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

Melexis Technologies NV MLX90818LXE-BBG-016-SP

Name: MLX90818LXE-BBG-016-SP
Brand: Melexis Technologies NV
SKU: MLX90818LXE-BBG-016-SP
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: MLX90818LXE-BBG-016-SP

Manufacturer:: Melexis Technologies NV

Category:: Pressure Sensors, Transducers

Package:: 14-BFDFN Exposed Pad

Datasheet:: MLX90818LXE-BBG-016-SP.pdf

Description:: SENSOR 43.51PSIA 16BIT 14DFN

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Product details

Overview

MLX90818LXE-BBG-016-SP from Melexis is an automotive-grade absolute pressure sensor with integrated 16-bit microcontroller, SENT digital output, and on-chip NTC temperature interface. It delivers ±0.5% FS pressure accuracy over –40°C to 150°C, 0.1–3 bar full-scale range, and ±1°C compensated NTC temperature measurement - used in turbo manifold air pressure sensing with combined pressure/temperature feedback.

For engineers reviewing the MLX90818LXE-BBG-016-SP datasheet, pinout, applications, or equivalent options, key selection criteria include SENT protocol compliance (SAE J2716 Apr 2016), factory-calibrated 0.1–3 bar transfer curve, integrated NTC linearization firmware, DFN14 package ruggedness, and automotive diagnostic features including clamping, broken-wire detection, and overvoltage protection.

Technical Context

The MLX90818LXE-BBG-016-SP implements a piezoresistive MEMS sensing element with Wheatstone bridge output, amplified by a programmable analog front end (gain settings up to 237.4 V/V) and digitized by a 16-bit differential ADC. Its DSP-based architecture performs real-time gain/offset compensation across temperature using EEPROM-stored coefficients (O0–O3, G0–G3) and supports third-order pressure linearization.

Digital functionality includes SENT frame generation with dual-channel capability (fast channel for pressure, slow channel for NTC temperature), configurable PFLT low-pass filter (0–9 depth), SSF small-signal filter, and diagnostics logic for overvoltage, underpressure, and open-circuit NTC detection - all managed by the on-chip 16-bit microcontroller with ROM, RAM, and EEPROM.

Key Specifications

Parameter	Value and Actual Design Meaning
Pressure Range	0.1 to 3 bar absolute - calibrated full-scale range for turbo manifold applications requiring precise boost control.
Pressure Accuracy	±15 mBar (±0.5% FS) at center temperature, ±30 mBar (±1.0% FS) over extended -40°C to 150°C - enables closed-loop engine control without recalibration.
NTC Temperature Accuracy	±1°C (center), ±2°C (extended range) - supports simultaneous air temperature compensation in intake systems.
Output Interface	SENT compliant with SAE J2716 (Apr 2016) - delivers pressure on fast channel and NTC temperature on slow channel with CRC error detection.
Operating Temperature	-40°C to +150°C - qualified for under-hood automotive deployment with no derating required.
Supply Voltage	4.5 V to 5.5 V - compatible with standard 5 V automotive power domains; includes overvoltage (18 V) and reverse-voltage (-18 V) protection.
Package	DFN14 (4 mm × 5 mm, 0.5 mm pitch) - surface-mount rugged package with exposed thermal pad for high-reliability engine bay mounting.

Pinout & Package

MLX90818LXE-BBG-016-SP uses a 14-pin DFN package (4 mm × 5 mm, 0.5 mm pitch) with wettable flank leads and exposed thermal pad for enhanced thermal dissipation and solder joint inspection.

Pin/Terminal	Circuit Role	Design Meaning
1	Test pin	Factory test access; not connected in normal operation.
2, 4, 6, 11, 13	Not Connected	No internal connection; must be left floating or tied to ground per PCB layout guidelines.
3	SENT output	Open-drain SENT signal line; requires external pull-up (10–55 kΩ to Vdd) and RC filtering per SAE J2716.
7	Supply input (Vdd)	Main 4.5–5.5 V supply with integrated regulators; decoupling capacitor (100 nF) required near pin.
8, 12	NTC input	Differential analog inputs for external NTC thermistor; support resistor-divider-based linearization.
10, 14	Ground	Dedicated analog/digital ground pins; must be connected to low-impedance system ground plane.

