MP2603EJ-LF-P

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Battery Chemistry:	Lithium-Ion
Number of Cells:	1
Current - Charging:	Constant - Programmable
Programmable Features:	--
Fault Protection:	Over Current, Over Temperature
Charge Current - Max:	150mA
Battery Pack Voltage:	4.2V
Voltage - Supply (Max):	5.25V
Interface:	--
Operating Temperature:	-20°C ~ 85°C (TA)
Package / Case:	SOT-23-5 Thin, TSOT-23-5
Supplier Device Package:	TSOT-23-5

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Introduction

PMIC - Battery Chargers is one of the widely used forms of power management integrated circuits (PMIC). They are widely used in the electronics industry, because they provide a single-chip solution for power management and battery charging. As a result, PMIC - Battery Chargers have recently become increasingly popular amongst the manufacturers and consumers alike. The MP2603EJ-LF-P is one example of a PMIC - Battery Charger, and this article will explore its application field, as well as its working principle.

Application Field

The MP2603EJ-LF-P is a single-chip solution that integrates both current regulation, as well as voltage regulation. This makes it ideal for applications, such as providing continuous current in mobile devices, or supplying a regulated voltage in medium power systems. Furthermore, the MP2603EJ-LF-P is highly efficient, making it suitable for low-power applications, such as smart phones, tablets, and other consumer electronics. Due to its flexibility, the MP2603EJ-LF-P can be easily integrated into any system, and is capable of supporting different types of batteries, such as Li-ion and Li-polymer. In addition to its adaptability, the MP2603EJ-LF-P also offers a wide input voltage range, from 3.5V to 6.5V. This makes it possible to use the chip in multiple power environments, including AC/DC adapters, USB charger portfolios and other wall adapters. The MP2603EJ-LF-P also features overline and over-discharge protection, making it suitable for use in harsh environments, such as automotive and industrial.

Specific Features

The MP2603EJ-LF-P features a high efficiency current regulation loop, with a low ripple ripple over-discharge protection circuit. The chip also includes an active-high output voltage control pin, along with an adjustable output over-voltage protection. This makes the chip suitable for applications such as Li-Ion battery charger and maintainer, high-efficiency AC/DC adapter and USB wall adapter.In addition, the MP2603EJ-LF-P has a built-in battery capacity protection circuit, designed to prevent battery from overcharging. The integrated protective circuit can be used in applications involving over-discharge protection, rechargeable battery packs, and charge-discharge overvoltage protection. Furthermore, the chip also includes a low-drop-out regulator, with a maximum current of 500mA, and a wide dynamic response range.

Working Principle

The working principle of the MP2603EJ-LF-P is split into two phases. In the first phase, the chip monitors the battery voltage and then actively controls the amount of current flowing into the battery. This is to ensure that the battery voltage is regulated to the specified levels. In the second phase, the chip determines the amount of charge remaining in the battery, and then adjusts the input current accordingly. This allows the chip to achieve maximum charging efficiency, and prevent the battery from becoming overcharged or damaged.

Conclusion

The MP2603EJ-LF-P is a highly efficient single-chip solution for power management and battery charging. It offers a wide input voltage range, from 3.5V to 6.5V, and features overline and over-discharge protection. Additionally, the chip also has an integrated battery capacity protection circuit and low-drop-output regulator. The working principle of the chip is split into two phases; firstly, it monitors the battery voltage and then controls the amount of current; secondly, it determines the remaining charge in the battery and adjusts the input current accordingly. The MP2603EJ-LF-P is suitable for applications such as Li-Ion battery chargers, AC/DC adaptors, USB wall adaptors, over-discharge protection and charge-discharge over voltage protection.

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