MP2673 Datasheet: Fast Battery Charger





MP2673 Fast Battery Charger Datasheet

Part Number MP2673
Description Fast Battery Charger
Manufacture MPS
Total Page 30 Pages
PDF Download Download MP2673 Datasheet PDF

Features: The Future of Analog IC Technology MP26 73 4.5A, Fast Battery Charger with 3A B oost System Current and Programmable Ba ttery Discharge Current Limit DESCRIPT ION The MP2673 is a highly integrated, flexible, switch-mode, battery charge m anagement and system power-path managem ent device designed for single-cell Li- ion and Li-polymer batteries used in a wide range of portable applications. Th e IC has two operating modes (charge mo de and boost mode) to allow for managem ent of the system and battery power bas ed on the state of the input and output . When input power is present (up to 14 V), the device operates in charge mode. The device detects the battery voltage automatically and charges the battery in four phases: trickle current charge, pre-charge, constant-current charge, a nd constant-voltage charge. In the abse nce of an input source, the MP2673 swit ches to boost mode to power SYS from th e battery. The IC can provide a wide bo ost voltage to SYS by adjusting the feedback voltage at FB. Wit.

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The Future of Analog IC Technology
MP2673
4.5A, Fast Battery Charger with 3A Boost
System Current and Programmable
Battery Discharge Current Limit
DESCRIPTION
The MP2673 is a highly integrated, flexible,
switch-mode, battery charge management and
system power-path management device
designed for single-cell Li-ion and Li-polymer
batteries used in a wide range of portable
applications.
The IC has two operating modes (charge mode
and boost mode) to allow for management of the
system and battery power based on the state of
the input and output.
When input power is present (up to 14V), the
device operates in charge mode. The device
detects the battery voltage automatically and
charges the battery in four phases: trickle current
charge, pre-charge, constant-current charge,
and constant-voltage charge.
In the absence of an input source, the MP2673
switches to boost mode to power SYS from the
battery. The IC can provide a wide boost voltage
to SYS by adjusting the feedback voltage at FB.
With the I2C interface, the IC can flexibly
program charging and boosting parameters such
as input current limit, charging current, battery
regulation (charge full) voltage, safety timer,
boost output current limit, etc. The MP2673 can
also provide the operation status through the I2C
registers and remaining battery capacity via four
LEDs.
To guarantee safe operation, the IC limits the die
temperature to a preset value of 120°C (default).
Other safety features include input over-voltage
protection (OVP), battery over-voltage protection
(OVP), thermal shutdown, and battery
temperature monitoring.
The MP2673 is available in a QFN-28
(4mmx4mm) package.
FEATURES
4.0V to 14V Operation Voltage Range
Up to 24V Sustainable Input Voltage
BC1.2 Detection with I2C Programmable
DP1/DM1 Control
Integrated Input-Current-Based and Input-
Voltage-Based Power Management
Function
Up to 4.5A Programmable Charge Current
Reverse Boost Operation Mode with up to
3A Output Current and Adjustable 5V to
12V Output Voltage
Analog Voltage Output IB Pin for Battery
Current Monitor
Programmable 3.1 - 4.675V Charge Voltage
with 0.5% Accuracy
Four-LED Battery Gauge Indicators
JEITA-Compatible Negative Temperature
Coefficient (NTC) Protection
Programmable Timer Back-Up Protection
Thermal Regulation and Thermal Shutdown
USB Output Cable Impedance
Compensation
Integrated Short-Circuit Protection (SCP) for
Boost Mode
Integrated Short-Circuit Protection (SCP)
and Over-Voltage Protection (OVP) for
Pass-Through Path
Integrated 8-Bit SAR ADC for Battery-
Voltage Measurement
APPLICATIONS
Sub-Battery Applications
Power-Bank Applications for Smart phones,
Tablets, and Other Portable Devices
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.
MP2673 Rev. 1.0
12/7/2018
www.MonolithicPower.com
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2018MPS. All Rights Reserved.
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