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Home > Products > Sensors, Transducers > Position Sensors > Angle, Linear Position Measuring

Melexis Technologies NV MLX90324LGO-DBO-000-SP

Name: MLX90324LGO-DBO-000-SP
Brand: Melexis Technologies NV
SKU: MLX90324LGO-DBO-000-SP
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: MLX90324LGO-DBO-000-SP

Manufacturer:: Melexis Technologies NV

Category:: Angle, Linear Position Measuring

Package:: 16-TSSOP (0.173", 4.40mm Width)

Datasheet:: MLX90324LGO-DBO-000-SP.pdf

Description:: SENSOR ROTARY 360DEG SMD

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Product details

Overview

MLX90324LGO-DBO-000-SP from Melexis is an absolute rotary position sensor IC leveraging Triaxis® Hall technology with integrated magneto-concentrator (IMC), operating across −40°C to +150°C, delivering 12-bit angular resolution and supporting SENT (SAE-J2716), analog ratiometric, or PWM output modes for throttle and EGR actuator feedback in automotive under-the-hood systems.

For engineers reviewing the MLX90324LGO-DBO-000-SP datasheet, pinout, applications, or equivalent options, key selection considerations include its TSSOP-16 dual-die redundant architecture, programmable 16-point transfer characteristic, SENT protocol compliance, thermal accuracy of ±10° over temperature, and diagnostic features including broken-track detection and watchdog timing.

Technical Context

The MLX90324LGO-DBO-000-SP implements a dual-die TSSOP-16 configuration with full hardware redundancy, enabling functional safety compliance in ASIL-B applications. Its Triaxis® front-end captures orthogonal magnetic field components (BX/BY) via two planar Hall plate pairs and an IMC, feeding a 16-bit RISC DSP that computes angle using ATAN(VY/VX) via look-up table-not CORDIC-ensuring intrinsic compensation against airgap and flux density variation.

Digital output processing includes configurable FIR/IIR filtering, programmable hysteresis, and SENT telegram formatting with rolling counter and CRC. The device supports three speed modes (slow/medium/fast) with corresponding clock frequencies (5.5/10/16 MHz), sampling intervals (600/400/330 μs), and step response times (660 ms / 4 μs / 1200 μs), all selectable via EEPROM-programmable parameters without external pins.

Key Specifications

Parameter	Value and Actual Design Meaning
Operating Temp Range	−40°C to +150°C - validated for under-the-hood automotive environments including engine bay placement.
Angular Resolution	12-bit (0.088°/LSB) - enables precise closed-loop control in throttle and valve positioning systems.
Thermal Accuracy	±10° over full temperature range - achieved via intrinsic ATAN ratio computation and dual-die calibration compensation.
Output Protocols	SENT (SAE-J2716), analog ratiometric, PWM - SENT supports deterministic diagnostics and multi-sensor daisy-chaining on single-wire bus.
Package	TSSOP-16 - dual-die layout provides hardware redundancy; isolation resistance ≥4 MΩ between dies per spec.
Supply Voltage	4.5 V to 5.5 V - compatible with standard 5 V automotive power domains; POR at 2.7 V ensures robust startup.
Power Consumption	10–15 mA (medium/fast mode) - optimized for continuous operation in always-on engine management subsystems.

Pinout & Package

TSSOP-16 package with dual-die redundancy; exposed pad recommended for thermal dissipation and EMC grounding. Pin assignments are fixed per Melexis datasheet Rev. 005, Page 5 (TSSOP16 Pinout and Marking).

Pin/Terminal	Circuit Role	Design Meaning
1, 11	VDD1 / VDD2	Independent power rails for each die - enables fault-isolated supply monitoring and dual-voltage domain operation.
2, 10	VSS1 / VSS2	Separate ground returns per die - critical for noise immunity and diagnostic separation in redundant architectures.
5, 15	Out1 / Out2	Dual independent outputs - supports cross-checking, voting logic, or separate signal routing for safety-critical paths.
4, 12, 16	Test 01 / Test 02 / Test 11	Factory programming and test access - must be tied to ground per EMC recommendation; not user-accessible in field operation.
13	Switch Out1	Programmable angular switch output - configurable hysteresis and dead zone for threshold-based actuation triggers.
14	Not Used1	No internal connection - requires grounding per datasheet to minimize EMI susceptibility and improve EMC behavior.

Key Features

Feature	Design Value
Dual-die TSSOP-16 redundancy	Hardware-level fault tolerance with ≥4 MΩ inter-die isolation - meets ASIL-B requirements without external supervision circuitry.
Triaxis® + IMC sensing	Measures coplanar magnetic fields (BX/BY) with no mechanical contact - eliminates wear, hysteresis, and contamination sensitivity of potentiometers.
16-point programmable transfer curve	End-user calibrates nonlinearity across full 360° rotation using up to 16 XY coordinate points - compensates for magnet misalignment and mechanical tolerances.
SENT protocol compliance (SAE-J2716)	Single-wire digital output with CRC, message counter, and status flags - enables deterministic diagnostics and integration into modern vehicle networks.
Self-diagnostic coverage	Includes broken-track (VDD/VSS), EEPROM ECC, watchdog timeout, and magnetic saturation detection - reduces need for external monitoring ICs.

