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NXP Semiconductors MPXH6250A6T1
- Part No.:
- MPXH6250A6T1
- Manufacturer:
- NXP Semiconductors
- Category:
- Pressure Sensors, Transducers
- Package:
- 8-SOIC (0.295", 7.50mm Width)
- Datasheet:
-
MPXH6250A6T1.pdf
- Description:
- SENSOR 36.26PSIA 4.9V 8SSOP
- Quantity:
- Payment:
- Shipping:
Inventory:3,597
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Product details
Overview
MPXH6250A6T1 from NXP Semiconductors (formerly Freescale) is an absolute pressure sensor IC with monolithic silicon piezoresistive sensing element, on-chip bipolar op-amp signal conditioning, and thin-film temperature compensation. It delivers 4.896 V typical full-scale output at 5.1 V supply across 20–250 kPa range, ±1.5% accuracy over 0 °C to 85 °C, and operates from -40 °C to +125 °C - used in LPG/CNG fuel systems for precise manifold absolute pressure (MAP) measurement.
For engineers reviewing the MPXH6250A6T1 datasheet, MPXH6250A6T1 pinout, MPXH6250A6T1 application, or MPXH6250A6T1 equivalent, key selection criteria include ratiometric 5.1 V operation, 20.4 mV/kPa sensitivity, 1 ms response time, sealed vacuum reference architecture, and SSOP-8 surface-mount compatibility with media-resistant fluorosilicone gel encapsulation.
Technical Context
The MPXH6250A6T1 implements a monolithic, signal-conditioned absolute pressure transducer using micromachined silicon diaphragm and integrated thin-film resistor networks. Its architecture includes on-die temperature compensation circuitry that corrects offset and span drift across -40 °C to +125 °C, and a gain stage with ground-reference shift enabling stable analog output proportional to absolute pressure.
It operates ratiometrically with 4.74–5.46 V supply, draws 6.0 mA typical supply current, and outputs a voltage linearly related to pressure via VOUT = VS × (0.004 × P − 0.040), where P is absolute pressure in kPa and VS is supply voltage. The device uses a sealed vacuum reference cavity and fluorosilicone gel isolation for environmental protection while preserving pressure transmission.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Pressure Range | 20–250 kPa absolute - supports MAP sensing in gasoline and autogas engines up to ~2.5 bar absolute. |
| Supply Voltage | 4.74–5.46 VDC - ratiometric operation ensures output scaling matches ADC reference if powered from same rail. |
| Full-Scale Output | 4.826–4.966 V at 5.1 V supply - provides high SNR for 12-bit+ microcontroller ADCs without external amplification. |
| Accuracy | ±1.5% of full-scale span over 0–85 °C - enables direct use in closed-loop fuel injection control without calibration per unit. |
| Response Time | 1.0 ms (10%–90%) - captures rapid intake manifold pressure transients during throttle snap events. |
| Operating Temp | -40 °C to +125 °C - qualified for under-hood automotive environments including turbocharged engine bays. |
| Sensitivity | 20.4 mV/kPa - yields ~5 V output swing across full range, simplifying analog front-end design. |
Pinout & Package
MPXH6250A6T1 uses Case 98ARH99066A: an 8-pin super small outline package (SSOP), surface-mount, thermoplastic (PPS) body with chamfered corner marking Pin 1. Dimensions match JEDEC MS-012AC standard; footprint requires 0.69 mm pitch, 3.81 mm width, and 9.83 mm length.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | DNC | Do not connect - internal test or unused bond pad; floating or grounded connection risks performance degradation. |
| 2 | VS | Positive supply input - must be decoupled with 1 µF ceramic capacitor close to pin per datasheet recommendation. |
| 3 | GND | Analog ground reference - requires low-impedance return path to minimize noise coupling into VOUT. |
| 4 | VOUT | Analog output voltage - ratiometric to VS; drives ADC directly or through RC filter (47 pF + 51 kΩ recommended). |
| 5–8 | DNC | Do not connect - internal device connections; no external routing permitted per datasheet specification. |
Key Features
| Feature | Design Value |
|---|---|
| On-chip temperature compensation | Compensates offset and span drift across -40 °C to +125 °C, eliminating need for external calibration circuitry. |
