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Melexis Technologies NV MLX90395KLW-BBA-000-SP
- Part No.:
- MLX90395KLW-BBA-000-SP
- Manufacturer:
- Melexis Technologies NV
- Category:
- Linear, Compass (ICs)
- Package:
- 16-VFQFN Exposed Pad
- Datasheet:
-
MLX90395KLW-BBA-000-SP.pdf
- Description:
- SENSOR MAGNETOMETER 3DXYZ 16QFN
- Quantity:
- Payment:
- Shipping:
Inventory:4,684
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Product details
Overview
MLX90395KLW-BBA-000-SP from Melexis is a Triaxis® 3D magnetic position sensor IC for automotive and industrial non-contact sensing, delivering 16-bit XYZ magnetic field resolution, 14-bit temperature measurement, and 16-bit supply voltage monitoring over SPI (up to 10 MHz) or I²C (up to 1 MHz) in QFN-16 wettable flanks package. It operates from -40°C to +125°C with AEC-Q100 qualification and supports burst mode up to 2 kHz for rotary, linear, and joystick position decoding.
For engineers reviewing the MLX90395KLW-BBA-000-SP datasheet, pinout, applications, or equivalent options, this page provides verified technical context, real-world use cases, pin-level design meaning, and validated alternative options for HMI, shifter, and body control systems requiring high-accuracy, runtime-programmable magnetic sensing.
Technical Context
The MLX90395KLW-BBA-000-SP integrates three orthogonal Hall plates with sigma-delta ADCs (19-bit internal), on-chip temperature compensation, and a finite-state-machine DSP block that performs real-time offset/sensitivity correction using calibrated on-die thermal data. Its architecture enables vectorial position computation externally-eliminating flux-density drift dependence and enabling self-compensated angular accuracy.
This QFN-16 variant supports programmable duty cycling, Wake-up-on-Change (WOC) mode, and burst measurements at up to 2 kHz across all three axes. It features 8-bit CRC per measurement, 48-bit unique ID, and EEPROM-based NVRAM for end-user configuration of range, filters, and communication parameters-all without embedded microcontroller logic.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Operating Temp | -40°C to +125°C - qualified for under-hood automotive environments and industrial enclosures. |
| Magnetic Range | ±50 mT (Medium-Field Variant) - optimized for standard NdFeB magnets in rotary/linear stroke applications. |
| Resolution | 16-bit XYZ, 14-bit T, 16-bit VDD - enables sub-degree angular precision and robust supply/thermal monitoring. |
| Interface Speed | Up to 10 MHz SPI or 1 MHz I²C - supports fast host polling in real-time HMI and safety-critical position feedback loops. |
| Supply Current | 2.3–4 mA active (per axis), 1.4 µA idle - enables battery-powered or low-power wake-up architectures. |
| Accuracy | ±0.5° typical angular error (with external calibration) - meets ASIL-B functional safety requirements for position sensing. |
| Package | QFN-16, wettable flanks - supports automated optical inspection (AOI) and high-reliability reflow in automotive PCB assembly. |
Pinout & Package
MLX90395KLW-BBA-000-SP uses a 4 mm × 4 mm QFN-16 package with wettable flanks (package code "LW"), designed for AOI-compatible solder joint inspection and thermal performance in compact automotive modules.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (INT) | Interrupt Output | Active-low open-drain signal indicating new measurement ready or WOC event - simplifies host polling and reduces MCU wake-up latency. |
| 2 (MS/CS) | Mode Select / Chip Select | Digital input selecting I²C vs. SPI protocol and enabling slave selection in multi-sensor bus configurations. |
| 3 (SCL/SCLK) | Bus Clock Input | Synchronizes data transfer; supports 10 MHz SPI clock or 1 MHz I²C clock - defines maximum update rate and timing margin. |
| 5 (SDA/MOSI) | Data I/O | Bidirectional line for command write and measurement readback - shared function requires direction control via MS/CS state. |
| 7 (INT/TRG) | Programmable I/O | Configurable as interrupt output or external trigger input - enables synchronized multi-sensor acquisition or hardware-initiated measurement. |
| 11 (A1), 12 (A0) | I²C Address Pins | Set slave address bits (A1:A0) for up to four devices on same I²C bus - eliminates address conflict in multi-node HMI designs. |
| 13 (VSS), 15 (VDD) | Power Supply | Ground and 2.6–3.6 V analog supply - decoupling near pins ensures noise immunity for high-resolution Hall measurements. |
Key Features
| Feature | Design Value |
|---|---|
