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MAX1612 Bridge-Battery Backup Controller

MAX1612 Description

19-4785; Rev 0; 11/98 NUAL KIT MA ATION U EET L H A S V A E T WS DA O L L O F Bridge-Battery Backup Controllers for Notebooks .
The MAX1612/MAX1613 manage the bridge battery (sometimes called a hot-swap or auxiliary battery) in portable systems such as notebook computers.

MAX1612 Features

* o Reduce Battery Size and Cost o Four Key Circuit Blocks Adjustable Boost DC-DC Converter NiCd/NiMH Trickle Charger Always-On Linear Regulator (+28V Input) Low-Battery Detector o Low 18µA Quiescent Current o Selectable Charging/Discharging Rates o Preset Linear-Regulator Voltage 5V (MAX1612) 3.3V (M

MAX1612 Applications

* Notebook Computers Portable Equipment Backup Battery Applications Typical Operating Circuit TOP VIEW MAIN BATTERY OR WALL ADAPTER Pin Configuration ISET 1 BBATT 2 LRI DC-DC OUTPUT V+ 16 LRI 15 LRO 14 PGND LX 3 LBO 4 BBATT AUXILIARY BRIDGE BATTERY MAX1612 MAX1613 APPLICATION CIRCUIT MAX1630

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Bridge-Battery Backup Controller Maxim
Maxim MAX1612-like datasheet