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MCU-3115 MPL3115A2 Module

Q: How does Flychip verify the quality of MCU-3115 MPL3115A2 Module?

Flychip works with qualified channels including international chip manufacturers and well-known distributors. Our team focuses on supplier review, traceability, product condition and quality control.

MCU-3115 is a breakout module based on the MPL3115A2 precision I2C pressure sensor, providing barometric pressure, altitude and temperature data with interrupt outputs and a board marked for 2.3–5V Vin and logic.

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Part No.:: MCU-3115 MPL3115A2 Module

Manufacturer:: CHINA

Category:: Pressure Sensors, Transducers

Package:: Pressure Sensor Breakout Module

Datasheet:: MCU-3115 MPL3115A2 Module.pdf

Description:: MCU-3115 is a breakout module based on the MPL3115A2 precision I2C pressure sensor, providing barometric pressure, altitude and temperature data with interrupt outputs and a board marked for 2.3–5V Vin and logic.

Quantity:: RFQ Add To RFQ list

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MCU-3115 MPL3115A2 Module CHINA product image

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Product Details

FLYCHIP Product Review

MCU-3115 MPL3115A2 Pressure Module Engineering Review

Engineering and procurement review of the MCU-3115 MPL3115A2 pressure module for barometric pressure, altitude and temperature measurement through an I2C digital interface.

Sensor MPL3115A2 Absolute Pressure Sensor

Pressure Range 20 kPa to 110 kPa

Actual Module Marking Vin & Logic: 2.3V–5V

FLYCHIP Sourcing Experience

MCU-3115 is a breakout-board implementation built around the MPL3115A2 digital pressure sensor. Unlike a bare sensor IC, module procurement should verify both the core sensor and the PCB-level implementation.

I2C: Digital pressure, altitude and temperature interface

20-bit: Pressure and altitude digital output

6-Pin: Compact breakout-board connection format

Actual Module Quality Review

The supplied physical product should be treated as the reference for board-level identification. The actual module shows MPL3115A2 marking on the front and identifies itself as an I2C barometric pressure, altimeter and temperature board.

PCB Board Identification

Confirm the same PCB layout, component arrangement, mounting holes and silkscreen as the approved sample.

IC Sensor Verification

Confirm that the installed pressure sensor is MPL3115A2 rather than a visually similar substitute.

PIN Interface Verification

The physical board exposes SDA, SCL, INT1, INT2 and power/ground connections.

QC Incoming Inspection

Inspect the pressure-port opening, solder joints, header pins, PCB cleanliness and packaging condition.

Actual-board marking: the supplied module is marked "I2C Barometric Pressure Altimeter & Temperature" and "Vin&Logic: 2.3–5V." This is a board-level specification and should not be confused with the lower native supply voltage of the bare MPL3115A2 sensor.

MCU-3115 MPL3115A2 Engineering Verification

MPL3115A2 is a piezoresistive absolute pressure sensor with internal compensation and digital processing. It can operate as a barometer or altimeter and also provides temperature data through the same I2C interface.

Parameter	Specification	Engineering Meaning
Module	MCU-3115	Breakout-board implementation for easier integration of the MPL3115A2 sensor.
Core Sensor	MPL3115A2	Absolute digital barometric pressure, altitude and temperature sensor.
Pressure Type	Absolute	Measures atmospheric pressure against an internal reference.
Operating Pressure Range	20 kPa to 110 kPa	Covers the atmospheric-pressure range required for surface elevation measurements.
Calibrated Pressure Range	50 kPa to 110 kPa	Use this range when evaluating the manufacturer-specified calibrated performance.
Pressure Output	20-bit	Pressure data is available directly in Pascals.
Altitude Output	20-bit	Internal processing can provide altitude directly in meters.
Altitude Output Range	-698 m to 11,775 m	Digital conversion range documented for the MPL3115A2 altimeter mode.
Typical Altitude Resolution	Approximately 0.3 m at 128× OSR	Resolution describes detectable output change, not absolute altitude accuracy.
Temperature Output	12-bit	Temperature information is available together with pressure measurements.
Temperature Range	-40°C to +85°C	Native sensor operating and temperature-output range.
I2C Address	0x60	Check for address conflicts when several devices share the same I2C bus.
Interrupt Outputs	INT1 and INT2	Can be used for threshold, data-ready and programmable events.
FIFO	32 samples	Supports autonomous acquisition and buffered data collection.
Sensor VDD	1.95V to 3.6V	Native MPL3115A2 sensor supply range.
Sensor VDDIO	1.62V to 3.6V	Native digital-interface supply range of the bare sensor.
MCU-3115 Board Marking	Vin & Logic: 2.3V to 5V	This is the actual module-board marking, not the bare-sensor VDD specification.
Typical Standby Current	2µA at sensor level	Useful for low-power and battery-powered sensing.
Typical Applications	Weather, altitude, navigation, wearables and environmental sensing	Suitable where digital barometric pressure information is required.

