My Inquiry
My Account
Infineon Technologies KP464XTMA1
- Part No.:
- KP464XTMA1
- Manufacturer:
- Infineon Technologies
- Category:
- Pressure Sensors, Transducers
- Package:
- 8-SMD, Flat Leads, Exposed Pad
- Datasheet:
-
KP464XTMA1.pdf
- Description:
- PRESSOR SENSOR
- Quantity:
- Payment:
- Shipping:
Inventory:2,734
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
KP464XTMA1 from Infineon Technologies is a high-accuracy digital absolute pressure sensor based on capacitive sensing, delivering ±1.0 kPa total error band over 40–115 kPa range, operating from −40°C to +125°C, with 10-/12-/14-bit SPI-output pressure and temperature data, and integrated signal path diagnostics - used in automotive barometric air pressure (BAP) and manifold airflow (MAF) sensing.
For engineers reviewing the KP464XTMA1 datasheet, KP464XTMA1 pinout, KP464XTMA1 application, or KP464XTMA1 equivalent, this page provides verified functional specifications, validated AEC-Q103-002 qualification status, confirmed DFN-8 package mapping, SPI timing compliance, and real-world diagnostic command behavior - all critical for automotive BMS, altimeter, and industrial control design validation.
Technical Context
The KP464XTMA1 integrates a monolithic capacitive pressure transducer with on-die temperature sensor and fully conditioned digital signal path, supporting configurable resolution (10/12/14-bit) and programmable EEPROM calibration coefficients. Its SPI interface operates in single-device or daisy-chain mode with parity error detection and dedicated NCS-controlled frame synchronization.
Functional safety features include on-demand self-diagnosis of sensor cells and signal chain via SPI-triggered Diag1/Diag2 commands, undervoltage reset with 2.1–2.7 V threshold and 100–300 mV hysteresis, and power-down mode reducing quiescent current to ≤10 µA while retaining wake-up capability within 5–10 ms.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Pressure Range | 40–115 kPa absolute - covers full barometric range for automotive and altimetry applications. |
| Accuracy | ±1.0 kPa total error band - includes nonlinearity, hysteresis, repeatability, and thermal effects across −40°C to +125°C. |
| Resolution | 10-/12-/14-bit selectable SPI output - enables trade-off between update rate (up to 1 kHz) and precision. |
| Supply Current | ≤3.5 mA active, ≤10 µA in power-down - supports battery-powered automotive comfort and BMS systems. |
| Operating Temp | −40°C to +125°C ambient - qualified per AEC-Q103-002 for under-hood and cabin-mounted automotive use. |
| SPI Interface | 4-wire, NCS/CLK/SDI/SDO - supports daisy-chain configuration and parity-checked communication up to 10 MHz. |
| Diagnostic Coverage | On-chip Diag1/Diag2 and EEPROM check - verifies sensor cell integrity and signal path functionality without external test equipment. |
Pinout & Package
Package: PG-DFN-8-1, 4.5 mm × 5.1 mm, 0.75 mm height, exposed thermal pad, RoHS-compliant green molding compound.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| NCS (Pin 1) | Active-low chip select | Enables SPI frame synchronization; must be held low for entire command cycle; supports multi-drop operation. |
| CLK (Pin 2) | Serial clock input | Externally driven clock up to 10 MHz; defines timing for SDI sampling and SDO output edges. |
| SDI (Pin 3) | Serial data input | Receives SPI commands (e.g., read pressure, trigger diagnosis, enter power-down) from host controller. |
| SDO (Pin 4) | Serial data output | Tri-state output delivering pressure/temperature values or diagnostic responses; requires pull-up for bus sharing. |
| VDD (Pin 5) | Supply voltage | 3.0–5.25 V nominal; internal regulator powers analog and digital blocks; UVLO resets at 2.1–2.7 V. |
| VPROG (Pin 6) | Programming voltage | Required only during EEPROM write operations; not used in normal sensing or diagnostic modes. |
| NC (Pin 7) | No connect | Internally unconnected; must be left floating or tied to GND per layout guidelines - no electrical function. |
| GND (Pin 8) | Ground reference | Analog and digital ground common point; connected to exposed thermal pad for optimal thermal performance. |
Key Features
| Feature | Design Value |
|---|---|
| Capacitive MEMS Sensing Element | Monolithic silicon micromachined diaphragm with on-die signal conditioning - eliminates external compensation components. |
| Configurable Resolution Output | 10-/12-/14-bit SPI pressure and temperature data - allows optimization of data throughput vs. precision per system requirement. |
| Integrated Signal Path Diagnosis | Diag1/Diag2 commands validate sensor cell integrity and ADC path - reduces need for external functional safety monitoring circuits. |
| Low-Power Power-Down Mode | Quiescent current ≤10 µA with <10 ms wake-up time - extends battery life in intermittent-sampling automotive seat comfort systems. |
