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Melexis Technologies NV MLX90316LDC-BDG-100-SP
- Part No.:
- MLX90316LDC-BDG-100-SP
- Manufacturer:
- Melexis Technologies NV
- Category:
- Angle, Linear Position Measuring
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
MLX90316LDC-BDG-100-SP.pdf
- Description:
- SENSOR ROTARY 360DEG SMD
- Quantity:
- Payment:
- Shipping:
Inventory:3,833
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Product details
Overview
MLX90316LDC-BDG-100-SP from Melexis is an absolute rotary position sensor IC using Triaxis® Hall technology to measure angular position of an end-of-shaft dipole magnet with 12-bit resolution, ±1° intrinsic linearity error, and programmable 0–360° range. It delivers ratiometric analog, PWM, or 14-bit SPI output in a SOIC-8 package rated for −40°C to +150°C operation, used in automotive throttle and steering wheel position sensing.
For engineers reviewing the MLX90316LDC-BDG-100-SP datasheet, pinout, applications, or equivalent options, key selection criteria include its programmable transfer characteristic, dual-die redundancy option (TSSOP-16), thermal offset drift of ±90 LSB15, 100–1000 Hz PWM frequency range, and SPI interface compatibility with PTC-04 programming unit.
Technical Context
The MLX90316LDC-BDG-100-SP integrates a Triaxis® magnetic front-end with on-chip IMC to sense horizontal flux components, feeding raw sine/cosine signals to a 16-bit RISC DSP for arctangent-based angle 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 output modes including analog (ratiometric), PWM (programmable polarity/frequency), and serial protocol (3-wire SPI). The BDG-100 variant specifically enables SPI communication and includes 40-bit unique ID storage.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Angular Resolution | 12-bit analog/PWM; 14-bit SPI - enables 0.022°/LSB precision for high-fidelity shaft angle reporting |
| Intrinsic Linearity Error | ±1° at 25°C - defines baseline angular accuracy before end-of-line calibration |
| Operating Temperature | −40°C to +150°C - supports under-hood automotive applications without external cooling |
| PWM Frequency Range | 100–1000 Hz - allows tuning for EMI reduction or dynamic response in motor control loops |
| Thermal Offset Drift | ±90 LSB15 - translates to ±0.3° max angular error over full temperature range (suffix L) |
| Supply Voltage | 4.5–5.5 V - compatible with standard 5 V automotive power rails and robust against ripple |
| Digital Interface | 3-wire SPI (MOSI/MISO/SCLK) - enables bidirectional configuration and real-time diagnostics without additional pins |
Pinout & Package
MLX90316LDC-BDG-100-SP uses RoHS-compliant SOIC-8 package (5.3 mm × 6.2 mm, 1.27 mm pitch) with integrated magneto-concentrator (IMC) positioned per Figure 19.3 of datasheet Rev 011.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | VDD | Main supply input (4.5–5.5 V); powers analog front-end, DSP, and output stage |
| 2 | Test 0 | Factory test pin; recommended to tie to VSS for EMC compliance |
| 3 | Switch OUT | Programmable digital switch output (0.55–4.35 V swing); usable as diagnostic flag or limit switch |
| 4 | Not Used / OUT2 | No connection in SOIC-8 single-die configuration; reserved for dual-die TSSOP-16 variants |
| 5 | OUT | Primary output: ratiometric analog (0.1–0.9×VDD), PWM, or SPI data depending on mode |
| 6 | Test 1 | Factory test pin; recommended to tie to VSS for EMC compliance |
| 7 | VDIG | Digital supply domain input; decoupled separately to reduce noise coupling into analog path |
| 8 | VSS | Analog ground reference; must be low-impedance connection to minimize offset drift |
Key Features
| Feature | Design Value |
|---|---|
| Triaxis® Sensing Architecture | Measures horizontal magnetic field components (VX/VY) via on-die IMC - eliminates need for external flux concentrators and improves airgap tolerance |
| End-of-Line Programmability | Full transfer function calibration (offset, gain, clamping, linearity, thermal drift) via PTC-04 through VDD/VSS/OUT pins - enables one-step production trimming without test fixtures |
