AAT3680 lithium battery linear charging integrated circuit

Published:2011/7/3 21:09:00 Author:Christina | Keyword: lithium battery, linear charging, integrated circuit | From:SeekIC

The AAT3680 is designed as one kind of lithium battery linear charging integrated circuit that can be used in cellphone, PDA, digital camera and the desktop charger. 1.Features The charging system which is composed of the AT3680 has the function of charging voltage and charging current adjustment, also it sets the two times inrush current charging function, there is a pin to control the two times inrush current. 2.Pin functions and data The AAT3680 has eight pins and it has three kinds of packages: MSOP、TSSOP or SOP, the pin-5 of the SOP and TSSOP has the same function and arrangement. Table 1 The pin functions and data of the AAT3680 3.Typical application circuit The typical application circuit of the AAT3680 is as shown in figure 1. Table 2 The five kinds of charging state and display situations



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