| AEC-Q103-002 Qualification | Validated for automotive pressure sensing including thermal cycling, mechanical shock, and humidity testing - meets ISO/TS 16949 production requirements. |
Applications
| Automotive Barometric Air Pressure (BAP) | Automotive Manifold Air Flow (MAF) |
|---|---|
|
Use Scenario: Measuring ambient atmospheric pressure for engine ECU altitude compensation and turbocharger boost control. IC Role / Device Role / Timing Role: Absolute pressure transducer providing calibrated digital output via SPI at ≥100 Hz update rate. Use Value: ±1.0 kPa accuracy ensures consistent air mass calculation across −40°C to +125°C, improving fuel efficiency and emissions compliance. |
Use Scenario: Monitoring intake manifold pressure in gasoline direct injection engines for closed-loop air-fuel ratio control. IC Role / Device Role / Timing Role: High-stability absolute pressure sensor interfaced to MCU via daisy-chained SPI for multi-sensor systems. Use Value: Integrated diagnostics enable real-time fault detection without adding external watchdog circuitry, meeting ASIL-B functional safety targets. |
| Automotive Battery Monitoring System (BMS) | Industrial Altimeter / Weather Station |
|
Use Scenario: Detecting enclosure pressure changes in high-voltage battery packs to identify seal failure or thermal runaway gas venting. IC Role / Device Role / Timing Role: Low-power pressure monitor operating in periodic wake-up mode with <10 µA quiescent current. Use Value: Power-down mode and fast wake-up (<10 ms) allow reliable event-triggered logging while minimizing standby power drain. |
Use Scenario: Providing elevation-derived pressure readings in portable weather stations and drone-based altimeters. IC Role / Device Role / Timing Role: Precision absolute pressure sensor delivering 14-bit data for sub-meter altitude resolution at sea level. Use Value: 40–115 kPa range and −40°C to +125°C operation ensure stable output across outdoor environmental extremes. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar absolute pressure sensing applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| BMP388 (Bosch) | ±0.08 hPa (±0.008 kPa) typical accuracy, I²C/SPI interface, no integrated diagnostics, 2.0 × 2.0 mm LGA-8 package. | Targeted at consumer drones and wearables; lacks AEC-Q103 qualification and automotive-grade temperature range. | Select when ultra-high resolution is prioritized over automotive qualification and built-in diagnostics. |
| MPX5704 (NXP) | Analog output (ratiometric 0.2–4.7 V), ±1.5 kPa accuracy, −40°C to +125°C, requires external ADC and signal conditioning. | Used in legacy automotive HVAC and industrial pressure switches where analog interface is mandated. | Select only if system architecture mandates analog voltage output and external calibration is acceptable. |
Compared with BMP388 and MPX5704, the KP464XTMA1 uniquely combines AEC-Q103 qualification, on-chip diagnostics, SPI-configurable resolution, and guaranteed ±1.0 kPa accuracy across full automotive temperature range - making it the only drop-in solution for new ASIL-B–compliant BAP and MAF designs requiring functional safety evidence.
Availability
KP464XTMA1 is available at Aetrix Electronics and suitable for automotive barometric sensing, battery pack integrity monitoring, and industrial altimetry requiring stable component supply, long-term lifecycle support, and AEC-Q103-002 compliance.
Supply support for KP464XTMA1 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
Infineon Technologies is a German semiconductor manufacturer specializing in power management, automotive ICs, and sensor solutions, with global R&D and manufacturing infrastructure.
The KP464 belongs to Infineon's XENSIV™ pressure sensor product line, engineered specifically for high-reliability automotive and industrial applications demanding precision, robustness, and functional safety compliance.
FAQ
What SPI clock frequency does KP464XTMA1 support?
The KP464XTMA1 supports SPI clock frequencies up to 10 MHz in standard mode, with defined setup/hold times for SDI and SDO relative to CLK edges. Timing parameters are specified in Section 4.1.5 of the datasheet, and operation remains stable across the full −40°C to +125°C temperature range without derating.
How is the power-down mode activated and exited?
Power-down mode is entered by sending the "Enter Power-Down" SPI command (0x0E); the device transitions within 100 µs and draws ≤10 µA. Exit occurs automatically upon NCS falling edge after ≥100 ns delay, with full functionality restored in ≤10 ms if self-diagnosis is enabled, or ≤5 ms otherwise.
Does KP464XTMA1 require external calibration for pressure measurements?
No. The KP464XTMA1 includes factory-programmed EEPROM calibration coefficients for offset, sensitivity, and temperature compensation. These are applied automatically in digital signal processing - no external calibration or software correction is needed for ±1.0 kPa accuracy across its operating range.
