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AIC1821 - One-Cell Lithium-Ion Battery Protection

General Description

The AIC1821 battery protection IC is designed to protect lithium-ion battery from damage or degrading the lifetime due to overcharge, overdischarge, and/or overcurrent for one-cell lithium-ion battery powered systems, such as cellular phones.

Key Features

  • l Reduction in Board Size due to Miniature Package SOT-25 and Less External Components. l Ultra-Low Quiescent Current at 7µA (VCC=3.5V). l Ultra-Low Power-Down Current at 0.6µA (VCC =2.2V). l Precision Overcharge Protection Voltage 4.35V ± 50mV for the AIC1821A 4.30V ± 50mV for the AIC1821B 4.25V ± 50mV for the AIC1821C 4.20V ± 50mV for the AIC1821D l Built-in Delay Time Circuits for Overcharge, Over-discharge, and Overcurrent Protection. l Load Detection Function during Overcharge Mode. l Two D.

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Datasheet Details

Part number AIC1821
Manufacturer Analog Intergrations Corporation
File Size 155.10 KB
Description One-Cell Lithium-Ion Battery Protection
Datasheet download datasheet AIC1821 Datasheet

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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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AIC1821 One-Cell Lithium-Ion Battery Protection IC n FEATURES l Reduction in Board Size due to Miniature Package SOT-25 and Less External Components. l Ultra-Low Quiescent Current at 7µA (VCC=3.5V). l Ultra-Low Power-Down Current at 0.6µA (VCC =2.2V). l Precision Overcharge Protection Voltage 4.35V ± 50mV for the AIC1821A 4.30V ± 50mV for the AIC1821B 4.25V ± 50mV for the AIC1821C 4.20V ± 50mV for the AIC1821D l Built-in Delay Time Circuits for Overcharge, Over-discharge, and Overcurrent Protection. l Load Detection Function during Overcharge Mode. l Two Detection Levels for Overcurrent Protection. n APPLICATIONS l Protection IC for One-Cell Lithium-Ion Battery Pack.