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NXP Semiconductors MPXAZ4100AC6U
- Part No.:
- MPXAZ4100AC6U
- Manufacturer:
- NXP Semiconductors
- Category:
- Pressure Sensors, Transducers
- Package:
- 8-SMD, Gull Wing, Top Port
- Datasheet:
-
MPXAZ4100AC6U.pdf
- Description:
- SENSOR 15.23PSIA 0.13" 4.9V
- Quantity:
- Payment:
- Shipping:
Inventory:3,264
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Product details
Overview
MPXAZ4100AC6U from Freescale Semiconductor is a monolithic, signal-conditioned, temperature-compensated and calibrated silicon pressure sensor designed for manifold absolute pressure (MAP) sensing in automotive engine control systems. It delivers a ratiometric analog output (0.3–4.9 V) over a 20–105 kPa range, with ±1.8% full-scale accuracy from 0°C to 85°C, and operates at 5.1 V supply with 7 mA typical current draw.
For engineers reviewing the MPXAZ4100AC6U datasheet, MPXAZ4100AC6U pinout, MPXAZ4100AC6U application, or MPXAZ4100AC6U equivalent, key selection considerations include its axial-port small-outline package (Case 482A-01), NCV-rated –40°C to +125°C operating range, integrated thin-film temperature compensation, and compatibility with microcontroller A/D interfaces via recommended decoupling circuitry.
Technical Context
The MPXAZ4100AC6U integrates a piezoresistive sensing element with on-chip bipolar signal conditioning, including two-stage gain amplification and ground-reference shift circuitry. Its transfer function is VOUT = VS × (0.01059 × P − 0.1518), where P is absolute pressure in kPa and VS is supply voltage (4.85–5.35 V).
It features a sealed vacuum reference cavity, fluoro-silicone gel die coat for media resistance, and thermoplastic (PPS) surface-mount packaging. The device exhibits 1.0 ms typical response time, ±0.5% VFSS offset stability after 1000-hour pulsed pressure/temperature cycling, and 54 mV/kPa sensitivity across its rated pressure span.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Pressure Range | 20–105 kPa (2.9–15.2 psi); supports full MAP sensing from idle vacuum to wide-open throttle in gasoline engines. |
| Output Voltage | 0.3–4.9 V (ratiometric to VS); enables direct interface with 5 V ADCs without scaling circuitry. |
| Accuracy | ±1.8% VFSS over 0–85°C; includes linearity, hysteresis, TcSpan, and TcOffset contributions per Freescale error budget. |
| Supply Voltage | 4.85–5.35 V DC; maintains ratiometric operation and specified accuracy within this excitation window. |
| Response Time | 1.0 ms (10%–90%); sufficient for real-time fuel calculation in modern engine control units (ECUs). |
| Operating Temp | –40°C to +125°C ambient; qualified for under-hood automotive environments with full functionality. |
| Package | Small Outline Package, Case 482A-01; axial port configuration allows direct mounting to intake manifold with gasket-sealed pressure inlet. |
Pinout & Package
MPXAZ4100AC6U uses a thermoplastic (PPS) surface-mount small outline package (Case 482A-01), 10.79 mm × 10.79 mm × 3.17 mm, with axial pressure port and 8-pin lead frame. Pins 1, 5, 6, 7, and 8 are internal no-connects; only pins 2 (VS), 3 (GND), and 4 (VOUT) are externally usable.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Pin 1 | No Connect (NC) | Internal device connection; marked by notch; must remain unconnected to avoid malfunction. |
| Pin 2 | Supply Voltage (VS) | 5.1 V DC input; requires 1.0 µF + 0.01 µF decoupling per Figure 3 to meet electrical specs. |
| Pin 3 | Ground (GND) | Analog ground reference for signal chain; must be low-impedance and separate from digital ground. |
| Pin 4 | Output Voltage (VOUT) | Ratiometric analog output (0.3–4.9 V); connects directly to MCU ADC input with optional 470 pF filtering. |
| Pins 5–8 | No Connect (NC) | Internally bonded; floating or connected to PCB ground causes calibration drift or damage. |
Key Features
| Feature | Design Value |
|---|---|
| On-chip temperature compensation | Thin-film metallization and bipolar processing deliver ±1.8% VFSS accuracy over 0–85°C without external calibration. |
| Media-resistant construction | Fluoro-silicone gel die coat + PPS package withstands high humidity and common automotive fluids (e.g., oil vapor, coolant mist). |
