lithium- polymeric batteries MCP7381X

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POSTER: computer news   ||   LITHIUM- POLYMERIC BATTERIES MCP7381X	DATE:2007-03-27
Lithiumionic and lithium- polymeric batteries, in spite of incidents with fires, remain the most popular sources of power in portable electronic devices. The company microchip technology presented two microcircuits controllers for the appropriate chargers - MCP73811 and MCP73812 (MCP7381X). Articles are calculated for batteries, which contain one cell and are  final, completely integrated solutions, which realize all control functions of charge. Producer provided the possibility of selection and programming of current charge. The maximum value of current is 500 mA. Controllers support joining with bus USB (in other words, they can charge storage batteries by the current, which enters from port USB), they are equipped with current-sensing devices, with passage transistors and protection from the connection in the incorrect polarity. The high degree of integration, which reduces a quantity of external components, in the opinion of producer, will allow to decrease the overall sizes of terminal devices and  simplify their design. As examples of application MCP7381X are named the devices of everyday electronics, in particular, toy and MP3 players . New product are released in 5 pin case of type SOT-23. Wholesale price of MCP73811 is 0,57 dollars, MCP73812 – 0,59 dollars.	LITHIUM- POLYMERIC BATTERIES MCP7381X

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