CAN Transceiver
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TCAN4420
SLLSF19 – DECEMBER 2017...
Description
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TCAN4420
SLLSF19 – DECEMBER 2017
TCAN4420 CAN Transceiver with Polarity Control
1 Features
1 Meets the Requirements of the ISO 11898-2 (2016) Physical Layer Standard
External Polarity Control Through SW (switch) Pin – Can be Used to Switch Polarity to Normal (Default) or Reverse Configuration of CAN Bus
Dual Power Supplies – 5-V VCC Pin for CAN Driver and Receiver – 2.8-V to 5-V VIO Pin for Powering RXD, TXD and SW pins
Wide Operating Ranges – ±46-V Bus Fault Protection – ±12-V Common Mode – –40°C to 125°C Ambient Temperature
Protection Feature – HBM ESD Protection up to ±12 kV – Under Voltage Protection on VCC and VIO Supplies – TXD Dominant Time Out (TXD DTO) – Supports Data Rates Down to 9.2 kbps – Thermal Shutdown Protection (TSD)
Optimized Behavior when Unpowered – Bus and Logic Terminals are High Impedance (No Load to Operating Bus or Application) – Power Up and Down Glitch Free Operation
Fast Loop Times: 150 ns
2 Applications
Building Automation – Building Security Gateway – HVAC Gateway and System Controller – Elevator Main Panel
3 Description
The TCAN4420 is a high-speed Controller Area Network (CAN) transceiver that meets the specifications of the ISO 11898-2 (2016) physical layer standard requirements. The device also allows the CAN bus polarity to be controlled externally by a microcontroller through the SW pin. The TCAN4420 includes many protection features p...
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