Datasheet > MP2690GR

MP2690GR

更新时间： 2024-11-24 01:20:35

品牌	Logo	应用领域
芯源 - MPS		电池
页数	文件大小	规格书
37页	2483K
描述
All-in-One, 2.5A Battery Charger with 2.1A Boost Current

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MP2690GR 数据手册

MP2690

All-in-One, 2.5A Battery Charger

with 2.1A Boost Current

DESCRIPTION

FEATURES



Up to 14V Sustainable Input Voltage

4.65V to 6V Operating Input Voltage Range

Power Management Function, Integrated

Input Current Limit, Input Voltage Regulation

Up to 2.5A Programmable Charge Current

Trickle-Charge Function

The MP2690 is a highly integrated, flexible,

switch-mode battery charger with system power-

path management and is designed for single-cell

Li-ion or Li-polymer battery use in a wide range

of applications.



The IC can operate in both charge mode and

boost mode to allow for full system and battery

power management.

Selectable 4.2V/4.35V/4.45V Charge Voltage

with 0.5% Accuracy



4-LED Driver for Battery Fuel Gauge

Indication

The IC has an integrated IN-to-SYS pass-through

path to pass the input voltage to the system. The

pass-through path has built-in over-voltage and

over-current protection and has a higher priority

over the charging path.



Automatic Turn-Off at Light Load

Input Source Detection

Output Source Signaling

Torch-Light Control

When the input power is present, the device

operates in charge mode. The MP2690 detects

the battery voltage automatically and charges the

battery in three phases: trickle current, constant

current, and constant voltage. Other features

include charge termination and auto-recharge.

The MP2690 also integrates both input current

limit and input voltage regulation to manage input

power and meet the priority of the system power

demand.

Negative Temperature Coefficient Pin for

Battery Temperature Monitoring

Programmable Timer Back-Up Protection

Thermal Regulation and Thermal Shutdown

Internal Battery Reverse Leakage Blocking

Integrated Over-Voltage Protection (OVP)

and Over-Current Protection (OCP) for Pass-

Through Path



Reverse Boost Operation Mode for System

Power

Up to 2.1A Programmable Output Current

Limit for Boost Mode

Integrated Short-Circuit Protection (SCP) and

Output Over-Voltage Protection for Boost

Mode

In the absence of an input source, the IC

switches to boost mode through PB to power

SYS from the battery. In boost mode, OLIM

programs the output current limit, and the IC

turns off at light load automatically. The IC also

uses output short-circuit protection to disconnect

the battery from the load completely in the event

of a short-circuit fault. The MP2690 resumes

normal operation once the short-circuit fault is

removed.

APPLICATIONS



Sub-Battery Applications

Power-Bank Applications for Smart Phones

Tablets and Other Portable Devices

The 4-LED driver is integrated for voltage-based

fuel gauge indication. Together with torch-light

control, the MP2690 provides an all-in-one

solution for power banks and similar applications

without an external micro-controller.

All MPS parts are lead-free, halogen-free, and adhere to the RoHS

directive. For MPS green status, please visit the MPS website under

Quality Assurance. “MPS” and “The Future of Analog IC Technology” are

registered trademarks of Monolithic Power Systems, Inc.

Analog digital adaptive modulation (ADAM) is a trademark of Monolithic

Power Systems, Inc.

The MP2690 is available in a 26-pin QFN

(4mmx4mm) package.

MP2690 Rev.1.0

6/24/2016

www.MonolithicPower.com

MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.

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