| Axial-port mechanical interface | Case 482A-01 package enables direct gasket-mounted installation into intake manifolds with minimal plumbing. |
| Microcontroller-ready output | 0.3–4.9 V ratiometric analog output eliminates need for external voltage references or level-shifting in 5 V systems. |
| Fast warm-up & response | 20 ms warm-up time and 1.0 ms pressure response support closed-loop fuel control at engine startup and transient conditions. |
Applications
| Engine Control Unit (ECU) Fuel Mapping | Boost Pressure Monitoring |
|---|---|
Use Scenario: Real-time measurement of intake manifold absolute pressure during cold start, idle, acceleration, and deceleration cycles. IC Role / Device Role / Timing Role: Primary MAP sensor providing pressure input to ECU for calculating air mass flow and stoichiometric fuel injection timing. Use Value: Enables precise fuel delivery across 20–105 kPa range with ±1.8% VFSS accuracy, reducing emissions and improving fuel economy. | Use Scenario: Monitoring absolute pressure in turbocharged or supercharged intake systems to prevent over-boost and protect engine components. IC Role / Device Role / Timing Role: Absolute pressure transducer feeding closed-loop boost control logic in performance and diesel applications. Use Value: Axial-port package allows direct manifold tap; 1 ms response ensures timely intervention before pressure exceeds safe limits. |
| Idle Air Control Feedback | EVAP System Leak Detection |
Use Scenario: Detecting minute pressure changes during closed-throttle idle conditions to adjust bypass air valve position. IC Role / Device Role / Timing Role: High-stability pressure sensor supplying feedback for adaptive idle speed regulation. Use Value: ±0.5% VFSS offset stability after 1000-hour stress testing ensures consistent idle behavior over vehicle lifetime. | Use Scenario: Measuring pressure decay in evaporative emission control (EVAP) canister and lines during diagnostic purge cycles. IC Role / Device Role / Timing Role: Low-drift absolute pressure sensor used to verify system integrity against regulatory leak thresholds (e.g., 0.02 in H₂O). Use Value: Sealed vacuum reference and gel-coated die enable reliable sub-kPa resolution detection in humid underhood environments. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar absolute pressure sensing applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MPXV7002DP | Differential output (0.2–4.7 V), dual-port, 0–2 psi range; lower full-scale pressure and differential architecture. | Designed for differential pressure (e.g., airflow across MAF sensor), not absolute manifold sensing. | Select MPXV7002DP only when measuring pressure drop-not absolute vacuum-across a restriction. |
| SPX3010 | 0–100 kPa range, 0.5–4.5 V output, ±1.5% accuracy, same Case 482A package but different calibration curve and thermal coefficients. | Validated for industrial HVAC and medical devices; lacks automotive qualification documentation and media resistance data. | Choose SPX3010 for non-automotive 100 kPa applications where AEC-Q200 compliance is not required. |
Compared with MPXAZ4100AC6U, MPXV7002DP serves fundamentally different measurement topology (differential vs. absolute), while SPX3010 offers similar pressure range but lacks automotive-grade media resistance, temperature hysteresis validation, and engine-control-specific calibration-making MPXAZ4100AC6U the only qualified choice for OEM manifold sensing.
Availability
MPXAZ4100AC6U is available at Aetrix Electronics and suitable for automotive engine control, turbocharger boost monitoring, and EVAP system diagnostics requiring stable component supply, long-term lifecycle support, and traceable sourcing for production programs.
Supply support for MPXAZ4100AC6U 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) is a global leader in automotive and industrial microcontrollers, sensors, and analog ICs, with deep expertise in embedded system-on-chip solutions.
The MPXAZ4100AC6U belongs to Freescale's MAP sensor product line, engineered specifically for high-reliability, cost-effective absolute pressure measurement in engine management systems under harsh under-hood conditions.
FAQ
What is the pressure port configuration of the MPXAZ4100AC6U?
