Description

The MCP73811/2 devices are linear charge management controllers that are designed for use in space limited and cost sensitive applications. The MCP73811/2 provide specific charge algorithms for single cell Li-Ion or Li-Polymer battery to achieve optimal capacity in the shortest charging time possible. Along with its small physical size, the low number of external components required make the MCP73811/2 ideally suited for portable applications. For applications charging from a USB port, the MCP73811 adheres to all the specifications governing the USB power bus.

Features

• Complete Linear Charge Management Controller

- Integrated Pass Transistor

- Integrated Current Sense

- Integrated Reverse Discharge Protection

• Constant Current / Constant Voltage Operation with Thermal Regulation

• High Accuracy Preset Voltage Regulation: + 1

• Voltage Regulation: 4.20V

• Selectable Charge Current:

- MCP73811: 85 mA / 450 mA

• Programmable Charge Current:

- MCP73812: 50 mA - 500 mA

• Minimum External Components Required:

- MCP73811: 2 Ceramic Capacitors

- MCP73812: 2 Ceramic Capacitors and 1 Resistor

• No Preconditioning

• No End-of-Charge Control

• No Undervoltage Lockout (UVLO)

• Automatic Power-Down when Input Power Removed

• Active High Charge Enable

• Temperature Range:

- -40°C to +85°C

• Packaging:

- 5-Lead SOT-23

Applications

• Low-Cost Lithium-Ion/Lithium-Polymer Battery Chargers

• Rechargeable Toys

• Electronic Cigarettes

• Bluetooth Headsets

• USB Chargers

MCP73811T-420I/OT属于集成电路（IC） > 电池充电器。微芯科技股份有限公司制造生产的MCP73811T-420I/OT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。