ATA6662C-TAQY Microchip

ATA6662C LIN Transceiver DATASHEET Features Operating range from 5V to 27V Baud rate up to 20Kbaud Improved slew rate control according to LIN specification 2.0, 2.1 and SAEJ2602-2 Fully compatible with 3.3V and 5V devices Dominant time-out function at transmit data (TXD) Normal and Sleep Mode Wake-up capability via LIN Bus (90s dominant) External wake-up via WAKE pin (35s low level) Control of external voltage regulator via INH pin Very low standby current during sleep mode (10A) Wake-up source recognition Bus pin short-circuit protected versus GND and battery LIN input current < 2A if V is disconnected BAT Overtemperature protection High EMC level Interference and damage protection according to ISO/CD 7637 Fulfills the OEM Hardware Requirements for LIN in Automotive Applications Rev.1.0 4916S-AUTO-09/141. Description The Atmel ATA6662C is a fully integrated LIN transceiver complying with the LIN specification 2.0, 2.1 and SAEJ2602-2. It interfaces the LIN protocol handler and the physical layer. The device 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. Sleep Mode guarantees minimal current consumption. The Atmel ATA6662C has advanced EMI and ESD performance. Figure 1-1. Block Diagram 7 VS RXD Receiver 1 - + 6 LIN Filter Wake up bus timer Short circuit and overtemperature TXD 4 protection TXD Slew rate control Time-Out timer V V S S Control unit 5 GND WAKE 3 Wake-up Standby mode timer 2 8 EN INH 2 ATA6662C DATASHEET 4916SAUTO09/14