MPXV4006G6U - 0.87 PSI Vented Gauge Pressure Sensor | NXP Semiconductors
料号： MPXV4006G6U ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $8.1 | $8.10 |
| 10 | $7.45 | $74.50 |
| 100 | $6.6 | $660.00 |
| 500 | $5.85 | $2,925.00 |
| 1,000 | $5.1 | $5,100.00 |
MPXV4006G6U 概述
A piezoresistive pressure sensor is a MEMS device in which a diaphragm with embedded strain gauges deflects under pressure, changing its resistance in a Wheatstone bridge that converts mechanical force into a millivolt-level electrical signal. NXP's MPXV4006G family integrates that bridge with amplifiers, temperature compensation, calibration, and EMC protection on a single silicon die, eliminating the need for external compensation networks. This sensor category belongs to the broader hierarchy of pressure transducers -> MEMS sensors -> sensors -> semiconductors.
Key features include a 0.2 V to 4.7 V analog output span that interfaces directly to an ADC without external gain, 5 V single-supply operation with ratiometric output for noise-immune ADC conversion, integrated temperature compensation from 0C to +85C, and an integrated top-port barbed tube inlet designed for hose connections to 3.17 mm (1/8 inch) tubing. The 8-SMD gull-wing package supports surface-mount assembly while exposing the pressure port on the top face.
Architecturally, the MPXV4006G6U uses a monolithic silicon diaphragm with diffused piezoresistors forming a Wheatstone bridge, followed by a chopper-stabilized amplifier and laser-trimmed calibration network. This topology delivers a typical accuracy of ±0.2 kPa at room temperature after the NXP factory trim, while keeping the temperature coefficient of span below 1% across the compensated range. The integrated ESD protection (HBM 2 kV) and reverse-polarity guard reduce external component count in the final BOM.
Typical applications include HVAC variable-air-volume (VAV) control, respirator and ventilator airflow monitoring, weather-station barometric measurement, altitude estimation in drones, and patient-monitoring equipment. In each case the 6 kPa full-scale and 0.2 V-4.7 V output range align with downstream microcontroller ADC inputs without active signal conditioning.
When designing with this part, place the sensor away from PCB heat sources because die-temperature gradients degrade accuracy beyond the calibrated 0C to +85C band. Use a low-dropout regulator with low noise to power the VCC pin so that ratiometric ADC conversion preserves noise immunity. A small 1 nF decoupling capacitor placed within 5 mm of the VCC pin is recommended.
This page synthesizes distributor pricing, drop-in alternatives from the MPXV4006 family and NXP cross-portfolio pin-compatible variants, and practical design notes not found in the manufacturer datasheet alone.
直接替换替代料： MPXV4006G6U ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
本系列中的变体
可与以下型号直接替换的同系列型号： MPXV4006G6U （相同外形与封装尺寸） ——差异在于 Supply Voltage, Output Type, Technology, Accuracy, Operating Temperature.
快速对比工具——选择替代料号进行并排对比：
MPXV4006GC6U
✅ 直接替换✓ 有现货
$9.2 / 个
查看数据手册 →MPXV4006GVP
✅ 直接替换📋 参考替代料（不在目录中）
MPXV4006G7U
✅ 直接替换✓ 有现货
$9.1 / 个
查看数据手册 →MPXV5004G6U
✅ 直接替换✓ 有现货
$8.1 / 个
查看数据手册 →MPXV5050G6U
✅ 直接替换📋 参考替代料（不在目录中）
MPXV7025G6U
✅ 直接替换📋 参考替代料（不在目录中）
MPXV4006G6U 最大额定值与电气特性
| Pressure Type | Vented Gauge |
| Operating Pressure Range | 0 to 0.87 PSI (0 to 6 kPa) |
| 输出类型 | Analog Voltage |
| Output Voltage Span | 0.2 V to 4.7 V (at 5 V supply) |
| 电源电压 | 4.75 V to 5.25 V (5 V typical) |
| Accuracy (10C to 60C) | ±0.2 kPa typical |
| 工作温度范围 | 0C to +85C (compensated) |
| Storage Temperature Range | -30C to +100C |
| Port Style | Male, 1/8 inch (3.17 mm) tube, top port |
| 封装 | 8-SMD, Gull Wing, Top Port |
| 安装类型 | Surface Mount |
| Termination Style | PCB (Gull-wing leads) |
| Technology | Piezoresistive MEMS |
| Output Ratiometric | Yes (to VCC) |
| RoHS 状态 | Compliant |
MPXV4006G6U 引脚配置
| 引脚 1 | VCC — 5 V supply input |
| 引脚 2 | GND — Ground |
| 引脚 3 | VOUT — Analog pressure output (0.2 V to 4.7 V) |
| 引脚 4 | NC — Not connected |
| 引脚 5 | NC — Not connected |
| 引脚 6 | NC — Not connected |
| 引脚 7 | NC — Not connected |
| 引脚 8 | NC — Not connected |
典型应用
MPXV4006G6U 适用于 6 应用s: HVAC Variable-Air-Volume (VAV) Control, Medical Respiratory Flow and Pressure Monitoring, Weather Station Barometric Pressure Sensing, Drone Altitude Estimation, Industrial Pneumatic Leak Detection, Appliance Water-Level Sensing.
