NCP3800V

NCP3800V SMBus Level 2 Battery Charger The NCP3800V is a highly integrated Lithium−ion battery charger controller which can be programmed via the SMBus. It can be used to charge smart batteries and includes three loops for output voltage, output current and input current. External switch FETs are driven by internal charge pump drivers. Features High Efficiency Current Sense Circuit Level 2 SMBus Controlled 2/3/4 Cell Li+ Battery 25 Volt Maximum Adapter Input Range 5.4 V Charge Pump Driving External N−channel FET Switches Internal Loop Compensation Highly Accurate Regulation ♦ ±0.5% Charge Voltage Accuracy ♦ ±3.5% Charge Current Accuracy ♦ ±3.5% Adaptor Current Accuracy These Devices are Pb−Free, Halogen Free/BFR Free and are RoHS Compliant Typical Applications Notebook Computers Netbook Computers Tablet PCs http://onsemi.com 1 QFN20 MN SUFFIX CASE 485CP MARKING DIAGRAM XXXXX XXXXX ALYWG G XXXXX = Specific Device Code A = Assembly Location L = Wafer Lot Y = Year W = Work Week G = Pb−Free Package (Note: Microdot may be in either location) PIN CONFIGURATION DCIN PHASE UGATE BOOT VDDP CSSN CSSP FETCS ACFET ACOK 1 LGATE GND CSOP CSON BATFET ACIN ICM SDA SCL NC © Semiconductor Components Industries, LLC, 2013 April, 2013 − Rev. 0 (Top View) ORDERING INFORMATION Device NCP3800VMNTXG Package QFN20 (Pb−Free) Shipping† 3000 / Tape & Reel †For information on tape and reel specifications, including part orientation and tape sizes, please refer to our Ta...