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Melexis Technologies NV MLX90316EGO-BDG-100-SP
- Part No.:
- MLX90316EGO-BDG-100-SP
- Manufacturer:
- Melexis Technologies NV
- Category:
- Angle, Linear Position Measuring
- Package:
- 16-TSSOP (0.173", 4.40mm Width)
- Datasheet:
-
MLX90316EGO-BDG-100-SP.pdf
- Description:
- SENSOR ROTARY 360DEG SMD
- Quantity:
- Payment:
- Shipping:
Inventory:3,212
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Product details
Overview
MLX90316EGO-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 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-SP datasheet, pinout, applications, or equivalent options, key selection factors include its dual-die redundancy architecture, 14-bit serial protocol resolution, programmable transfer characteristic (offset/gain/clamping), integrated magneto-concentrator (IMC), and diagnostic features including broken-track detection.
Technical Context
The MLX90316EGO-BDG-100-SP implements a Triaxis® sensing principle that captures horizontal magnetic field components (VX, VY) via on-chip IMC, then computes absolute angle using CoRDiC-based DSP. Its dual-die TSSOP-16 configuration provides full hardware redundancy with isolated signal paths and independent VDD/VSS pins per die.
It supports three output modes: ratiometric analog (12-bit DAC), PWM (12-bit resolution, 100–1000 Hz), or SPI serial (14-bit angle data, 3-wire interface). All modes are end-user programmable via PTC-04 through VDD-VSS-OUT pins, enabling calibration of linearity, thermal drift compensation, clamping, and deadzone without external components.
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 closed-loop control |
| Thermal Accuracy | ±10-bit over -40°C to +150°C - ensures <±0.4%VDD offset drift and <±0.5% sensitivity mismatch drift |
| Output Modes | Ratiometric analog, PWM, or 3-wire SPI - selectable per application; SPI version uses MOSI/MISO/SCLK with /SS |
| Programmability | End-of-line calibration via PTC-04 on VDD-VSS-OUT - configures transfer curve, clamping, filtering, diagnostics, and ID |
| Magnetic Range | 20–70 mT operating flux density - optimized for small dipole magnets with airgap tolerance up to ±1 mm |
| Redundancy | Dual-die TSSOP-16 - fully independent signal chains with separate VDD1/VSS1 and VDD2/VSS2 for ASIL-B/C compliance |
| Diagnostic Coverage | Built-in broken-VDD/VSS detection, watchdog timer (5 ms), and configurable fault reporting - supports functional safety requirements |
Pinout & Package
TSSOP-16 dual-die package with 1.0 mm pitch, RoHS-compliant, rated for -40°C to +150°C operation. Pin 1 marked with dot; unused/test pins must be grounded for EMC compliance.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 11 | VDD1, VDD2 | Independent power supplies for each die - enables true redundancy and fault isolation |
| 2, 10 | VSS1, VSS2 | Independent ground returns per die - prevents single-point failure propagation |
| 3, 13 | VDIG1, VDIG2 | Digital supply inputs - decoupled from analog rails to minimize noise coupling |
| 5, 15 | OUT1, OUT2 | Primary analog/PWM outputs - configurable as ratiometric, PWM, or switch-out signals |
| 4, 14 | /SS1, /SS2 | Slave select lines for SPI - enable independent communication with each die |
| 6, 16 | SCLK1, SCLK2 | Serial clock inputs - support synchronous dual-die readout or independent polling |
| 7, 15 | MOSI1/MISO1, MOSI2/MISO2 | Shared bidirectional SPI data lines - allow daisy-chain or parallel configuration |
Key Features
| Feature | Design Value |
|---|---|
| Triaxis® IMC Sensing | Measures horizontal B-field components contactlessly - eliminates mechanical wear and enables ±1 mm airgap tolerance |
| Programmable Transfer Curve | Configurable offset, gain, clamping, linearity, and deadzone via EEPROM - matches custom mechanical ranges without external circuitry |
| Dual-Die Redundancy | Fully independent signal chains with separate power/ground - meets ASIL-B requirements for automotive safety-critical systems |
