MCP73843中文资料Advanced Single/Dual Lithium-Ion/Li-Polymer Charge Management Controller数据手册Microchip规格书

描述 Description

The MCP73843 combines high accuracy constant-voltage (0.5% max), constant-current regulation, cell preconditioning, advanced safety timers, automatic charge termination, and charge status indication in a space saving MSOP-8 package. The device provides a complete, fully functional, stand-alone charge management solution for applications utilizing single cell Lithium-Ion or Lithium-Polymer battery packs. Two preset voltage regulation options are available, 4.1V and 4.2V, for use with either coke or graphite anodes. The MCP73843 operates with an input voltage range of 4.5V to 12V and is fully specified over the ambient temperature range of -40°C to +85°C.

特性 Features

Safety Charge Timers
Automatic Charge Termination
Automatic Recharge
Charge Status Indicator
High Accuracy Voltage Regulation: 0.5% (Max)
Automatic Preconditioning of Deeply Depleted Cells
Shutdown Current: 0.25µA (Typical)
No Inductor Required
Programmable Charge Current
Automatic Power-Down When Input Power Removed
–40°C to +85°C Ambient Operating Temperature range

简介

MCP73843属于集成电路（IC）的电池充电器。由制造生产的MCP73843电池充电器电池充电器 PMIC（电源管理集成电路）是元器件级产品系列，用于在电子设备中实现电池充电控制和充电管理功能。这些器件主要根据电池化学及其设计用于的电池数量来分类，可提供电化学电池和超级电容器安全充电所必需的电流或电压调节和监视功能。