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Home > Products > Sensors, Transducers > Pressure Sensors, Transducers

Melexis Technologies NV MLX90817LXE-DBG-010-RE

Name: MLX90817LXE-DBG-010-RE
Brand: Melexis Technologies NV
SKU: MLX90817LXE-DBG-010-RE
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: MLX90817LXE-DBG-010-RE

Manufacturer:: Melexis Technologies NV

Category:: Pressure Sensors, Transducers

Package:: 14-BFDFN Exposed Pad

Datasheet:: MLX90817LXE-DBG-010-RE.pdf

Description:: SENSOR 14DFN

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Product details

Overview

MLX90817LXE-DBG-010-RE from Melexis is an automotive-grade absolute pressure sensor IC with MEMS sensing element, 16-bit microcontroller, analog front end, and ratiometric analog output. It delivers 0.2–2.5 bar pressure range, 0.2–4.8 V output, ±33 mBar total accuracy over −40°C to +150°C, and integrated diagnostics for manifold air pressure monitoring in turbocharged engines.

For engineers reviewing the MLX90817LXE-DBG-010-RE datasheet, pinout, applications, or equivalent options, this page provides verified functional specifications, validated pin definitions, confirmed automotive diagnostic features, exact transfer curve parameters, and real-world use context for engine control unit (ECU) integration.

Technical Context

The MLX90817LXE-DBG-010-RE implements a piezoresistive Wheatstone bridge sensing element with on-chip temperature compensation via a 16-bit DSP-based microcontroller. Its analog front end includes programmable gain instrumentation amplifier (Gst1 = 4.49–10.6 V/V), differential stage, and integrator, supporting 16-bit ADC conversion at 5 kHz effective sampling rate.

Diagnostics include broken-track detection on supply/ground lines, clamping level programmability (0–5 V), and fault band generation (Low/High Fault Band). The device uses EEPROM-stored calibration coefficients for third-order temperature compensation of offset and gain, plus linearization parameters for pressure signal correction.

Key Specifications

Parameter	Value and Actual Design Meaning
Pressure Range	0.2–2.5 bar absolute: maps directly to engine intake manifold vacuum and boost conditions in downsized turbo engines.
Analog Output Range	0.2–4.8 V ratiometric: scales linearly with supply voltage (4.5–5.5 V), enabling direct ADC interfacing without external scaling.
Total Accuracy	±33 mBar over full temperature range: ensures <±1.3% FS error for closed-loop boost control and air-fuel ratio calculation.
Operating Temperature	−40°C to +150°C: qualified for under-hood placement adjacent to intake manifolds and turbochargers.
Response Time	0.93 ms (PFLT=0): supports real-time transient pressure tracking during rapid throttle transitions.
Supply Voltage	4.5–5.5 V nominal: compatible with standard automotive 5 V rail; withstands 18 V overvoltage and −14 V reverse polarity.
Output Noise	2 mVrms (BW ≤50 kHz): low enough to resolve <0.1 bar pressure changes without additional filtering.

Pinout & Package

MLX90817LXE-DBG-010-RE is housed in a rugged 4×5 mm DFN14 package (JEDEC MO-229, variant XE) with wettable flanks for automated optical inspection. The package supports harsh-media variants and is qualified per AEC-Q100 Grade 0.

Pin/Terminal	Circuit Role	Design Meaning
1, 3, 5	Test pin	Factory programming and diagnostic access; not connected in end application; must be left floating or grounded per layout guidelines.
7	Vsupply	Main power input (4.5–5.5 V); includes integrated overvoltage/reverse-voltage protection and POR circuitry.
8	Analog Output	Ratiometric voltage output (0.2–4.8 V); drives ≥4.7 kΩ load; supports clamping and fault-band signaling.
10, 14	GND	Power ground terminals; dual GND pins reduce impedance and improve EMC performance in noisy engine environments.
2, 4, 6, 9, 11, 12, 13	Not Connected	No internal connection; must remain unconnected on PCB; no pull-up/down required.

Key Features

Feature	Design Value
System-in-Package Integration	MEMS sensor, analog front end, 16-bit microcontroller, EEPROM, voltage regulators, and diagnostics co-integrated in single DFN die-eliminates external signal conditioning and reduces BOM count by ≥4 components.
Programmable Clamping Levels	Configurable low/high clamping thresholds (0–5 V range, 7-bit resolution) enable robust fault reporting without host MCU intervention.
Automotive Diagnostics	Built-in broken-track detection on Vsupply/GND, overpressure/underpressure alerts, and supply rail monitoring-meets ISO 26262 ASIL-B diagnostic coverage requirements.
Factory-Calibrated Transfer Curve	Pre-programmed P1=0.2 bar / O1=0.2 V and P2=2.5 bar / O2=4.8 V with EEPROM-stored linearization and temperature compensation coefficients-no field calibration needed.
EMC-Robust Architecture	Optimized CMOS layout and integrated protection circuits achieve best-in-class automotive EMC immunity-validated per ISO 11452-2/4/8 and ISO 7637-2/3.

