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MP2624AGL

更新时间： 2024-11-20 01:18:59
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芯源 - MPS /
页数 文件大小 规格书
45页 2006K
描述
4.5A, I2C-Controlled, Single-Cell USB/Adaptor Charger with Narrow VDC Power-Path Management USB OTG and SYS Reset Function

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MP2624AGL 数据手册

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MP2624A  
4.5A, I2C-Controlled, Single-Cell USB/Adaptor Charger  
with Narrow VDC Power-Path Management  
USB OTG and SYS Reset Function  
DESCRIPTION  
FEATURES  
The MP2624A is a 4.5A, highly integrated,  
switching-mode, battery charger IC for single-  
cell Li-ion or Li-polymer batteries. The  
MP2624A supports NVDC architecture with  
power path management and is suitable for  
various portable applications. Its low impedance  
power path optimizes efficiency, reduces  
battery charging time, and extends battery life.  
The I2C serial interface with charging and  
system settings allows the device to be  
controlled flexibly.  
High-Efficiency 4.5A 1.7MHz Buck Charger  
and 1.7MHz 1.3A Boost Mode to Support  
OTG  
o 94% Efficiency at 2A Charge Current  
o Fast Charge Time By Battery Path  
Impedance Compensation  
o 94% Efficiency at 5V, 1.2A OTG  
o Selectable OTG Current Outputs  
3.9V to 7.0V Operating Input Voltage Range  
Highest Battery Discharge Efficiency with  
10mΩ Battery Discharge MOSFET up to 9A  
Narrow System Bus Voltage Power Path  
Management  
The MP2624A supports a wide range of input  
sources, including standard USB host ports and  
wall adapters. The MP2624A detects the input  
source type according to the USB Battery  
Charging Spec 1.2 (BC1.2) and then informs  
the host to set the proper input current limit. In  
addition, the MP2624A supports USB On-The-  
Go operation by supplying 5.0V with current up  
to1.3A.  
o Instant On Works with No Battery or  
Deeply Discharged Battery  
o Ideal Diode Operation in Battery  
Supplement Mode  
Constant-Off-Time Control to Reduce  
Charging Time under Lower Input Voltages  
High Accuracy of Charging Parameter  
I2C Port for Flexible System Parameter  
Setting and Status Reporting  
The power-path management regulates the  
system voltage slightly above the set maximum  
voltage between the battery voltage and the I2C  
programmable lowest voltage level. With this  
feature, the system is able to operate even  
when the battery is depleted completely or  
removed. When the input source current or  
voltage limit is reached, power path  
management reduces the charge current  
automatically to meet the priority of the system  
power requirement. If the system current  
continues increasing, even when the charge  
current is reduced to zero, the supplement  
mode allows the battery to power the system  
together with the input power supply  
simultaneously.  
Full DISC Control to Support System  
Refresh  
I2C Control and DISC Control to Support  
Shipping Mode  
High Integration  
o Fully Integrated Power Switches  
o Built-In Robust Charging Protection  
o Built-In Battery Disconnection Function  
High Accuracy  
o ±0.5% Charge Voltage Regulation  
o ±5% Charge Current Regulation  
o ±5% Input Current Regulation  
o ±2% Output Regulation in Boost Mode  
Safety  
The MP2624A is available in a QFN-22  
(3mmx4mm) package.  
o Battery Temperature Sensing for  
Charge Mode  
o Battery Charging Safety Timer  
o Thermal Regulation and Thermal  
Shutdown  
o Battery System Over-Voltage Protection  
o MOSFET Over-Current Protection  
Charging Operation Indicator  
MP2624A Rev. 1.02  
12/20/2017  
www.MonolithicPower.com  
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.  
© 2017 MPS. All Rights Reserved.  
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