Applications

Throttle Position Sensing	EGR Valve Actuation
Use Scenario: Real-time angular feedback for electronic throttle control (ETC) in gasoline and hybrid powertrains. IC Role / Device Role / Timing Role: Absolute rotary position sensor providing primary angle measurement with SENT output synchronized to engine control unit timing windows. Use Value: Enables closed-loop throttle blade positioning with <±0.5° linearity error after 16-point calibration, meeting OEM emission and drivability targets.	Use Scenario: Monitoring exhaust gas recirculation valve rotation in diesel aftertreatment systems under high-temperature under-hood conditions. IC Role / Device Role / Timing Role: Redundant angular transducer interfacing directly to ECU via SENT bus, delivering fault-flagged data within 100 μs latency. Use Value: Supports ASIL-B compliance through dual-die architecture and built-in diagnostics, reducing system-level BOM cost versus discrete redundancy solutions.
Non-Contacting Potentiometer Replacement	Transmission Shift-by-Wire Sensing
Use Scenario: Replacing wear-prone conductive plastic or cermet potentiometers in industrial valve actuators and HVAC dampers. IC Role / Device Role / Timing Role: Solid-state angular encoder delivering ratiometric analog or PWM output with programmable clamping and zero-degree discontinuity point. Use Value: Eliminates mechanical wear and wiper noise; 150°C rating allows direct mounting on motor housings without heatsinks.	Use Scenario: Gear selector position detection in automatic transmissions where vibration, oil exposure, and thermal cycling degrade conventional sensors. IC Role / Device Role / Timing Role: Dual-output SENT interface feeding transmission control module with angular data and real-time diagnostic status (e.g., broken VSS detection). Use Value: Achieves >10M cycle lifetime with no moving contacts; SENT CRC and rolling counter prevent undetected data corruption in noisy powertrain environments.

Throttle Position Sensing

EGR Valve Actuation

Use Scenario: Real-time angular feedback for electronic throttle control (ETC) in gasoline and hybrid powertrains.

IC Role / Device Role / Timing Role: Absolute rotary position sensor providing primary angle measurement with SENT output synchronized to engine control unit timing windows.

Use Value: Enables closed-loop throttle blade positioning with <±0.5° linearity error after 16-point calibration, meeting OEM emission and drivability targets.

Use Scenario: Monitoring exhaust gas recirculation valve rotation in diesel aftertreatment systems under high-temperature under-hood conditions.

IC Role / Device Role / Timing Role: Redundant angular transducer interfacing directly to ECU via SENT bus, delivering fault-flagged data within 100 μs latency.

Use Value: Supports ASIL-B compliance through dual-die architecture and built-in diagnostics, reducing system-level BOM cost versus discrete redundancy solutions.

Non-Contacting Potentiometer Replacement

Transmission Shift-by-Wire Sensing

Use Scenario: Replacing wear-prone conductive plastic or cermet potentiometers in industrial valve actuators and HVAC dampers.

IC Role / Device Role / Timing Role: Solid-state angular encoder delivering ratiometric analog or PWM output with programmable clamping and zero-degree discontinuity point.

Use Value: Eliminates mechanical wear and wiper noise; 150°C rating allows direct mounting on motor housings without heatsinks.

Use Scenario: Gear selector position detection in automatic transmissions where vibration, oil exposure, and thermal cycling degrade conventional sensors.

IC Role / Device Role / Timing Role: Dual-output SENT interface feeding transmission control module with angular data and real-time diagnostic status (e.g., broken VSS detection).

Use Value: Achieves >10M cycle lifetime with no moving contacts; SENT CRC and rolling counter prevent undetected data corruption in noisy powertrain environments.

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
MLX90316KGO-ADB-000-SP	Single-die TSSOP-16; no inter-die isolation; max temp +125°C; lacks SENT protocol (analog/PWM only).	Suitable for non-safety-critical industrial encoders but not ASIL-B automotive systems requiring redundancy.	Select when cost sensitivity outweighs functional safety requirements and SENT is unnecessary.
AMS AS5055A-BQFT	14-bit resolution; SPI interface only; no SENT or PWM; operates to +125°C; no dual-die redundancy.	Targets high-resolution industrial robotics; lacks automotive-grade diagnostics and under-hood thermal robustness.	Choose for SPI-based embedded controllers needing higher resolution but accepting lower temperature rating and no SENT support.

Compared with MLX90324LGO-DBO-000-SP, the MLX90316 offers lower cost and simpler programming but sacrifices redundancy and SENT capability, while the AS5055A delivers finer resolution yet lacks automotive qualification, diagnostic depth, and high-temperature resilience - making MLX90324LGO-DBO-000-SP uniquely suited for ASIL-B throttle/EGR applications demanding both robustness and protocol flexibility.

