Values given are standard Pin no.
Pin name Input/output Function Input pin for on/off control 1 SW Input SW=VCC : off, SW=GND : on Pulled up to VCC, so turned off when open Full-charge signal output pin 2 CO output While charging : Open collector output NPN transistor is off At full char
MITSUMI Lithium-Ion Battery Charge Control (1 cell) MM1333 Lithium-Ion Battery Charge Control (1 cell) Monolithic IC MM1333 Outline This IC was developed for lithium-ion battery charge control.
It controls charging with an external PNP power transistor or p-MOSFET.
It is used only for 1-cell batteries and provides a high-precision charge voltage.
Charge current can be set with an external resistor.
In addition, it includes the functions of MM1332 (conventional IC) and incorporates a comparato
MM1333 Features
* t 1. Output voltage 1 (Ta=25°C) 2. Output voltage 2 (Ta=0°C~+40°C) u 3. Constant-current output O 4. Low voltage (LV) detection function d 5. Full-charge detection function 4.100V±35mV 4.100V±50mV Current limit 100mV±10mV Constant current value = current limit/external resistance 2.00V±100mV
Datasheet Details
MM1333
MITSUMI
322.85 KB
Lithium-ion battery charge controller.
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