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Melexis Technologies NV MLX90316LDC-BCS-000-RE
- Part No.:
- MLX90316LDC-BCS-000-RE
- Manufacturer:
- Melexis Technologies NV
- Category:
- Angle, Linear Position Measuring
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
MLX90316LDC-BCS-000-RE.pdf
- Description:
- SENSOR ROTARY 360DEG SMD
- Quantity:
- Payment:
- Shipping:
Inventory:3,244
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Product details
Overview
MLX90316LDC-BCS-000-RE from Melexis is an absolute rotary position sensor IC using Triaxis® Hall technology to detect angular position of an end-of-shaft dipole magnet with 12-bit resolution, ±1° intrinsic linearity error, and programmable 0–360° range - deployed in automotive throttle and steering wheel position sensing.
For engineers reviewing the MLX90316LDC-BCS-000-RE datasheet, pinout, applications, or equivalent options, key selection factors include its SOIC-8 package, ratiometric analog/PWM/serial output modes, -40°C to +150°C operating range, on-chip DSP-based angular calculation, and end-of-line programmability via PTC-04.
Technical Context
The MLX90316LDC-BCS-000-RE integrates a Triaxis® magnetic front-end with an on-die IMC to sense horizontal flux components, enabling contactless angular measurement over full 360° rotation. Its 16-bit RISC DSP performs real-time arctangent computation and applies user-programmable transfer functions including offset, gain, clamping, and filtering.
It supports three output configurations: ratiometric analog (0–100% VDD), PWM (100–1000 Hz), or 14-bit SPI serial protocol - all configurable via EEPROM without external components. The device operates in Slow mode (7 MHz clock, 600 μs sampling) or Fast mode (20 MHz, 200 μs sampling), with thermal drift compensation for offset and sensitivity mismatch.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Angular Resolution | 12-bit (0.087°/LSB theoretical, noise-limited to ±0.06° pk-pk in slow mode) |
| Operating Temperature | -40°C to +150°C - qualified for under-hood automotive applications |
| Intrinsic Linearity Error | ±1° at 25°C - enables high-fidelity position feedback before calibration |
| Output Modes | Ratiometric analog, PWM (100–1000 Hz), or 14-bit SPI - selectable per application need |
| Supply Voltage | 4.5–5.5 V - compatible with standard 5 V automotive power rails |
| Supply Current | 8.5–16 mA - scales with mode (slow/fast) and output activity |
| Magnetic Range | 20–70 mT - optimized for small NdFeB dipole magnets with airgap tolerance |
Pinout & Package
MLX90316LDC-BCS-000-RE is housed in a RoHS-compliant SOIC-8 package with 1.27 mm pitch and integrated magneto-concentrator (IMC) positioned above die center. Unused pins (Test 0, Test 1) must be grounded for EMC compliance.
| Pin | Circuit Role | Design Meaning |
|---|---|---|
| 1 | VDD | Main supply input (4.5–5.5 V); powers analog/digital blocks and internal 3.3 V regulator |
| 2 | Test 0 | Factory test pin - must be connected to VSS for normal operation |
| 3 | Switch OUT | Programmable digital switch output (open-drain, 0.55–4.35 V swing) |
| 4 | Not Used / OUT2 | No connection in single-die BCS variant; reserved for dual-die versions |
| 5 | OUT | Primary output: analog ratiometric, PWM, or serial data depending on configuration |
| 6 | Test 1 | Factory test pin - must be connected to VSS for normal operation |
| 7 | VDIG | Digital supply rail for output stage and SPI interface (tied internally to VDD) |
| 8 | VSS | Analog/digital ground reference - critical for IMC signal integrity and EMC performance |
Key Features
| Feature | Design Value |
|---|---|
| Triaxis® IMC Sensing | Enables robust 360° angular measurement insensitive to airgap and off-axis misalignment |
| On-Chip DSP Processing | Performs real-time ATAN calculation and applies user-defined transfer characteristics without host MCU |
| End-of-Line Programmability | Full calibration (offset, gain, clamping, linearity, filter) via PTC-04 using only VDD/VSS/OUT pins |
| Multi-Mode Output | Single hardware supports analog, PWM, or SPI - reduces BOM and design variants |
| Diagnostic Capabilities | Includes broken-track detection (VDD/VSS), thermal drift compensation, and configurable watchdog |
Applications
| Steering Wheel Position Sensing | Throttle Position Sensing |
|---|---|
Use Scenario: Contactless angular measurement of rotating steering column shaft in EPS systems. IC Role / Device Role / Timing Role: Absolute position sensor providing real-time angle data to EPS ECU for torque assist control. Use Value: Eliminates mechanical wear and potentiometer drift; maintains ±1° accuracy across -40°C to +150°C with no recalibration. | Use Scenario: Monitoring accelerator pedal rotation in gasoline and hybrid powertrains. IC Role / Device Role / Timing Role: Primary throttle angle transducer feeding closed-loop engine management system. Use Value: Ratiometric analog output ensures immunity to supply rail variation; programmable clamping prevents saturation during pedal overtravel. |
| Pedal Position Sensing | Motor-Shaft Position Sensing |
Use Scenario: Brake or clutch pedal rotation detection in brake-by-wire and automated manual transmission systems. IC Role / Device Role / Timing Role: Safety-critical angular sensor delivering redundant position data to vehicle control unit. Use Value: 40-bit ID enables traceability; programmable DEADZONE parameter suppresses noise near pedal rest position. | Use Scenario: Commutation angle feedback for BLDC motors in electric power steering or HVAC blowers. IC Role / Device Role / Timing Role: High-speed angular encoder alternative with 200 μs step response in Fast mode. Use Value: 12-bit PWM output provides deterministic timing for motor gate drivers; no external ADC required. |
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-ABD-000-RE | TSSOP-16 dual-die redundant architecture; higher ASIL-B readiness; includes second independent output | Required for ISO 26262 ASIL-B functional safety systems where redundancy is mandated | Select when dual-die fault tolerance and diagnostic coverage >90% are required |
| AS5055A-DSOM | 14-bit resolution; SPI-only interface; no analog/PWM outputs; requires external voltage regulator | Suitable for space-constrained PCBs needing highest angular resolution but no multi-mode flexibility | Select when pure digital interface suffices and 0.022°/LSB resolution outweighs analog/PWM versatility |
Compared with MLX90316LDC-BCS-000-RE, the MLX90363 offers hardware redundancy for safety-critical use but increases footprint and cost; the AS5055A delivers finer resolution and lower power but lacks output flexibility and integrated regulation - making MLX90316LDC-BCS-000-RE optimal for cost-sensitive, multi-output automotive position sensing.
