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

Melexis Technologies NV MLX90324LGO-DBO-000-RE

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

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

Manufacturer:: Melexis Technologies NV

Category:: Angle, Linear Position Measuring

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

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

Description:: SENSOR ROTARY 360DEG SMD

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Product details

Overview

MLX90324LGO-DBO-000-RE from Melexis is a TSSOP-16 packaged, dual-die redundant absolute rotary position sensor IC using Triaxis® Hall technology. It delivers 12-bit angular resolution, supports SENT (SAE-J2716), analog ratiometric, and PWM output modes, and operates across −40°C to +150°C for under-the-hood automotive applications such as throttle and EGR actuators.

For engineers reviewing the MLX90324LGO-DBO-000-RE datasheet, pinout, applications, or equivalent options, key selection criteria include its dual-die redundancy, SENT protocol compliance, programmable 16-point transfer curve, ±700 mT magnetic tolerance, and integrated self-diagnostic features per ISO 26262 ASIL-B readiness.

Technical Context

The MLX90324LGO-DBO-000-RE implements Triaxis® sensing via two orthogonal Hall plate pairs with an Integrated Magneto-Concentrator (IMC), enabling precise measurement of in-plane magnetic flux (BX/BY) for full 360° angular decoding. Its DSP computes arctangent via lookup table-not CORDIC-ensuring intrinsic thermal compensation against airgap and magnet aging effects.

It integrates a 16-bit RISC microcontroller (2.5 MIPS @ 10 MHz), 10 kB ROM, 256 B RAM, and 128 B EEPROM with Hamming ECC. Output conditioning includes configurable FIR/IIR filtering, programmable clamping, deadzone, and hysteresis, with diagnostics covering VDD/VSS fault detection, resonance monitoring, and EEPROM integrity.

Key Specifications

Parameter	Value and Actual Design Meaning
Angular Resolution	12-bit (0.0879°/LSB), enabling high-fidelity position feedback in closed-loop control systems
Thermal Accuracy	10-bit over temperature (±0.3° max error at 150°C), critical for engine bay reliability
Operating Temp	−40°C to +150°C (L-grade), qualified for under-hood automotive environments
Output Protocols	SENT (SAE-J2716), ratiometric analog, and PWM-supports legacy and next-gen ECU interfaces
Magnetic Range	±700 mT, compatible with standard diametrically magnetized NdFeB magnets at typical airgaps
Redundancy	Dual-die architecture (TSSOP-16), providing functional safety support for ASIL-B applications
Supply Current	10–15 mA (medium/fast mode), optimized for low-power ECU subsystems

Pinout & Package

TSSOP-16 package (GO code), RoHS-compliant, with dual-die redundancy and IMC positioned for optimal in-plane field sensitivity. Unused and test pins must be grounded for EMC compliance per datasheet Section 4.

Pin/Terminal	Circuit Role	Design Meaning
1, 11	VDD1 / VDD2	Independent power rails for each die-enables fault-isolated supply domains
2, 10	VSS1 / VSS2	Separate ground returns per die-supports differential diagnostics and noise rejection
5, 15	Out1 / Out2	Redundant SENT/analog/PWM outputs-allows cross-checking and fail-safe reporting
13	Switch Out1	Programmable angular switch output-configurable hysteresis and deadzone for threshold events
4, 6, 8, 12, 14, 16	Test 01 / Test 12 / etc.	Factory test and programming nodes-must be tied to ground in final design per Section 4

Key Features

Feature	Design Value
Triaxis® IMC Sensing	Enables true 360° absolute angle measurement using only in-plane flux-no external concentrators needed
16-Point Transfer Curve	Allows end-user calibration to compensate for mechanical/magnetic non-idealities in custom assemblies
SENT Protocol Compliance	Meets SAE-J2716 Rev 2016-supports high-resolution, low-jitter digital transmission to modern ECUs
Dual-Die Redundancy	Provides hardware-level fault tolerance-critical for ASIL-B throttle/EGR position sensing
Integrated Diagnostics	Covers VDD/VSS faults, EEPROM ECC errors, resonance detection, and signal path integrity

