MP2624 Datasheet: I2C Controlled 4.5A Single Cell USB / Adaptor Charger





MP2624 I2C Controlled 4.5A Single Cell USB / Adaptor Charger Datasheet

Part Number MP2624
Description I2C Controlled 4.5A Single Cell USB / Adaptor Charger
Manufacture MPS
Total Page 30 Pages
PDF Download Download MP2624 Datasheet PDF

Features: MP2624 I2C Controlled 4.5A Single Cell USB / Adaptor Charger with Narrow VDC Power Path Management The Future of An alog IC Technology USB OTG and Shippin g Mode DESCRIPTION The MP2624 is a 4.5 A, highly integrated, switching-mode ba ttery charger IC for singlecell Li-ion or Li-polymer batteries. This device su pports NVDC architecture with power pat h management suitable for different por table applications, such as tablets, MI D, and smart phones. Its low impedance power path optimizes efficiency, reduce s battery charging time, and extends ba ttery life. The I2C serial interface wi th charging and system settings allows the device to be controlled flexibly. T he MP2624 supports a wide range of inpu t sources, including standard USB host ports and wall adapters. The MP2624 det ects the input source type according to the USB Battery Charging Spec 1.2 (BC1 .2) and then informs the host to set th e proper input current limit. Also, thi s device is compliant with USB2.0 and USB3.0 power specificatio.

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MP2624
I2C Controlled 4.5A Single Cell USB / Adaptor Charger
with Narrow VDC Power Path Management
The Future of Analog IC Technology
USB OTG and Shipping Mode
DESCRIPTION
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.
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.
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.
The MP2624 is available in a QFN-22
3mm x 4mm package.
FEATURES
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 USB OTG
o 94% Efficiency @ 5V, 1.2A OTG
o Selectable OTG Current Outputs
3.9V to 7.0V Operating Input Voltage Range
Highest Battery Discharge Efficiency with
10mBattery Discharge MOSFET up to 9A
Single Input USB Compliant Charge
Narrow System Bus Voltage Power Path
Management
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
Full DISC Control to Support Shipping Mode
High Integration
o Fully Integrated Power Switches and
No External Blocking Diode and Sense
Resistor Required
o Built-In Robust Charging Protection
including Battery Temperature Monitor
and Programmable Timer
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
o Battery Temperature Sensing for
Charge Mode
o Battery Charging Safety Timer
MP2624 Rev.1.06
10/17/2018
www.MonolithicPower.com
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2018 MPS. All Rights Reserved.
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