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NXP Semiconductors MPXM2051GST1
- Part No.:
- MPXM2051GST1
- Manufacturer:
- NXP Semiconductors
- Category:
- Pressure Sensors, Transducers
- Package:
- 5-SMD Module, Top Port
- Datasheet:
-
MPXM2051GST1.pdf
- Description:
- SENSOR 7.25PSIG 0.12" .04V 5MPAK
- Quantity:
- Payment:
- Shipping:
Inventory:3,487
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Product details
Overview
MPXM2051GST1 from NXP Semiconductors is a gauge-type silicon piezoresistive pressure sensor with monolithic strain gauge and thin-film resistor network, delivering ratiometric voltage output proportional to applied pressure (0–50 kPa), temperature-compensated over 0 °C to +85 °C, and packaged in MPAK (SOT1673-1) for medical diagnostics and robotics applications.
For engineers reviewing the MPXM2051GST1 datasheet, MPXM2051GST1 pinout, MPXM2051GST1 application, or MPXM2051GST1 equivalent, this page provides verified technical context, calibrated performance parameters, package-specific terminal roles, and validated alternative options for pressure-sensing signal chains requiring stable offset, linearity ≤ ±0.3 %VFSS, and <1 ms response time.
Technical Context
The MPXM2051GST1 integrates a single silicon diaphragm with on-chip piezoresistive elements and laser-trimmed thin-film resistors to achieve precise span and offset calibration. Its ratiometric output scales directly with supply voltage (10–16 Vdc), eliminating need for external reference stability.
On-die temperature compensation corrects both full-scale span (TCVFSS: ±1.0 %VFSS) and offset (TCVoff: ±1.0 mV) across –40 °C to +125 °C operating range, while silicone gel encapsulation isolates the die and enables dry clean air media compatibility in gauge-port configurations.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Pressure Range | 0–50 kPa gauge - supports non-invasive blood pressure measurement and pump control at clinically relevant pressures. |
| Full Scale Span | 38.5–41.5 mV at VS = 10 Vdc - defines usable analog output swing for 12-bit ADC interfacing without amplification. |
| Linearity Error | ±0.3 %VFSS (end-point method) - ensures minimal deviation from ideal transfer function across full scale. |
| Response Time | 1.0 ms (10%–90%) - enables real-time closed-loop feedback in motor control and robotic actuation. |
| Operating Temp | –40 °C to +125 °C - supports deployment in automotive engine bays and industrial enclosures without external thermal management. |
| Supply Voltage | 10–16 Vdc - compatible with standard industrial power rails and tolerant of ripple-induced excitation variation. |
| Offset Voltage | –1.0 to +1.0 mV at 0 kPa - enables high-resolution zero-pressure detection in level indicator systems. |
Pinout & Package
MPXM2051GST1 uses the MPAK package (Case 1320A, SOT1673-1), a 4-pin surface-mount ceramic carrier with integrated gauge port and silicone-gel-isolated die.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | GND | Reference ground return path for supply and output; must be low-impedance to minimize common-mode error. |
| 2 | +VOUT | Positive differential output terminal; delivers voltage proportional to P1–P2 pressure difference. |
| 3 | VS | Excitation supply input; ratiometric operation requires stable 10–16 Vdc with ≤6 mA draw. |
| 4 | –VOUT | Negative differential output terminal; completes Wheatstone bridge output pair for noise-rejecting instrumentation amp interface. |
Key Features
| Feature | Design Value |
|---|---|
| Ratiometric Output | Output voltage scales linearly with VS - eliminates need for precision voltage reference in supply-varying environments. |
| On-Chip Temperature Compensation | Laser-trimmed thin-film resistors correct TCVoff and TCVFSS - achieves ±0.5 %VFSS total error over 0–85 °C without external circuitry. |
| Gauge-Ported Configuration | Single pressure port (P1) referenced to ambient (P2) - simplifies mechanical integration in level sensing and vacuum-assisted medical devices. |
| Low Hysteresis | ±0.1 %VFSS pressure hysteresis - ensures repeatable readings during cyclic pressure monitoring in robotics joints. |
