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Melexis Technologies NV MLX90316EDC-BDG-100-RE
- Part No.:
- MLX90316EDC-BDG-100-RE
- Manufacturer:
- Melexis Technologies NV
- Category:
- Angle, Linear Position Measuring
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
MLX90316EDC-BDG-100-RE.pdf
- Description:
- SENSOR ROTARY 360DEG SMD
- Quantity:
- Payment:
- Shipping:
Inventory:2,915
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Product details
Overview
MLX90316EDC-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 MLX90316EDC-BDG-100-RE datasheet, pinout, applications, or equivalent options, key selection criteria include its SOIC-8 package, -40°C to 125°C operating range, 14-bit serial protocol resolution, programmable transfer characteristic, and dual-die redundancy option compatibility.
Technical Context
The MLX90316EDC-BDG-100-RE implements a contactless end-of-shaft sensing architecture using on-die VX/VY Hall sensors and IMC to detect horizontal magnetic flux components; angular position is computed via on-chip DSP using CoRDiC-based rectangular-to-polar conversion.
It supports three output modes: ratiometric analog (0–100% VDD), PWM (100–1000 Hz), or 14-bit SPI (3-wire, /SS/SCLK/MOSI-MISO), with full end-of-line programmability of offset, gain, clamping, linearity, filtering, and thermal drift compensation via PTC-04 programmer.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Angular Resolution | 12-bit (0.0879°/LSB) for analog/PWM; 14-bit (0.0219°/LSB) for SPI output |
| Operating Temperature | -40°C to +125°C (K-grade), validated per AEC-Q100 Grade 0 |
| Output Options | Ratiometric analog (0–100% VDD), PWM (100–1000 Hz), or 3-wire SPI (14-bit angle + diagnostics) |
| Accuracy | ±1° intrinsic linearity error at 25°C; ±10-bit thermal angular accuracy over full temperature range |
| Supply Voltage | 4.5–5.5 V; reverse voltage protection to -10 V; overvoltage tolerance to +20 V |
| Magnetic Range | Operates with 20–70 mT dipole magnet field; IMC saturation begins above 70 mT |
| Programmable ID | 40-bit unique identifier (16-bit MLXID ×3 + 8-bit CUSTID1/2/3) for traceability and calibration binding |
Pinout & Package
MLX90316EDC-BDG-100-RE uses RoHS-compliant SOIC-8 package (5.3 mm × 6.2 mm × 1.75 mm), optimized for surface-mount assembly and high-vibration environments. Pin 1 = VDD, Pin 2 = Test 0, Pin 3 = Switch OUT, Pin 4 = Not Used / OUT2 (not enabled in this variant), Pin 5 = OUT (analog/PWM), Pin 6 = Test 1, Pin 7 = VDIG, Pin 8 = VSS.
