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    首页产品索引ATA663232

    ATA663232

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    ATA663232

     

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    The Microchip ATA663232 system basis chip is a fully integrated LIN transceiver, designed according to the LIN specification 2.0, 2.1, 2.2, 2.2A and SAEJ2602-2, with a low-drop voltage regulator (3.3V/85mA) and a high voltage wake-input. The combination of voltage regulator and bus transceiver makes it possible to develop simple but powerful slave nodes in LIN bus systems. Microchip ATA663232 is designed to handle the low-speed data communication in vehicles (for example, in convenience electronics). Improved slope control at the LIN driver ensures secure data communication up to 20Kbaud. The bus output is designed to withstand high voltage. Sleep mode and silent mode guarantee minimized current consumption even in the case of a floating or a short-circuited LIN bus.

    The voltage regulator is a fully integrated low-drop voltage regulator, with 3.3V output voltage and 85mA current capability. It is especially designed for the automotive environment. A key feature is that the current consumption is always below 170µA (without load), even if the supply voltage is below the regulator's nominal output voltage.

      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 = 3.3V ±2%

      Sleep mode: VCC is switched off

      VCC undervoltage detection with internal reset (NRES_int)

      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) and WKin pin (100μs low level)

      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

      Package: DFN8 with wettable flanks (Moisture Sensitivity Level 1)

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