| Integrated Diagnostics | Built-in broken-track detection, watchdog timer, and configurable fault flags - reduces need for external monitoring circuits |
| End-of-Line Calibration | PTC-04 programming via 3-pin interface (VDD-VSS-OUT) - enables production-line tuning without test fixtures or soldering |
Applications
| Steering Wheel Position Sensing | Throttle Position Control |
|---|---|
Use Scenario: Real-time measurement of steering column rotation angle in EPS systems under vibration, temperature cycling, and EMI exposure. IC Role / Device Role / Timing Role: Absolute angular position sensor providing primary feedback to motor controller with <1 ms step response and ASIL-B compliant redundancy. Use Value: Dual-die architecture ensures continuous operation during single-die failure; programmable clamping prevents erroneous saturation at mechanical stops. | Use Scenario: Closed-loop control of engine throttle valve position in gasoline/diesel powertrains across -40°C to +150°C ambient. IC Role / Device Role / Timing Role: Primary position transducer delivering ratiometric analog output synchronized to engine control unit sampling clocks. Use Value: 12-bit resolution and <±0.4%VDD thermal drift maintain <0.5° accuracy over full temperature range without recalibration. |
| Pedal Position Monitoring | Ride Height Adjustment |
Use Scenario: Detection of accelerator/brake pedal angular displacement in brake-by-wire and drive-by-wire systems with functional safety validation. IC Role / Device Role / Timing Role: Safety-redundant position sensor feeding two independent ECUs via separate SPI channels with lock-step comparison. Use Value: 40-bit unique ID and EEPROM-programmable diagnostics support traceability and ISO 26262 tool qualification evidence. | Use Scenario: Continuous monitoring of suspension travel in adaptive damping systems where magnet alignment varies with chassis flex. IC Role / Device Role / Timing Role: Contactless rotary sensor compensating for off-axis misalignment and airgap variation using IMC-enhanced field concentration. Use Value: Programmable linearization corrects non-ideal magnetic field distortion caused by mounting tolerances and nearby ferrous materials. |
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-SP | Single-die TSSOP-16, 16-bit SPI output, no dual-die redundancy, higher resolution (0.0055°/LSB) | Lacks hardware redundancy; suitable for non-safety-critical industrial encoders | Select when higher angular resolution is prioritized over ASIL compliance and cost is constrained |
| AMS AS5055A-TS | 14-bit SPI-only output, no analog/PWM modes, requires external voltage regulator, no built-in diagnostics | No functional safety features; limited to consumer/industrial applications without fault coverage requirements | Select for space-constrained PCBs needing minimal external components but accepting reduced diagnostic capability |
Compared with MLX90316EGO-BDG-100-SP, MLX90363GO-ADB-000-SP trades redundancy for higher resolution and lower cost, while AMS AS5055A-TS sacrifices output flexibility and safety features for compactness and simplicity - making MLX90316EGO-BDG-100-SP optimal for automotive ASIL-B systems requiring multi-mode output and robust diagnostics.
Availability
MLX90316EGO-BDG-100-SP is available at Aetrix Electronics and suitable for automotive throttle position sensing, steering angle measurement, and ride height adjustment requiring stable component supply, long-term lifecycle support, and ASIL-B compliant redundancy.
Supply support for MLX90316EGO-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 intelligent sensors and driver ICs for automotive and industrial markets, with core expertise in magnetic sensing and embedded signal processing.
The MLX90316 product line delivers contactless absolute rotary position sensing using Triaxis® technology, designed specifically for safety-critical automotive subsystems including EPS, throttle, and braking where reliability, redundancy, and programmability are mandatory.
FAQ
What output interfaces does the MLX90316EGO-BDG-100-SP support?
