MB39A114 Datasheet, PDF (23/54 Pages) Fuji Electric – DC/DC Converter IC for Charging Li-ion Battery

MB39A114
s SETTING THE DYNAMICALLY-CONTROLLED CHARGING
With an external resistor connected to +INE1 terminal (pin 9) , dynamically-controlled charging mode to reduce
the charge current to keep AC adapter power constant when the partial potential point A of AC adapter voltage
(VCC) become lower the −INE1 terminal voltage.
Dynamically-controlled charging setting voltage : Vth
Vth (V) = (R1 + R2) /R2 × −INE1
VCC
−INE1
8
A
R1
R2
9
+INE1
<Error Amp1>
−
+
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