TEXAS INSTRUMENTS TPIC1021D 芯片, LIN总线接口, SMD, 8SOIC
The is a Local Interconnect Network Physical Interface integrates the serial transceiver with wake up and protection features. The LIN bus is a single wire, bi-directional bus typically used for low-speed in-vehicle networks using baud rates between 2.4 and 20kbps. The LIN bus has two logical values: the dominant state voltage near ground represents a logic 0 and the recessive state voltage near battery and represents logic 1. In the recessive state the LIN bus is pulled high by the TPIC1021"s internal pull-up resistor 30kR and series diode, so no external pullup components are required for slave applications. Master applications require an external pullup resistor 1R plus a series diode. The LIN protocol output data stream on the TXD pin is converted by the TPIC1021 into the LIN bus signal through a current limited, wave-shaping low-side driver with control as outlined by the LIN Physical Layer Specification Revision 2.0.
Device has limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam during storage or handling to prevent electrostatic damage to the MOS gates.
型号 | 品牌 | 下载 |
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