UTC has a complete product line of analog components. Its analog ICs cover various voltage regulators, PWM control ICs, amplifiers, comparators, logic ICs, voltage translators, interface driver ICs, transistor arrays, reset ICs, and Hall effect switches. The discrete devices cover high and low voltage MOSFETs, SJMOS, diodes, BJTs, FRDs, TRIACs, SCRs, IGBTs, etc.

UTC products are widely used in industrial control and commercial fields such as power management equipment, photovoltaic inverters, energy storage, PLCs, variable frequency servo systems, charging piles, machine tools, and commercial machines; as well as in numerous fields of consumer electronics products such as home appliances, televisions, lighting, communication equipment, security systems, smart homes, computers, and new energy vehicle electronics products. With their excellent performance and high quality, UTC products are highly recognized by brand customers and partners around the world.

UTCRS232/422/485 Series Interface Chips and the Corresponding Internal Block Diagrams

Models and Parameters

2.1 Interface Product Models (RS232)

D: Transmission; Dout = ±5V R: Reception; Rout = Vcc Operating Voltage Range: VCC = +3.0V~+5.5V

2.2 Interface Product Models (RS422/RS485)

Operating Voltage Range: VCC = +5.0V ±5%

Applications

RS-232/422/485 driver and receiver chips can be applied in:

(1) Products such as MB/IPC/POS/medical devices/monitoring devices, etc.;

(2) Smart meters for water, electricity, and gas.

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