| Pin | Circuit Role | Design Meaning |
|---|---|---|
| 1 | VDD | Main supply input (4.5–5.5 V); powers internal regulator and digital core |
| 2 | Test 0 | Factory test pin; recommended tied to VSS for EMC stability |
| 3 | Switch OUT | Programmable open-drain diagnostic or user-defined switch output (0.55–4.35 V swing) |
| 4 | Not Used | No internal connection; must be grounded per EMC guidelines |
| 5 | OUT | Primary output: ratiometric analog (0–100% VDD), PWM, or SPI data (MOSI/MISO shared) |
| 6 | Test 1 | Factory test pin; recommended tied to VSS for EMC stability |
| 7 | VDIG | Digital supply domain (separate from analog VDD); decoupling required |
| 8 | VSS | Analog/digital ground reference; critical for noise immunity and accuracy |
Key Features
| Feature | Design Value |
|---|---|
| Triaxis® IMC Sensing | Enables robust contactless angular measurement insensitive to airgap and off-axis misalignment |
| End-of-Line Programmability | Full calibration of transfer function (offset, gain, clamping, linearity, thermal drift) via PTC-04 over VDD/VSS/OUT pins |
| Multi-Mode Output | Single device supports analog, PWM, and SPI outputs - selected via EEPROM configuration, no hardware change |
| On-Chip DSP Processing | 16-bit RISC CPU (5 MIPS @ 20 MHz) performs real-time CoRDiC angular calculation and filtering |
| Dual-Die Redundancy Ready | SOIC-8 footprint compatible with TSSOP-16 dual-die variants (e.g., MLX90316KGO-BDG-100-RE) for ASIL-B/C systems |
Applications
| Steering Wheel Position Sensing | Throttle Position Sensing |
|---|---|
Use Scenario: Installed behind steering column to detect absolute rotation angle without mechanical wear or contact degradation. IC Role / Device Role / Timing Role: Absolute angular position sensor providing real-time 12-bit analog or PWM feedback to EPS ECU. Use Value: Enables precise torque overlay and lane-keeping assist via <0.1° repeatability and <±1° linearity error at 25°C. | Use Scenario: Mounted on accelerator pedal arm to convert mechanical travel into proportional electronic signal for engine control. IC Role / Device Role / Timing Role: Contactless potentiometer replacement delivering ratiometric analog output synchronized to engine timing. Use Value: Eliminates wear-induced drift; maintains ±0.3%VDD thermal offset drift over -40°C to +125°C for emission-critical closed-loop control. |
| Pedal Position Sensing | Motor-Shaft Position Sensing |
Use Scenario: Integrated into brake or clutch pedal assemblies to monitor driver input for ADAS braking intervention and regenerative braking coordination. IC Role / Device Role / Timing Role: High-reliability absolute position sensor with programmable deadzone and hysteresis for switch-like behavior. Use Value: Supports functional safety via configurable diagnostics (broken VDD/VSS detection) and 40-bit traceable ID for calibration binding. | Use Scenario: Embedded in BLDC motor housings to provide commutation feedback for field-oriented control (FOC) without encoder complexity. IC Role / Device Role / Timing Role: Rotary position transducer reporting 0–360° shaft angle with 14-bit SPI output for low-latency motor control loop. Use Value: Delivers <4 µs step response in fast mode with filter=0, enabling >20 kHz current loop bandwidth in servo drives. |
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 |
|---|---|---|---|
| MLX90363KDC-BCG-000-RE | Higher 16-bit resolution, integrated 3D Hall + IMC, supports 0–360° and multi-turn via external gear; no SPI interface | Targeted at high-precision industrial robotics and medical actuators requiring sub-0.01° repeatability | Select when higher resolution and multi-turn capability outweigh need for serial communication and cost sensitivity |
| AMS AS5055A-DSO24 | 12-bit SPI-only output, no analog/PWM; 3.3 V only; smaller TSSOP-24 package; lacks programmable transfer function | Suitable for space-constrained consumer electronics where fixed linear transfer suffices | Select only if system already uses 3.3 V supply and requires minimal footprint - not drop-in for MLX90316EDC-BDG-100-RE's dual-supply flexibility or calibration features |
Compared with MLX90316EDC-BDG-100-RE, MLX90363 offers superior resolution but sacrifices output flexibility and programmability, while AS5055A reduces size and cost at the expense of thermal accuracy, analog compatibility, and end-user calibration - making MLX90316EDC-BDG-100-RE optimal for automotive-grade systems needing field-programmable robustness across voltage and interface domains.
Availability
MLX90316EDC-BDG-100-RE is available at Aetrix Electronics and suitable for automotive throttle position sensing, steering angle monitoring, and industrial motor-shaft feedback applications requiring stable component supply, long-term lifecycle support, and AEC-Q100-compliant performance.
Supply support for MLX90316EDC-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 sensor solutions for automotive, industrial, and medical markets, with expertise in Hall-effect, IR, and pressure sensing technologies.
