Technology Industry
Industry: Email Alert RSS FeedBattery charger offers portable operation.(Power Sources & Conditioning Devices)
ECN-Electronic Component News, December, 2003
The MAX1874 dual-input, linear, single-cell lithium-ion battery charger from Maxim Integrated Products charges from both USB and AC-adapter sources and is suited for use with PDAs, cell phones, digital still cameras, MP3 players and other hand-held products. The unit accepts input voltages up to 6.5V and does not require diodes or an external MOSFET. DC-input overvoltage protection up to 18V can be added with a single SOT PFET. The device also features battery-to-DC power switchover to drive the system directly from the power source instead of the battery. Thermal regulation of the charger temperature simplifies PC-board layout, minimizes component size guardbands and maximizes the charging rate under all battery and input voltage conditions. Instead of shutting down...
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