Key Features

Feature	Design Value
System-in-Package Integration	MEMS sensor, analog front end, 16-bit microcontroller, voltage regulators, and SENT driver co-integrated in single DFN - eliminates external signal conditioning and reduces BOM count.
Factory-Calibrated Transfer Curve	Pre-programmed 0.1–3 bar pressure range with 193–3896 LSB SENT output and clamping levels (1–4088 LSB) - enables drop-in replacement without host ECU reprogramming.
Programmable Diagnostics	Configurable fault detection for overvoltage, underpressure, open NTC, and broken-wire conditions - supports ISO 26262 ASIL-B diagnostic coverage.
Automotive EMC Robustness	Optimized CMOS architecture and integrated slew-rate control deliver best-in-class immunity per ISO 11452-2/4 - validated for harsh engine compartment environments.
NTC Linearization Firmware	On-chip DSP applies EEPROM-stored calibration coefficients (N0–N3, TEMP1–TEMP3) and LUT-based conversion - achieves ±1°C accuracy without host-side computation.

Applications

Turbo Manifold Air Pressure Sensing	Engine Intake Manifold Pressure Monitoring
Use Scenario: Real-time measurement of boosted intake air pressure in gasoline and diesel turbocharged engines for boost control and air-fuel ratio calculation. IC Role / Device Role / Timing Role: Primary absolute pressure transducer delivering SENT-coded pressure data every 3–346 ms depending on PFLT setting, synchronized to engine timing via ECU polling. Use Value: Enables closed-loop turbocharger actuator control with ±15 mBar accuracy across full operating temperature range, reducing emissions and improving fuel economy.	Use Scenario: Continuous monitoring of intake manifold vacuum and pressure during transient throttle events in port-fuel-injected and direct-injected engines. IC Role / Device Role / Timing Role: High-stability pressure sensor providing SENT frames with <3 ms response time (PFLT=0) for rapid load estimation and knock mitigation. Use Value: Delivers stable output under pulsating flow conditions with built-in filtering and diagnostic flags, minimizing false triggers in misfire detection algorithms.
Combined Pressure & Intake Air Temperature Sensing	On-Board Diagnostic (OBD-II) Pressure Monitoring
Use Scenario: Simultaneous acquisition of absolute pressure and intake air temperature using single-package solution with shared SENT bus. IC Role / Device Role / Timing Role: Dual-role sensor supplying pressure on SENT fast channel and NTC-derived temperature on slow channel - both fully compensated and linearized onboard. Use Value: Eliminates need for separate temperature sensor and associated wiring, reducing system cost and failure modes while maintaining ±1°C NTC accuracy.	Use Scenario: Compliance monitoring for OBD-II pressure-related readiness codes (e.g., P0068, P0106) in light-duty vehicle ECUs. IC Role / Device Role / Timing Role: Automotive-qualified sensor with embedded diagnostics (clamping, open-circuit, overpressure) and EEPROM-stored fault history - supports standardized diagnostic trouble code reporting. Use Value: Provides certified diagnostic outputs meeting SAE J1978 requirements without additional host firmware development.

Turbo Manifold Air Pressure Sensing

Engine Intake Manifold Pressure Monitoring

Use Scenario: Real-time measurement of boosted intake air pressure in gasoline and diesel turbocharged engines for boost control and air-fuel ratio calculation.

IC Role / Device Role / Timing Role: Primary absolute pressure transducer delivering SENT-coded pressure data every 3–346 ms depending on PFLT setting, synchronized to engine timing via ECU polling.

Use Value: Enables closed-loop turbocharger actuator control with ±15 mBar accuracy across full operating temperature range, reducing emissions and improving fuel economy.