| Tape & Reel Packaging | Standard 13-inch reel format - supports automated SMT placement and reduces handling damage risk in high-volume production. |
Applications
| Level Indicators | Medical Diagnostics |
|---|---|
Use Scenario: Monitoring liquid height in sealed tanks via hydrostatic pressure measurement. IC Role / Device Role / Timing Role: Gauge pressure transducer converting column height into calibrated mV output. Use Value: Enables ±0.5 %FS accuracy without temperature drift correction firmware, reducing MCU processing load. |
Use Scenario: Non-invasive blood pressure cuff inflation/deflation sensing during oscillometric measurement. IC Role / Device Role / Timing Role: Primary pressure feedback element capturing systolic/diastolic transition points. Use Value: Delivers <1 ms response time and ±0.1 %VFSS hysteresis to resolve rapid pressure waveform features. |
| Robotics | Pump/Motor Control |
Use Scenario: Force feedback in pneumatic gripper end-effectors using chamber pressure as proxy for grip force. IC Role / Device Role / Timing Role: Closed-loop pressure regulator sensor providing real-time actuation feedback. Use Value: Full-scale span of 40 mV at 10 Vdc yields 4 mV/kPa sensitivity - sufficient for 12-bit ADC resolution at 0.1 kPa steps. |
Use Scenario: Overpressure protection and flow regulation in HVAC blower systems. IC Role / Device Role / Timing Role: Safety-critical pressure switch replacement with analog output for predictive maintenance. Use Value: Withstands 200 kPa overpressure limit and operates reliably from –40 °C to +125 °C in uncontrolled environments. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar gauge pressure sensing applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MPXV5004GP | Wider 0–4 kPa range, 5 V supply, integrated signal conditioning - lower full-scale output (0.2–4.8 V) but no external amplifier needed. | Better suited for low-pressure ventilation systems; not rated for >50 kPa or >125 °C operation. | Select MPXV5004GP when system supply is 5 V and board space prohibits discrete op-amp signal conditioning. |
| MP3V5010DP | Differential configuration (dual ports), same 50 kPa range, 3.3 V supply, built-in ADC interface - outputs digital I²C data instead of analog voltage. | Requires microcontroller with I²C and no analog front-end; lacks gauge port for ambient-referenced use cases. | Choose MP3V5010DP only if digital output, lower supply voltage, and differential pressure measurement are mandatory design requirements. |
Compared with MPXM2051GST1, MPXV5004GP trades pressure range and analog simplicity for integrated signal conditioning at 5 V, while MP3V5010DP replaces analog output and gauge porting with digital I²C interface and differential sensing - neither offers direct pin-to-pin or functional drop-in replacement capability.
Availability
MPXM2051GST1 is available at Aetrix Electronics and suitable for medical diagnostics, robotics, and pump/motor control applications requiring stable component supply, long-term lifecycle continuity, and traceable sourcing from authorized NXP channels.
Supply support for MPXM2051GST1 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
NXP Semiconductors is a global semiconductor company headquartered in Eindhoven, Netherlands, specializing in secure connectivity solutions for automotive, industrial, and IoT markets.
The MPXM2051GST1 belongs to NXP's legacy MPX series of silicon piezoresistive pressure sensors, designed specifically for high-accuracy, temperature-stable analog pressure measurement in safety-critical and portable medical equipment.
FAQ
What is the absolute maximum overpressure rating for MPXM2051GST1?
The MPXM2051GST1 has an absolute maximum overpressure rating of 200 kPa, as specified in Table 3 of the NXP product data sheet Rev. 5.1. Exceeding this value may cause permanent mechanical or electrical degradation. This rating applies under P1 > P2 conditions and is independent of operating temperature, making MPXM2051GST1 suitable for transient surge protection in pump control circuits where pressure spikes occur.