Applications

Manifold Absolute Pressure (MAP) Sensing	Turbocharger Boost Control
Use Scenario: Real-time measurement of intake manifold pressure in gasoline direct injection (GDI) engines across vacuum (−0.8 bar) to boost (+1.5 bar) conditions. IC Role / Device Role / Timing Role: Primary absolute pressure transducer feeding ECU for air mass calculation, spark timing, and fuel injection pulse width. Use Value: ±33 mBar accuracy enables <±1% air mass estimation error at full load, improving combustion efficiency and reducing NOx emissions.	Use Scenario: Closed-loop feedback for variable geometry turbocharger (VGT) actuator control under transient acceleration/deceleration. IC Role / Device Role / Timing Role: High-speed pressure monitor with 0.93 ms response time delivering updated values every 200 µs to ECU boost control loop. Use Value: Enables <50 ms transient response for boost pressure regulation, preventing overboost and compressor surge during tip-in events.
LPG/CNG Fuel Injection Monitoring	Engine Start/Stop System Pressure Validation
Use Scenario: Monitoring absolute pressure upstream of LPG/CNG injectors to ensure correct vapor pressure for stoichiometric mixing. IC Role / Device Role / Timing Role: Safety-critical pressure validation node verifying fuel rail integrity before injector activation. Use Value: Integrated diagnostics detect open-circuit or shorted supply/ground faults and report via analog fault bands-reducing need for redundant sensors.	Use Scenario: Verifying stable manifold pressure during automatic engine restart after stop/start cycle to prevent misfire or rough idle. IC Role / Device Role / Timing Role: Fast-wake pressure validator confirming intake system integrity within 1.3 ms of power-up. Use Value: Power-up time of 1.3 ms ensures pressure data available before first fuel injection event, supporting seamless restart behavior.

Manifold Absolute Pressure (MAP) Sensing

Turbocharger Boost Control

Use Scenario: Real-time measurement of intake manifold pressure in gasoline direct injection (GDI) engines across vacuum (−0.8 bar) to boost (+1.5 bar) conditions.

IC Role / Device Role / Timing Role: Primary absolute pressure transducer feeding ECU for air mass calculation, spark timing, and fuel injection pulse width.

Use Value: ±33 mBar accuracy enables <±1% air mass estimation error at full load, improving combustion efficiency and reducing NOx emissions.

Use Scenario: Closed-loop feedback for variable geometry turbocharger (VGT) actuator control under transient acceleration/deceleration.

IC Role / Device Role / Timing Role: High-speed pressure monitor with 0.93 ms response time delivering updated values every 200 µs to ECU boost control loop.

Use Value: Enables <50 ms transient response for boost pressure regulation, preventing overboost and compressor surge during tip-in events.

LPG/CNG Fuel Injection Monitoring

Engine Start/Stop System Pressure Validation

Use Scenario: Monitoring absolute pressure upstream of LPG/CNG injectors to ensure correct vapor pressure for stoichiometric mixing.

IC Role / Device Role / Timing Role: Safety-critical pressure validation node verifying fuel rail integrity before injector activation.

Use Value: Integrated diagnostics detect open-circuit or shorted supply/ground faults and report via analog fault bands-reducing need for redundant sensors.

Use Scenario: Verifying stable manifold pressure during automatic engine restart after stop/start cycle to prevent misfire or rough idle.

IC Role / Device Role / Timing Role: Fast-wake pressure validator confirming intake system integrity within 1.3 ms of power-up.

Use Value: Power-up time of 1.3 ms ensures pressure data available before first fuel injection event, supporting seamless restart behavior.

Equivalent & Alternatives

The following parts are listed as comparable options for similar absolute pressure sensing applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
MPX5700AP	700 kPa range (0–7 bar), 0.2–4.8 V output, no integrated microcontroller or diagnostics; analog-only signal chain.	Lacks programmable clamping, temperature compensation, and fault reporting-requires external MCU for calibration and diagnostics.	Choose MPX5700AP only if cost sensitivity outweighs diagnostic capability and calibration flexibility.
SP12A	0.2–2.5 bar range, but digital SPI output only; no analog output; requires host processor for data interpretation.	Cannot replace MLX90817LXE-DBG-010-RE in legacy analog-input ECUs without redesigning signal path and firmware.	Select SP12A only when migrating to digital sensor architecture with SPI interface and software-defined diagnostics.

Compared with MPX5700AP and SP12A, MLX90817LXE-DBG-010-RE uniquely combines factory-calibrated analog output, embedded diagnostics, and automotive-grade temperature compensation in a single DFN package-enabling drop-in replacement in analog ECU designs while eliminating external signal conditioning and diagnostic logic.

Availability

MLX90817LXE-DBG-010-RE is available at Aetrix Electronics and suitable for engine control units, turbocharger boost management systems, and alternative fuel injection monitoring requiring stable component supply, long-term automotive lifecycle support, and AEC-Q100-compliant traceability.

Supply support for MLX90817LXE-DBG-010-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 magnetic, pressure, and infrared sensor solutions for automotive and industrial markets, with design centers in Europe and manufacturing partnerships worldwide.

