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GRM21BR61E106MA73

Description
Tiny I2C Programmable Linear Battery Charger
File Size624KB,44 Pages
ManufacturerADI
Websitehttps://www.analog.com
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GRM21BR61E106MA73 Overview

Tiny I2C Programmable Linear Battery Charger

Tiny I
2
C Programmable Linear Battery Charger
with Power Path and USB Mode Compatibility
Data Sheet
FEATURES
2.6 mm × 2 mm WLCSP package
Fully programmable via I
2
C
Flexible digital control inputs
Up to 2.1 A current from an ac charger in LDO mode
Operating input voltage from 4.0 V to 6.7 V
Tolerant input voltage from −0.5 V to +20 V (USB VBUS)
Fully compatible with USB 3.0 and USB Battery Charging
Specification 1.2
Built-in current sensing and limiting
As low as 30 mΩ battery isolation FET between battery and
charger output
Thermal regulation prevents over heating
Compliant with JEITA 1 and JEITA 2 Li-Ion battery charging
temperature specifications
SYS_EN flag permits the system to be disabled until battery is at
minimum required level for guaranteed system start-up
AC OR
USB
ADP5061
TYPICAL APPLICATION CIRCUIT
ADP5061
VBUS
C1
10µF
VIN
CBP
C2
10nF
ISO_S
SYSTEM
C3
47µF
PROGRAMMABLE
SCL
SDA
DIG_IO1
DIG_IO2
DIG_IO3
SYS_EN
CHARGER
CONTROL
BLOCK
ISO_B
BAT_SNS
+
Li-ion
C4
22µF
THR
ILED
AGND
VLED
10544-001
Figure 1.
APPLICATIONS
Digital still cameras
Digital video cameras
Single cell Li-Ion portable equipment
PDAs, audio, and GPS devices
Portable medical devices
Mobile phones
GENERAL DESCRIPTION
The
ADP5061
charger is fully compliant with USB 3.0 and the
USB Battery Charging Specification 1.2 and enables charging
via the mini USB VBUS pin from a wall charger, car charger, or
USB host port.
The
ADP5061
operates from a 4 V to 6.7 V input voltage range
but is tolerant of voltages up to 20 V. The 20 V voltage tolerance
alleviates the concerns about the USB bus spiking during dis-
connect or connect scenarios.
The
ADP5061
features an internal FET between the linear
charger output and the battery. This permits battery isolation
and, hence, system powering under a dead battery or no battery
scenario, which allows for immediate system function on connec-
tion to a USB power supply.
Based on the type of USB source, which is detected by an external
USB detection chip, the
ADP5061
can be set to apply the correct
current limit for optimal charging and USB compliance.
The
ADP5061
has three factory programmable digital input/output
pins that provide maximum flexibility for different systems.
These digital input/output pins permit combinations of features
such as, input current limits, charging enable and disable,
charging current limits, and a dedicated interrupt output pin.
Rev. 0
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other
rights of third parties that may result from its use. Specifications subject to change without notice. No
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Trademarks and registered trademarks are the property of their respective owners.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
www.analog.com
Fax: 781.461.3113
©2012 Analog Devices, Inc. All rights reserved.

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