Do not confuse module voltage with IC voltage: the MCU-3115 PCB is marked for 2.3–5V Vin/logic, while the bare MPL3115A2 has lower native supply limits.
Use the calibrated range correctly: the sensor operates down to 20kPa, but manufacturer calibration specifications are primarily defined from 50kPa to 110kPa.
Altitude depends on reference pressure: changes in weather can shift calculated altitude if sea-level reference pressure is not updated.
Keep the pressure port exposed: enclosure design must allow ambient pressure to reach the sensor.
Protect the MEMS opening: avoid liquids, flux, adhesive, dust and aggressive cleaning media entering the sensor pressure port.
Check I2C pull-ups: confirm the breakout board and host do not create an unsuitable combined pull-up resistance.
Use interrupts when useful: INT1 and INT2 can reduce unnecessary polling in battery-powered systems.
Distinguish resolution from accuracy: fine digital output resolution does not mean the same numerical value as absolute pressure accuracy.

BOM and Module Integration Support

The MCU-3115 module can simplify prototyping because the small LGA pressure sensor is already mounted on a larger PCB with accessible connection pads.

1: Module Verification
Confirm the same PCB revision, MPL3115A2 sensor and pin arrangement.

2: Host Interface Review
Check supply voltage, I2C logic, pull-up requirements and interrupt connections.

3: Mechanical Review
Confirm module dimensions, header arrangement and pressure-port exposure.

4: Production Control
Lock the approved sample and require notification before PCB or sensor substitution.

MCU-3115 MPL3115A2 Procurement Risk Points

Generic Module Name	MCU-3115 is a board-level product description and should not be treated as an NXP manufacturer MPN.
Core Sensor	Confirm MPL3115A2 marking and sensor identity on the supplied production board.
PCB Revision	Generic breakout boards can change regulator, level-shifting components or layout between batches.
Voltage Claim	Keep board-level 2.3–5V marking separate from native MPL3115A2 IC voltage ratings.
I2C Address	MPL3115A2 uses fixed 7-bit address 0x60; verify system-bus compatibility.
Sensor Port	Reject modules with contamination, blockage or mechanical damage around the MEMS opening.
Lifecycle	Original MPL3115A2 has entered discontinued status. Long-term projects should review current availability and successor strategy before design lock.

EOL

MPL3115A2 lifecycle requires attention

The original NXP MPL3115A2 has been discontinued, and NXP's MEMS sensor portfolio transferred to STMicroelectronics in 2026. Existing modules may still be available, but long-term production programs should verify supply before qualification.

Supply Chain and Incoming Inspection

Because MCU-3115 is a board assembly rather than a single factory-controlled semiconductor MPN, visual inspection and approved-sample comparison are particularly important.

Reference Sample	Keep the supplied physical module as an approved visual and electrical reference.
Front PCB	Confirm MPL3115A2 marking, interface labels and component layout.
Rear PCB	Confirm barometric pressure / altimeter / temperature text and 2.3–5V board marking.
Header Pins	Check straightness, plating, soldering and pin-count consistency.
MEMS Sensor	Inspect pressure-port condition and avoid material with visible contamination.
Functional Test	Verify I2C communication, pressure reading and temperature output.

PCB and System Integration Support

Barometric sensing is unusually sensitive to mechanical and environmental implementation. A correct schematic alone does not guarantee useful pressure or altitude measurements.

I2C

Digital Interface

Verify SDA/SCL voltage compatibility, pull-ups and the fixed 0x60 address.

AIR

Pressure Path

Provide a clear path between ambient air and the MEMS pressure opening.

INT

Interrupt Design

INT1 and INT2 can support threshold, data-ready and autonomous acquisition functions.

TEST

Calibration Validation

Compare readings with a known atmospheric-pressure reference when system accuracy matters.

Enclosure recommendation: do not seal the pressure sensor inside an airtight enclosure. If environmental protection is required, use a suitable pressure-permeable venting solution that does not block the sensor.

