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Melexis Technologies NV MLX90316EGO-BDG-100-TU
- Part No.:
- MLX90316EGO-BDG-100-TU
- Manufacturer:
- Melexis Technologies NV
- Category:
- Angle, Linear Position Measuring
- Package:
- 16-TSSOP (0.173", 4.40mm Width)
- Datasheet:
-
MLX90316EGO-BDG-100-TU.pdf
- Description:
- SENSOR ROTARY 360DEG SMD
- Quantity:
- Payment:
- Shipping:
Inventory:3,989
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Product details
Overview
MLX90316EGO-BDG-100-TU 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 and operates from -40°C to +150°C in TSSOP-16 dual-die package for automotive throttle and steering applications.
For engineers reviewing the MLX90316EGO-BDG-100-TU datasheet, pinout, applications, or equivalent options, key selection factors include its dual-die redundancy, SPI interface capability (BDG-100 variant), 14-bit serial angular resolution, thermal offset drift ≤±90 LSB15, and programmable transfer characteristic via PTC-04 calibration unit.
Technical Context
The MLX90316EGO-BDG-100-TU integrates a Triaxis® magnetic front-end with on-chip IMC to sense horizontal flux components, enabling robust airgap and off-axis tolerance. Its 16-bit RISC DSP performs real-time angular calculation from sine/cosine ADC outputs (14-bit in fast mode) and supports full end-of-line calibration of offset, gain, clamping, and linearity.
This variant implements SPI communication (MOSI/MISO/SCLK/SS) across two independent dies in TSSOP-16, with isolated VDD/VSS/VDIG rails per die and dedicated diagnostic signaling. The BDG-100 option enables SPI protocol mode with 14-bit angular data, 360° mapping, and 0.022°/LSB resolution - distinct from analog/PWM-only versions.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Angular Resolution | 14-bit serial output (0.022°/LSB), 12-bit analog/PWM (0.088°/LSB) |
| Intrinsic Linearity Error | ±1° at TA = 25°C - defines base angular accuracy before calibration |
| Operating Temperature | -40°C to +150°C - qualified for under-hood automotive use |
| Magnetic Range | 20–70 mT - optimal flux density for IMC-based sensing without saturation |
| Output Options | Ratiometric analog, 100–1000 Hz PWM, or 3-wire SPI - selectable per application |
| Dual-Die Isolation | 4 MΩ inter-die isolation - enables functional safety architectures (ASIL B/C) |
| Supply Current | 13.5 mA typical (fast mode, per die) - total ~27 mA for dual-die operation |
Pinout & Package
TSSOP-16 dual-die package with separate power/ground domains for redundancy; RoHS compliant, 4.4 mm × 5.0 mm footprint, 1.2 mm height.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 11 | VDD1 / VDD2 | Independent supply rails for Die 1 and Die 2 - enables fault-isolated power domains |
| 2, 10 | VSS1 / VSS2 | Independent ground returns - critical for EMC and diagnostic integrity |
| 3, 13 | VDIG1 / VDIG2 | Digital I/O voltage reference per die - decouples analog/digital noise coupling |
| 4, 12 | Test 01 / Test 02 | Factory test points - must be grounded per EMC recommendation |
| 5, 15 | OUT1 / OUT2 | Primary analog/PWM output (Die 1) and secondary configurable output (Die 2) |
| 6, 16 | Test 11 / Test 12 | Additional factory test terminals - require grounding for stable operation |
| 7 | MOSI/MISO | Shared bidirectional SPI data line - used only in BDG-100 SPI mode |
| 8 | SCLK | SPI clock input - synchronous timing for 14-bit angular data reads |
| 9 | /SS | Slave select active-low - enables multi-device SPI bus sharing |
Key Features
| Feature | Design Value |
|---|---|
| Dual-die redundancy | Two independent sensing paths in one TSSOP-16 package - supports ASIL B/C system-level fault detection |
| Programmable transfer function | End-of-line calibration of offset, gain, clamping, deadzone, and linearity via PTC-04 - eliminates mechanical trimming |
| Triaxis® + IMC sensing | Measures horizontal flux component only - achieves ±0.5° angular error over ±1 mm airgap and ±0.5 mm lateral misalignment |
| SPI angular reporting | 14-bit raw angle (0–16383) mapped to 0–360° - enables high-precision closed-loop control without external ADC |
| Self-diagnostic capability | Broken VDD/VSS detection, EEPROM CRC check, and signal path monitoring - reduces need for external watchdog circuitry |
Applications
| Steering Wheel Position Sensing | Throttle Valve Position Sensing |
|---|---|
Use Scenario: Contactless measurement of steering column rotation in EPS systems with high vibration and temperature cycling. IC Role / Device Role / Timing Role: Absolute angular transducer providing primary feedback to motor controller with <1 ms step response (fast mode, filter=0). Use Value: Eliminates potentiometer wear and contact bounce; dual-die architecture enables cross-checking for ASIL C compliance. | Use Scenario: Real-time tracking of butterfly valve angle in gasoline direct injection engines under under-hood temperatures up to 150°C. IC Role / Device Role / Timing Role: Redundant position sensor feeding ECU with SPI and PWM outputs for fail-operational torque management. Use Value: Programmable clamping prevents erroneous full-throttle signals during transient EMI events; thermal drift compensated to ±0.4%VDD. |
| Pedal Travel Position Sensing | Ride Height Adjustment Sensing |
Use Scenario: Detection of accelerator pedal angular displacement in brake-by-wire and regenerative braking coordination. IC Role / Device Role / Timing Role: Safety-critical input device with dual-die diagnostics and lockable EEPROM configuration. Use Value: 40-bit unique ID enables traceability per vehicle; programmable DEADZONE suppresses idle-position noise without hysteresis lag. | Use Scenario: Monitoring suspension travel in adaptive damping systems where magnet alignment varies with chassis flex. IC Role / Device Role / Timing Role: Robust angular encoder tolerant to ±0.8 mm airgap variation and ±2° axial tilt. Use Value: Triaxis®+IMC design maintains ±1.2° total error across mechanical tolerances - avoids costly precision mounting hardware. |
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-100-SP | Single-die TSSOP-16, same SPI interface but no dual-die redundancy or inter-die isolation | Lacks functional safety support for ASIL B/C - suitable for non-safety-critical HVAC dampers | Select when cost sensitivity outweighs redundancy requirements and diagnostic coverage |
| AMS AS5055A-BQFT | 12-bit SPI-only magnetic encoder, no analog/PWM outputs, 3.3 V only, no programmable transfer function | Requires external signal conditioning for analog interfaces; limited calibration flexibility | Choose for compact 5 mm × 5 mm QFN designs where only digital output is needed |
Compared with MLX90316EGO-BDG-100-TU, MLX90363KGO-100-SP offers identical SPI functionality at lower cost but omits dual-die fault containment, while AMS AS5055A-BQFT provides smaller footprint and lower supply current but lacks output flexibility and field-programmable linearity correction.
