NCP3800V Datasheet - ON Semiconductor

NCP3800V SMBus Level 2 Battery Charger

Function Pin Description ACOK 5 An open drain device indicates that status of the ac adaptor. Connecting a 10 kW resistor to external pull *up power supply. A high state indicates the adaptor is present. ACFET 4 Gate drive to the series N *FET(s) from the ac adaptor to the syste.

NCP3800V 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

NCP3800V-ONSemiconductor.pdf