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MAX1613 - Bridge-Battery Backup Controller

This page provides the datasheet information for the MAX1613, a member of the MAX1612 Bridge-Battery Backup Controller family.

Description

The MAX1612/MAX1613 manage the bridge battery (sometimes called a hot-swap or auxiliary battery) in portable systems such as notebook computers.

They feature a step-up DC-DC converter that boosts 2-cell or 3-cell bridge-battery voltages up to the same level as the main battery.

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 (MAX1613) o 4V to 28V Main Input Voltage Range o Internal Switch Boost Converter o Small 16-Pin QSOP Package PART MAX1612EEE MAX1613EEE Ordering Information TEMP. RANGE -40°C to +85°C -40°C to +85°C.

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Datasheet preview – MAX1613

Datasheet Details

Part number MAX1613
Manufacturer Maxim
File Size 136.25 KB
Description Bridge-Battery Backup Controller
Datasheet download datasheet MAX1613 Datasheet
Additional preview pages of the MAX1613 datasheet.

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Full PDF Text Transcription

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MAX1612/MAX1613 19-4785; Rev 0; 11/98 EVFAOLLULAOTWIOSNDKAITTAMSAHNEUEATL Bridge-Battery Backup Controllers for Notebooks General Description The MAX1612/MAX1613 manage the bridge battery (sometimes called a hot-swap or auxiliary battery) in portable systems such as notebook computers. They feature a step-up DC-DC converter that boosts 2-cell or 3-cell bridge-battery voltages up to the same level as the main battery. This voltage boosting technique reduces the number of cells otherwise required for a 6cell plus diode-OR bridging scheme, reducing overall size and cost. Another key feature is a trickle-charge timer that minimizes battery damage caused by constant charging and eliminates trickle-charge current drain on the main battery once the bridge battery is topped off.
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