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MP2624GL

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 1079K
描述
I2C Controlled 4.5A Single Cell USB / Adaptor Charger with Narrow VDC Power Path Management USB OTG and Shipping Mode

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MP2624GL 数据手册

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MP2624  
I2C Controlled 4.5A Single Cell USB / Adaptor Charger  
with Narrow VDC Power Path Management  
USB OTG and Shipping Mode  
The Future of Analog IC Technology  
DESCRIPTION  
FEATURES  
The MP2624 is a 4.5A, highly integrated,  
switching-mode battery charger IC for single-  
cell Li-ion or Li-polymer batteries. This device  
supports NVDC architecture with power path  
management suitable for different portable  
applications, such as tablets, MID, and smart  
phones. 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 1.5MHz Buck Charger  
and 1.5MHz 1.3A Boost Mode to Support  
OTG  
o
94% Efficiency @ 2A  
o Fast Charge Time by Battery Path  
Impedance Compensation  
o
o
o
USB OTG  
94% Efficiency @ 5V, 1.2A OTG  
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  
Single Input USB Compliant Charge  
Narrow System Bus Voltage Power Path  
Management  
The MP2624 supports a wide range of input  
sources, including standard USB host ports and  
wall adapters. The MP2624 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.  
Also, this device is compliant with USB2.0 and  
USB3.0 power specifications by adopting a  
proper input current and voltage regulation  
scheme. In addition, the MP2624 supports USB  
On-The-Go operation by supplying 5V with  
current up to 1.3A.  
o
Instant On Works with No Battery or  
Deeply Discharged Battery  
o
Ideal Diode Operation in Battery  
Supplemental 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 (e.g. 3.6V).  
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, the power path  
management reduces automatically the charge  
current 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 both the system and the  
input power supply at the same time.  
Full DISC Control to Support Shipping Mode  
High Integration  
o
o
o
Fully Integrated Power Switches and  
No External Blocking Diode and Sense  
Resistor Required  
Built-In Robust Charging Protection  
including Battery Temperature Monitor  
and Programmable Timer  
Built-In Battery Disconnection Function  
High Accuracy  
o
o
o
o
±0.5% Charge Voltage Regulation  
±5% Charge Current Regulation  
±5% Input Current Regulation  
±2% Output Regulation in Boost Mode  
Safety  
The MP2624 is available in a QFN-22  
3mm x 4mm package.  
o
Battery Temperature Sensing for  
Charge Mode  
o
Battery Charging Safety Timer  
MP2624 Rev.1.05  
4/9/2018  
www.MonolithicPower.com  
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.  
© 2018 MPS. All Rights Reserved.  
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