Recommended Purchase Decision Flow

Photo Match › Sensor Check › Voltage Review › I2C Test › Sample Approval › Order Release

Use the physical module as reference: confirm front and rear PCB appearance before repeat orders.
Confirm MPL3115A2: do not accept a sensor substitution without engineering review.
Confirm board voltage: use the actual MCU-3115 board specification rather than applying bare-sensor voltage directly.
Test I2C address 0x60: verify host communication before volume purchasing.
Inspect pressure ports: reject contaminated or physically damaged sensor openings.
Review lifecycle: determine whether remaining MPL3115A2 module supply is sufficient for the planned production lifetime.

EEAT Review Notice

MCU-3115 is a module-level product built around the MPL3115A2 sensor. Board-level voltage, PCB layout, pin arrangement and auxiliary components should be verified against the actual supplied board.

MPL3115A2 semiconductor-level pressure, altitude, temperature, I2C and electrical specifications should be checked against the applicable manufacturer datasheet before final design release.

Primary specification basis: NXP Semiconductors MPL3115A2 - I2C Precision Pressure Sensor with Altimetry, Product Data Sheet Rev. 8.1, May 2024.

Current lifecycle note: NXP announced transfer of its MEMS sensor portfolio to STMicroelectronics effective February 2026. The original MPL3115A2 is identified as discontinued, so current sourcing and successor availability should be reviewed for new or long-lifecycle designs.

Module verification basis: Actual MCU-3115 product sample supplied for this product page, including front and rear PCB markings.

FLYCHIP EEAT Procurement & Engineering Review · MCU-3115 MPL3115A2 Pressure Module

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MCU-3115 MPL3115A2 Module Technical Information

Specifications
FAQ
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Specifications

Product Attributes: Attribute Value

Manufacturer:: CHINA

Series:: MCU-3115

Package/Case:: Pressure Sensor Breakout Module

Packaging:: Anti-Static Bag

Product Status:: Market Available (Core Sensor Discontinued)

Applications:: Barometric Pressure, Altimeter, Weather Station, IoT, Navigation, Environmental Monitoring

Pressure Type:: Absolute

Operating Pressure:: 20 kPa to 110 kPa

Output Type:: Digital

Output:: I2C, 20-Bit Pressure/Altitude, 12-Bit Temperature

Accuracy:: ±0.4 kPa Absolute

Voltage - Supply:: 2.3V to 5V (Module)

Port Size:: N/A

Port Style:: Exposed MEMS Pressure Port

Features:: Barometer, Altimeter, Temperature Sensor, I2C, INT1/INT2, 32-Sample FIFO

Termination Style:: 6-Pin Through-Hole Header

Maximum Pressure:: 500 kPa (Absolute Maximum, Sensor)

Operating Temperature:: -40°C to +85°C

Grade:: Standard / General Purpose

Qualification:: N/A

Mounting Type:: Through-Hole / Module

Supplier Device Package:: Breakout Module with MPL3115A2 LGA Sensor

FAQ

1. How to order MCU-3115 MPL3115A2 Module on Flychip?

You can submit an RFQ directly on this page. Our sales team will review your quantity, delivery requirements and target price, then reply with a quotation as soon as possible.

2. How does Flychip verify the quality of MCU-3115 MPL3115A2 Module?

We work with qualified channels including international chip manufacturers and well-known distributors. Our team pays close attention to supplier review, traceability, product condition and quality control.

3. Are the price and inventory of MCU-3115 MPL3115A2 Module updated in real time?

Inventory and prices of electronic components may fluctuate frequently. The displayed data is for reference, and the final quotation will be confirmed by our sales team.

4. What payment methods are accepted?

Wire Transfer, PayPal, Alipay, WeChat, Credit Card, Western Union, MoneyGram and Escrow may be supported depending on the order and region.

5. How is shipping arranged?

We can arrange international shipping through DHL, UPS, FedEx, TNT and other logistics channels. Tracking information will be provided after shipment.

6. What is the return or replacement process for MCU-3115 MPL3115A2 Module?

Please contact our sales team within the specified period if there are quantity differences, wrong items, or clear external defects. The product should remain unused and in its original packaging.

7. Can I request technical support for MCU-3115 MPL3115A2 Module?

Yes. You can contact us for datasheet, package details, pin information and sourcing assistance related to MCU-3115 MPL3115A2 Module.

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MCU-3115 MPL3115A2 Module Sourcing & Technical Support

MCU-3115 MPL3115A2 Module is supplied by CHINA. This page provides key purchasing information including manufacturer, package, datasheet, stock reference, price reference and RFQ support.

As your reliable partner for semiconductor solutions, Flychip supports customers from research and development to mass production with electronic component supply, BOM sourcing, PCB, SMT and PCBA solutions.

Our sourcing partners include international chip manufacturers and well-known distributors. With rich experience in channel management, quality control and sales management, Flychip helps customers accelerate product development and delivery.