onsemi NCP1850
The NCP1850 is a fully programmable single cell Lithium−ion switching battery charger optimized for charging from a USB compliant input supply and AC adaptor power source. The device integrates a synchronous PWM controller, power MOSFETs, and the entire charge cycle monitoring including safety features under software supervision. The NCP1850 junction temperature and battery temperature are monitored during charge cycle, and both current and voltage can be modified accordingly through I2C setting.| Part No. | NCP1850 |
|---|---|
| Datasheet | NCP1850 Download |
| Manufacturer |  onsemi |
| Description | Fully Integrated Li-Ion Switching Battery Charger |
| Buy | Stock & Price |
FEATURES
● 1.5 A Buck Converter with Integrated Pass Devices● Input Current Limiting to Comply to USB Standard
● Automatic Charge Current for AC Adaptor Charging
● High Accuracy Voltage and Current Regulation
● Input Overvoltage Protection up to +28 V
● Factory Mode
● 250 mA Boosted Supply for USB OTG Peripherals
● Reverse Leakage Protection Prevents Battery Discharge
● Protected USB Transceiver Supply Switch
● Dynamic Power Path with Optional Battery FET
● Battery Temperature Sensing for Safe Operation
● Silicon Temperature Supervision for Optimized Charge Cycle
● Safety Timers
● Flag Output for Charge Status and Interrupts
● INTB Output for Interrupts
● I2C Control Bus up to 3.4 MHz
● Small Footprint 2.2 x 2.55 mm CSP Package
● These Devices are Pb−Free and are RoHS Compliant
APPLICATIONS
● Smart Phone● Handheld Devices
● Tablets
● PDAs MARKING DIAGRAM WLCSP25 CASE 567FZ 1850 AYWW G 1850 A Y WW G = Specific Device Code = Assembly Location = Year = Work Week = Pb−Free Package ORDERI...
