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Microchip Intros Charge-Management Controllers
By
ChannelTimes Staff
Mumbai, Dec 31, 2007
Microchip Technology, a provider of micro-controller and analog semiconductors, has introduced the MCP73837 and MCP73838 dual-input, high-current Li-Ion/Polymer charge-management controllers. The product comes with automatic USB or AC adapter power-source selection.
The single-cell, fully integrated chargers enable charge currents of up to 1A from an AC power source, plus charging currents of up to 100 mA or 500 mA from a USB port.
Available in 10-pin MSOP and 3 mm x 3 mm DFN packages, the device when powered from a USB port ensures compliance with USB power specifications and adjusts outputs accordingly. The result is that one charger design can support multiple power sources.
"Due to the ubiquity of USB ports, more applications are utilising USB-port charging. The MCP73837/8 chargers were designed with these trends in mind, along with designers' needs for safer and more efficient chargers in small packages," said Bill Barrett, product line marketing manager for Microchip's Analog and Interface Products Division.
With high charge currents up to 1A from an AC power source, the MCP73837/8 devices enable faster charging cycles and less recharging down time. On-chip safety features, such as thermal regulation, cell-temperature monitoring and charge-timers, minimize charger-related system damage, resulting in safer and more efficient charger designs.
Related Links:
Microchip Unveils 1 Mb Serial EEPROM
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