Datasheet > MP26123

MP26123

更新时间： 2024-04-09 19:00:20

品牌	Logo	应用领域
芯源 - MPS		电池开关
页数	文件大小	规格书
16页	757K
描述
600kHz锂离子电池开关充电IC

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MP26123 数据手册

MP26123

2A,24V Input, 600kHz

2/3-Cell Switching Li-ion Battery Charger

The Future of Analog IC Technology

DESCRIPTION

FEATURES

The MP26123 is a monolithic DC-DC step-

down switching charger for 2- or 3-cell Li-ion

battery packs. It has an integrated high-side

power MOSFET can output up to a 2A charge

current. It also has peak-current–mode control

for fast loop response and easy compensation.



Charges 2- or 3-Cell Li-Ion Battery Packs

Wide Operating Input Range

Programmable Charging Current of up to 2A

±0.75% V_BATTAccuracy

0.2Ω Integrated Power MOSFET

Up to 90% Efficiency

Fixed 600kHz Frequency

Preconditioning for Fully Depleted Batteries

Charging Status Indicator

Input Supply Fault Indicator

Thermal Shutdown

Cycle-by-Cycle Over-Current Protection

Battery Temperature Monitor and Protection

The MP26123 uses a sense resistor to control a

programmable charge current, and accurately

regulates the charge current and charge

voltage using two control loops.

The MP26123 has multiple fault condition

protections that include cycle-by-cycle current

limiting and thermal shutdown. Other safety

features include battery temperature monitoring

and protection, charge status indication and

programmable timer to cease the charging

cycle when timer out.

APPLICATIONS



Mobile Internet Device

Portable Media Player

Netbook

Charger for 2- or 3-Cell Li-Ion Batteries

Distributed Power Systems

The MP26123 requires a minimal number of

readily-available external components.

The MP26123 is available in a 4mm x 4mm 16-

pin QFN package.

For MPS green status, please visit MPS website under Quality Assurance.

“MPS” and “The Future of Analog IC Technology” are Registered Trademarks of

Monolithic Power Systems, Inc.

TYPICAL APPLICATION

MP26123 Rev. 1.01

10/28/2011

www.MonolithicPower.com

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

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