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Melexis Technologies NV MLX90316EGO-BDG-100-RE
- Part No.:
- MLX90316EGO-BDG-100-RE
- Manufacturer:
- Melexis Technologies NV
- Category:
- Angle, Linear Position Measuring
- Package:
- 16-TSSOP (0.173", 4.40mm Width)
- Datasheet:
-
MLX90316EGO-BDG-100-RE.pdf
- Description:
- SENSOR ROTARY 360DEG SMD
- Quantity:
- Payment:
- Shipping:
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Product details
Overview
MLX90316EGO-BDG-100-RE from Melexis is an absolute rotary position sensor IC using Triaxis® Hall technology with integrated magneto-concentrator (IMC), delivering 12-bit angular resolution, programmable 0–360° range, and selectable ratiometric analog/PWM/3-wire SPI output - deployed in automotive throttle and steering wheel position sensing.
For engineers reviewing the MLX90316EGO-BDG-100-RE datasheet, pinout, applications, or equivalent options, key selection criteria include its TSSOP-16 dual-die redundancy, ±700 mT magnetic tolerance, -40°C to +150°C operating range, and end-of-line programmability via PTC-04 through VDD/VSS/OUT pins.
Technical Context
The MLX90316EGO-BDG-100-RE implements a monolithic Triaxis® sensing architecture that detects the horizontal component of rotating dipole magnet flux via on-die IMC, enabling robust angular measurement across mechanical airgap and off-axis tolerances. Its DSP-based signal processing computes absolute angle from sine/cosine raw ADC outputs (14-bit typical) and supports full transfer function calibration including offset, gain, clamping, linearity, and thermal drift compensation.
This variant features SPI serial protocol mode (BDG-100 suffix), dual-die TSSOP-16 packaging for functional safety compliance, isolated inter-die isolation resistance ≥4 MΩ, and programmable watchdog (5 ms timeout). It operates in Fast Mode (20 MHz clock, 200 μs sampling) or Slow Mode (7 MHz, 600 μs), with configurable FIR/IIR filtering and diagnostic reporting via dedicated Switch Out and diagnostic voltage levels.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Angular Resolution | 12-bit (0.088°/LSB theoretical); 14-bit SPI output maps to 0.022°/LSB over 360° |
| Operating Temperature | -40°C to +150°C (K-grade qualification; enables under-hood automotive use) |
| Magnetic Range | ±700 mT maximum flux density; linear operation up to ±70 mT before IMC saturation |
| Output Options | Selectable ratiometric analog, PWM (100–1000 Hz), or 3-wire SPI (MOSI/MISO/SCLK/SS) |
| Accuracy | ±1° intrinsic linearity error at 25°C; ±0.3%VDD thermal offset drift (K-grade) in analog mode |
| Package | TSSOP-16, RoHS-compliant, dual-die redundant architecture for ASIL-B/C systems |
| Supply Voltage | 4.5–5.5 V nominal; ±20 V absolute max; reverse voltage protection to -10 V |
Pinout & Package
TSSOP-16 package with dual-die redundancy, 4.4 mm × 5.0 mm body, 0.65 mm pitch, and exposed thermal pad (not electrically connected). Pin 1 marked with dot; recommended grounding of all unused/test pins per EMC guidelines.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 9, 11 | VDD1 / VDIG2 / VDD2 | Independent power rails for die 1 and die 2; enables fault-isolated supply domains |
| 2, 10, 12 | VSS1 / VSS2 / Test 12 | Dedicated ground returns per die; Test 12 reserved for factory diagnostics |
| 3, 13 | VDIG1 / Switch OUT1 | Digital I/O supply (VDIG1); programmable open-drain switch output (OUT1) with hysteresis |
| 4, 14 | Test 01 / SCLK2 | Factory test access (Test 01); secondary SPI clock input (SCLK2) for die 2 |
| 5, 15 | Switch OUT2 / MOSI1/MISO1 | Dual-switch capability (OUT2); primary SPI data I/O shared between dies |
| 6, 16 | Not Used¹ / Test 11 | No internal connection (pin 6); Test 11 for post-package characterization |
| 7 | OUT2 | Secondary analog/PWM output (die 1); independently programmable transfer characteristic |
| 8 | VSS | Main system ground reference; tied internally to VSS1/VSS2 for common-mode control |
Key Features
| Feature | Design Value |
|---|---|
