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WP3880

保護IC:過壓過流負載開關(guān); ·Overvoltage Protection Up to +30V\r\n·Fast Turn Off Time\r\n·Very Low Current Consumption/USB Compliant\r\n·Li ion Battery Voltage Monitoring\r\n·Overvoltage Lockout (OVLO)\r\n·Under-voltage Lockout (UVLO)\r\n·Overcurrent Protection Externally Adjustable (OCP) up to 2.8A\r\n·Thermal Shutdown\r\n·Shutdown and Gain Input Pins\r\n·Soft?Start to Eliminate Inrush Current\r\n·Alert Output\r\n·Compliance to IEC61000-4-2 (Level 4): 8kV (Contact), 15kV (Air) bypassed with a 1μF or larger capacitor.\r\n·ESD Ratings: Machine Model = B; Human Body Model = 2.\r\n·Package: DNF8\r\n·Pb-Free Devices;

The WP3880 provides complete Li+ charger protection against Input over-voltage, input over-current and thermal shutdown protection is also available. When any of the monitored parameters is over the threshold, the IC turns off the charging current. All protections also have deglitch time against false triggering due to voltage spikes or current transients. The system is positive overvoltage protected up to +30V. Thanks to a very low current consumption, the USB charge is compatible with this integrated component. \r\n The WP3880 provides complete Li+ charger protections, and saves the external MOSFET and Schottky diode for the charger of cell phone’s PMIC. This device uses internal PMOS FET, making external devices unnecessary, which reduces the system cost and PCB area of the application board. The above features and small package make the WP3880 an ideal part for cell phones applications. WP3880 is able to instantaneously disconnect the output from the input if the input voltage exceeds the overvoltage threshold. Additional overcurrent protection function allows turning off internal PMOS FET when the charge current exceeds current limit, which is externally selectable.

3880

PRODUCTSPECIFICATION

3880

LockingReleasableWireClips

A-3880E

1.2INCH,8X8DOTMATRIXDISPLAY

A-3880G

1.2INCH,8X8DOTMATRIXDISPLAY

A-3880H

1.2INCH,8X8DOTMATRIXDISPLAY

A-3880SR

1.2INCH,8X8DOTMATRIXDISPLAY

A-3880X

1.2INCH,8X8DOTMATRIXDISPLAY

A-3880Y

1.2INCH,8X8DOTMATRIXDISPLAY

BA3880AFS

High-definitionsoundprocessor

TheBA3880ASandBA3880AFSaresoundprocessorICsthatperformphaseandharmoniccompensationonaudiosignalstoaccuratelyreproducetherisesectionofaudiosignalsthatdeterminesthecharacteristicsofthesound,andthusreproducetheoriginalrecordingasnaturallyaspossible. Features