ATA663254-GBQW

The ATA6632xx device family includes two basic products; a LIN system basis chip (SBC) and a low-drop voltage regulator with compatible footprints. The ATA663254 (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/5V/85mA). The combination of voltage regulator and bus transceiver makes it possible to develop simple but powerful slave nodes in LIN bus systems. ATA663254 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.

• 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 0O ESR
  • Normal, fail-safe, and silent mode
  • Sleep mode: VCC is switched off
  • Active mode
  • ATA663254: VCC = 5.0V ±2%
• VCC under voltage 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
• Adva