LX2201 Li-Ion Battery Charger

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Presentation transcript:

LX2201 Li-Ion Battery Charger http://www.microsemi.com FEATURES Up to 2A charge current Bi-directional Charge/Discharge USB or AC interface Low Rdson in discharge mode Selectable Li-On battery for 4.1V or 4.2V Internal pass element No Sense Resistor Built in MOSFET driver Inherent Load Disconnected Programmable charge/stop currents Conditioning mode Top-Off mode Always cool running; internal thermostat Packaging- 20 lead MLP APPLICATIONS Cell Phones PDA’s, MP3 player Charging Cradles, Digital Camera Low-cost single Li-ION cell chargers AVAILABILITY Sample – NOW Production – 4/04 State Select Truth Table VID0 VID1 State Description Shutdown Battery disconnected. Low quiescent current. 1 Discharge Battery discharging with internal switch closed. VDD = VBAT Charging USB LO Battery Charging. For USB, current into VIN flows to battery and VDD. VIN current limited to 100mA. For AC adapter, current into VDD flows to battery. USB HI Battery Charging. For USB, current into VIN flows to battery and VDD. VIN current limited to 500mA. For AC adapter, current into VDD flows to battery. .