| Fluorosilicone gel isolation | Protects die and wire bonds from moisture, hydrocarbons, and LPG/CNG vapors while transmitting pressure accurately. |
| Ratiometric output | VOUT scales linearly with VS, enabling shared 5.1 V supply with microcontroller ADC reference for improved system accuracy. |
| Sealed vacuum reference | Provides true absolute pressure measurement independent of ambient barometric variation - essential for altitude-compensated engine control. |
| High reliability SSOP-8 package | Thermoplastic PPS housing withstands thermal cycling and mechanical shock in automotive under-hood applications. |
Applications
| Fuel-Injected Gasoline Engines | Liquefied Petroleum Gas (LPG) Vehicles |
|---|---|
Use Scenario: Real-time manifold absolute pressure monitoring during transient throttle conditions in port fuel injection systems. IC Role / Device Role / Timing Role: Absolute pressure sensor providing primary load signal to ECU for air-fuel ratio calculation and spark timing adjustment. Use Value: ±1.5% VFSS accuracy and 1 ms response enable precise torque-based engine control without post-production calibration. | Use Scenario: Pressure feedback in bi-fuel autogas vehicles switching between gasoline and LPG modes. IC Role / Device Role / Timing Role: Absolute pressure transducer mounted on LPG vaporizer output line to regulate gas flow and prevent lean misfire. Use Value: Fluorosilicone gel encapsulation resists LPG permeation and swelling, ensuring long-term stability in hydrocarbon-rich environments. |
| Compressed Natural Gas (CNG) Engine Management | Industrial Process Pressure Monitoring |
Use Scenario: Intake manifold pressure sensing in CNG-powered commercial vehicles operating across wide ambient temperatures. IC Role / Device Role / Timing Role: Ratiometric analog sensor interfacing directly with 12-bit automotive-grade MCU ADC for closed-loop fuel metering. Use Value: -40 °C to +125 °C operating range and on-chip compensation maintain accuracy without external temperature sensors or lookup tables. | Use Scenario: Low-range absolute pressure monitoring in pneumatic control systems and HVAC refrigerant circuits. IC Role / Device Role / Timing Role: Signal-conditioned pressure transducer replacing uncalibrated bridge sensors requiring external op-amps and compensation networks. Use Value: Integrated gain stage and 4.896 V full-scale output eliminate external amplification, reducing BOM count and layout area. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar absolute pressure sensing applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MPXH6115A6T1 | 15–115 kPa range, 2.5 V full-scale output, same SSOP-8 package and pinout. | Lower pressure range suits naturally aspirated engines and non-boosted industrial systems. | Select when system max pressure is ≤115 kPa and lower output voltage aligns with existing ADC reference. |
| MPXV7025DP | Differential output, 25–250 kPa range, 0.25–4.75 V ratiometric output, SOIC-8 package. | Requires differential input ADC; designed for bidirectional flow or differential pressure applications like turbocharger boost control. | Choose only for differential pressure measurement; not a drop-in replacement due to different pinout and output topology. |
Compared with MPXH6115A6T1 and MPXV7025DP, the MPXH6250A6T1 offers the widest absolute range (20–250 kPa) and highest full-scale output (4.896 V), making it optimal for boosted gasoline and autogas engines where dynamic range and SNR are critical.
Availability
MPXH6250A6T1 is available at Aetrix Electronics and suitable for fuel-injected car engines, autogas vehicle powertrains, and industrial controls requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for MPXH6250A6T1 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 formed from the spin-off of Philips' semiconductor division, specializing in secure connectivity solutions for automotive, industrial, and IoT markets.
The MPXH6250A6T1 belongs to NXP's MAP (Manifold Absolute Pressure) sensor product line, engineered specifically for high-reliability, temperature-stable absolute pressure measurement in automotive fuel systems and alternative-fuel engine management.
