MITSUMI
Battery full charge
VCC
5.5V
0V
4.1V
BAT pin
voltage
0.9s
Charging current
0A
LED R
ON
OFF
LED G
OFF
ON
Application Circuit
Lithium-Ion Battery Charge Control (1 to 2 cells) MM1433
Re-charge detection
VCC 5.5V
3.9V 0V
BAT pin
voltage
Charging current
0A
56ms
Full charge
LED R
OFF ON
LED G
ON OFF
Note 1: This can be controlled even if a P-MOS FET is used in place of the external PNP-Tr. If you are using a
P-MOS FET, insert a resistance of several thousand ohms between the source and gate.
Note 2: Applicable circuits shown are typical examples provided for reference purposes. Mitsumi cannot
assume responsibility for any problems arising out of the use of these circuits or for any infringement
of third party patent and other right due to same.