MAX1259 Datasheet (Maxim) - Battery Manager

MAX1259, Battery Manager

The MAX1259 battery manager provides backup-battery switching for CMOS RAM, microprocessors, or other lowpower logic ICs.

It automatically switches to the backup battery when the primary power supply is interrupted.

Low-loss switches guarantee an input-to-output differential of only 200mV while supp

MAX1259 Features

* Switches to Backup Battery if Power Fails

* Consumes Less than 100nA of Battery Current

* Power-Fail Output Signals Primary Power-Supply Loss

* Battery Monitor Indicates Low Battery

* Battery Can Be Disconnected to Prevent Discharge During Shipping