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MP2639AGR - 2-Cell Li-Ion or Li-Polymer Switching Charger

Download the MP2639AGR datasheet PDF. This datasheet also covers the MP2639A variant, as both devices belong to the same 2-cell li-ion or li-polymer switching charger family and are provided as variant models within a single manufacturer datasheet.

General Description

The MP2639A is a highly integrated, flexible, switch-mode, battery-charging management device for 2-cell series Li-ion and Li-polymer batteries used in a wide range of portable applications.

The MP2639A is able to charge a 2-cell battery from a 5V adapter or USB input.

Key Features

  • include charge termination and autorecharge. To guarantee safe operation, the MP2639A limits the die temperature to a preset value of 120°C. Other safety features include input overvoltage protection (OVP), battery over-voltage protection (OVP), thermal shutdown, battery temperature monitoring, and a programmable timer to prevent prolonged charging of a dead battery. The MP2639A is available in a QFN-26 (4mmx4mm) package.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (MP2639A-MPS.pdf) that lists specifications for multiple related part numbers.

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Other Datasheets by Monolithic Power Systems

Part Number Description
MP2639A 2-Cell Li-Ion or Li-Polymer Switching Charger
MP2639B 1S Cell Li-ion or Li-polymer Switching Charger
MP2639BGR 1S Cell Li-ion or Li-polymer Switching Charger
MP2639C 2-Cell Li-Ion or Li-Polymer Switching Charger
MP2639CGR 2-Cell Li-Ion or Li-Polymer Switching Charger

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
The Future of Analog IC Technology MP2639A 2-Cell Li-Ion or Li-Polymer Switching Charger Compatible with 5V Input and Integrated, Bidirectional Charge/Discharge with Cell Balance DESCRIPTION The MP2639A is a highly integrated, flexible, switch-mode, battery-charging management device for 2-cell series Li-ion and Li-polymer batteries used in a wide range of portable applications. The MP2639A is able to charge a 2-cell battery from a 5V adapter or USB input. The MP2639A can work in three modes: charge mode, discharge mode, and sleep mode. In 2-cell applications, the 5V input charges the 2-cell battery via the MP2639A operating in step-up mode. When the 5V input is absent, the 2-cell battery voltage is discharged to the 5V output via the MP2639A working in step-down mode.