MP2660 Datasheet: I2C-Controlled Linear Charger





MP2660 I2C-Controlled Linear Charger Datasheet

Part Number MP2660
Description I2C-Controlled Linear Charger
Manufacture MPS
Total Page 30 Pages
PDF Download Download MP2660 Datasheet PDF

Features: The Future of Analog IC Technology MP26 60 5V USB, 500mA, I2C-Controlled Linear Charger with Power Path Management for Single-Cell Li-Ion Battery DESCRIPTIO N The MP2660 is a highly integrated, si ngle-cell, Li-ion/Li-polymer battery ch arger with system power path management for space-limited portable application s. This device takes input power from e ither an AC adapter or a USB port to su pply the system load and charge the bat tery independently. The charger section features trickle charge, constant curr ent (CC) and constant voltage (CV) regu lation, charge termination, and auto-re charge. The power path management funct ion ensures continuous power to the sys tem even with a dead battery by automat ically selecting the input, the battery , or both to power the system. This pow er stage features a low dropout regulat or from the input to the system and a 1 00mΩ switch from the battery to the s ystem. Power path management separates the charging current from the system load, which allows for prope.

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The Future of Analog IC Technology
MP2660
5V USB, 500mA, I2C-Controlled Linear
Charger with Power Path Management
for Single-Cell Li-Ion Battery
DESCRIPTION
The MP2660 is a highly integrated, single-cell,
Li-ion/Li-polymer battery charger with system
power path management for space-limited
portable applications. This device takes input
power from either an AC adapter or a USB port
to supply the system load and charge the
battery independently. The charger section
features trickle charge, constant current (CC)
and constant voltage (CV) regulation, charge
termination, and auto-recharge.
The power path management function ensures
continuous power to the system even with a
dead battery by automatically selecting the
input, the battery, or both to power the system.
This power stage features a low dropout
regulator from the input to the system and a
100mswitch from the battery to the system.
Power path management separates the
charging current from the system load, which
allows for proper charge termination and keeps
the battery in full-charge mode.
The MP2660 provides system short-circuit
protection (SCP) by limiting the current from the
input to the system and the battery to the
system. This feature is especially critical for
preventing the Li-ion battery from being
damaged due to excessively high currents. An
on-chip battery under-voltage lockout (UVLO)
cuts off the path between the battery and the
system if the battery voltage drops below the
programmable battery UVLO threshold, which
prevents the Li-ion battery from being over-
discharged. An integrated I2C control interface
allows the MP2660 to program the charging
parameters including the input current limit,
input voltage regulation limit, charging current,
battery regulation voltage, safety timer, and
battery UVLO.
The MP2660 is available in a 9-pin WLCSP
(1.55mmx1.55mm) package.
FEATURES
Compatible with 5V USB power sources
Fully Autonomous Charger for Single-Cell
Li-Ion/Li-Polymer Batteries
Complete Power Path Management for
Simultaneously Powering the System and
Charging the Battery
Programmable Input Current Limit and
Minimum Input Voltage Regulation
Thresholds
±0.5% Charging Voltage Accuracy
13V Maximum Voltage for the Input Source
I2C Interface for Programming Charging
Parameters and Status Reporting
Fully Integrated Power Switches and No
External Blocking Diode Required
Built-In Robust Charging Protection
Including Battery Temperature Monitoring
and Programmable Timer
Built-In Battery Disconnection Function for
shipping mode
Thermal Limiting Regulation on the Chip
Available in an ultra-compact WLCSP-9
(1.55mmx1.55mm) Package
APPLICATIONS
Wearable Devices
Smart Handheld Devices
Fitness Accessories
Smart Watches
Bluetooth Headphones
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.
MP2660 Rev. 1.02
www.MonolithicPower.com
6/11/2019
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2019 MPS. All Rights Reserved.
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