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Melexis Technologies NV MLX90324LGO-DBO-000-TU
- Part No.:
- MLX90324LGO-DBO-000-TU
- Manufacturer:
- Melexis Technologies NV
- Category:
- Angle, Linear Position Measuring
- Package:
- 16-TSSOP (0.173", 4.40mm Width)
- Datasheet:
-
MLX90324LGO-DBO-000-TU.pdf
- Description:
- SENSOR ROTARY 360DEG SMD
- Quantity:
- Payment:
- Shipping:
Inventory:3,655
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Product details
Overview
MLX90324LGO-DBO-000-TU from Melexis is an absolute rotary position sensor IC using Triaxis® Hall technology with integrated magneto-concentrator (IMC), operating over −40°C to +150°C, delivering 12-bit angular resolution and supporting SENT (SAE-J2716), analog ratiometric, or PWM output modes for under-the-hood automotive applications such as throttle and EGR actuators.
For engineers reviewing the MLX90324LGO-DBO-000-TU 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 bits over temperature, and magnetic field sensitivity up to 70 mT.
Technical Context
The MLX90324LGO-DBO-000-TU implements a dual-die TSSOP-16 configuration with full redundancy, enabling functional safety compliance in ASIL-B systems. Its Triaxis® front-end captures orthogonal BX and BY flux components via two pairs of planar Hall plates and an IMC, enabling intrinsic self-compensation against airgap and thermal drift through arctangent computation (VY/VX).
Digital signal processing is performed by a 16-bit RISC microcontroller running firmware stored in 10 kB ROM, supporting configurable ADC resolution (14–15 bits), programmable FIR/IIR filtering, and end-user calibration of clamping, deadzone, hysteresis, and 16-point linearization tables stored in 128 B EEPROM with Hamming ECC.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Operating Temperature | −40°C to +150°C - qualified for under-hood automotive environments including engine bay placement. |
| Angular Resolution | 12-bit - enables 0.0879° quantization step for high-precision position feedback. |
| Thermal Accuracy | 10-bit over temperature - maintains ≤0.35° angular error across full range despite thermal drift. |
| Output Protocols | SENT (SAE-J2716), analog ratiometric, PWM - supports diagnostic-rich digital communication and legacy analog/PWM interfaces. |
| Magnetic Sensitivity | 20–70 mT - compatible with standard diametrically magnetized NdFeB magnets at typical airgaps. |
| Package | TSSOP-16 - dual-die redundant layout with isolated die-to-die resistance ≥4 MΩ per isolation spec. |
| Supply Voltage | 4.5–5.5 V - operates from standard 5 V automotive rail with POR at 2.7 V. |
| Power Modes | Slow/Medium/Fast - selectable clock frequencies (5.5/10/16 MHz) and sampling rates (600/400/330 μs) for latency vs. current trade-offs. |
Pinout & Package
TSSOP-16 package with dual-die redundancy; RoHS compliant; body dimensions 5.0 × 4.4 × 1.2 mm (JEDEC MO-153).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 11 | VDD1 / VDD2 | Independent power supply pins for each die - enables fault-isolated power domain operation. |
| 2, 10 | VSS1 / VSS2 | Independent ground return paths per die - critical for EMC robustness and diagnostic integrity. |
| 5, 15 | Out1 / Out2 | Redundant primary output terminals - support cross-checking for ASIL-B diagnostics. |
| 13 | Switch Out1 | Programmable angular switch output - configurable hysteresis and deadzone for threshold-based actuation. |
| 4, 12, 14, 16 | Test 01 / Test 02 / Not Used1 / Test 11 | Factory test and calibration access points - must be tied to ground per EMC recommendation. |
| 3, 6, 7, 8, 9 | VDIG1 / Not Used2 / Out2 / Test 12 / VDIG2 | Digital supply and secondary outputs - support independent signal conditioning per die path. |
Key Features
| Feature | Design Value |
|---|---|
| Triaxis® Hall + IMC | Enables true coplanar magnetic field sensing for absolute 0–360° angle measurement without mechanical stops. |
| 16-point Linearization | Allows precise correction of nonlinearity from magnet misalignment or mechanical tolerances in production assemblies. |
| SENT Protocol Support | Provides SAE-J2716-compliant 3-nibble status + 12-bit angle data with CRC, enabling OEM diagnostic integration. |