| Dual Output Modes | Simultaneous analog + PWM or analog + SPI not supported; but selectable per application - reduces BOM count across platform variants |
| Integrated Diagnostics | Real-time broken-track detection (VDD/VSS open), watchdog timeout, and configurable diagnostic bands - meets ASIL-B functional safety requirements |
| 40-bit Unique ID | Factory-programmed MLXID/CUSTID fields stored in EEPROM - enables traceability, counterfeit prevention, and secure firmware binding |
Applications
| Steering Wheel Position Sensing | Throttle Position Sensing |
|---|---|
Use Scenario: Continuous measurement of steering column rotation angle for EPS assist torque calculation and lane-keeping systems. IC Role / Device Role / Timing Role: Absolute angular position sensor providing 12-bit ratiometric analog output synchronized to vehicle CAN bus timing cycles. Use Value: ±1° linearity and −40°C to +150°C operation ensure stable feedback under hood vibration, thermal cycling, and EMI exposure. | Use Scenario: Detection of accelerator pedal rotation to determine engine load and transmission shift points in gasoline/diesel powertrains. IC Role / Device Role / Timing Role: Redundant-capable position transducer delivering fail-safe PWM signal with <600 μs step response in Fast Mode. Use Value: Programmable clamping and deadzone allow precise mapping to pedal travel limits while rejecting mechanical hysteresis. |
| Pedal Position Sensing | Motor-Shaft Position Sensing |
Use Scenario: Brake or clutch pedal angular displacement monitoring for brake-by-wire and automated manual transmission control. IC Role / Device Role / Timing Role: Contactless rotary sensor interfacing directly to microcontroller ADC or PWM capture peripheral. Use Value: 100–1000 Hz PWM output frequency permits flexible timer resource allocation and EMI optimization in compact ECUs. | Use Scenario: Closed-loop commutation feedback for BLDC motors in HVAC blowers, power seats, and electric power steering actuators. IC Role / Device Role / Timing Role: High-resolution angular encoder replacement with SPI interface for deterministic angle readout in motor control loops. Use Value: 14-bit SPI output (0.022°/LSB) and <4 μs step response in Fast Mode support >20 kHz FOC update rates. |
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-075-SP | Dual-die TSSOP-16 package with full hardware redundancy; 16-bit SPI resolution; higher immunity to single-point failure | Required for ASIL-D systems where fault coverage mandates physical die separation | Select when functional safety certification (ISO 26262) demands dual-die architecture and diagnostic coverage >90% |
| AS5055A-BSOT | 14-bit resolution; SPI-only interface; no analog/PWM outputs; smaller QFN-16 package; lower max temp (125°C) | Suitable for space-constrained consumer or industrial encoders where only digital output is needed | Choose for cost-sensitive non-automotive designs requiring minimal footprint and no analog interface |
Compared with MLX90316LDC-BDG-100-SP, MLX90363KGO-ABD-075-SP provides hardware-level redundancy at the expense of larger footprint and higher cost, while AS5055A-BSOT offers higher resolution in a smaller package but lacks analog/PWM flexibility and extended temperature capability.
Availability
MLX90316LDC-BDG-100-SP is available at Aetrix Electronics and suitable for automotive throttle position sensing, steering angle measurement, and motor-shaft feedback applications requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for MLX90316LDC-BDG-100-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, infrared thermometry, and automotive ICs, with ISO/TS 16949-certified manufacturing and design operations.
The MLX90316 product line delivers contactless absolute rotary position sensing for automotive powertrain and chassis systems, emphasizing robustness against mechanical tolerances, magnetic interference, and thermal drift.
FAQ
What output interfaces does the MLX90316LDC-BDG-100-SP support?
