Document
ATA6629/ATA6631
LIN Bus Transceiver with Integrated Voltage Regulator DATASHEET
Features
● Supply voltage up to 40V ● Operating voltage VS = 5V to 27V ● Typically 10µA supply current during sleep mode ● Typically 35µA supply current in silent mode ● Linear low-drop voltage regulator, 85mA current capability:
● Normal, fail-safe, and silent mode ● Atmel ATA6629: VCC = 3.3V ±2% ● Atmel ATA6631: VCC = 5.0V ±2% ● Sleep mode: VCC is switched off ● VCC undervoltage detection with reset open drain output NRES (4ms reset time) ● Voltage regulator is short-circuit and over-temperature protected ● LIN physical layer according to LIN 2.0, 2.1 and SAEJ2602-2 ● Wake-up capability via LIN bus (90µs dominant) ● TXD time-out timer ● Bus pin is overtemperature and short-circuit protected versus GND and battery ● Advanced EMC and ESD performance ● Fulfills the OEM “hardware requirements for LIN in automotive applications rev.1.1” ● Interference and damage pro.