| Dual-Die Redundancy | Two independent sensing paths on one die enable cross-comparison for fault detection in safety-critical systems. |
| EEPROM with Hamming ECC | 128 B user-programmable memory stores calibration, transfer curve, and ID data with single-bit error correction. |
| Programmable Switch Output | Configurable angular threshold with hysteresis and deadzone eliminates external comparators in simple actuator control. |
Applications
| Throttle Position Sensing | EGR Valve Actuation |
|---|---|
Use Scenario: Real-time monitoring of butterfly valve angular position in gasoline/diesel intake manifolds under high-temperature, vibration-prone conditions. IC Role / Device Role / Timing Role: Absolute rotary position sensor providing SENT-encoded angle data to ECU for closed-loop air-fuel ratio control. Use Value: Eliminates potentiometer wear and contact bounce; 10-bit thermal accuracy ensures consistent idle and transient response across −40°C to +150°C. | Use Scenario: Feedback sensing for exhaust gas recirculation valve rotation in diesel aftertreatment systems exposed to hot exhaust proximity. IC Role / Device Role / Timing Role: Redundant dual-die position transducer delivering synchronized analog and SENT outputs for ASIL-B-compliant fault detection. Use Value: Dual-die architecture enables real-time comparison between outputs, satisfying ISO 26262 diagnostic coverage requirements for EGR system integrity. |
| Non-Contacting Potentiometer | EMS Actuator Feedback |
Use Scenario: Replacement of mechanical potentiometers in industrial servo valves and HVAC dampers where dust, moisture, or lifetime exceed 100M cycles. IC Role / Device Role / Timing Role: Contactless angular encoder with programmable 3- or 16-point transfer curve matching custom mechanical stroke profiles. Use Value: 16-point linearization compensates for non-uniform gear ratios or cam profiles, achieving <±0.5° total error without external lookup tables. | Use Scenario: Position feedback in electric motor-driven turbocharger vanes, variable geometry oil pumps, and active suspension linkages. IC Role / Device Role / Timing Role: High-speed angular sensor with Fast mode (330 μs sampling) and PWM output for direct motor controller interface. Use Value: 12-bit PWM resolution at 1 kHz enables precise duty-cycle-based actuator drive without additional ADC stages in MCU. |
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-TU | Single-die TSSOP-16; no dual-redundancy; lacks SENT; max 10-bit thermal accuracy. | Suitable for non-safety-critical throttle or HVAC applications where cost and footprint are prioritized over ASIL compliance. | Select when redundancy and SENT are not required; lower BOM cost but no fault-tolerant capability. |
| AMS AS5055A-BQFT | 14-bit resolution; SPI interface only; no SENT or PWM; 125°C max ambient; no integrated IMC (requires external concentrator). | Used in industrial encoders and medical robotics where SPI integration and higher resolution outweigh automotive qualification needs. | Choose for SPI-based systems needing finer angular quantization; requires external magnetics design and lacks automotive temp rating. |
Compared with MLX90324LGO-DBO-000-TU, the MLX90316 offers lower cost and smaller feature set for non-redundant use cases, while the AS5055A provides higher resolution and SPI flexibility at the expense of automotive qualification, SENT support, and integrated magnetic sensing - making MLX90324LGO-DBO-000-TU uniquely suited for ASIL-B under-hood deployments requiring dual-die redundancy and multi-protocol output.
Availability
MLX90324LGO-DBO-000-TU is available at Aetrix Electronics and suitable for automotive engine management systems, industrial valve positioning, and safety-critical motion control applications requiring stable component supply, long-term lifecycle assurance, and traceable sourcing.
Supply support for MLX90324LGO-DBO-000-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 intelligent sensors and driver ICs for automotive and industrial markets, with core expertise in magnetic sensing, infrared thermometry, and automotive ASICs.