| Dual-die redundancy | Two independent sensor dies in one TSSOP-16 package with ≥4 MΩ inter-die isolation for fault detection |
| Triaxis® + IMC sensing | On-chip magneto-concentrator enables contactless 360° absolute angle measurement with high immunity to airgap variation |
| End-of-line programmability | Full transfer function calibration (offset, gain, clamping, linearity, filtering) via PTC-04 using only VDD/VSS/OUT pins |
| Multi-output flexibility | Simultaneous analog/PWM on OUT1 and SPI on dedicated pins - no shared resource contention |
| Diagnostic coverage | Built-in broken-VDD/VSS detection, watchdog timer (5 ms), and configurable diagnostic output voltage levels |
Applications
| Steering Wheel Position Sensing | Throttle Position Sensing |
|---|---|
Use Scenario: Real-time angular feedback for EPS (Electric Power Steering) control and lane-keeping assist systems. IC Role / Device Role / Timing Role: Absolute rotary position sensor measuring shaft rotation with <±1° accuracy and <10 ms latency. Use Value: Enables precise torque overlay and steering angle estimation without mechanical wear or contact degradation. | Use Scenario: Closed-loop engine management where pedal-to-throttle mapping must survive vibration, temperature cycling, and EMI. IC Role / Device Role / Timing Role: Redundant angular transducer providing dual-channel SPI + analog outputs for ASIL-B compliance. Use Value: Dual-die architecture allows cross-checking and fail-safe shutdown during out-of-range or inconsistent readings. |
| Pedal Position Sensing | Ride Height Control |
Use Scenario: Brake and accelerator pedal travel monitoring in brake-by-wire and adaptive cruise control. IC Role / Device Role / Timing Role: Contactless potentiometer replacement with programmable deadzone and hysteresis to suppress noise-induced jitter. Use Value: 12-bit resolution and thermal drift compensation ensure consistent pedal response across -40°C to +150°C ambient. | Use Scenario: Active suspension systems adjusting damping based on real-time chassis inclination. IC Role / Device Role / Timing Role: Angular encoder detecting torsion bar twist or linkage rotation in harsh under-vehicle environments. Use Value: IMC-enhanced sensitivity enables reliable operation with low-strength magnets and large airgaps (>3 mm). |
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 |
|---|---|---|---|
| MLX90363GO-ADB-000-RE | Single-die TSSOP-16, 16-bit SPI output, no dual-die redundancy, higher resolution (0.0055°/LSB) | Lacks functional safety support; suitable for non-ASIL cost-sensitive industrial encoders | Choose when highest angular precision is required but redundancy is not mandated. |
| AMS AS5055A-TS | 14-bit Hall-based rotary sensor, SOIC-8, 3.3 V supply, SPI-only interface, no analog/PWM outputs | No dual-die architecture; lower temperature rating (-40°C to +125°C); lacks programmable transfer function | Choose for space-constrained designs needing compact footprint and simple SPI readout only. |
Compared with MLX90316EGO-BDG-100-RE, MLX90363GO-ADB-000-RE offers finer resolution but no redundancy, while AMS AS5055A-TS reduces package size and supply voltage at the expense of configurability and safety architecture - making MLX90316EGO-BDG-100-RE optimal for ASIL-B automotive subsystems requiring field-programmable multi-output flexibility.
Availability
MLX90316EGO-BDG-100-RE is available at Aetrix Electronics and suitable for automotive throttle position sensing, steering angle measurement, and ride height control systems requiring stable component supply, long-term lifecycle assurance, and ASIL-compliant redundancy.
Supply support for MLX90316EGO-BDG-100-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, infrared thermometry, and LIN/CAN interface solutions.
The MLX90316 product line delivers contactless absolute angular position sensing for safety-critical automotive subsystems, emphasizing robustness against mechanical tolerances, end-of-line programmability, and functional safety-ready dual-die architectures.
FAQ
What output interfaces does the MLX90316EGO-BDG-100-RE support?