Does MPXM2051GST1 require external temperature compensation circuitry?
No, MPXM2051GST1 does not require external temperature compensation circuitry. It incorporates on-chip laser-trimmed thin-film resistors that compensate both full-scale span (TCVFSS: ±1.0 %VFSS) and offset (TCVoff: ±1.0 mV) over 0 °C to +85 °C. This internal compensation is factory-calibrated and verified per NXP's MPXM2051G Rev. 5.1 datasheet, enabling direct connection to ADCs without software or hardware correction in most medical and industrial applications.
What is the warm-up time specification for MPXM2051GST1?
The MPXM2051GST1 has a maximum warm-up time of 20 ms, defined as the time required for the output voltage to stabilize within specification after power-on and pressure stabilization. This value is documented in Table 4 of the NXP MPXM2051G Rev. 5.1 datasheet under "Warm up time". The short warm-up time supports high-speed sampling in robotics and real-time pressure switching applications where latency must remain below 50 ms.
Can MPXM2051GST1 be used with a 5 V supply voltage?
No, MPXM2051GST1 is not rated for 5 V operation. Its specified supply voltage range is 10–16 Vdc, as confirmed in Table 4 of the NXP MPXM2051G Rev. 5.1 datasheet. Operating below 10 Vdc risks insufficient excitation for the Wheatstone bridge, resulting in reduced output span, increased noise susceptibility, and potential noncompliance with linearity and offset specifications. Use MPXM2051GST1 only with supplies meeting its 10 Vdc minimum requirement.
What media is compatible with MPXM2051GST1 according to NXP documentation?
According to Section 9.5 and Figure 5 of the NXP MPXM2051G Rev. 5.1 datasheet, MPXM2051GST1 is qualified for use with dry clean air as the pressure medium. Silicone gel encapsulation isolates the die, but NXP explicitly states that media other than dry clean air may adversely affect long-term reliability and performance. For non-air media, users must contact NXP directly - no alternate media compatibility is documented for MPXM2051GST1 in the official product data sheet.
MPXM2051GST1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Series:
- MPXM2051G
- Package/Case:
- 5-SMD Module, Top Port
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Applications:
- Board Mount
- Pressure Type:
- Vented Gauge
- Operating Pressure:
- 7.25PSI (50kPa)
- Output Type:
- Wheatstone Bridge
- Output:
- 0 mV ~ 40 mV (10V)
- Accuracy:
- ±0.3%
- Voltage - Supply:
- 10V ~ 16V
- Port Size:
- Male - 0.12" (2.97mm) Tube
- Port Style:
- Barbless
- Features:
- Temperature Compensated
- Termination Style:
- Gull Wing
- Maximum Pressure:
- 29.01PSI (200kPa)
- Operating Temperature:
- -40°C ~ 125°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 5-MPAK
MPXM2051GST1 FAQ
1.How can I place an order for MPXM2051GST1 through Aetrix?
Please submit a Request for Quotation (RFQ) for MPXM2051GST1 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 MPXM2051GST1 reliable?
The price and inventory of MPXM2051GST1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MPXM2051GST1 is usually 5 days.
3.What payment methods are accepted for MPXM2051GST1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MPXM2051GST1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MPXM2051GST1?
MPXM2051GST1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MPXM2051GST1 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 MPXM2051GST1?
For technical support, including MPXM2051GST1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MPXM2051GST1 requirements.
6.How does Aetrix verify that MPXM2051GST1 is sourced from the original manufacturer or authorized distributors?
All MPXM2051GST1 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 MPXM2051GST1 meets industry standards.
7.What is the process for return or replacement of MPXM2051GST1?
All MPXM2051GST1 units undergo pre-shipment inspection (PSI). If there is an issue with MPXM2051GST1, 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 MPXM2051GST1 part is unused and in its original packaging.
Return procedure for MPXM2051GST1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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