Use Scenario: Continuous monitoring of intake manifold vacuum and pressure during transient throttle events in port-fuel-injected and direct-injected engines.

IC Role / Device Role / Timing Role: High-stability pressure sensor providing SENT frames with <3 ms response time (PFLT=0) for rapid load estimation and knock mitigation.

Use Value: Delivers stable output under pulsating flow conditions with built-in filtering and diagnostic flags, minimizing false triggers in misfire detection algorithms.

Combined Pressure & Intake Air Temperature Sensing

On-Board Diagnostic (OBD-II) Pressure Monitoring

Use Scenario: Simultaneous acquisition of absolute pressure and intake air temperature using single-package solution with shared SENT bus.

IC Role / Device Role / Timing Role: Dual-role sensor supplying pressure on SENT fast channel and NTC-derived temperature on slow channel - both fully compensated and linearized onboard.

Use Value: Eliminates need for separate temperature sensor and associated wiring, reducing system cost and failure modes while maintaining ±1°C NTC accuracy.

Use Scenario: Compliance monitoring for OBD-II pressure-related readiness codes (e.g., P0068, P0106) in light-duty vehicle ECUs.

IC Role / Device Role / Timing Role: Automotive-qualified sensor with embedded diagnostics (clamping, open-circuit, overpressure) and EEPROM-stored fault history - supports standardized diagnostic trouble code reporting.

Use Value: Provides certified diagnostic outputs meeting SAE J1978 requirements without additional host firmware development.

Equivalent & Alternatives

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

Alternative Part	Technical Difference	Application Difference	Selection Advice
MLX90818LXE-BBG-017-SP	Same DFN14 package and architecture, but 0.1–4 bar pressure range and identical NTC capability - no change in SENT format or pinout.	Used where higher full-scale pressure (e.g., supercharged engines) is required; same temperature accuracy and diagnostics.	Select BBG-017 when system max pressure exceeds 3 bar; otherwise BBG-016 provides tighter resolution within 3 bar range.
MPX5700AC6U	Analog output (ratiometric 0.2–4.8 V), no integrated microcontroller or SENT; requires external ADC and signal conditioning; ±2% FS accuracy; -40°C to 125°C range.	Suitable for legacy analog ECU interfaces; lacks NTC integration, diagnostics, and automotive qualification beyond AEC-Q100 Grade 2.	Choose only if SENT interface is unavailable; expect added design effort for signal chain, calibration, and fault handling.

Compared with MLX90818LXE-BBG-017-SP, the MLX90818LXE-BBG-016-SP offers higher pressure resolution (15 mBar vs. 20 mBar typical error) within its 3 bar range, while MPX5700AC6U requires external components to achieve basic functionality and lacks on-chip diagnostics or temperature compensation - making MLX90818LXE-BBG-016-SP optimal for new SENT-based automotive designs.

Availability

MLX90818LXE-BBG-016-SP is available at Aetrix Electronics and suitable for turbocharged engine control units, intake manifold pressure monitoring systems, and OBD-II diagnostic modules requiring stable component supply, long-term automotive lifecycle support, and AEC-Q100 qualified performance.

Supply support for MLX90818LXE-BBG-016-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, pressure, and infrared sensors for automotive and industrial markets, with global manufacturing and AEC-Q100 qualification expertise.

The MLX90818 product line is designed for high-accuracy, high-reliability absolute pressure measurement in harsh automotive environments - specifically targeting turbo/supercharger boost control, intake manifold monitoring, and integrated pressure-temperature sensing.

FAQ

What is the pressure measurement range of the MLX90818LXE-BBG-016-SP?

The MLX90818LXE-BBG-016-SP has a calibrated absolute pressure range of 0.1 bar to 3 bar. This corresponds to a SENT output span of 193 to 3896 LSB, with clamping limits set at 1 LSB (low) and 4088 LSB (high). The range is factory-programmed and optimized for turbo manifold applications where precise low-to-mid boost pressure control is critical.

