The Microchip's ATA663354 is a new generation of system basis chips with a fully integrated LIN transceiver, designed in compliance with LIN specifications 2.0, 2.1, 2.2, 2.2A and SAEJ2602-2, a low-drop voltage regulator (5V/85mA), two low-side drivers, and one high-side driver. This combination makes it possible to develop simple, but powerful, slave nodes in LIN bus systems. Microchip ATA663354 is designed to handle low-speed data communication in vehicles (such as 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 short-circuited LIN bus.

The voltage regulator is a fully integrated low-drop voltage regulator, with 5V 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 VVS= 5V to 28V
• Sleep Mode: Typically 10µA
• Silent Mode: Typically 47µA
• Very Low Current Consumption at Low Supply Voltages (2V < VVS < 5.5V): Typically 130µA
• MLC (Multi-Layer Ceramic) Capacitor with 0? ESR
• ATA663354: VVCC=5.0V±2%
• Sleep Mode: VCC Is Switched Off
• VCC Undervoltage Detection with Open Drain
• Reset Output (NRES, 4 ms Reset Time)
• Voltage Regulator Is Short Circuit and
• Overtemperature Protected
• LIN Physical Layer According to LIN 2.0,2.1, 2.2, 2.2A and SAEJ2602-2
• Bus Pin Is Overtemperature and Short Circuit Protected versus GND and Battery
• Two Low Side Protected Switches and One High Side Protected Switch
• Wake-Up Capability via LIN Bus (100µs Dominant) and WKin Pin
• Wake-Up Source Recognition
• TXD Time-Out Timer
• Advanced EMC and ESD Performance
• Fulfills the “OEM Hardware Requirements for LIN in Automotive Applications”, Version.1.3
• Interference and Damage Protection According to ISO7637
• AEC-Q006 and AEC-Q100 qualified
• Available in 16-Pin, 3 mm x 5.5 mm VDFN Package with Wettable Flanks (Moisture Sensitivity Level 1)