FAQ
What is the pressure reference type used by the MPXH6250A6T1?
The MPXH6250A6T1 uses a sealed vacuum reference cavity, delivering true absolute pressure measurement referenced to zero pressure. This eliminates dependence on ambient barometric pressure and enables accurate engine load calculation regardless of altitude or weather conditions - a critical requirement for modern MAP-based engine control units using the MPXH6250A6T1.
Does the MPXH6250A6T1 require external calibration for automotive applications?
No, the MPXH6250A6T1 features factory-calibrated on-chip temperature compensation and trimming, achieving ±1.5% full-scale span accuracy over 0 °C to 85 °C without external calibration. Its ratiometric output and integrated signal conditioning allow direct interface with microcontroller ADCs in fuel-injected engines using the MPXH6250A6T1, reducing system-level calibration effort.
Can the MPXH6250A6T1 be used with LPG or CNG fuel systems?
Yes, the MPXH6250A6T1 is explicitly qualified for autogas applications, with fluorosilicone gel encapsulation protecting the die from LPG and CNG vapors. Its package porting options support tube attachment for remote sensing, and its -40 °C to +125 °C operating range ensures reliable operation in bi-fuel vehicle engine bays where the MPXH6250A6T1 is deployed.
What is the recommended power supply decoupling for the MPXH6250A6T1?
The MPXH6250A6T1 requires a 1 µF ceramic capacitor placed as close as possible between VS (Pin 2) and GND (Pin 3). Additional filtering on VOUT (Pin 4) using a 51 kΩ resistor and 47 pF capacitor is recommended to suppress high-frequency noise before ADC sampling - per the official application circuit shown in the MPXH6250A6T1 datasheet.
Is the MPXH6250A6T1 pin-compatible with other devices in the MPXx6250A family?
Yes, all MPXx6250A variants including MPXH6250A6T1, MPXH6250A6U, and MPXHZ6250A6T1 share identical Case 98ARH99066A SSOP-8 packaging and pinout (VS/GND/VOUT/DNC configuration), enabling PCB reuse across pressure range and media-resistance variants - a key design advantage when qualifying multiple fuel types using the MPXH6250A6T1 platform.
MPXH6250A6T1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Series:
- MPXH6250A
- Package/Case:
- 8-SOIC (0.295", 7.50mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Applications:
- Board Mount
- Pressure Type:
- Absolute
- Operating Pressure:
- 2.9PSI ~ 36.26PSI (20kPa ~ 250kPa)
- Output Type:
- Analog Voltage
- Output:
- 0.3 V ~ 4.9 V
- Accuracy:
- ±1.5%
- Voltage - Supply:
- 4.74V ~ 5.46V
- Port Size:
- -
- Port Style:
- No Port
- Features:
- Temperature Compensated
- Termination Style:
- Gull Wing
- Maximum Pressure:
- 145.04PSI (1000kPa)
- Operating Temperature:
- -40°C ~ 125°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-SSOP
MPXH6250A6T1 FAQ
1.How can I place an order for MPXH6250A6T1 through Aetrix?
Please submit a Request for Quotation (RFQ) for MPXH6250A6T1 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 MPXH6250A6T1 reliable?
The price and inventory of MPXH6250A6T1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MPXH6250A6T1 is usually 5 days.
3.What payment methods are accepted for MPXH6250A6T1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MPXH6250A6T1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MPXH6250A6T1?
MPXH6250A6T1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MPXH6250A6T1 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 MPXH6250A6T1?
For technical support, including MPXH6250A6T1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MPXH6250A6T1 requirements.
6.How does Aetrix verify that MPXH6250A6T1 is sourced from the original manufacturer or authorized distributors?
All MPXH6250A6T1 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 MPXH6250A6T1 meets industry standards.
7.What is the process for return or replacement of MPXH6250A6T1?
All MPXH6250A6T1 units undergo pre-shipment inspection (PSI). If there is an issue with MPXH6250A6T1, 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 MPXH6250A6T1 part is unused and in its original packaging.
Return procedure for MPXH6250A6T1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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