Does the MLX90818LXE-BBG-016-SP include integrated temperature sensing?

Yes, the MLX90818LXE-BBG-016-SP includes both on-die PTAT temperature sensing (±10°C accuracy) and a dedicated analog interface for external NTC thermistors. For the BBG-016 variant, the NTC interface is enabled and factory-calibrated to deliver ±1°C accuracy across –55°C to 200°C, with linearization performed entirely onboard by the 16-bit microcontroller.

What communication protocol does the MLX90818LXE-BBG-016-SP use?

The MLX90818LXE-BBG-016-SP uses the Single Edge Nibble Transmission (SENT) protocol compliant with SAE J2716 (April 2016). It transmits pressure data on the fast channel and NTC temperature data on the slow channel, both with CRC error checking. No external UART or protocol converter is needed - the SENT signal is driven directly from the IC's open-drain output pin.

Is the MLX90818LXE-BBG-016-SP AEC-Q100 qualified?

Yes, the MLX90818LXE-BBG-016-SP is AEC-Q100 qualified for Grade 0 (–40°C to +150°C), with full automotive qualification including stress testing, reliability validation, and diagnostic feature implementation. Its design meets ISO 26262 requirements for ASIL-B capable systems, supporting functional safety applications in powertrain control.

Can the MLX90818LXE-BBG-016-SP be reprogrammed in-system?

Yes, the MLX90818LXE-BBG-016-SP supports in-system programming via its SENT interface using Melexis' proprietary communication protocol. Users can update EEPROM parameters including pressure transfer curves, NTC calibration coefficients, filter settings (PFLT/SSF), and diagnostic thresholds - enabling field calibration and customization without removing the device from the PCB.

MLX90818LXE-BBG-016-SP Specifications

Product attributes: Attribute value

Manufacturer:: Melexis Technologies NV

Series:: Triaxis®

Package/Case:: 14-BFDFN Exposed Pad

Packaging:: Bulk

Product Status:: Active

Applications:: -

Pressure Type:: Absolute

Operating Pressure:: 1.45PSI ~ 43.51PSI (10kPa ~ 300kPa)

Output Type:: SENT

Output:: 16 b

Accuracy:: ±0.5%

Voltage - Supply:: 4.5V ~ 5.5V

Port Size:: -

Port Style:: No Port

Features:: 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)

MLX90818LXE-BBG-016-SP FAQ

1.How can I place an order for MLX90818LXE-BBG-016-SP through Aetrix?

Please submit a Request for Quotation (RFQ) for MLX90818LXE-BBG-016-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 MLX90818LXE-BBG-016-SP reliable?

The price and inventory of MLX90818LXE-BBG-016-SP are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MLX90818LXE-BBG-016-SP is usually 5 days.

3.What payment methods are accepted for MLX90818LXE-BBG-016-SP?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MLX90818LXE-BBG-016-SP transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for MLX90818LXE-BBG-016-SP?

MLX90818LXE-BBG-016-SP orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your MLX90818LXE-BBG-016-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 MLX90818LXE-BBG-016-SP?

For technical support, including MLX90818LXE-BBG-016-SP datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MLX90818LXE-BBG-016-SP requirements.

6.How does Aetrix verify that MLX90818LXE-BBG-016-SP is sourced from the original manufacturer or authorized distributors?

All MLX90818LXE-BBG-016-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 MLX90818LXE-BBG-016-SP meets industry standards.

7.What is the process for return or replacement of MLX90818LXE-BBG-016-SP?

All MLX90818LXE-BBG-016-SP units undergo pre-shipment inspection (PSI). If there is an issue with MLX90818LXE-BBG-016-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 MLX90818LXE-BBG-016-SP part is unused and in its original packaging.

Return procedure for MLX90818LXE-BBG-016-SP:

1.Submit a request within 90 days.

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

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