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Maxim产品 - MAX1811介绍

MAX1811 - USB供电的Li+充电器

MAX1811是Maxim美信半导体公司的一款电池管理产品，MAX1811是USB供电的Li+充电器，本站介绍了MAX1811的封装应用图解、特点和优点、功能等，并给出了与MAX1811相关的Maxim元器件型号供参考。

MAX1811 - USB供电的Li+充电器 - 电池管理 - Maxim美信半导体高性能芯片品质 - 美信半导体

产品概述

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 (active-low CHG) indicates charge status.

The MAX1811 has preconditioning that soft-starts a near-dead battery cell before charging. Other safety 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.

关键特性
  • 以下关键特性由Maxim美信半导体提供：
  • Charges Single-Cell Li+ Batteries Directly from USB Port
  • 0.5% Overall Charging Accuracy
  • Minimal External Components
  • Input Diode Not Required
  • Automatic IC Thermal Regulation
  • Preconditions Near-Depleted Cells
  • Convenient Power SO-8 Package (1.4W)
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