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MAX1773 - Power Source Selector

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.

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.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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19-1796; Rev 1; 1/03 KIT ATION EVALU E L B A AVAIL Power Source Selector for Dual-Battery Systems 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 Description The MAX1773/MAX1773A highly integrated ICs serve as the control logic for a system with multiple power sources.