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GRM21BR61E106MA73 PDF预览

GRM21BR61E106MA73

更新时间: 2024-11-13 07:18:43
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亚德诺 - ADI 电池
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44页 637K
描述
Tiny I2C Programmable Linear Battery Charger

GRM21BR61E106MA73 数据手册

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Tiny I2C Programmable Linear Battery Charger  
with Power Path and USB Mode Compatibility  
Data Sheet  
ADP5061  
FEATURES  
TYPICAL APPLICATION CIRCUIT  
2.6 mm × 2 mm WLCSP package  
ADP5061  
SYSTEM  
Fully programmable via I2C  
ISO_S  
VBUS  
VIN  
AC OR  
USB  
CBP  
C3  
47µF  
Flexible digital control inputs  
C1  
10µF  
C2  
10nF  
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  
SCL  
SDA  
ISO_B  
CHARGER  
CONTROL  
BLOCK  
C4  
22µF  
BAT_SNS  
DIG_IO1  
DIG_IO2  
DIG_IO3  
Li-ion  
+
THR  
Built-in current sensing and limiting  
SYS_EN  
As low as 30 mΩ battery isolation FET between battery and  
charger output  
ILED  
VLED  
AGND  
Thermal regulation prevents over heating  
Compliant with JEITA 1 and JEITA 2 Li-Ion battery charging  
temperature specifications  
Figure 1.  
SYS_EN flag permits the system to be disabled until battery is at  
minimum required level for guaranteed system start-up  
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  
scenario, which allows for immediate system function on connec-  
tion to a USB power supply.  
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.  
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 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 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.  
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  
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  
rightsof third parties that may result fromits 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 andregisteredtrademarks 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  
Fax: 781.461.3113  
www.analog.com  
©2012 Analog Devices, Inc. All rights reserved.  
 
 
 
 

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