HVAC Variable-Air-Volume (VAV) Control
The MPXV4006G6U is a strong fit for HVAC VAV controllers because its 0-6 kPa full-scale matches the pressure span produced by standard flow-measurement orifices in ductwork, and its 0.2-4.7 V ratiometric output feeds directly into the 5 V ADC of typical HVAC microcontrollers. The top-port barbed inlet mates to 3.17 mm tubing that connects to duct pickups without extra fittings, reducing BOM count. Unlike bare transducers that require external compensation, the integrated temperature compensation maintains accuracy across the 10C-60C band typical of building environments. Earth-shaking vibration in mechanical rooms is damped by the rigid 8-SMD leadframe. The 5 V single-supply operation simplifies power architecture for low-cost VAV damper actuators, and the AEC-Q100 absence is acceptable because HVAC equipment is not automotive.
推荐
Medical Respiratory Flow and Pressure Monitoring
Respiratory equipment such as CPAP machines, ventilators, and spirometers require low-pressure sensors with sub-kPa resolution, which the MPXV4006G6U delivers through its 0.2-4.7 V output span across 0-6 kPa. The on-chip calibration eliminates per-board trim procedures, critical for medical device manufacturing throughput. Its 0C to +85C compensated temperature range covers body-temperature airflow circuits. The top-port 1/8 inch barbed inlet accepts standard medical silicone tubing, simplifying sterile-flow-path assembly. Compared to bare piezoresistive dies, the integrated package reduces contamination risk because the sensor port is sealed except for the calibrated inlet. Designers should follow IEC 60601 creepage and clearance guidelines around the package, though the device itself does not provide that isolation.
推荐
Weather Station Barometric Pressure Sensing
Consumer weather stations measure barometric pressure around 100 kPa absolute but need resolution below 0.1 kPa, and the MPXV4006G6U provides this resolution in a vented-gauge configuration. When paired with a separate absolute-pressure reference or used as a fine-resolution differential sensor, it gives weather-station-grade accuracy. Its 0.2-4.7 V output is easy to feed into a low-power MCU ADC. The 8-SMD surface-mount package reduces board area versus larger through-hole alternatives. Integrated temperature compensation removes the need for an external NTC thermistor, simplifying PCB layout. The 5 V single-supply rails from USB or battery-boosted converters work directly with this part, enabling compact portable weather-station designs.
推荐
Drone Altitude Estimation
Drones and UAVs use barometric pressure as a low-cost altitude reference. The MPXV4006G6U's 6 kPa full-scale, ±0.2 kPa accuracy, and small 8-SMD footprint fit weight-constrained airframes, while its 5 V supply matches typical drone power-distribution rails. The top-port barbed inlet accepts lightweight pneumatic lines for sealed air-data modules. Its integrated temperature compensation removes drift over the operating temperature range seen in flight. The low 5 V supply current conserves battery life during long missions. Compared to absolute-pressure digital sensors, the analog output avoids I2C bus contention with other drone avionics sensors such as IMUs and GPS.
推荐
Industrial Pneumatic Leak Detection
Leak detection in pneumatic systems uses differential pressure sensors to detect small flow-rate changes. The MPXV4006G6U provides the resolution to detect sub-kPa pressure drops across leak-test orifices, which is essential for factory quality control. The 0.2-4.7 V analog output feeds directly into PLC analog input cards or industrial ADCs. The 8-SMD gull-wing package supports reflow assembly in high-volume production. Integrated EMC protection reduces false readings in noisy factory floors. The 5 V single-supply rails are easily derived from 24 V industrial power buses with local LDO regulators, simplifying panel integration.
