MB39A134 Datasheet - Fujitsu

MB39A134 DC/DC converter IC

The MB39A134 is a DC/DC converter IC for charging Li-ion battery, which is suitable for down conversion, and uses pulse width modulation (PWM) for controlling the charge voltage and current independently. MB39A134 has a A C adapter detection compar ator i ndependent of the DC/DC con verter controlle.

MB39A134 Features

* Support 2, 3 and 4 Cell Battery Pack Built-in two constant current control loops Built-in AC adapter detection function (ACOK pin) Charge voltage accuracy : ±0.7% (Ta =

* 10 °C to +85 °C) Built-in charging voltage control without ext

MB39A134-Fujitsu.pdf