmable clamping; 125°C max operating temperature. | Suitable for non-automotive industrial encoders where cost and size outweigh safety diagnostics and multi-output flexibility. | Choose for space-constrained designs needing highest resolution but accepting reduced configurability and lower temp rating. |
Compared with MLX90316LDC-BCS-000-SP, the MLX90363 offers true hardware redundancy at the expense of layout area and power, while the AS5055A trades programmability and automotive qualification for resolution and footprint - making MLX90316LDC-BCS-000-SP optimal for cost-sensitive, ASIL-B-compliant rotary sensing where SOIC-8 fit and field calibration are critical.
Availability
MLX90316LDC-BCS-000-SP is available at Aetrix Electronics and suitable for automotive throttle position sensing, steering angle monitoring, and industrial ride-height adjustment requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for MLX90316LDC-BCS-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 magnetic sensing, driver ICs, and infrared thermometry for automotive and industrial markets.
The MLX90316 product line delivers contactless absolute angular position sensing using Triaxis® technology, targeting high-reliability automotive subsystems such as EPS, throttle, and braking where robustness to mechanical tolerance and temperature is essential.
FAQ
What output interfaces does the MLX90316LDC-BCS-000-SP support?
The MLX90316LDC-BCS-000-SP supports three configurable output modes: ratiometric analog voltage (0–100% VDD), PWM (100–1000 Hz, programmable frequency and polarity), and 3-wire SPI serial (14-bit angle data). All modes are selected and calibrated via the same VDD/VSS/OUT pins using the PTC-04 programmer - no hardware rework is needed to change output type after PCB assembly.
How is the MLX90316LDC-BCS-000-SP calibrated for angular accuracy?
Calibration of the MLX90316LDC-BCS-000-SP is performed end-of-line using Melexis' PTC-04 programming unit, which communicates exclusively through the VDD, VSS, and OUT pins. It writes 40-bit ID, transfer curve coefficients (LNR, CLAMP, DEADZONE), filter settings, and diagnostic thresholds into 128 B EEPROM - enabling full compensation for mechanical tolerances, thermal drift, and magnet nonlinearity without external components.
Does the MLX90316LDC-BCS-000-SP meet automotive reliability standards?
Yes, the MLX90316LDC-BCS-000-SP is qualified to AEC-Q100 Grade 0 (-40°C to +150°C) and supports ASIL-B system-level compliance through integrated diagnostics including broken VDD/VSS detection, watchdog timer, output short-circuit monitoring, and programmable switch-out for fail-safe signaling - all implemented within the single SOIC-8 die.
Can the MLX90316LDC-BCS-000-SP operate with different magnet configurations?
Yes, the MLX90316LDC-BCS-000-SP is designed for end-of-shaft dipole magnets with flux density between 20–70 mT. Its integrated magneto-concentrator (IMC) enables robust operation across ±0.5 mm airgap variation and ±1° axial tilt. The on-chip DSP compensates for sensitivity mismatch and orthogonality errors, allowing use with low-cost ferrite or NdFeB magnets without custom shielding.
What is the role of the Switch OUT pin on the MLX90316LDC-BCS-000-SP?
The Switch OUT pin (Pin 3) provides a programmable digital output that can emulate a mechanical limit switch or safety interlock. It is independently configurable for activation angle, hysteresis, and polarity via EEPROM parameters (KD, KDHYST), and remains functional even during analog/PWM output operation - enabling dual-role feedback and fault signaling in compact automotive modules.
MLX90316LDC-BCS-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 ~ 150°C
- Grade:
- -
- Qualification:
- -
- Supplier Device Package:
- 8-SOIC
MLX90316LDC-BCS-000-SP FAQ
1.How can I place an order for MLX90316LDC-BCS-000-SP through Aetrix?
Please submit a Request for Quotation (RFQ) for MLX90316LDC-BCS-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 MLX90316LDC-BCS-000-SP reliable?
The price and inventory of MLX90316LDC-BCS-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 MLX90316LDC-BCS-000-SP is usually 5 days.
3.What payment methods are accepted for MLX90316LDC-BCS-000-SP?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MLX90316LDC-BCS-000-SP transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MLX90316LDC-BCS-000-SP?
MLX90316LDC-BCS-000-SP orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MLX90316LDC-BCS-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 MLX90316LDC-BCS-000-SP?
For technical support, including MLX90316LDC-BCS-000-SP datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MLX90316LDC-BCS-000-SP requirements.
6.How does Aetrix verify that MLX90316LDC-BCS-000-SP is sourced from the original manufacturer or authorized distributors?
All MLX90316LDC-BCS-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 MLX90316LDC-BCS-000-SP meets industry standards.
7.What is the process for return or replacement of MLX90316LDC-BCS-000-SP?
All MLX90316LDC-BCS-000-SP units undergo pre-shipment inspection (PSI). If there is an issue with MLX90316LDC-BCS-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 MLX90316LDC-BCS-000-SP part is unused and in its original packaging.
Return procedure for MLX90316LDC-BCS-000-SP:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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