The MPXAZ4100AC6U features an axial pressure port in Case 482A-01 packaging, allowing direct gasket-based mounting to intake manifolds. Unlike the basic MPXAZ4100A6U (Case 482-01), the "C" suffix denotes the axial-port variant, enabling simplified mechanical integration without external tubing or fittings. This configuration is explicitly validated for manifold absolute pressure sensing per Freescale's application notes.
Does the MPXAZ4100AC6U require external calibration or trimming?
No, the MPXAZ4100AC6U is factory-calibrated and fully temperature-compensated. Its on-chip signal conditioning-including thin-film temperature compensation and two-stage gain circuitry-delivers ±1.8% VFSS accuracy over 0–85°C without user calibration. The device outputs a ready-to-use 0.3–4.9 V ratiometric signal referenced to VS, eliminating need for external DACs, op-amps, or trim resistors in standard implementations.
Can the MPXAZ4100AC6U operate reliably in high-humidity under-hood environments?
Yes, the MPXAZ4100AC6U is specifically designed for such conditions. Its die is protected by a fluoro-silicone gel die coat, and the entire assembly is housed in a durable thermoplastic (PPS) package. Freescale confirms resistance to high humidity and common automotive media-including oil vapor and coolant mist-enabling stable operation throughout vehicle life without drift or corrosion-related failure.
What is the recommended power supply decoupling for the MPXAZ4100AC6U?
Freescale specifies a decoupling network consisting of a 1.0 µF bulk capacitor, a 0.01 µF ceramic capacitor, and a 470 pF filter capacitor on the VOUT line, as shown in Figure 3 of the datasheet. This configuration suppresses noise and ensures the MPXAZ4100AC6U meets its stated accuracy, response time, and warm-up specifications. Failure to implement this network may result in output instability or degraded linearity.
Is the MPXAZ4100AC6U compliant with automotive reliability standards?
The MPXAZ4100AC6U is engineered for automotive use with –40°C to +125°C operating temperature range, 1000-hour pulsed pressure/temperature cycling validation (±0.5% VFSS offset stability), and media resistance per Freescale's internal qualification. While the original datasheet predates formal AEC-Q200 publication, its test methodology aligns with that standard's requirements for pressure sensors, and it has been widely deployed in Tier-1 ECU designs since 2005.
MPXAZ4100AC6U Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Series:
- MPXAZ4100A
- Package/Case:
- 8-SMD, Gull Wing, Top Port
- Packaging:
- Tube
- Product Status:
- Obsolete
- Applications:
- Board Mount
- Pressure Type:
- Absolute
- Operating Pressure:
- 2.9PSI ~ 15.23PSI (20kPa ~ 105kPa)
- Output Type:
- Analog Voltage
- Output:
- 0.3 V ~ 4.9 V
- Accuracy:
- ±1.8%
- Voltage - Supply:
- 4.85V ~ 5.35V
- Port Size:
- Male - 0.13" (3.17mm) Tube
- Port Style:
- Barbless
- Features:
- Temperature Compensated
- Termination Style:
- Gull Wing
- Maximum Pressure:
- 58.02PSI (400kPa)
- Operating Temperature:
- -40°C ~ 125°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- -
MPXAZ4100AC6U FAQ
1.How can I place an order for MPXAZ4100AC6U through Aetrix?
Please submit a Request for Quotation (RFQ) for MPXAZ4100AC6U 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 MPXAZ4100AC6U reliable?
The price and inventory of MPXAZ4100AC6U are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MPXAZ4100AC6U is usually 5 days.
3.What payment methods are accepted for MPXAZ4100AC6U?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MPXAZ4100AC6U transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MPXAZ4100AC6U?
MPXAZ4100AC6U orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MPXAZ4100AC6U 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 MPXAZ4100AC6U?
For technical support, including MPXAZ4100AC6U datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MPXAZ4100AC6U requirements.
6.How does Aetrix verify that MPXAZ4100AC6U is sourced from the original manufacturer or authorized distributors?
All MPXAZ4100AC6U 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 MPXAZ4100AC6U meets industry standards.
7.What is the process for return or replacement of MPXAZ4100AC6U?
All MPXAZ4100AC6U units undergo pre-shipment inspection (PSI). If there is an issue with MPXAZ4100AC6U, 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 MPXAZ4100AC6U part is unused and in its original packaging.
Return procedure for MPXAZ4100AC6U:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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