MP2615B Datasheet: 1 Cell Li-ion Battery Charger





MP2615B 1 Cell Li-ion Battery Charger Datasheet

Part Number MP2615B
Description 1 Cell Li-ion Battery Charger
Manufacture MPS
Total Page 20 Pages
PDF Download Download MP2615B Datasheet PDF

Features: The Future of Analog IC Technology MP26 15B 2A, 1 Cell Li-ion Battery Charger I n 3mm x 3mm Package DESCRIPTION The MP 2615B is a monolithic switching charger for a 1 cell lithium-Ion or lithium-Po lymer battery packed with built-in powe r MOSFETs. It’s able to achieve up to 2A charge current which can be program med via an accurate sense resistor over the whole input range. MP2615B regulat es the charge current and full battery voltage using two control loops to real ize high accuracy constant current (CC) charge and constant voltage (CV) charg e. Thanks to the constant-off-time (COT ) mode control, 99% duty cycle can be a chieved when battery voltage is close t o the input voltage to keep the charge current always at a relative high level . Battery temperature and charging stat us are always monitored for each condit ion. Two status monitor output pins are provided to indicate the battery charg ing status and input power status. The MP2615B also features internal reverse blocking protection. The M.

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The Future of Analog IC Technology
MP2615B
2A, 1 Cell Li-ion Battery Charger
In 3mm x 3mm Package
DESCRIPTION
The MP2615B is a monolithic switching charger
for a 1 cell lithium-Ion or lithium-Polymer battery
packed with built-in power MOSFETs. It’s able
to achieve up to 2A charge current which can
be programmed via an accurate sense resistor
over the whole input range.
MP2615B regulates the charge current and full
battery voltage using two control loops to
realize high accuracy constant current (CC)
charge and constant voltage (CV) charge.
Thanks to the constant-off-time (COT) mode
control, 99% duty cycle can be achieved when
battery voltage is close to the input voltage to
keep the charge current always at a relative
high level.
Battery temperature and charging status are
always monitored for each condition. Two
status monitor output pins are provided to
indicate the battery charging status and input
power status. The MP2615B also features
internal reverse blocking protection.
The MP2615B is available in QFN-16
(3mmx3mm) package.
FEATURES
4.5V to 18V Operating Input Voltage
Up to 99% Duty Cycle Operation
Up to 2A Programmable Charging Current
±0.75% Full Battery Voltage Accuracy
4.03V and 3.99V Selection for Full Battery
Voltage
Full Integrated Power Switches
Internal Loop Compensation
No External Reverse Blocking Diode
Required
Preconditioning for Fully Depleted Battery
Charging Operation Indicator
Programmable Safety Timer
Thermal Shutdown Protection
Cycle-by-Cycle Over Current Protection
Battery Temperature Monitor and Protection
APPLICATIONS
Smart Phones
Portable Hand-held Solutions
Portable Media Players
All MPS parts are lead-free and adhere to the RoHS directive. For MPS green
status, please visit MPS website under Products, Quality Assurance page.
“MPS” and “The Future of Analog IC Technology” are registered trademarks of
Monolithic Power Systems, Inc.
ADAM (Analog Digital Adaptive Modulation) and AAM (Advanced Asynchronous
Mode) are trademarks of Monolithic Power Systems, Inc.
TYPICAL APPLICATION
5V/ 9V Input
R2
R1
RNTC
R3
ON OFF
VIN
CHGOK
SW
BST
C7
ACOK MP2615B CSP
VREF
BATT
NTC
TMR
EN SEL
AGND PGND CELL
L RS1
Battery
C2
CTMR
90
85
80
75
700 0.5
1 1.5
2 2.5
MP2615B Rev. 1.0
www.MonolithicPower.com
3/17/2016
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2016 MPS. All Rights Reserved.
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