New members added to RS-485 chip
Half-duplex low-speed products, 3.3V and 5V power supply, support 0-115Kbps, 500Kbps transmission rates
The first full-duplex product, 5V power supply, transmission rate up to 16Mbps
RS-485 is a common serial communication standard, widely used in industrial control systems, automation equipment, instrumentation
and other fields of data communication.
1、RS-485 chip specification sheet
2、New product features
UN3082E half-duplex product, 5V power supply, support 0-115Kbps low-rate transmission, integrated ESD static protection, failure protection,
overtemperature protection, low power shutdown and hot swap functions.
UN3072E half duplex, 3.3V power supply, support 0-115Kbps low rate transmission, integrated ESD static protection, failure protection,
overtemperature protection, with low power shutdown and hot swap functions.
UN3075E half-duplex product, 3.3V power supply, 500Kbps transmission rate, integrated ESD static protection, failure protection,
overtemperature protection, with low power shutdown and hot swap functions.
UN3086E full dual product, 5V power supply, transmission rate up to 16Mbps, integrated ESD electrostatic protection, failure protection,
overtemperature protection, low power shutdown and hot swap functions.
UN490E full-duplex product, 5V power supply, transmission rate up to 16Mbps, integrated ESD electrostatic protection,
overtemperature protection, hot swap function.
UN491E full-duplex product, 5V power supply, transmission rate up to 16Mbps, integrated ESD electrostatic protection,
overtemperature protection, low-power shutdown and hot swap functions.
3、Application
Industrial control: In industrial automation systems, RS-485 interface chips are widely used in data acquisition,
equipment monitoring and remote control and other fields.
Power communication: In the power system, it is used for the communication network construction of substations,
power plants and other places to achieve remote monitoring and data transmission.
Smart home: In the smart home system, as a communication bridge between smart devices, to achieve the
interconnection between devices.
Communication industry: provides high-speed and stable data transmission solutions in communication base
stations, data transmission equipment and other scenarios.
Automotive electronics: often used in vehicle control systems, battery management systems, vehicle diagnostic systems, etc.
4、Summary
RS-485 serial chip currently has half duplex and full duplex products, transmission rate from low speed 115Kbps to high
speed 16Mbps, support 3.3V and 5V power supply, and have up to ±16kV ESD protection ability and excellent resistance to
common mode interference ability, chip in no-load or full load state, very low power consumption.
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