NXP Semiconductors MPXV4006G6U

Overview

MPXV4006G6U from Freescale Semiconductor is a monolithic silicon piezoresistive pressure sensor with on-chip signal conditioning, temperature compensation, and factory calibration. It delivers a ratiometric 0.2–4.7 V analog output over a 0–6 kPa (0–0.87 psi) gauge pressure range, operates from 4.75–5.25 V supply, consumes ≤10 mA, and achieves ±5.0% full-scale span accuracy across 10°C to 60°C - deployed in microcontroller-based medical airflow monitors and HVAC differential pressure controllers.

For engineers reviewing the MPXV4006G6U datasheet, MPXV4006G6U pinout, MPXV4006G6U application, or MPXV4006G6U equivalent, this page provides verified package mapping (Case 482-01 SOP), confirmed pin functions (VS, GND, Vout), calibrated transfer function (Vout = VS × [(0.1533×P) + 0.045]), and two validated alternative sensors for low-pressure sensing in embedded systems.

Technical Context

The MPXV4006G6U integrates a shear-stress strain gauge, thin-film temperature compensation network, dual-stage gain amplification, and ground-reference shift circuitry onto a single die. Its output is ratiometric to supply voltage and requires no external zeroing before factory installation - though auto-zeroing post-mounting is mandatory to achieve ±5% VFSS accuracy due to mechanical stress sensitivity.

It uses fluorosilicone gel encapsulation to isolate wire bonds and die while transmitting pressure to the silicon diaphragm, and is qualified for dry air media only. The device exhibits defined linearity, temperature hysteresis, pressure hysteresis, offset stability, TcSpan, and TcOffset contributions within its ±5.0% VFSS error budget.

Key Specifications

Pinout & Package

MPXV4006G6U uses Case 482-01: an 8-pin small-outline package (SOP), surface-mount, thermoplastic (PPS) housing with stainless steel cap on the P1 (pressure) side. Dimensions: 10.79 × 10.79 × 5.84 mm (L×W×H), lead pitch 2.54 mm.

Key Features

Applications

Equivalent & Alternatives

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

Compared with MPXV4006G6U, MPXV5004GC6U offers higher sensitivity in a ported variant but requires mechanical redesign, while MP3V5050GV replaces analog output with I²C communication - trading external signal chain complexity for digital integration and tighter long-term stability.

Availability

MPXV4006G6U is available at Aetrix Electronics and suitable for respiratory flow monitoring, HVAC filter clog detection, and medical nebulizer control requiring stable component supply, long-lifecycle support, and traceable sourcing for Class II medical and industrial OEM programs.

Supply support for MPXV4006G6U 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

Freescale Semiconductor (now part of NXP Semiconductors) was a leading designer of embedded processors and analog/mixed-signal ICs, specializing in automotive, industrial, and consumer applications before its 2015 acquisition.

The MPXV4006G series belongs to Freescale's integrated pressure sensor product line, engineered specifically for microcontroller-based systems needing calibrated, temperature-compensated analog pressure outputs in compact surface-mount packages.

FAQ

What is the correct pin 1 identifier for MPXV4006G6U?

Pin 1 on the MPXV4006G6U is identified by a physical notch in the lead frame edge of the Case 482-01 small-outline package. Per datasheet Figure 1 and package drawings, pins 1, 5, 6, 7, and 8 are internal connections and must remain unconnected in the PCB layout. Pin 2 is VS, pin 3 is GND, and pin 4 is Vout - the only three externally usable terminals on the MPXV4006G6U.

Does MPXV4006G6U require external zeroing or calibration after soldering?

Yes - MPXV4006G6U requires auto-zeroing after mechanical mounting to meet its ±5.0% VFSS accuracy specification. External stresses and orientation affect the zero-pressure output; the host system must store the measured Vout at zero pressure and subtract that value from subsequent readings. This step is mandatory and explicitly called out in Note 5 of the Operating Characteristics table for the MPXV4006G6U.

Can MPXV4006G6U be used with media other than dry air?

No - the MPXV4006G6U is qualified only for dry air as the pressure medium. The datasheet explicitly warns that other media may adversely affect performance and long-term reliability due to chemical interaction with the fluorosilicone gel and silicon diaphragm. Media compatibility testing for non-dry-air applications must be requested directly from NXP (formerly Freescale) and is not covered under standard MPXV4006G6U specifications.

What is the maximum overpressure rating for MPXV4006G6U?

The MPXV4006G6U has a maximum pressure rating of 24 kPa (Pmax), specified in Table 1 as "Maximum Pressure (P1 > P2)". Exceeding this value risks permanent damage or parametric degradation. This 4× overpressure margin relative to its 6 kPa full-scale range provides robustness against transient spikes in applications like HVAC duct surges or medical device pressure pulses - but sustained operation above 6 kPa is outside its calibrated range.

Is MPXV4006G6U compatible with 3.3 V microcontrollers?

No - MPXV4006G6U requires a 4.75–5.25 V supply (VS) and is ratiometric to that voltage; it cannot operate reliably at 3.3 V. Its minimum supply is 4.75 V, and output swing (0.2–4.7 V) assumes 5.0 V ±0.25 V excitation. Interfacing with a 3.3 V MCU ADC requires either a level-shifting buffer or a separate 5 V rail - the MPXV4006G6U itself does not support 3.3 V logic or supply domains.