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MP2615A 手册，专用于电池充电管理

更新时间：2019-09-14 09:07:24 大小：2M 上传用户：lgm0查看TA发布的资源 标签：MP2615A电池充电管理 下载积分：1分 评价赚积分 （如何评价?） 打赏 收藏 评论(0) 举报

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MP2615A_r1.0 手册，专用于电池充电管理                               

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MP2615A_r1.0.pdf 2M

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MP2615A  
2 A, 1- or 2- Cell Li-Ion Battery Charger  
in 3mm x 3mm Package  
MPS CONFIDENTIAL AND PROPRIETARY INFORMATION– INTERNAL USE ONLY  
DESCRIPTION  
FEATURES  
The MP2615A is a high-efficiency, switch mode  
battery charger suitable for 1- or 2- cell lithium-  
ion or lithium-polymer applications. The  
MP2615A is capable of delivering 2 A of charge  
current programmable via an accurate sense  
resistor over the entire input range.  
•
•
•
•
•
4.75 V to 18 V Operating Input Voltage  
Up to 99% Duty Cycle Operation  
Up to 2 A Programmable Charging Current  
±0.75% Full Battery Voltage Accuracy  
4.2 V/Cell and 4.35 V/Cell Selection for Full  
Battery Voltage  
•
•
•
Fully Integrated Power Switches  
Internal Loop Compensation  
No External Reverse-Blocking Diode  
Required  
The MP2615A regulates the charge current and  
full battery voltage using two control loops to  
achieve high-accuracy constant current (CC)  
charge and constant voltage (CV) charge.  
•
•
•
•
•
•
Preconditioning for Fully Depleted Battery  
Charging Operation Indicator  
Programmable Safety Timer  
Thermal Shutdown Protection  
Cycle-by-Cycle Over-Current Protection  
Battery Temperature Monitor and Protection  
Constant-off-time  
(COT)  
control  
allows  
operation at up to 99% duty cycle when the  
battery voltage is close to the input voltage,  
ensuring the charge current always remains at  
a relatively high level.  
The battery temperature and charging status  
are always monitored during each charging  
cycle. Two status monitor output pins are  
provided to indicate the battery charging status  
and input power status. Also, the MP2615A  
features internal reverse-blocking protection.  
APPLICATIONS  
•
•
•
Smart Phones  
Portable Hand-Held Solutions  
Portable Media Players  
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.  
The MP2615A is available in a 3mm × 3mm  
16-pin QFN package.  
Analog digital adaptive modulation (ADAM) and advanced asynchronous  
modulation (AAM) are trademarks of Monolithic Power Systems, Inc.  
TYPICAL APPLICATION  
L
RS1  
5 V to 18 V Input  
SW  
VIN  
C4  
R2  
R1  
BST  
CHGOK  
CSP  
ACOK  
1- or2-  
Cell  
Battery  
MP2615A  
C2  
C1  
VCC  
NTC  
EN  
BATT  
TMR  
SEL  
RNTC  
R3  
C3  
ON  
OFF  
CTMR  
AGND  
CELL  
PGND  
MP2615A Rev. 1.0  
3/20/2015  
www.MonolithicPower.com  
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.  
© 2015 MPS. All Rights Reserved.  
1

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