RT9161B

Preliminary RT9161B Simple Lithium-Ion Battery Charger General Description The RT9161B is a single-cell lithium-ion battery charger. It includes an on-chip pass transistor for high precision charging. Featuring with ultrahigh precision (±1%), the RT9161B provides a very effective and low cost solution for charging lithiumion battery. Other features of the RT9161B are current limit and thermal shutdown protection. The output voltage of RT9161B is internally set and ranges from 4.10V to 4.35V, in 0.05V steps. The RT9161B comes in the SOT-89 and SOT-223 packages. Ordering Information RT9161B-…… … … Package type X : SOT-89 G : SOT-223 Operating temperature range C: Commercial standard Output voltage 41 : 4.10V 4A : 4.15V 42 : 4.20V 4B : 4.25V 43 : 4.30V 4C : 4.35V Features z High Accuracy Charge Voltage: ±1% z 6 Available Output Voltages z Low 450mV Dropout at 300mA z Wide Input Voltage Range z Thermal Shutdown and Current Limit Protection z SOT-89 and SOT-223 z Low Ground ...