Toshiba CorporaTIon (TOKYO: 6502) recently announced that it has launched optocouplers that support low- to medium-speed transmission speeds for isolated communication interfaces suitable for factory automation equipment, household appliances including air conditioners, and smart meters .
It is suitable for isolated communication interfaces of factory automation equipment (such as programmable logic controllers (PLC) and inverters) and household appliances and equipment (such as air conditioners and smart meters) in the speed range of several kbps to tens of mbps Communication depends on the amount of information. However, there has been a lack of suitable optocouplers in the market that support 9.6 kbps and 19.2 kbps low-speed communication (represented by RS-232 communication) and 115.2 kbps medium-speed communication (represented by RS-232C communication). Until today, developers have had to choose a general-purpose transistor coupler that cannot always provide sufficient performance, or an expensive 1Mbps IC coupler with sufficient performance.
Today, Toshiba has met these market demands by developing "TLP2301" at 20 kbps and "TLP2303" at 100 kbps. Both products have a high current transfer ratio (IC / IF) and can switch at low input current. In particular, "TLP2303" can achieve a high current transfer ratio of up to 800% (minimum) at an input current of 1.6 mA.
By adding cost-effective products to areas not covered by its current product line, Toshiba will continuously strive to reduce the power consumption and cost of a large number of products that use optocouplers.
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