The MLX90316 product line delivers contactless absolute rotary position sensing for safety-critical automotive subsystems - designed specifically to replace potentiometers and incremental encoders in harsh environments with high EMC immunity and extended temperature operation.
FAQ
What output modes does the MLX90316EDC-BDG-100-RE support?
The MLX90316EDC-BDG-100-RE supports three configurable output modes stored in EEPROM: ratiometric analog (0–100% VDD), PWM (100–1000 Hz), or 3-wire SPI (14-bit angle + diagnostics). Mode selection is performed during programming using the PTC-04 unit - no hardware changes are needed to switch between modes after deployment.
Does MLX90316EDC-BDG-100-RE require an external magnet, and what specifications are recommended?
Yes, MLX90316EDC-BDG-100-RE requires an external diametrically magnetized dipole magnet positioned end-of-shaft above the IMC surface. Melexis recommends magnets with 20–70 mT field strength at the die surface, ≤ ±10° angular tolerance, and temperature coefficient ≤ ±2400 ppm/°C - typical neodymium magnets (e.g., N35–N52) sized 3–6 mm diameter × 1–3 mm thickness meet these requirements.
How is the MLX90316EDC-BDG-100-RE calibrated, and what tools are needed?
MLX90316EDC-BDG-100-RE is calibrated end-of-line using the Melexis PTC-04 programming unit, which communicates exclusively through the VDD–VSS–OUT pins. Calibration configures angular range, transfer function (offset/gain/clamping), filtering, diagnostics, and ID - all stored in on-chip EEPROM. No additional hardware interfaces or PCB traces are required beyond standard power and output connections.
What is the operating temperature range and qualification status of MLX90316EDC-BDG-100-RE?
MLX90316EDC-BDG-100-RE operates from -40°C to +125°C and is qualified to AEC-Q100 Grade 0. Its K-temperature suffix confirms full validation across this range, including thermal cycling, HTOL, and ESD testing - making it suitable for under-hood automotive applications such as throttle bodies and steering columns.
Can MLX90316EDC-BDG-100-RE be used in safety-critical systems requiring redundancy?
While MLX90316EDC-BDG-100-RE itself is a single-die SOIC-8 device, its pinout and firmware are fully compatible with Melexis' dual-die TSSOP-16 variants (e.g., MLX90316KGO-BDG-100-RE). This enables drop-in redundancy migration - same PCB footprint, identical calibration workflow, and synchronized dual-output reporting - supporting ASIL-B/C system architectures without redesign.
MLX90316EDC-BDG-100-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:
- 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:
- 8-SOIC
MLX90316EDC-BDG-100-RE FAQ
1.How can I place an order for MLX90316EDC-BDG-100-RE through Aetrix?
Please submit a Request for Quotation (RFQ) for MLX90316EDC-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 MLX90316EDC-BDG-100-RE reliable?
The price and inventory of MLX90316EDC-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 MLX90316EDC-BDG-100-RE is usually 5 days.
3.What payment methods are accepted for MLX90316EDC-BDG-100-RE?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MLX90316EDC-BDG-100-RE transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MLX90316EDC-BDG-100-RE?
MLX90316EDC-BDG-100-RE orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MLX90316EDC-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 MLX90316EDC-BDG-100-RE?
For technical support, including MLX90316EDC-BDG-100-RE datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MLX90316EDC-BDG-100-RE requirements.
6.How does Aetrix verify that MLX90316EDC-BDG-100-RE is sourced from the original manufacturer or authorized distributors?
All MLX90316EDC-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 MLX90316EDC-BDG-100-RE meets industry standards.
7.What is the process for return or replacement of MLX90316EDC-BDG-100-RE?
All MLX90316EDC-BDG-100-RE units undergo pre-shipment inspection (PSI). If there is an issue with MLX90316EDC-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 MLX90316EDC-BDG-100-RE part is unused and in its original packaging.
Return procedure for MLX90316EDC-BDG-100-RE:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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