Datasheet > ADP5065CB-EVALZ

ADP5065CB-EVALZ

更新时间： 2024-11-27 02:52:23

品牌	Logo	应用领域
亚德诺 - ADI		电池
页数	文件大小	规格书
40页	964K
描述
Fast Charge Battery Manager with Power Path and USB Compatibility

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ADP5065CB-EVALZ 数据手册

Fast Charge Battery Manager with Power

Path and USB Compatibility

ADP5065

Data Sheet

FEATURES

FUNCTIONAL BLOCK DIAGRAM

3 MHz switch mode charger

ADP5065

VBUS

SYSTEM

USB

VINx

SWx

INDUCTOR

1.25 A charge current from dedicated charger

Up to 680 mA charging current from 500 mA USB host

Operating input voltage from 4.0 V up to 5.5 V

Tolerant input voltage −0.5 V to +20 V (USB VBUS)

Dead battery isolation FET between battery and

charger output

Battery thermistor input with automatic charger shutdown

for when battery temperature exceeds limits

Compliant with the JEITA Li-Ion battery charging

temperature specification

3MHz

BUCK

PGNDx

ISO_Sx

CFILT

IIN_EXT

TRK_EXT

SCL

ISO_Bx

CHARGER

CONTROL

BLOCK

BAT_SNS

SDA

Li-Ion

THR

SYS_ON_OK

V_WEAK_SET

AGND PGNDx

SYS_EN_OK flag to hold off system turn-on until battery is at

minimum required level for guaranteed system startup

due to minimum battery voltage and/or minimum battery

charge level requirements

Figure 1.

EOC programming with C/20, C/10 and specific current level

selection

APPLICATIONS

Digital still cameras

Digital video cameras

Single cell Li-Ion portable equipment

PDA, audio, GPS devices

Mobile phones

GENERAL DESCRIPTION

The ADP5065 charger is fully compliant with the USB 2.0,

USB 3.0, and USB Battery Charging Specification 1.1 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 ADP5065 can be set to apply the correct

current limit for optimal charging and USB compliance.

The ADP5065 comes in a very small and low profile 20-lead

WLCSP (0.5 mm pitch spacing) package.

The ADP5065 operates from a 4 V to 5.5 V input voltage range

but is tolerant of voltages of up to 20 V. This alleviates the

concerns about the USB bus spiking during disconnect or

connect scenarios.

The overall solution requires only five small, low profile external

components consisting of four ceramic capacitors (one of which

is the battery filter capacitor), one multilayer inductor. In addition

to these components, there is one optional dead battery situation

default setting resistor. This configuration enables a very small

PCB area to provide an integrated and performance enhancing

solution to USB battery charging and power rail provision.

The ADP5065 also features an internal FET between the dc-to-

dc 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

connection to a USB power supply.

Rev. D

Document Feedback

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.

Technical Support

www.analog.com

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