The MLX90817 product line was developed specifically for high-reliability automotive pressure sensing in extreme thermal and electromagnetic environments-targeting engine management, turbo control, and alternative fuel systems where analog output simplicity and diagnostic robustness are critical.

FAQ

What is the calibrated pressure range and output voltage span for MLX90817LXE-DBG-010-RE?

The MLX90817LXE-DBG-010-RE is factory calibrated for 0.2–2.5 bar absolute pressure with corresponding analog output of 0.2–4.8 V at nominal 5 V supply. This ratiometric relationship holds across the full 4.5–5.5 V supply range, and the transfer curve is stored in on-chip EEPROM with temperature compensation coefficients applied in real time by the integrated 16-bit microcontroller.

Does MLX90817LXE-DBG-010-RE support diagnostic reporting through its analog output?

Yes, MLX90817LXE-DBG-010-RE supports analog-based diagnostics including Low Fault Band (0 V clamp) and High Fault Band (5 V clamp) signaling for supply/ground disconnection, as well as programmable clamping thresholds (0–5 V range). These features allow the ECU to detect and classify faults without requiring digital communication-making MLX90817LXE-DBG-010-RE compatible with legacy analog-input control systems.

What is the response time of MLX90817LXE-DBG-010-RE under default filter settings?

With default filter settings (PFLT=0, SSF disabled), MLX90817LXE-DBG-010-RE achieves a 90% response time of 0.93 ms to a pressure step input. This value is measured at room temperature with 5 V supply and accounts for internal signal processing latency, ADC conversion, and analog driver settling-enabling accurate capture of fast transient events in turbocharged engine cycles.

Can MLX90817LXE-DBG-010-RE operate reliably in under-hood automotive environments?

Yes, MLX90817LXE-DBG-010-RE is AEC-Q100 Grade 0 qualified with guaranteed operation from −40°C to +150°C ambient. Its DFN14 package features robust die attach and wire bonding optimized for thermal cycling, and its integrated overvoltage (18 V), reverse-voltage (−14 V), and burst pressure (15 bar) protections ensure reliability in harsh under-hood conditions typical of modern turbocharged powertrains.

Is MLX90817LXE-DBG-010-RE pin-compatible with other MLX90817 option codes?

Yes, all MLX90817 option codes-including MLX90817LXE-DBG-010-RE-share identical DFN14 (XE) package footprint and pinout. The differences between DBG-001, DBG-003, DBG-010, etc., reside solely in EEPROM-programmed calibration parameters, transfer curves, and clamping levels-not in hardware connectivity or physical layout-allowing flexible BOM management and design reuse across pressure range variants.

MLX90817LXE-DBG-010-RE Specifications

Product attributes: Attribute value

Manufacturer:: Melexis Technologies NV

Series:: -

Package/Case:: 14-BFDFN Exposed Pad

Packaging:: Tape & Reel (TR)

Product Status:: Active

Applications:: Board Mount

Pressure Type:: Absolute

Operating Pressure:: -

Output Type:: Analog Voltage

Output:: -

Accuracy:: -

Voltage - Supply:: 4.5V ~ 5.5V

Port Size:: -

Port Style:: No Port

Features:: Amplified Output, Temperature Compensated

Termination Style:: SMD (SMT) Tab

Maximum Pressure:: -

Operating Temperature:: -40°C ~ 150°C

Grade:: -

Qualification:: -

Mounting Type:: Surface Mount

Supplier Device Package:: 14-DFN (4x5)

MLX90817LXE-DBG-010-RE FAQ

1.How can I place an order for MLX90817LXE-DBG-010-RE through Aetrix?

Please submit a Request for Quotation (RFQ) for MLX90817LXE-DBG-010-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 MLX90817LXE-DBG-010-RE reliable?

The price and inventory of MLX90817LXE-DBG-010-RE are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MLX90817LXE-DBG-010-RE is usually 5 days.

3.What payment methods are accepted for MLX90817LXE-DBG-010-RE?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MLX90817LXE-DBG-010-RE transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for MLX90817LXE-DBG-010-RE?

MLX90817LXE-DBG-010-RE orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your MLX90817LXE-DBG-010-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 MLX90817LXE-DBG-010-RE?

For technical support, including MLX90817LXE-DBG-010-RE datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MLX90817LXE-DBG-010-RE requirements.

6.How does Aetrix verify that MLX90817LXE-DBG-010-RE is sourced from the original manufacturer or authorized distributors?

All MLX90817LXE-DBG-010-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 MLX90817LXE-DBG-010-RE meets industry standards.

7.What is the process for return or replacement of MLX90817LXE-DBG-010-RE?

All MLX90817LXE-DBG-010-RE units undergo pre-shipment inspection (PSI). If there is an issue with MLX90817LXE-DBG-010-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 MLX90817LXE-DBG-010-RE part is unused and in its original packaging.

Return procedure for MLX90817LXE-DBG-010-RE:

1.Submit a request within 90 days.

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

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