The MLX90316EGO-BDG-100-RE supports three configurable output modes: ratiometric analog voltage (0–100% VDD), PWM (100–1000 Hz, programmable duty cycle), and 3-wire SPI (MOSI/MISO/SCLK/SS). The BDG-100 suffix confirms SPI capability. All modes are selectable via EEPROM programming using the PTC-04 tool - no hardware changes required. The device also provides a dedicated Switch Out pin with hysteresis for threshold-based alerts.
How does the dual-die architecture in MLX90316EGO-BDG-100-RE improve functional safety?
The MLX90316EGO-BDG-100-RE integrates two independent sensor dies in a single TSSOP-16 package, each with separate VDD/VSS rails and isolated signal paths. Inter-die isolation resistance exceeds 4 MΩ, enabling cross-die comparison for fault detection. This architecture supports ASIL-B/C compliance by allowing real-time consistency checking, independent diagnostics (e.g., broken-VDD detection per die), and graceful degradation - critical for automotive steering and throttle applications where single-point failure must be mitigated.
Can the MLX90316EGO-BDG-100-RE measure full 360-degree rotation?
Yes, the MLX90316EGO-BDG-100-RE is explicitly designed for absolute 0–360° angular measurement using Triaxis® Hall technology and an integrated magneto-concentrator (IMC). Its DSP processes sine/cosine raw signals to compute unambiguous absolute angle over a complete revolution. The programmable discontinuity point (DP) register allows users to define the zero-degree reference anywhere within the 360° range, and the CLOCKWISE parameter configures directionality - both calibrated end-of-line via PTC-04.
What is the role of the IMC in the MLX90316EGO-BDG-100-RE?
The Integrated Magneto-Concentrator (IMC) is a ferromagnetic structure fabricated directly on the MLX90316EGO-BDG-100-RE die surface. It concentrates and redirects the horizontal component of an external rotating dipole magnet's flux toward the on-chip Hall elements. This enables high-sensitivity, contactless 360° angle detection while maintaining robustness against mechanical tolerances - particularly airgap variation (±0.5 mm) and off-axis misalignment - without requiring high-strength magnets or tight assembly constraints.
Does the MLX90316EGO-BDG-100-RE require external components for basic operation?
No external components are required for basic operation of the MLX90316EGO-BDG-100-RE. It integrates a 3.3 V regulator, EEPROM, DSP, and output drivers. A single 4.5–5.5 V supply, decoupling capacitor (≥100 nF ceramic near VDD/VSS), and pull-up/pull-down resistors only if using open-drain outputs (e.g., Switch Out). The PTC-04 programming unit connects solely to VDD/VSS/OUT pins for calibration - no additional interface circuitry needed. Unused pins should be grounded per Melexis EMC recommendations.
MLX90316EGO-BDG-100-RE Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Melexis Technologies NV
- Package/Case:
- 16-TSSOP (0.173", 4.40mm 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:
- SPI
- 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 ~ 85°C
- Grade:
- -
- Qualification:
- -
- Supplier Device Package:
- 16-TSSOP
MLX90316EGO-BDG-100-RE FAQ
1.How can I place an order for MLX90316EGO-BDG-100-RE through Aetrix?
Please submit a Request for Quotation (RFQ) for MLX90316EGO-BDG-100-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 MLX90316EGO-BDG-100-RE reliable?
The price and inventory of MLX90316EGO-BDG-100-RE are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MLX90316EGO-BDG-100-RE is usually 5 days.
3.What payment methods are accepted for MLX90316EGO-BDG-100-RE?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MLX90316EGO-BDG-100-RE transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MLX90316EGO-BDG-100-RE?
MLX90316EGO-BDG-100-RE orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MLX90316EGO-BDG-100-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 MLX90316EGO-BDG-100-RE?
For technical support, including MLX90316EGO-BDG-100-RE datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MLX90316EGO-BDG-100-RE requirements.
6.How does Aetrix verify that MLX90316EGO-BDG-100-RE is sourced from the original manufacturer or authorized distributors?
All MLX90316EGO-BDG-100-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 MLX90316EGO-BDG-100-RE meets industry standards.
7.What is the process for return or replacement of MLX90316EGO-BDG-100-RE?
All MLX90316EGO-BDG-100-RE units undergo pre-shipment inspection (PSI). If there is an issue with MLX90316EGO-BDG-100-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 MLX90316EGO-BDG-100-RE part is unused and in its original packaging.
Return procedure for MLX90316EGO-BDG-100-RE:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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