The MLX90324 belongs to Melexis' Triaxis® rotary position sensor product line, designed specifically for harsh-environment automotive "under-the-hood" applications demanding high temperature resilience, functional safety readiness, and multi-protocol output flexibility.
FAQ
What output protocols does the MLX90324LGO-DBO-000-TU support?
The MLX90324LGO-DBO-000-TU supports three configurable output protocols: SENT (SAE-J2716) for diagnostic-rich digital communication, ratiometric analog voltage (0–100% VDD), and PWM with programmable frequency (100–1000 Hz). All modes are user-selectable via EEPROM programming and do not require hardware changes - the same MLX90324LGO-DBO-000-TU device can be deployed across multiple ECU architectures.
Is the MLX90324LGO-DBO-000-TU pin-compatible with other MLX903xx variants?
No - the MLX90324LGO-DBO-000-TU uses a TSSOP-16 dual-die package with dedicated redundant VDD/VSS/OUT pins, differing from SOIC-8 single-die variants like MLX90324LDC-DBO-000-TU. Pin functions and counts are not interchangeable; PCB layout must match the TSSOP-16 dual-die mapping specified in Section 20.5 of the datasheet. The MLX90324LGO-DBO-000-TU requires separate power and ground routing for each die.
How is redundancy implemented in the MLX90324LGO-DBO-000-TU?
Redundancy in the MLX90324LGO-DBO-000-TU is achieved via two physically independent sensing dies in one TSSOP-16 package, each with its own VDD, VSS, and output (Out1/Out2). They share identical firmware and magnetic front-ends but operate autonomously, enabling cross-die comparison for fault detection. Isolation resistance between dies exceeds 4 MΩ, satisfying ASIL-B diagnostic independence requirements per ISO 26262.
Can the MLX90324LGO-DBO-000-TU be programmed in-system?
Yes - the MLX90324LGO-DBO-000-TU supports in-system programming via its supply (VDD/VSS) and output (Out1/Out2) pins using the Melexis PTC-04 programmer and MLX90316/90324 daughterboard. No dedicated programming pins are needed. Parameters including output mode, 16-point transfer curve, clamping levels, switch thresholds, and identification data are written to EEPROM with Hamming ECC protection during final test or field calibration.
What is the maximum magnetic field the MLX90324LGO-DBO-000-TU can tolerate?
The MLX90324LGO-DBO-000-TU has an absolute maximum magnetic flux density rating of ±700 mT, but its specified operational range is 20–70 mT. Above 70 mT, the integrated magneto-concentrator (IMC) begins saturating, increasing linearity error. For reliable 0–360° angular measurement, design must maintain peak field within 70 mT using appropriate magnet size, grade, and airgap - verified per Section 11 of the datasheet.
MLX90324LGO-DBO-000-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:
- 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-TU FAQ
1.How can I place an order for MLX90324LGO-DBO-000-TU through Aetrix?
Please submit a Request for Quotation (RFQ) for MLX90324LGO-DBO-000-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 MLX90324LGO-DBO-000-TU reliable?
The price and inventory of MLX90324LGO-DBO-000-TU 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-TU is usually 5 days.
3.What payment methods are accepted for MLX90324LGO-DBO-000-TU?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MLX90324LGO-DBO-000-TU transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MLX90324LGO-DBO-000-TU?
MLX90324LGO-DBO-000-TU orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MLX90324LGO-DBO-000-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 MLX90324LGO-DBO-000-TU?
For technical support, including MLX90324LGO-DBO-000-TU datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MLX90324LGO-DBO-000-TU requirements.
6.How does Aetrix verify that MLX90324LGO-DBO-000-TU is sourced from the original manufacturer or authorized distributors?
All MLX90324LGO-DBO-000-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 MLX90324LGO-DBO-000-TU meets industry standards.
7.What is the process for return or replacement of MLX90324LGO-DBO-000-TU?
All MLX90324LGO-DBO-000-TU units undergo pre-shipment inspection (PSI). If there is an issue with MLX90324LGO-DBO-000-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 MLX90324LGO-DBO-000-TU part is unused and in its original packaging.
Return procedure for MLX90324LGO-DBO-000-TU:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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