Availability
MLX90316EGO-BDG-100-TU is available at Aetrix Electronics and suitable for automotive throttle control, steering angle feedback, and ride height adjustment systems requiring stable component supply, long-term lifecycle assurance, and ASIL-compliant sourcing.
Supply support for MLX90316EGO-BDG-100-TU 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 certification and AEC-Q200 qualification expertise.
The MLX90316 product line delivers contactless absolute angular position sensing for safety-critical automotive subsystems, emphasizing robustness against mechanical tolerances, thermal drift, and electromagnetic interference.
FAQ
What output modes does the MLX90316EGO-BDG-100-TU support?
The MLX90316EGO-BDG-100-TU supports three configurable output modes: ratiometric analog voltage (0–VDD), PWM (100–1000 Hz), and 3-wire SPI (14-bit angle data). The BDG-100 suffix confirms SPI capability is enabled and factory-configured; analog and PWM remain simultaneously available but require mode selection via programming.
How is redundancy implemented in the MLX90316EGO-BDG-100-TU?
The MLX90316EGO-BDG-100-TU uses physically separate silicon dice in a single TSSOP-16 package, each with independent VDD/VSS/VDIG rails, magnetic sensing elements, and signal chains. Inter-die isolation exceeds 4 MΩ, allowing independent fault detection and cross-validation - a core requirement for ASIL B/C automotive systems.
What calibration tools are required for the MLX90316EGO-BDG-100-TU?
The MLX90316EGO-BDG-100-TU requires Melexis' PTC-04 programming unit for end-of-line calibration. This tool connects exclusively via VDD-VSS-OUT pins to configure angular range, transfer characteristics, clamping levels, and diagnostic thresholds - no additional hardware interface is needed beyond standard power and output connections.
Does the MLX90316EGO-BDG-100-TU support functional safety standards?
Yes, the MLX90316EGO-BDG-100-TU supports ISO 26262 ASIL B/C through dual-die redundancy, built-in diagnostics (broken VDD/VSS detection, EEPROM CRC, signal path monitoring), and failure mode analysis documented in Melexis' FMEDA report. Its TSSOP-16 GO package and K-temperature grade (-40°C to +150°C) meet automotive environmental requirements.
What is the maximum airgap tolerance for reliable operation of the MLX90316EGO-BDG-100-TU?
The MLX90316EGO-BDG-100-TU maintains ±1.2° total angular error over ±1.0 mm airgap variation and ±0.5 mm lateral misalignment when paired with a standard 5×2 mm NdFeB dipole magnet. This tolerance stems from the integrated magneto-concentrator (IMC) and Triaxis® sensing principle, eliminating need for precise mechanical alignment in production.
MLX90316EGO-BDG-100-TU Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Melexis Technologies NV
- Package/Case:
- 16-TSSOP (0.173", 4.40mm Width)
- Series:
- Triaxis®
- Packaging:
- Tube
- 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-TU FAQ
1.How can I place an order for MLX90316EGO-BDG-100-TU through Aetrix?
Please submit a Request for Quotation (RFQ) for MLX90316EGO-BDG-100-TU 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-TU reliable?
The price and inventory of MLX90316EGO-BDG-100-TU 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-TU is usually 5 days.
3.What payment methods are accepted for MLX90316EGO-BDG-100-TU?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MLX90316EGO-BDG-100-TU transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MLX90316EGO-BDG-100-TU?
MLX90316EGO-BDG-100-TU orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MLX90316EGO-BDG-100-TU 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-TU?
For technical support, including MLX90316EGO-BDG-100-TU datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MLX90316EGO-BDG-100-TU requirements.
6.How does Aetrix verify that MLX90316EGO-BDG-100-TU is sourced from the original manufacturer or authorized distributors?
All MLX90316EGO-BDG-100-TU 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-TU meets industry standards.
7.What is the process for return or replacement of MLX90316EGO-BDG-100-TU?
All MLX90316EGO-BDG-100-TU units undergo pre-shipment inspection (PSI). If there is an issue with MLX90316EGO-BDG-100-TU, 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-TU part is unused and in its original packaging.
Return procedure for MLX90316EGO-BDG-100-TU:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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