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MAX1773 Datasheet Power Source Selector

Manufacturer: Maxim Integrated (now Analog Devices)

Overview: 19-1796; Rev 1; 1/03 KIT ATION EVALU E L B A AVAIL Power Source Selector for Dual-Battery.

General Description

The MAX1773/MAX1773A highly integrated ICs serve as the control logic for a system with multiple power sources.

They directly drive external P-channel MOSFETs to select from an AC adapter and dual battery sources for charge and discharge.

The selection is made based on the presence of the power sources and the state of the batteries.

Key Features

  • o Patented† 7-MOSFET Solution o Automatically Detects and Responds to: Low Battery Voltage Condition Battery Insertion and Removal AC Adapter Presence o Direct Drive of P-Channel MOSFETs o Simplifies Power Management µP Firmware o Extends Battery Life by Allowing Power Management µP to Enter Standby o 4.75V to 28V AC Adapter Input Voltage Range o Integrated LDO with 1mA Drive Capability o Small Footprint 20-Pin TSSOP Package Topology Offers Low-Cost General.

MAX1773 Distributor