product brief the sp37 is a highly integrated device which performs all necessary functions for a tire pressure monitoring system (tpms) wheel module suited for high-volume applications. the device contains the sensing elements, the microcontroller, the lf receiver, the rf transmitter and more in one package requiring only few external components to complete a tpms module. since 2003, more than 150 million tpms sensors of our continuously improved product generations were sold worldwide. the sensor design of the sp37 is based upon infneons patented bulk micro- machined sensing technology which allows highly reliable measurements in harsh environments. the sp37 measures pressure, radial acceleration, temperature and supply voltage. the device is compliant to the rohs standard, with a pressure range from 100 up to 1300kpa. numerous embedded frmware functions and a development kit enable fast development cycles. ? ? pressure sensor with a range from 100 up to 1300kpa ? ? radial acceleration sensor ? ? temperature sensor ? ? supply voltage sensor ? ? embedded 8051 compatible 8-bit microcontroller ? ? 6kb on-chip flash memory ? ? 256byte ram ? ? 315 and 434mhz fsk/ask rf-transmitter ? ? selectable output power 5 or 8dbm ? ? 125khz ask high-sensitivity lf-receiver ? ? advanced power control/ wake-up system to minimize battery consumption ? ? ultra low standby current (< 0.7a) ? ? supply voltage range 1.93.6v ? ? operating temperature range -40125c ? ? pg-dsosp-14-6 package ? ? rohs compliant, green package www.infneon.com/sensors features sp37 1300kpa tire pressure sensor sp37 tpm s module tx dat a 315/434mhz rx dat a 125khz 8-bit c pressure sensor power supply management rf tr ansmitter a cce leration sensor t emperatur e sensor vo ltag e sensor flas h sensor c alibration data & applic ation firmware lf receiver adc rom firmware librar y 3v lithium ce ll
product brief published by infineon technologies ag 85579 neubiberg, germany ? 2012 infineon technologies ag. all rights reserved. visit us: www.infineon.com order number: b142-h0000-x-x-7600 date: 06 / 2012 attention ple a se! the information given in this document shall in no event be regarded as a guarantee of conditions or characteristics (beschafenheitsgarantie). with respect to any examples or hints given herein, any typical values stated herein and/ or any information regarding the application of the device, infneon technologies hereby disclaims any and all warran- ties and liabilities of any kind, including without limita- tion warranties of non-infringement of intellectual property rights of any third party. informa tion for further information on technology, delivery terms and conditions and prices please contact your nearest infneon technologies ofce (www.infneon.com). w arnings due to technical requirements components may contain dangerous substances. for information on the types in question please contact your nearest infneon technologies ofce. infneon technologies components may only be used in life-support devices or systems with the express written approval of infneon technologies, if a failure of such components can reasonably be expected to cause the failure of that life-support device or system, or to afect the safety or efectiveness of that device or system. life support devices or systems are intended to be implanted in the human body, or to support and/or maintain and sustain and/or protect human life. if they fail, it is reason- able to assume that the health of the user or other persons may be endangered. parameter symbol values unit note/test condition min. typ. max. input pressure range p in 100 C 500 kpa t = -40...125c measurement error p error -35 C 35 kpa t = -40...0c p error -23 C 23 kpa t = 0...80c p error -50 C 50 kpa t = 80...125c input pressure range p in 500 C 1050 kpa t = -40...125c measurement error p error -30 C 30 kpa t = -40...0c p error -23 23 kpa t = 0...40c p error -30 30 kpa t = 40...80c p error -40 C 40 kpa t = 80...125c input pressure range p in 1050 C 1300 kpa t = -40...125c measurement error p error -35 C 35 kpa t = -40...0c p error -25 25 kpa t = 0...40c p error -30 30 kpa t = 40...80c p error -50 C 50 kpa t = 80...125c input acceleration range a in -115 C 115 g t = -40...125c sensitivity error a sensitivity -18.75 C +18.75 % t = -40...90c a sensitivity -24 C +24 % t = 90...125c ofset error a ofset -6 C +6 g t = -20...70c a ofset -8.5 C +8.5 g t = -40...-20c t = 70...90c a ofset -12 C +12 g t = 90...125c temperature measurement error t error -3 C +3 c t = -20...70c t error -5 C +5 c t = -40...-20c t = 70...125c voltage measurement error v error -100 C +100 mv C tions are available on request. p roduct s ummary sales name description order code SP370-23-156-0 tire pressure sensor sp000878364 sp37 1300kpa tire pressure sensor
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