Datasheet > MP2611

MP2611

更新时间： 2022-02-26 13:20:32

品牌	Logo	应用领域
芯源 - MPS		电池
页数	文件大小	规格书
22页	751K
描述
2A, 1-Cell Li-Ion Battery Switching Charger For USB and Adapter Power

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MP2611 数据手册

MP2611

2A, 1-Cell Li-Ion Battery Switching Charger

For USB and Adapter Power

The Future of Analog IC Technology

DESCRIPTION

FEATURES

•

4.5V-to-6V Operating Input Voltage

Up to 100% Duty Operation.

The MP2611 is a monolithic switching charger

with built-in power MOSFETs for a single-cell

Li-Ion battery pack. It achieves up to a 2A-

charge current that can be programmed

through an accurate sense resistor over the

whole input range. It can operate from separate

inputs for USB or AC adapter: For USB input,

the input current limit can be programmed to

500mA and 900mA through the USBM pin to

cover both USB2.0 and USB3.0 standards.

Up to 2A Programmable Charge Current

±0.5% Battery Voltage Accuracy

Separate Inputs for USB and AC Adapter

Fully-Integrated Power Switches

Programmable Input Current Limit for the

USB Port

•

No External Reverse Blocking Diode

Required

The MP2611 regulates the charge current and

battery voltage using two control loops to

realize highly accurate constant-current charge

and constant-voltage charge. A 100% duty

cycle can be achieved when battery voltage is

close to the input voltage due to the high-side

P-Channel MOSFET.

•

Charging Operation Indicators

Programmable Safety Timer

Thermal Shutdown

Cycle-by-Cycle Over Current Protection

Battery Temperature Monitor and Protection

APPLICATIONS

Battery charge temperature and charging status

are always monitored for each condition. Two

status-monitor output pins indicate the battery

charging status and input status. The MP2611

•

Smartphones

Portable Hand-Held Solutions

Portable Media Players

All MPS parts are lead-free and adhere to the RoHS directive. For MPS green

status, please visit MPS website under Products, Quality Assurance page.

also

features

internal

reverse-blocking

protection.

“MPS” and “The Future of Analog IC Technology” are registered trademarks of

Monolithic Power Systems, Inc.

The MP2611 is available in a 3mm x 4mm

QFN14 package.

TYPICAL APPLICATION

AC Adapter

Input

22uF

2.2uH

ACIN

RS1

50m

USB Port

USBIN

CSP

22uF

MP2611

R1 1.5k

22uF battery

BATT

1-cell

STAT1

1.5k

PGND

STAT2

OFF

VREF33

NTC

USBM

1uF

TMR

C_TMR

0.1uF

R_ILIM

AGND

R_NTC

MP2611 Rev. 1.12

12/7/2012

www.MonolithicPower.com

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

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