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MAX1811 - USB-Powered Li+ Charger

Datasheet Summary

Description

The MAX1811 is a single-cell lithium-ion (Li+) battery charger that can be powered directly from a USB port

or from an external supply up to 6.5V.

It has a 0.5% overall battery regulation voltage accuracy to allow maximum utilization of the battery capacity.

Features

  • include continuous monitoring of voltage and current and initial checking for fault conditions before charging. The MAX1811 is available in a small 1.4W thermally enhanced 8-pin SO package.

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Datasheet preview – MAX1811

Datasheet Details

Part number MAX1811
Manufacturer Maxim
File Size 1.11 MB
Description USB-Powered Li+ Charger
Datasheet download datasheet MAX1811 Datasheet
Additional preview pages of the MAX1811 datasheet.

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Full PDF Text Transcription

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Click here for production status of specific part numbers. MAX1811 USB-Powered Li+ Charger General Description The MAX1811 is a single-cell lithium-ion (Li+) battery charger that can be powered directly from a USB port* or from an external supply up to 6.5V. It has a 0.5% overall battery regulation voltage accuracy to allow maximum utilization of the battery capacity. The charger uses an internal FET to deliver up to 500mA charging current to the battery. The device can be configured for either a 4.1V or 4.2V battery, using the SELV input. The SELI input sets the charge current to either 100mA or 500mA. An open-drain output (CHG) indicates charge status. The MAX1811 has preconditioning that soft-starts a near-dead battery cell before charging.
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