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MCP73871-2AAI/ML

IC, BATTERY MANAGEMENT CONT., QFN20

MCP73871-2AAI/ML - IC, BATTERY MANAGEMENT CONT., QFN20

Image is for illustrative purposes only. Please refer to product description.

Manufacturer:
MICROCHIP MICROCHIP
Manufacturer Part No:
MCP73871-2AAI/ML
Order Code:
1642487
Technical Datasheet:
MCP73871-2AAI/ML   Datasheet
See all Technical Docs

Product Overview

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)

Applications

Power Management, Wireless, Consumer Electronics, Audio, Portable Devices, Medical

Warnings

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

Product Information

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:
Li-Ion, Li-Pol

:
6V

:
4.5V

:
1A

:
QFN

:
20Pins

:
1

:
-40°C

:
85°C

:
-

:
MSL 1 - Unlimited
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Technical Docs (3)

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