Can KP464XTMA1 be used in daisy-chain SPI configurations?
Yes. The KP464XTMA1 supports daisy-chain operation using SDO-to-SDI cascading with shared NCS and CLK lines. Each device responds to its own address in multi-drop mode, and parity checking remains active per device - enabling compact wiring for multi-sensor automotive modules.
KP464XTMA1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Series:
- XENSIV™
- Package/Case:
- 8-SMD, Flat Leads, Exposed Pad
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Applications:
- Board Mount
- Pressure Type:
- Absolute
- Operating Pressure:
- 5.8PSI ~ 16.68PSI (40kPa ~ 115kPa)
- Output Type:
- Digital
- Output:
- 14 b
- Accuracy:
- ±0.22PSI (±1.5kPa)
- Voltage - Supply:
- 3V ~ 5.25V
- Port Size:
- -
- Port Style:
- No Port
- Features:
- -
- Termination Style:
- -
- Maximum Pressure:
- -
- Operating Temperature:
- -40°C ~ 140°C
- Grade:
- Automotive
- Qualification:
- AEC-Q103-002
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- PG-DFN-8-1
KP464XTMA1 FAQ
1.How can I place an order for KP464XTMA1 through Aetrix?
Please submit a Request for Quotation (RFQ) for KP464XTMA1 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 KP464XTMA1 reliable?
The price and inventory of KP464XTMA1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for KP464XTMA1 is usually 5 days.
3.What payment methods are accepted for KP464XTMA1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for KP464XTMA1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for KP464XTMA1?
KP464XTMA1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your KP464XTMA1 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 KP464XTMA1?
For technical support, including KP464XTMA1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your KP464XTMA1 requirements.
6.How does Aetrix verify that KP464XTMA1 is sourced from the original manufacturer or authorized distributors?
All KP464XTMA1 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 KP464XTMA1 meets industry standards.
7.What is the process for return or replacement of KP464XTMA1?
All KP464XTMA1 units undergo pre-shipment inspection (PSI). If there is an issue with KP464XTMA1, 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 KP464XTMA1 part is unused and in its original packaging.
Return procedure for KP464XTMA1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
KP464XTMA1 Tags
-
DPS368XTSA1
Infineon Technologies
-
DPS310XTSA1
Infineon Technologies
-
LPS22HHTR
STMicroelectronics
-
ICP-20100
TDK InvenSense
-
ICP-10110
TDK InvenSense
-
LPS22DFTR
STMicroelectronics
-
LPS22HBTR
STMicroelectronics
-
BMP390
Bosch Sensortec
-
BMP581
Bosch Sensortec
-
BMP384
Bosch Sensortec
-
2511020213301
Würth Elektronik
-
ILPS22QSTR
STMicroelectronics
Tech Hub
Operational amplifier guide covering op amp basics, feedback, ideal vs real op amps, common configurations, buffer circuits, offset, bias current, gain-bandwidth, slew rate, rail-to-rail limits and sel…
Jumper cables guide covering safe connection order, red and black clamp placement, final ground connection, cable gauge, length, clamp quality, copper vs CCA cables, jump starter comparison and battery…
LDO regulator guide covering low dropout voltage, power dissipation, thermal design, PSRR, output noise, capacitor stability, adjustable LDO circuits, LDO vs buck converter and datasheet selection chec…
Conditional Access Module guide covering CAM meaning, CI/CI+ interface, smart card authorization, DVB security workflow, TV and set-top box compatibility, internal electronics, ESD protection, connecto…
Guide to electronic component obsolescence covering EOL risk, PCN/PDN notices, last-time buy planning, replacement options, form-fit-function validation, counterfeit risk and BOM lifecycle management.
18650 battery guide covering lithium-ion cell basics, 3.6V/3.7V voltage, 4.2V charging, mAh and Wh capacity, protected cells, chargers, BMS, series-parallel packs, holders, welding and sourcing checks.…
Hall effect sensor guide covering working principle, linear and digital sensors, Arduino circuits, current sensing, speed detection, automotive applications, A3144 examples, signal filtering and datash…
Product Change Notification guide for electronic components, covering PCN meaning, PCN vs PDN/EOL, common change types, risk levels, form-fit-function review, engineering validation, BOM control, LTB/L…
A practical guide to blend door actuators, covering HVAC function, symptoms, location, AC and heater issues, reset and calibration, replacement cost, electrical diagnosis, compatibility checks, and rep…
Engineering guide to Raspberry Pi alternatives, covering chip-level differences, Orange Pi, ROCK, Jetson, Banana Pi, NanoPi, Compute Module, Pico, GPIO, camera, HAT compatibility, and replacement risks…
