SIT1027QTK

SIT1027Q is a local interconnect network (LIN) physical layer transceiver that complies with LIN 2.0, LIN 2.1, LIN 2.2, LIN 2.2A, ISO 17987-4:2016 (12V) and SAE J2602 standards. It is mainly suitable for in-vehicle networks with a transmission rate of 1kbps to 20kbps. SIT1027Q controls the state of the LIN bus through the TXD pin, and can convert the data stream sent by the protocol controller into a bus signal with the best slew rate and waveform shaping to minimize electromagnetic radiation emission (EME). The LIN bus output pin has an internal pull-up resistor. Only when used as a master node, the LIN bus port needs to be pulled up to V_{BAT} through an external resistor in series with a diode. SIT1027Q receives the data stream on the bus through the LIN pin, and transmits the data to the external microcontroller through the receiver’s output pin RXD. SIT1027Q can operate in the range of 5.5V~27V and supports 12V applications. SIT1027Q has an extremely low quiescent current consumption in sleep mode and standby mode. It can quickly minimize power consumption in the event of a failure. The device can be placed in normal mode via a signal on the pin SLP_N.

Key features

• LIN 2.x/ISO 17987-4:2016 (12V)/SAE J2602 compliant
• AEC-Q100 qualified
• Compatible with K line
• Integrated over-temperature protection function (thermal shutdown)
• Integrated 30kΩ bus pull-up slave resistor
• Bus current limiting protection function
• Battery power failure detection function
• Very low power consumption sleep mode and standby mode
• Support remote wake-up
• Baudrate up to 20 kBd
• Low ElectroMagnetic Emissions (EME)
• Available in SOP8 and DFN3*3–8 packages