MAX1898 Linear Charger For Single-Cell Li+ Battery

The MAX1898 with an external PNP or PMOS Transistor forms a complete charger for 1-cell lithium-ion (Li+) batteries. The MAX1898 provides accurate constant-current/constant-voltage charging. Battery regulation voltage accuracy is 0.75% for optimum battery performance and cycle life. Charging current is user set, but is sensed internally so no external current-sense resistor is needed. The MAX1898 also provides outputs to monitor charge status, presence-of-input power source, and charge current. Additional features include shutdown, optional charge-cycle restart without input-power cycling, selectable charge termination safety Timer and low-current preconditioning for deeply discharged cells.
The MAX1898 offers the maximum integration and functionality in the smallest, most basic application circuit possible. Very few external components are required.
The MAX1898 offers two versions to safely charge all Li+ battery chemistries. The battery regulation voltage is 4.2V for the MAX1898EUB42 and 4.1V for the MAX1898EUB41. Both are available in a 10-pin ultra-thin MAX package.
By Maxim Integrated Products
MAX1898 's PackagesMAX1898 's pdf datasheet
MAX1898EUB42T uMAX
MAX1898EUB42 uMAX
MAX1898EUB41 uMAX
MAX1898EUB41-T uMAX
MAX1898EUB42-T uMAX
MAX1898EUB41T uMAX




MAX1898 Pinout, Pinouts
MAX1898 pinout,Pin out
This is one package pinout of MAX1898,If you need more pinouts please download MAX1898's pdf datasheet.

MAX1898 Application circuits
MAX1898 circuits
This is one application circuit of MAX1898,If you need more circuits,please download MAX1898's pdf datasheet.


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