Availability

MLX90324LGO-DBO-000-SP is available at Aetrix Electronics and suitable for automotive powertrain control, industrial valve actuation, and transmission shift-by-wire systems requiring stable component supply, long-term lifecycle assurance, and AEC-Q100 qualified sourcing.

Supply support for MLX90324LGO-DBO-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 magnetic sensing, driver ICs, and infrared thermometry, with design centers in Europe and manufacturing partnerships across Asia.

The MLX90324 belongs to Melexis' "Under-the-Hood" Triaxis® sensor family, engineered specifically for harsh-temperature automotive applications such as throttle, EGR, and turbocharger position sensing where reliability, redundancy, and SENT protocol integration are mandatory.

FAQ

What output protocols does the MLX90324LGO-DBO-000-SP support?

The MLX90324LGO-DBO-000-SP supports three configurable output protocols: SENT (SAE-J2716) for deterministic digital communication, ratiometric analog voltage (0–100% VDD), and PWM with programmable frequency (100–1000 Hz). All modes are selected via EEPROM programming; no external pins or mode resistors are required. SENT implementation includes rolling counter, CRC-4, and status flags compliant with Rev 2010 of the standard.

Is the MLX90324LGO-DBO-000-SP pin-compatible with other MLX903xx devices in TSSOP-16?

No - the MLX90324LGO-DBO-000-SP uses a dedicated dual-die TSSOP-16 pinout with separate VDD/VSS and output terminals for each die (pins 1/11, 2/10, 5/15), differing from single-die variants like MLX90316. Pin mapping is not interchangeable; PCB layout must follow Melexis datasheet Rev. 005, Section 20.5. Inter-die isolation and redundancy functionality require this specific assignment.

How is angular accuracy maintained across temperature for the MLX90324LGO-DBO-000-SP?

Angular accuracy is preserved via intrinsic ATAN(VY/VX) computation, which cancels common-mode flux variations due to airgap, temperature, or aging. Thermal offset drift is limited to ±60 LSB₁₅ at DSP input, translating to <±0.3° error, while DAC/output stage drift contributes ±0.4% VDD. Combined, total thermal angular error remains ≤±10° over −40°C to +150°C, verified per MLX90324 Accuracy Specification Table (Rev. 005, Page 12).

Can the MLX90324LGO-DBO-000-SP be programmed in-system without dedicated hardware?

Yes - programming uses only VDD, GND, and output pins; no dedicated programming pins are required. Configuration is performed via Melexis PTC-04 programmer with MLX90316/90324 daughterboard and GUI software. Field updates are supported, and EEPROM includes Hamming ECC for reliable storage of calibration, transfer curve, and protocol settings - all retained over 100k write cycles and 15-year data retention.

What diagnostic functions are integrated into the MLX90324LGO-DBO-000-SP?

The MLX90324LGO-DBO-000-SP integrates six core diagnostics: broken VDD/VSS detection (via passive voltage thresholds), EEPROM ECC error reporting, watchdog timeout monitoring, magnetic saturation flag, IMC health check, and SENT message integrity (CRC and counter validation). Diagnostic status is reported via dedicated bits in SENT telegrams or analog/PWM output clamping bands - enabling ECU-level fault classification without additional monitoring circuitry.

MLX90324LGO-DBO-000-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:: Analog Voltage, PWM, SENT

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:: 16-TSSOP

MLX90324LGO-DBO-000-SP FAQ

1.How can I place an order for MLX90324LGO-DBO-000-SP through Aetrix?

Please submit a Request for Quotation (RFQ) for MLX90324LGO-DBO-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 MLX90324LGO-DBO-000-SP reliable?

The price and inventory of MLX90324LGO-DBO-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 MLX90324LGO-DBO-000-SP is usually 5 days.

3.What payment methods are accepted for MLX90324LGO-DBO-000-SP?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MLX90324LGO-DBO-000-SP transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for MLX90324LGO-DBO-000-SP?

MLX90324LGO-DBO-000-SP orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your MLX90324LGO-DBO-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 MLX90324LGO-DBO-000-SP?

For technical support, including MLX90324LGO-DBO-000-SP datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MLX90324LGO-DBO-000-SP requirements.

6.How does Aetrix verify that MLX90324LGO-DBO-000-SP is sourced from the original manufacturer or authorized distributors?

All MLX90324LGO-DBO-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 MLX90324LGO-DBO-000-SP meets industry standards.

7.What is the process for return or replacement of MLX90324LGO-DBO-000-SP?

All MLX90324LGO-DBO-000-SP units undergo pre-shipment inspection (PSI). If there is an issue with MLX90324LGO-DBO-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 MLX90324LGO-DBO-000-SP part is unused and in its original packaging.

Return procedure for MLX90324LGO-DBO-000-SP:

1.Submit a request within 90 days.

2.Obtain a Return Material Authorization (RMA) from Aetrix.

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