The MLX90316LDC-BDG-100-SP supports three configurable output modes: ratiometric analog voltage (0.1–0.9×VDD), PWM (100–1000 Hz, programmable polarity), and 3-wire SPI (14-bit angle data). The BDG-100 suffix confirms SPI capability is enabled and factory-configured. All modes share the same OUT pin (Pin 5), selected via EEPROM programming - no hardware changes required to switch between them.
Does the MLX90316LDC-BDG-100-SP require external calibration equipment?
Yes, the MLX90316LDC-BDG-100-SP requires the Melexis PTC-04 programming unit for end-of-line calibration. This tool communicates exclusively through the VDD–VSS–OUT pins to program transfer characteristics, clamping levels, thermal compensation, and diagnostic thresholds into the device's 128 B EEPROM. No external ADC, DAC, or signal generator is needed - all calibration occurs in-system using the native interface.
What is the maximum allowable magnetic field strength for reliable operation of the MLX90316LDC-BDG-100-SP?
The MLX90316LDC-BDG-100-SP operates reliably up to ±700 mT magnetic flux density, but optimal linearity is maintained below 70 mT. Above 70 mT, the integrated magneto-concentrator (IMC) begins saturating, increasing intrinsic linearity error. For automotive-grade accuracy, Melexis recommends 20–50 mT operating range with a diametrically magnetized NdFeB magnet placed 1–3 mm above the package surface.
Can the MLX90316LDC-BDG-100-SP operate in Fast Mode continuously?
Yes, the MLX90316LDC-BDG-100-SP supports continuous Fast Mode operation (20 MHz clock, 200 μs sampling interval, <4 μs step response) across its full −40°C to +150°C range. However, Fast Mode increases supply current to 16 mA (vs. 11 mA in Slow Mode) and reduces noise filtering depth - system designers must verify EMI and thermal dissipation margins when selecting this mode for high-dynamic applications like motor commutation.
How is functional safety addressed in the MLX90316LDC-BDG-100-SP design?
The MLX90316LDC-BDG-100-SP incorporates multiple functional safety mechanisms: broken-VDD/VSS detection, watchdog timer (5 ms timeout), configurable diagnostic bands, and self-test routines executed at startup and runtime. While the single-die SOIC-8 version meets ASIL-B requirements, achieving ASIL-D necessitates the dual-die MLX90363 in TSSOP-16. All safety features are programmable via the PTC-04 and validated per ISO 26262 Part 5 Annex D.
MLX90316LDC-BDG-100-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:
- 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 ~ 150°C
- Grade:
- -
- Qualification:
- -
- Supplier Device Package:
- 8-SOIC
MLX90316LDC-BDG-100-SP FAQ
1.How can I place an order for MLX90316LDC-BDG-100-SP through Aetrix?
Please submit a Request for Quotation (RFQ) for MLX90316LDC-BDG-100-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-BDG-100-SP reliable?
The price and inventory of MLX90316LDC-BDG-100-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-BDG-100-SP is usually 5 days.
3.What payment methods are accepted for MLX90316LDC-BDG-100-SP?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MLX90316LDC-BDG-100-SP transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MLX90316LDC-BDG-100-SP?
MLX90316LDC-BDG-100-SP orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MLX90316LDC-BDG-100-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-BDG-100-SP?
For technical support, including MLX90316LDC-BDG-100-SP datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MLX90316LDC-BDG-100-SP requirements.
6.How does Aetrix verify that MLX90316LDC-BDG-100-SP is sourced from the original manufacturer or authorized distributors?
All MLX90316LDC-BDG-100-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-BDG-100-SP meets industry standards.
7.What is the process for return or replacement of MLX90316LDC-BDG-100-SP?
All MLX90316LDC-BDG-100-SP units undergo pre-shipment inspection (PSI). If there is an issue with MLX90316LDC-BDG-100-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-BDG-100-SP part is unused and in its original packaging.
Return procedure for MLX90316LDC-BDG-100-SP:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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