Datasheet > AAP2154

AAP2154

更新时间： 2024-09-09 05:34:39

品牌	Logo	应用领域
德信 - EUTECH		电池
页数	文件大小	规格书
16页	446K
描述
Standalone Linear Li-Ion Battery Charger With Thermal Regulation in ThinSOT

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AAP2154 数据手册

芯美子

AAP2154

Standalone Linear Li-Ion Battery Charger

With Thermal Regulation in ThinSOT

FEATURES

DESCRIPTION

The AAP2154 is a complete constant-current/constant-

voltage linear charger for single cell lithium-ion batteries.

Its ThinSOT package and low external component count

make the AAP2154 ideally suited for portable applications.

Furthermore, the AAP2154 is specifically designed to

work within USB power specifications.

Programmable Charge Current Up to 800mA

No MOSFET, Sense Resistor or Blocking Diode

Required

Complete Linear Charger in ThinSOT Package for

Single Cell Lithium-ion Batteries

Constant-Current/Constant-Voltage Operation with

Thermal Regulation to Maximize Charge Rate

Without Risk of Overheating

No external sense resistor is needed, and no blocking

diode is required due to the internal MOSFET architecture.

Thermal feedback regulates the charge current to limit the

die temperature during high power operation or high

ambient temperature. The charge voltage is fixed at 4.2V,

and the charge current can be programmed externally with

a single resistor. The AAP2154 automatically terminates

the charge cycle when the charge current drops to 1/10th

the programmed value after the final float voltage is

reached.

Charges Single Cell Li-Ion Batteries Directly from

USB Port

Preset 4.2V Charge Voltage with ± 1% Accuracy

Charge Current Monitor Output for Gas Gauging

Automatic Recharge

Charge Status Output Pin

C/10 Charge Termination

25µA Supply Current in Shutdown

2.9V Trickle Charge Threshold

Soft-Start Limits Inrush Current

Available in TSOT-25 Package

When the input supply (wall adapter or USB supply) is

removed, the AAP2154 automatically enters a low current

state, dropping the battery drain current to less than 2µA.

The AAP2154 can be put into shutdown mode, reducing

the supply current to 25µA.

Other features include charge current monitor,

undervoltage lockout, automatic recharge and a status pin

to indicate charge termination and the presence of an input

voltage.

RoHS Compliant and 100% Lead (Pb)-Free

APPLICATIONS

Cellular Telephones/ PDAs/ MP3 Players

Charging Docks and CradIes

Bluetooth Applications

DS2154 Ver1.0 Aug. 2007

系：15999644579 83151715

12 3 4 5 6 7...16

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与AAP2154相关器件

型号	品牌	获取价格	描述	数据表
AAP2406	EUTECH	获取价格	1.5MHz, 600mA Synchronous Step-Down Converter
AAP2584	ETC	获取价格	White LED Step-Up Converter In Tiny SOT-23 Package
AAP2917	ETC	获取价格	300mA, High PSRR Low-Noise LDO
AAP2967	ETC	获取价格	300mA Low-Noise Low-Dropout Linear Regulator
AAP2967-15VIR1	EUTECH	获取价格	Fixed Positive LDO Regulator, 1.5V, 0.2V Dropout, PDSO5, ROHS COMPLIANT, SOT23, 5 PIN
AAP2967-18VIR1	EUTECH	获取价格	Fixed Positive LDO Regulator, 1.8V, 0.2V Dropout, PDSO5, ROHS COMPLIANT, SOT23, 5 PIN
AAP2967-25VIR1	EUTECH	获取价格	Fixed Positive LDO Regulator, 2.5V, 0.2V Dropout, PDSO5, ROHS COMPLIANT, SOT23, 5 PIN
AAP2967-28VIR1	EUTECH	获取价格	Fixed Positive LDO Regulator, 2.8V, 0.2V Dropout, PDSO5, ROHS COMPLIANT, SOT23, 5 PIN
AAP2967-30VIR1	EUTECH	获取价格	Fixed Positive LDO Regulator, 3V, 0.2V Dropout, PDSO5, ROHS COMPLIANT, SOT23, 5 PIN
AAP2967-33VIR1	EUTECH	获取价格	Fixed Positive LDO Regulator, 3.3V, 0.2V Dropout, PDSO5, ROHS COMPLIANT, SOT23, 5 PIN

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