Applications

Throttle Position Sensing	EGR Valve Actuation
Use Scenario: Real-time angular feedback of throttle blade rotation in gasoline/diesel engines under transient load and high under-hood temperatures. IC Role / Device Role / Timing Role: Absolute rotary position sensor delivering SENT-encoded angle data synchronized to ECU sampling clocks. Use Value: Enables precise air-fuel ratio control and torque management with <±0.3° thermal error up to 150°C ambient.	Use Scenario: Closed-loop positioning of exhaust gas recirculation valves exposed to hot, corrosive exhaust streams and vibration. IC Role / Device Role / Timing Role: Redundant angular transducer feeding dual-channel ECU inputs for fault-tolerant emission control. Use Value: Dual-die architecture ensures continued operation during single-point failure-meeting ASIL-B requirements.
Non-Contacting Potentiometer	EMS Actuator Feedback
Use Scenario: Replacement of wear-prone mechanical potentiometers in industrial valve positioners and robotic joints. IC Role / Device Role / Timing Role: Contactless angular encoder generating ratiometric analog or PWM output compatible with legacy PLC analog inputs. Use Value: Eliminates mechanical wear and contact bounce-providing >100M cycle lifetime with stable linearity over temperature.	Use Scenario: Position feedback for electric motor-driven intake manifold flaps, turbo vanes, and variable geometry components. IC Role / Device Role / Timing Role: High-speed angular sensor supporting fast PWM or SENT updates (≤330 µs sampling) for dynamic actuator control. Use Value: Fast mode timing enables real-time correction loops with <1.2 ms step response-critical for transient emissions compliance.

Throttle Position Sensing

EGR Valve Actuation

Use Scenario: Real-time angular feedback of throttle blade rotation in gasoline/diesel engines under transient load and high under-hood temperatures.

IC Role / Device Role / Timing Role: Absolute rotary position sensor delivering SENT-encoded angle data synchronized to ECU sampling clocks.

Use Value: Enables precise air-fuel ratio control and torque management with <±0.3° thermal error up to 150°C ambient.

Use Scenario: Closed-loop positioning of exhaust gas recirculation valves exposed to hot, corrosive exhaust streams and vibration.

IC Role / Device Role / Timing Role: Redundant angular transducer feeding dual-channel ECU inputs for fault-tolerant emission control.

Use Value: Dual-die architecture ensures continued operation during single-point failure-meeting ASIL-B requirements.

Non-Contacting Potentiometer

EMS Actuator Feedback

Use Scenario: Replacement of wear-prone mechanical potentiometers in industrial valve positioners and robotic joints.

IC Role / Device Role / Timing Role: Contactless angular encoder generating ratiometric analog or PWM output compatible with legacy PLC analog inputs.

Use Value: Eliminates mechanical wear and contact bounce-providing >100M cycle lifetime with stable linearity over temperature.

Use Scenario: Position feedback for electric motor-driven intake manifold flaps, turbo vanes, and variable geometry components.

IC Role / Device Role / Timing Role: High-speed angular sensor supporting fast PWM or SENT updates (≤330 µs sampling) for dynamic actuator control.

Use Value: Fast mode timing enables real-time correction loops with <1.2 ms step response-critical for transient emissions compliance.

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
MLX90316LGO-DBC-000-RE	Single-die TSSOP-16, no redundancy; lacks SENT; max 125°C operating range	Suitable for non-safety-critical, lower-temp applications like HVAC dampers	Select when cost and temperature margin outweigh redundancy and protocol needs
AS5055A-DSOM	Single-die, SPI interface only; 14-bit resolution; −40°C to +125°C; no built-in diagnostics	Targeted at industrial encoders where SPI host exists and ASIL compliance not required	Choose for higher resolution in benign environments without SENT or dual-die demands

Compared with MLX90316LGO-DBC-000-RE and AS5055A-DSOM, the MLX90324LGO-DBO-000-RE uniquely combines dual-die redundancy, SENT protocol, and 150°C operation-making it the only option qualified for ASIL-B throttle/EGR position sensing in modern powertrain systems.

