MP2681GS-Z

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Battery Chemistry:	Lithium-Ion/Polymer
Number of Cells:	1
Current - Charging:	Constant
Programmable Features:	Timer
Fault Protection:	--
Charge Current - Max:	--
Battery Pack Voltage:	4.15V
Voltage - Supply (Max):	30V
Interface:	--
Operating Temperature:	-40°C ~ 125°C (TJ)
Package / Case:	16-SOIC (0.154", 3.90mm Width)
Supplier Device Package:	16-SOIC

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The MP2681GS-Z is a highly integrated power module with integrated power conversion and control functions for single-cell Li-ion and Li-polymer battery-powered applications and is designed specifically for small-form-factor portable devices. As part of Power Management ICs (PMICs) category, it is a battery charger which offers both high efficiency and simple design methodology.
MP2681GS-Z integrates a high-frequency switching regulator with a powerful high-side switch, to enable high power-density without external elements such as power MOSFETs, driver transistors, or wear-out prone booting capacitors. It can provide efficiently charging current up to 1 A, with a maximum voltage of 45 V, making it suitable for all single-cell Li-ion and Li-polymer packs, with low battery impedance.
The features of MP2681GS-Z include:

• Integrated power switch for up to 1 A charging of Li-ion and Li-polymer batteries
• High efficiency enabling low power dissipation, without an external heat sink
• Integrated regulator with external input voltage up to 45 V
• High-voltage regulation and output over-voltage protection
• Short-circuit protection under improper battery polarity
• Internal clock oscillator, to provide wide-range accuracy

In terms of application fields, MP2681GS-Z is mostly used in battery-powered hand-held portable electronic device, such as smartphones, tablets, laptops, gaming consoles and similar equipment.
In regards to working principle, MP2681GS-Z integrates a DC-DC switching regulator, a high-side switch MOSFET, current sensing circuit and a power protection circuit, all into a single module.
The DC-DC switching regulator acts as a charge controller while the high-side switch MOSFET is responsible for providing charging current up to 1 A. The current sensing circuit is used to measure the intensity of current and is able to detect any fluctuations and correct them properly.
The power protection circuit monitors the charging process to make sure the charging continues in a safe and efficient manner. It helps protect the battery from over-charging, over- current, over-voltage, and short-circuit.
In a nutshell, MP2681GS-Z is a highly efficient and space-saving solution for single-cell Li-ion and Li-polymer battery-powered applications, as it integrates all the necessary components for efficient battery management in a single module. It offers efficient charging current up to 1A, with a wide range of external input voltages of up to 45 V, making it suitable for a wide range of battery-powered applications.

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