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    首页产品索引ATA663254

    ATA663254

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    ATA663254

     

    产品信息

    The Microchip ATA663254 system basis chip is a fully integrated LINtransceiver, designed according to the LIN specification 2.0, 2.1, 2.2, 2.2Aand SAEJ2602-2, with a low-drop voltage regulator with5V/85mA. The combination of voltage regulator and bus transceivermakes it possible to develop simple but powerful slave nodes in LIN bussystems. Microchip ATA663254 is designed to handle the low-speed datacommunication in vehicles (for example, in convenience electronics). Improvedslope control at the LIN driver ensures secure data communication up to20Kbaud. The bus output is designed to withstand high voltage. Sleep mode andsilent mode guarantee minimized current consumption even in the case of afloating or a shorted LIN bus. The voltage regulator is a fully integratedlow-drop regulator working down to a supply voltage of 2.3V with best-in-classcurrent consumption in linear mode (2V...VS...5V) with less than 170µA. Thisenables storing data within the MCU during system shutdown even in case of anunexpected power supply interruption. The device is available in SO8 and DFN8 packagewith wettable flanks and pin assignment according to OEM hardware requirementsfor LIN-, CAN-, and Flexray- interfaces, rev. 1.3.

      Supply voltage up to 40V

      Operating voltage VS = 5V to 28V

      Supply current

      Sleep mode: typically 9μA

      Silent mode: typically 47μA

      Very low current consumption at low supply voltages (2V < VS < 5.5V): typically 130μA

      Linear low-drop voltage regulator, 85mA current capability:

      MLC (multi-layer ceramic) capacitor with 0W ESR

      Normal, fail-safe, and silent mode: VCC = 5.0V ±2%

      Sleep mode: VCC is switched off

      VCC undervoltage detection with open drain reset output (NRES, 4ms reset time)

      Voltage regulator is short-circuit and over-temperature protected

      LIN physical layer according to LIN 2.0, 2.1, 2.2, 2.2A and SAEJ2602-2

      Wake-up capability via LIN bus (100μs dominant)

      Wake-up source recognition

      TXD time-out timer

      Bus pin is over-temperature and short-circuit protected versus GND and battery

      Advanced EMC and ESD performance

      Fulfills the OEM “Hardware Requirements for LIN in Automotive Applications Rev.1.3”

      Interference and damage protection according to ISO7637

      Qualified according to AEC-Q100

      Packages:

      DFN8with wettable flanks (Moisture Sensitivity Level 1)

      SO8

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