Availability

MLX90324LGO-DBO-000-RE is available at Aetrix Electronics and suitable for automotive powertrain control, industrial valve actuation, and high-reliability rotary feedback systems requiring stable component supply across extended temperature ranges and long production lifecycles.

Supply support for MLX90324LGO-DBO-000-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 sensors and driver ICs for automotive and industrial markets, with core expertise in magnetic sensing and embedded signal processing.

The MLX90324 product line targets harsh-environment "under-the-hood" applications, delivering robust, programmable, and safety-ready rotary position sensing through Triaxis® technology and SENT interface integration.

FAQ

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

The MLX90324LGO-DBO-000-RE supports three user-selectable output protocols: SENT (SAE-J2716 compliant), ratiometric analog voltage, and PWM. Each mode is programmable via EEPROM and can be configured independently for resolution, frequency, clamping, and diagnostic behavior. The SENT mode delivers 12-bit angular data plus status bits in standardized nibble format, while analog and PWM outputs provide backward compatibility with legacy ECU analog inputs.

How is redundancy implemented in the MLX90324LGO-DBO-000-RE?

The MLX90324LGO-DBO-000-RE uses physically separate dual dies in a single TSSOP-16 package, each with independent VDD/VSS pins, signal paths, and output drivers (Out1/Out2, Switch Out1/Switch Out2). This architecture allows cross-comparison of outputs and detection of single-die faults-supporting ASIL-B functional safety requirements without external circuitry. Isolation resistance between dies exceeds 4 MΩ per specification.

Can the MLX90324LGO-DBO-000-RE be programmed in-system?

Yes, the MLX90324LGO-DBO-000-RE supports in-system programming via its supply (VDD/VSS) and output (OUT) pins-no dedicated programming pins are required. Configuration is performed using the Melexis PTC-04 programmer with MLX90316/90324 daughterboard and associated DLL software. All parameters-including transfer curve, SENT settings, diagnostics, and ID numbers-are stored in 128 B EEPROM with Hamming ECC for integrity.

What is the angular accuracy of the MLX90324LGO-DBO-000-RE over temperature?

The MLX90324LGO-DBO-000-RE achieves 10-bit angular thermal accuracy (±0.3° maximum error) across its full −40°C to +150°C operating range. This performance stems from intrinsic ATAN-based computation on BX/BY ratios, which cancels common-mode flux variations due to temperature drift, airgap change, or magnet aging. Intrinsic linearity error is ±1° at 25°C, further correctable via 16-point user calibration.

Does the MLX90324LGO-DBO-000-RE require an external magnet, and what type is recommended?

Yes, the MLX90324LGO-DBO-000-RE requires an external diametrically magnetized permanent magnet placed above the IC surface. Melexis recommends NdFeB magnets with Br ≥ 1.2 T and operating temperature rating ≥ 150°C. The magnetic specification confirms operation up to ±700 mT; exceeding this may saturate the IMC and degrade linearity. Optimal airgap is 1–3 mm depending on magnet size and required angular range.

MLX90324LGO-DBO-000-RE Specifications

Product attributes: Attribute value

Manufacturer:: Melexis Technologies NV

Package/Case:: 16-TSSOP (0.173", 4.40mm 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:: 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-RE FAQ

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

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

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

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

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

Note: Certain payment methods may incur a processing fee.

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

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

Once your MLX90324LGO-DBO-000-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 MLX90324LGO-DBO-000-RE?

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

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

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

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

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

Return procedure for MLX90324LGO-DBO-000-RE:

1.Submit a request within 90 days.

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

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