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MCP73871-2AAI/ML

芯片, 电池充电控制器

MICROCHIP MCP73871-2AAI/ML

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制造商产品编号:
MCP73871-2AAI/ML
库存编号
1642487
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产品概述

The MCP73871-2AAI/ML is a stand-alone system load sharing and Li-ion/Li-polymer Battery Charge Management Controller fully integrated linear solution with AC-DC wall adapter and USB port power sources selection. It is also capable of autonomous power source selection between input and battery. The MCP73871 device automatically obtains power for the system load from a single-cell Li-ion battery or an input power source (AC-DC wall adapter or USB port). The MCP73871 device specifically adheres to the current drawn limits governed by the USB specification. With an AC-DC wall adapter providing power to the system, an external resistor sets the magnitude of 1A maximum charge current while supporting up to 1.8A total current for system load and battery charge current.
  • Simultaneously power the system and charge the li-ion battery
  • Voltage proportional current control (VPCC)
  • Low-loss power-path management with ideal diode operation
  • Integrated pass transistors
  • Integrated current sense
  • Integrated reverse discharge protection
  • Selectable input power sources, USB port or AC-DC wall adapter
  • Constant current/constant voltage (CC/CV)
  • Operation with thermal regulation
  • Maximum 1.8A total input current control
  • 50mA to 1A Resistor programmable fast charge current control
  • Resistor programmable termination set point
  • Selectable USB input current control
  • Automatic recharge
  • Automatic end-of-charge control
  • Safety timer with timer enable/disable control
  • 0.1C Preconditioning for deeply depleted cells
  • Battery cell temperature monitor
  • Under-voltage lockout (UVLO)
  • Low battery status indicator (LBO)

应用

电源管理, 无线, 消费电子产品, 音频, 便携式器材, 医用

警告

ESD sensitive device, take proper precaution while handling the device.

产品信息

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:
锂离子、锂聚合物

:
6V

:
4.5V

:
1A

:
QFN

:
20引脚

:
1

:
-40°C

:
85°C

:
-

:
MSL 1 -无限制
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技术文档 (3)

可延期交货

送货开始日期 21-2-25

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CNY12.29 ( CNY13.89  含增值税)

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