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LP28006 Datasheet(PDF) 1 Page - Lowpower Semiconductor inc |
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LP28006 Datasheet(HTML) 1 Page - Lowpower Semiconductor inc |
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1 / 11 page  Preliminary Datasheet LP28006 LP28006 – 00 Ver. 1.0 Datasheet Feb.-2010 www.lowpowersemi.com Page 1 of 11 Single and Dual Cell Li+ Battery Charger IC –LP28006 General Description The LP28006 is a fully integrated low cost single-cell Li-Ion battery charger IC ideal for portable applications. The LP28006 is capable of being powered up from AC adapter. The LP28006 enters sleep mode when AC adapter is removed. The LP28006 optimizes the charging task by using a control algorithm including preconditioning mode, fast charge mode and constant voltage mode. The charging task is terminated as the charge current drops below the preset threshold. The AC adapter charge current can be programmed up to 1A with an external resister. The internal thermal feedback circuitry regulates the die temperature to optimize the charge rate for all ambient temperatures. The LP28006 features 18V maximum rating voltages for AC adapter. The other features are under voltage protection, over voltage protection for AC adapter supply and battery temperature monitoring. Order Information LP28006 - □ □ □ □ □ F: Pb-Free Package Type QV: TDFN-10 Output Voltage 42: 4.2V 84: 8.4V Applications Portable Media Players/MP3 players Cellular and Smart mobile phone PDA/DSC Bluetooth Applications Marking Information Please see website of LP28006: www.lowpowersemi.com. Features 18V Maximum Rating for AC Adapter Internal Integrate P-MOSFETs AC Adapter Power Good Status Indicator Charge Status Indicator Under Voltage Protection Over Voltage Protection Automatic Recharge Feature Battery Temperature Monitoring Small 10-Lead WDFN Package Thermal Feedback Optimizing Charge Rate RoHS Compliant and 100% Lead (Pb)-Free Typical Application Circuit |
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