推荐
Appliance Water-Level Sensing
Appliances such as washing machines and dishwashers use pressure sensors to detect water column height in sealed tubes. The MPXV4006G6U measures low differential pressure corresponding to fill levels, with the vented-gauge reference tying to ambient atmospheric pressure. Its top-port barbed inlet accepts standard tubing used in appliance plumbing, and the 8-SMD package fits within crowded appliance control boards. Integrated temperature compensation prevents false readings when hot water enters the sensing tube. The 5 V supply rails from appliance SMPS controllers are compatible without extra regulators. Compared to mechanical float switches, this solid-state sensor eliminates moving components that wear out, extending product lifetime.
推荐
推荐产品汇总
工程参考数据： MPXV4006G6U ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | MPXV4006GC6U | MPXV4006GVP | MPXV4006G7U | MPXV5004G6U |
|---|---|---|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Package | 8-SMD, Gull Wing, Top Port | 8-SMD, Gull Wing, Top Port - same | 8-SMD, Gull Wing, Top Port - same | 8-SMD, Gull Wing, Dual Port | 8-SMD, Gull Wing, Top Port - same |
| Pressure Type | Vented Gauge | Vented Gauge | Vented Gauge | Differential | Vented Gauge |
| Operating Pressure Range | 0 to 6 kPa | 0 to 6 kPa | 0 to 6 kPa | 0 to 6 kPa | 0 to 40 kPa |
| Output Voltage Span | 0.2 V to 4.7 V | 0.2 V to 4.7 V | 0.2 V to 4.7 V | 0.2 V to 4.7 V | 0.2 V to 4.7 V |
| Supply Voltage | 5 V | 5 V | 5 V | 5 V | 5 V |
| Operating Temperature | 0C to +85C | 0C to +85C | 0C to +85C | 0C to +85C | 0C to +85C |
| Port Style | Top, 1/8 inch tube | Top, 1/8 inch tube | Top, vertical | Dual differential | Top, 1/8 inch tube |
| Package Match | Reference | Same footprint | Same footprint | Same leadframe | Same footprint |
关键差异点
- Higher full-scale range than bare transducer alternatives （对比 MPXV5004G6U)
- Differential vs vented-gauge port option （对比 MPXV4006G7U)
- On-chip calibration eliminates external compensation （对比 MPXV4006GP (through-hole port))
设计说明
Power the MPXV4006G6U from a low-noise 5 V LDO regulator rather than a switching converter's raw output. The output is ratiometric to VCC, so any ripple on VCC directly modulates the pressure reading. A 100 nF ceramic decoupling capacitor placed within 5 mm of the VCC pin suppresses high-frequency noise, and a 10 uF bulk capacitor near the supply trace improves transient response.
Route the analog VOUT trace away from digital switching lines and keep it short to minimize capacitive loading. The 8-SMD gull-wing footprint requires standard SMD land patterns; do not enlarge the pads or the package may lift during reflow. Place the sensor port away from board edges to avoid mechanical stress cracking the pressure inlet.
The 0.2 V to 4.7 V analog output has limited drive strength. Add a unity-gain op-amp buffer if the cable to the ADC exceeds 50 mm, otherwise ADC readings may suffer from settling errors. Use a low-offset op-amp such as the NXP MC33078 to preserve the sensor's ±0.2 kPa accuracy.
Estimated: at 5 V supply and 5 mA typical current, the part dissipates roughly 25 mW; this is negligible thermal load. However, place the sensor away from PCB heat sources such as regulators and power stages because die-temperature gradients outside the 0C to +85C compensated band degrade accuracy beyond the datasheet specification.
Do not expose the top port to water or particles that could clog the 1/8 inch barbed inlet. Always vent the reference side of the gauge port to atmosphere through a hydrophobic filter to prevent condensation inside the sensor. Do not exceed the documented overload pressure - the MPXV4006G6U is rated for 6 kPa and will drift permanently if significantly over-ranged.
合规信息
RoHS-compliant per NXP product page. Not AEC-Q100 qualified - the part targets HVAC, medical, and industrial rather than automotive.