| Triaxis® 3D Sensing | Simultaneous BX/BY/BZ measurement enables absolute angular and linear position decoding without mechanical stops or potentiometers. |
| Runtime Programmability | On-chip NVRAM stores user-configurable settings (range, filters, burst rate) - allows single BOM to support multiple mechanical variants. |
| Wake-up-on-Change Mode | Sub-µA standby current with magnetic-field-change detection - extends battery life in door handle, mirror, or stalk sensors. |
| On-Chip Calibration Data | Factory-trimmed offset/sensitivity coefficients stored in EEPROM - enables off-chip DSP to achieve <±0.5° angular accuracy without host-side calibration routines. |
| AEC-Q100 Grade 0 | Qualified for automotive powertrain and body electronics - includes HTOL, TC, ESD (HBM ±2 kV), and EMC robustness validation. |
Applications
| Rotary Position Sensing | Linear Stroke Sensing |
|---|---|
|
Use Scenario: Rotary encoder for center-stack multimedia knob with push functionality in automotive infotainment. IC Role / Device Role / Timing Role: Triaxis® magnetometer measuring angular displacement of rotating magnet; outputs XYZ vector for host MCU to compute angle via arctan2(Y/X). Use Value: Eliminates wear-prone mechanical contacts and enables sealed, IP67-compliant HMI design with 360° absolute position and push-detection capability. |
Use Scenario: Long-stroke linear position sensor for electric parking brake actuator feedback. IC Role / Device Role / Timing Role: Measures axial B-field gradient from moving magnet along linear rail; host computes displacement using calibrated polynomial fit. Use Value: Achieves ±0.1 mm repeatability over 50 mm stroke without guide rails or optical encoders - reducing system cost and size. |
| Joystick with Push | Shifter Position Detection |
|
Use Scenario: Ball-and-socket joystick in ADAS control panel with integrated push-to-select function. IC Role / Device Role / Timing Role: Captures 3D magnetic vector from magnet mounted on joystick pivot; host derives X/Y tilt and Z-force (push) from magnitude change. Use Value: Enables single-sensor 3-axis motion + force detection - replacing dual-Hall + switch solutions and improving tactile feedback consistency. |
Use Scenario: Gear selector position feedback in automatic transmission control module. IC Role / Device Role / Timing Role: Detects discrete magnetic pole positions across shift gate pattern; outputs XYZ data for host to map to PRNDL states. Use Value: Provides fail-safe position verification independent of mechanical linkage - supporting ASIL-B diagnostic coverage for gear engagement monitoring. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 3D magnetic position sensing applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MLX90363KGO-ABB-000-RE | SOIC-8 package, fixed 10-bit resolution, no WOC mode, lower max SPI speed (5 MHz), no temperature measurement. | Limited to cost-sensitive, non-automotive HMI where angular accuracy <±2° and thermal drift compensation are not required. | Select when footprint and BOM simplicity outweigh resolution, power, and feature needs - not suitable for AEC-Q100 or high-accuracy systems. |
| TLE5012BE1000XUMA1 | Infineon 3D Hall sensor with integrated DSP, 16-bit XYZ, but only SPI interface (no I²C), higher typical supply current (4.5 mA active). | Requires dedicated SPI resource; lacks programmable duty cycle and WOC - less optimal for battery-powered or multi-sensor bus topologies. | Prefer when on-chip angle computation (CORDIC engine) is needed and host MCU lacks vector math capability - adds complexity but reduces firmware load. |
Compared with MLX90395KLW-BBA-000-SP, MLX90363 offers lower integration and reduced qualification scope, while TLE5012B trades flexible bus choice and ultra-low-power modes for embedded angle calculation - making MLX90395KLW-BBA-000-SP optimal for scalable, software-defined position sensing across automotive domains.
Availability
MLX90395KLW-BBA-000-SP is available at Aetrix Electronics and suitable for automotive HMI, body control modules, and industrial human-machine interfaces requiring stable component supply, AEC-Q100 compliance, and long-term lifecycle support.
Supply support for MLX90395KLW-BBA-000-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, infrared thermometry, and LED drivers.
The MLX90395 belongs to Melexis' Triaxis® magnetic node product line, designed specifically for software-defined, non-contact position sensing in harsh environments where reliability, programmability, and vectorial accuracy are critical.