Availability
MLX90316LDC-BCS-000-RE is available at Aetrix Electronics and suitable for automotive throttle position sensing, steering angle monitoring, pedal position feedback, and motor-shaft commutation requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for MLX90316LDC-BCS-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 driver ICs for automotive and industrial markets, with core expertise in magnetic sensing and mixed-signal ASIC design.
The MLX90316 product line delivers contactless absolute rotary position sensing for harsh-environment automotive applications, emphasizing robustness against mechanical tolerances, thermal drift, and electromagnetic interference.
FAQ
What output modes does the MLX90316LDC-BCS-000-RE support?
The MLX90316LDC-BCS-000-RE supports three configurable output modes: ratiometric analog (0–100% VDD), PWM (100–1000 Hz), and 14-bit SPI serial protocol. Mode selection is stored in EEPROM and programmed via the PTC-04 unit using only VDD, VSS, and OUT pins - no external components or dedicated programming interface required. All modes operate within the same SOIC-8 footprint.
Does the MLX90316LDC-BCS-000-RE require an external magnet, and what type is recommended?
Yes, the MLX90316LDC-BCS-000-RE requires an external diametrically magnetized dipole magnet mounted on the rotating shaft end. Melexis recommends NdFeB magnets with Br ≥ 1.2 T and dimensions ~5 mm diameter × 2 mm thickness, positioned 1–3 mm above the IMC surface. Magnetic field strength must stay within 20–70 mT at the die surface to avoid IMC saturation and maintain ±1° linearity.
How is the MLX90316LDC-BCS-000-RE calibrated for specific mechanical ranges?
The MLX90316LDC-BCS-000-RE is calibrated end-of-line using Melexis' PTC-04 programming unit, which communicates through VDD-VSS-OUT pins. Users define angular range (0–360°), transfer slope, offset, clamping levels, and filtering coefficients - all stored in 128 B EEPROM. Calibration compensates for mechanical tolerances (airgap, eccentricity) and thermal drift, achieving <±0.3° total error over -40°C to +150°C after calibration.
What is the function of the Switch OUT pin on the MLX90316LDC-BCS-000-RE?
The Switch OUT pin (Pin 3) on the MLX90316LDC-BCS-000-RE provides a programmable open-drain digital output that can be configured as a threshold-triggered switch (e.g., pedal limit detection) or as a diagnostic flag (e.g., VDD fault). Its activation point, hysteresis, and polarity are fully programmable via EEPROM. In default configuration, it asserts low when angular position exceeds a user-defined discontinuity point.
Is the MLX90316LDC-BCS-000-RE qualified for automotive under-hood applications?
Yes, the MLX90316LDC-BCS-000-RE is AEC-Q100 Grade 0 qualified (-40°C to +150°C ambient), with built-in diagnostics including broken-track detection (VDD/VSS), thermal drift compensation, and watchdog timer. Its SOIC-8 package features reinforced molding compound for humidity resistance, and the Triaxis® IMC architecture ensures stable operation despite vibration, thermal cycling, and EMI - meeting requirements for throttle, steering, and brake position sensing in modern powertrain and chassis systems.
MLX90316LDC-BCS-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:
- 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-RE FAQ
1.How can I place an order for MLX90316LDC-BCS-000-RE through Aetrix?
Please submit a Request for Quotation (RFQ) for MLX90316LDC-BCS-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 MLX90316LDC-BCS-000-RE reliable?
The price and inventory of MLX90316LDC-BCS-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 MLX90316LDC-BCS-000-RE is usually 5 days.
3.What payment methods are accepted for MLX90316LDC-BCS-000-RE?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MLX90316LDC-BCS-000-RE transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MLX90316LDC-BCS-000-RE?
MLX90316LDC-BCS-000-RE orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MLX90316LDC-BCS-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 MLX90316LDC-BCS-000-RE?
For technical support, including MLX90316LDC-BCS-000-RE datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MLX90316LDC-BCS-000-RE requirements.
6.How does Aetrix verify that MLX90316LDC-BCS-000-RE is sourced from the original manufacturer or authorized distributors?
All MLX90316LDC-BCS-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 MLX90316LDC-BCS-000-RE meets industry standards.
7.What is the process for return or replacement of MLX90316LDC-BCS-000-RE?
All MLX90316LDC-BCS-000-RE units undergo pre-shipment inspection (PSI). If there is an issue with MLX90316LDC-BCS-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 MLX90316LDC-BCS-000-RE part is unused and in its original packaging.
Return procedure for MLX90316LDC-BCS-000-RE:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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