The MLX90316EGO-BDG-100-SP supports three configurable output interfaces: ratiometric analog voltage (0–VDD), PWM (100–1000 Hz, 12-bit resolution), and 3-wire SPI (14-bit angle data, MOSI/MISO/SCLK with /SS). The SPI interface is enabled by the "BDG-100" option code and uses dedicated pins per die in the TSSOP-16 dual-die package. All modes are selected and calibrated via the PTC-04 programmer on VDD-VSS-OUT terminals.
How does the dual-die architecture of MLX90316EGO-BDG-100-SP improve system reliability?
The MLX90316EGO-BDG-100-SP implements two fully independent silicon dies in one TSSOP-16 package, each with separate VDD, VSS, VDIG, and signal pins. This physical and electrical isolation allows fault containment - if one die fails, the other continues operation with no shared failure path. It supports lock-step comparison or voting architectures required for ASIL-B compliance in automotive steering and throttle systems, verified per ISO 26262.
Can MLX90316EGO-BDG-100-SP be calibrated for custom angular ranges?
Yes, the MLX90316EGO-BDG-100-SP supports full end-of-line calibration of its transfer characteristic using the Melexis PTC-04 programmer. Users can program arbitrary angular ranges (0–360°), linearization points (up to 3-segment piecewise), clamping thresholds, deadzones, thermal drift compensation, and filtering parameters directly into on-chip EEPROM - all without modifying hardware or adding external components.
What is the role of the Integrated Magneto-Concentrator (IMC) in MLX90316EGO-BDG-100-SP?
The IMC in MLX90316EGO-BDG-100-SP is a passive on-die ferromagnetic structure that concentrates and redirects horizontal magnetic flux components (VX, VY) onto the Hall sensing elements. This enhances signal amplitude, improves signal-to-noise ratio, and enables robust operation despite mechanical tolerances - supporting airgap variations up to ±1 mm and off-axis misalignment common in automotive installations.
Does MLX90316EGO-BDG-100-SP include built-in diagnostics for functional safety?
Yes, MLX90316EGO-BDG-100-SP integrates multiple diagnostics: broken-VDD/VSS detection, watchdog timer (5 ms timeout), configurable fault flags (e.g., RESONFAULT, EEHAMHOLE), and programmable diagnostic output levels. These features are stored in EEPROM and activated during startup or runtime, enabling compliance with ASIL-B requirements for automotive applications without external monitoring circuitry.
MLX90316EGO-BDG-100-SP Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Melexis Technologies NV
- Package/Case:
- 16-TSSOP (0.173", 4.40mm 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 ~ 85°C
- Grade:
- -
- Qualification:
- -
- Supplier Device Package:
- 16-TSSOP
MLX90316EGO-BDG-100-SP FAQ
1.How can I place an order for MLX90316EGO-BDG-100-SP through Aetrix?
Please submit a Request for Quotation (RFQ) for MLX90316EGO-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 MLX90316EGO-BDG-100-SP reliable?
The price and inventory of MLX90316EGO-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 MLX90316EGO-BDG-100-SP is usually 5 days.
3.What payment methods are accepted for MLX90316EGO-BDG-100-SP?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MLX90316EGO-BDG-100-SP transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MLX90316EGO-BDG-100-SP?
MLX90316EGO-BDG-100-SP orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MLX90316EGO-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 MLX90316EGO-BDG-100-SP?
For technical support, including MLX90316EGO-BDG-100-SP datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MLX90316EGO-BDG-100-SP requirements.
6.How does Aetrix verify that MLX90316EGO-BDG-100-SP is sourced from the original manufacturer or authorized distributors?
All MLX90316EGO-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 MLX90316EGO-BDG-100-SP meets industry standards.
7.What is the process for return or replacement of MLX90316EGO-BDG-100-SP?
All MLX90316EGO-BDG-100-SP units undergo pre-shipment inspection (PSI). If there is an issue with MLX90316EGO-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 MLX90316EGO-BDG-100-SP part is unused and in its original packaging.
Return procedure for MLX90316EGO-BDG-100-SP:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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