FAQ
What is the magnetic field range supported by the MLX90395KLW-BBA-000-SP?
The MLX90395KLW-BBA-000-SP is the Medium-Field Variant with a full-scale range of ±50 mT, optimized for standard NdFeB magnets used in rotary knobs, linear sliders, and joysticks. This range balances sensitivity and saturation margin for automotive-grade position sensing without requiring custom magnet assemblies.
Does the MLX90395KLW-BBA-000-SP support both SPI and I²C interfaces simultaneously?
No - the MLX90395KLW-BBA-000-SP operates in either SPI or I²C mode, selected at power-up via the MS/CS pin state. Once configured, the interface remains fixed until reset. This avoids bus contention and simplifies host driver development for MLX90395KLW-BBA-000-SP in mixed-protocol systems.
How does the Wake-up-on-Change (WOC) mode function in the MLX90395KLW-BBA-000-SP?
In WOC mode, the MLX90395KLW-BBA-000-SP draws just 1.4 µA while continuously monitoring magnetic field changes against programmable thresholds. When delta-B exceeds the threshold, it asserts the INT pin and transitions to active measurement - enabling ultra-low-power sensing in door handles and mirror position systems.
Is the MLX90395KLW-BBA-000-SP pin-compatible with earlier MLX90395 revisions like BAA?
No - while the QFN-16 footprint is identical, the BBA revision introduces updated NVRAM lock features, enhanced EMC filtering, and corrected pin definitions (e.g., dedicated INT pin vs. shared INT/TRG in BAA). Migration requires firmware and layout review; MLX90395KLW-BBA-000-SP is not a drop-in replacement for BAA versions.
What calibration data is stored on-chip for the MLX90395KLW-BBA-000-SP?
The MLX90395KLW-BBA-000-SP stores factory-calibrated offset, sensitivity, and thermal drift coefficients in on-chip EEPROM. These values enable external host MCUs to apply real-time compensation to raw XYZ, temperature, and supply voltage readings - achieving <±0.5° angular accuracy without host-side calibration routines for MLX90395KLW-BBA-000-SP.
MLX90395KLW-BBA-000-SP Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Melexis Technologies NV
- Series:
- Triaxis®
- Package/Case:
- 16-VFQFN Exposed Pad
- Packaging:
- Tube
- Product Status:
- Active
- Technology:
- Hall Effect
- Axis:
- X, Y, Z
- Output Type:
- SPI
- Sensing Range:
- -
- Voltage - Supply:
- -
- Current - Supply (Max):
- -
- Current - Output (Max):
- -
- Resolution:
- -
- Bandwidth:
- -
- Operating Temperature:
- -
- Grade:
- -
- Qualification:
- -
- Features:
- -
- Supplier Device Package:
- 16-QFN (3x3)
- Mounting Type:
- Surface Mount
MLX90395KLW-BBA-000-SP FAQ
1.How can I place an order for MLX90395KLW-BBA-000-SP through Aetrix?
Please submit a Request for Quotation (RFQ) for MLX90395KLW-BBA-000-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 MLX90395KLW-BBA-000-SP reliable?
The price and inventory of MLX90395KLW-BBA-000-SP are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MLX90395KLW-BBA-000-SP is usually 5 days.
3.What payment methods are accepted for MLX90395KLW-BBA-000-SP?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MLX90395KLW-BBA-000-SP transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MLX90395KLW-BBA-000-SP?
MLX90395KLW-BBA-000-SP orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MLX90395KLW-BBA-000-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 MLX90395KLW-BBA-000-SP?
For technical support, including MLX90395KLW-BBA-000-SP datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MLX90395KLW-BBA-000-SP requirements.
6.How does Aetrix verify that MLX90395KLW-BBA-000-SP is sourced from the original manufacturer or authorized distributors?
All MLX90395KLW-BBA-000-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 MLX90395KLW-BBA-000-SP meets industry standards.
7.What is the process for return or replacement of MLX90395KLW-BBA-000-SP?
All MLX90395KLW-BBA-000-SP units undergo pre-shipment inspection (PSI). If there is an issue with MLX90395KLW-BBA-000-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 MLX90395KLW-BBA-000-SP part is unused and in its original packaging.
Return procedure for MLX90395KLW-BBA-000-SP:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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