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The Infineon SP37 family of highly integrated TPMS tire pressure monitoring sensors are suited for high volume TPMS applications. The TPMS ASIC integrates a low-power embedded Microcontroller, LF receiver ��nd Wireless FSK / ASK UHF Transmitter. With its highly integrated mixed signal peripherals, the SP 37 requires only few external components to complete TPMS module.
Main features:· Supply voltage range from 1.9 V up to 3.6 V· Operating temperature range -40 to +125 °C· Low supply current· Pressure sensor for 450 kPa or 900kPa range· Z-axis acceleration sensor for motion detection· Temperature sensor· THERMAL SHUTDOWN mode for device protection at high temperatures· Battery voltage sensor· Integrated RF Transmitter for ISM Band 315/434 MHz· Selectable output power 5 or 8 dBm ��transformed into 50 Ohm load��· Configurable RF transmission data rates up to 10 kbit/s Manchester coded ��20 kchips/s��· ASK/FSK modulation capability· Frequency deviation up to 50 kHz in FSK mode· Fully integrated VCO ��nd PLL Synthesizer· On chip crystal oscillator tuning· LF Receiver with very high input sensitivity· LF Receiver data rate 3.9 kbit/s· 8051 instruction set compatible microcontroller ��cycle-optimized��· 6 kByte FLASH memory ��for application code��· 12 kByte ROM ��for ROM library functions�� · 256 Bytes RAM· Wakeup from POWER DOWN state using the Interval Timer, the LF Receiver or an external wakeup sourceconnected via a GPIO pin· I2C programming/debugging interface· Hardware Manchester/BiPhase Encoder for RF Transmitter· Hardware Manchester Decoder for LF Receiver· 16Bit Hardware CRC generator· 8Bit Pseudo Random Number Generator· Watchdog timer· 3 bidirectional GPIO pins
The Infineon SP37 family of highly integrated TPMS tire pressure monitoring sensors are suited for high volume TPMS applications. The TPMS ASIC integrates a low-power embedded Microcontroller, LF receiver ��nd Wireless FSK / ASK UHF Transmitter. With its highly integrated mixed signal peripherals, the SP 37 requires only few external components to complete TPMS module.
The Infineon SP37 family of highly integrated TPMS tire pressure monitoring sensors are suited for high volume TPMS applications. The TPMS ASIC integrates a low-power embedded Microcontroller, LF receiver ��nd Wireless FSK / ASK UHF Transmitter. With its highly integrated mixed signal peripherals, the SP 37 requires only few external components to complete TPMS module.
The Infineon SP37 family of highly integrated TPMS tire pressure monitoring sensors are suited for high volume TPMS applications. The TPMS ASIC integrates a low-power embedded Microcontroller, LF receiver ��nd Wireless FSK / ASK UHF Transmitter. With its highly integrated mixed signal peripherals, the SP 37 requires only few external components to complete TPMS module.
The Infineon SP37 family of highly integrated TPMS tire pressure monitoring sensors are suited for high volume TPMS applications. The TPMS ASIC integrates a low-power embedded Microcontroller, LF receiver ��nd Wireless FSK / ASK UHF Transmitter. With its highly integrated mixed signal peripherals, the SP 37 requires only few external components to complete TPMS module