SP40T overview
SP40T is a component documented by Infineon Technologies A. The PDF description identifies it as "Tire Pressure Monitoring Sensor Quality Requirement Category: Automotive Revision 1.1 2020-05-14." This guide condenses the most useful engineering information from the available PDF so that designers and sourcing teams can identify the checks that still need confirmation in the original document.
Datasheet snapshot
- Manufacturer: Infineon Technologies A...
- Part number: SP40T
- Category: IC
- Datasheet length: 71 Pages
Key features noted in the PDF
- Patented Glass-Silicon-Glass MEMS pressure sensor with best-in-class media compatibility
- Calibrated pressure sensor for ab solute air pressure measurement
- Z-axis accelerometer for motion detection and angular measurement
- Temperature and supply voltage sensors
- Industry-standard 8051 microcontr oller with 14K of Flash memory
- System Controller with flexible wa ke-up and power management features
- RF Transmitter with fractional-N sigma-delta PLL
Applications listed in the PDF
- Valve based TPMS-Modules
- A f t e r m a r k e t
- R e t r o f i t
- In Tire TPMS Modules
Specifications and operating details
The following points were extracted from the PDF text. Check the associated conditions, notes and limits in the complete document before using a value in a design.
- The RF Transmitter block covers both 315 and 434 MHz UHF bands and supports FS K and ASK modulation.
- The transmitter contains a fractional-N sigma-delta PLL sy nthesizer which allows for precise control of carrier frequency and accurate FSK frequency modulation.
- Supply Voltage VDDmax -0.3 +3.8 V 1.1 ESD robustness HBM VESD_HBM -2000 2000 V All pins according to EIA/JESD22-A114-B 1.2 -4000 4000 V PAOUT pin according to EIA/JESD22-A114-B 1.3 ESD robustness CDM VESD_CDM -500 500 V All pins (According.
- Note: VDDREG and XOUT must not be shorted to VDD 1.11 DC current IDC -10 10 mA all pins 1.13 Over pressure pmax 2000 kPa static load 1.14 Burst pressure pburst 2000 kPa 10 times 1 sec 1.15 Static acceleration astatic 3000 g Device unpowere.
- Mechanical shock ashock 6000 g 0.3 ms half sine pulses.
- 1.17 Storage temperature Tstorage -50 +150 °C Maximal 1000 hours accumulated over lifetime between 125°C and 150°C.
- Temperature cycling only allowed between -40°C and 125°C.
Topics covered by the datasheet
The document includes sections related to:
- Features
- Applications
- Description
- Package Information
- Revision History
Engineering review checklist
- Confirm supply rails, clock limits, memory size, peripheral mapping and I/O voltage compatibility.
- Check package pinout, boot configuration, programming interface and silicon-revision errata.
- Budget decoupling, thermal margin, startup timing and firmware recovery behavior before release.
Always confirm values against the latest manufacturer-controlled datasheet, especially when qualifying a substitute or releasing a production BOM.
View the complete PDF and model record
Open the SP40T datasheet and model details to review the complete PDF, document pages and available product information.
Source attribution
Adapted from the PDF associated with this DigiCamel model page.
Source model URL: https://www.digicamel.com/product.php?slug=sp40t-infineon-technologies-a