MAX1259 - 电池管理器

MAX1259是Maxim美信半导体公司的一款监控电路、电压监测、排序产品，MAX1259是电池管理器，本站介绍了MAX1259的封装应用图解、特点和优点、功能等，并给出了与MAX1259相关的Maxim元器件型号供参考。

MAX1259 - 电池管理器 - 监控电路、电压监测、排序 - Maxim美信半导体高性能芯片品质 - 美信半导体

产品概述

The MAX1259 battery manager provides backup-batteryswitching for CMOS RAM, microprocessors, or otherlow-power logic ICs. It automatically switches to thebackup battery when the primary power supply is interrupted.Low-loss switches guarantee an input-to-outputdifferential of only 200mV while supplying 250mA fromthe primary power supply or 15mA from the battery.

Battery discharge during shipping does not occur in theMAX1259, since the backup battery can be disconnectedby strobing the RST input.

A battery-fail output signal indicates when the backupbattery is below +2V, and a power-fail output signal indicateswhen the primary power supply is low. TheMAX1259 monitors the backup battery, warns ofimpending power failures, and switches the memory tothe battery when failures occur. The MAX1259 is pin-compatiblewith the DS1259, but consumes three timesless supply current. Commercial, extended, and militarytemperature range devices are available.

关键特性

以下关键特性由Maxim美信半导体提供：

Switches to Backup Battery if Power Fails

Consumes Less than 100nA of Battery Current

Power-Fail Output Signals PrimaryPower-Supply Loss

Battery Monitor Indicates Low Battery

Battery Can Be Disconnected to PreventDischarge During Shipping

Battery Automatically Reconnected whenVCC is Applied

Pin-Compatible with the DS1259

Supply Current Three Times Lower than DS1259

Available in Extended-Industrial and MilitaryTemperature Ranges

热门应用

CMOS RAM备用电池

计算机

控制器

不间断电源

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