Backup Battery Controller With Programmable Output

The LTC1558 is a backup battery controller that provides all the functions necessary to implement a backup power supply using a single NiCd cell. It includes a 1.2V boost converter, an intelligent 2-stage Battery Charger auto- matic backup switching and a Microprocessor reset gen- erator. The boost converter uses a synchronous switching architecture to achieve a typical efficiency of 70%, ensur- ing maximum backup lifetime from a small NiCd cell. The on-chip NiCd charger uses an internal gas gauge to minimize fast recharge time and prevent overcharging of the backup cell. The LTC1558 also provides a user pro- grammable trickle charge current to compensate for self discharge losses in the backup cell. By Linear Technology Corporation
LTC1558 's PackagesLTC1558 's pdf datasheet

LTC1558 Pinout, Pinouts
LTC1558 pinout,Pin out
This is one package pinout of LTC1558,If you need more pinouts please download LTC1558's pdf datasheet.

LTC1558 Application circuits
LTC1558 circuits
This is one application circuit of LTC1558,If you need more circuits,please download LTC1558's pdf datasheet.

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