ACT2813 datasheet(1/23 Pages) ACTIVE-SEMI

部件名	ACT2813

功能描述	5V/2.4A Power Bank Solution

PDF	23 Pages

Scroll/Zoom	100%

制造商	ACTIVE-SEMI [Active-Semi, Inc]

网页	http://www.active-semi.com

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1 / 23 page

Innovative PowerTM

- 1 -

www.active-semi.com

FEATURES

• Dedicated Single Chip Solution for Mobile Power

With Minimal Component Count

• 2.4A Continuous Output Current in Boost Mode

• 2.4A Switching Charger Current

• 96% Boost Efficiency (Vbat=4.1V)

• Adaptive to 10mA-2400mA Input Sources

• Battery Disconnection at Output Short

• <10µA Low Battery Leakage Current at HZ

Mode During Storage

• Boost Auto Turn-off at No Load and Push

Button Turn-on

• Battery Over Current, Over Voltage, Over

Temperature and Short Circuit Protections

• Boost Auto Startup with Load Detection

• Prioritized Power Path from Input to Output

• 5V+/-100mV Output Voltage in Boost Mode

• 1.1MHz/0.55MHz Switching Frequencies

• 2.2uH Inductor and Low Profile Ceramic

Capacitor

• 4 LEDs Battery Level and Status Indication

• Battery Impedance Compensation

• Full Cycle of Battery Charge Management

Preconditioning, Fast Charge, Top off and End

of Charge

• Charge Current Foldback at 110°C Die

Temperature

• IC Over Temperature Protection at 160°C

• FCQFN 4x4-20 Package

APPLICATIONS

• Power Bank

• Mobile Power

• Backup Battery Pack

• Standalone Battery Charger with USB Output

GENERAL DESCRIPTION

ACT2813/ACT2813C is a space-saving and high-

performance low-profile single-chip solution for

backup battery pack and standalone battery

charger. ACT2813/ACT2813C integrates all the

functions that a backup battery pack needs,

including switching charger, boost converter and

LED indication.

ACT2813/ACT2813C operates at 1.1MHz for

switching charger and 0.55MHz for boost converter

allowing tiny external inductor and capacitors.

ACT2813/ACT2813C provides a direct power path

from input to output while providing

power to

switching charger. Output has higher priority than

battery charger if the input current limit is reached.

ACT2813/ACT2813C charges battery with full cycle

of preconditioning, fast charge with constant current

and constant voltage until end of charge. The

battery charger is thermally regulated at 110°C with

charge current foldback.

ACT2813/ACT2813C boost converter steps battery

voltage up to 5V. Boost converter features high

efficiency, constant current regulation, short circuit

protection and over voltage protection.

ACT2813/ACT2813C provides 3.5mA constant

currents to drive 4 LEDs to indicate battery level

and

charge

status.

Battery

impedance

is

compensated for battery level indication.

5V/2.4A Power Bank Solution

Rev 2, 19-May-15

ACT2813/ACT2813C

Output Current (A)

0

0.4

0.8

1.2

1.6

2.0

2.4

2.8

5.5

5.0

4.5

4.0

3.5

3.0

Boost CC/CV Profile

VBAT =4.1V

VBAT =3.2V

VBAT =3.7V

类似零件编号 - ACT2813

制造商	部件名	数据表	功能描述
Active-Semi, Inc	ACT2813C	645Kb / 23P	5V/2.4A Power Bank Solution Rev 2, 19-May-15
	ACT2813CQY-T	645Kb / 23P	5V/2.4A Power Bank Solution Rev 2, 19-May-15
	ACT2813CQY-T0435	645Kb / 23P	5V/2.4A Power Bank Solution Rev 2, 19-May-15
	ACT2813QY-T	645Kb / 23P	5V/2.4A Power Bank Solution Rev 2, 19-May-15
	ACT2813QY-T0435	645Kb / 23P	5V/2.4A Power Bank Solution Rev 2, 19-May-15

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类似说明 - ACT2813

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Richtek Technology Corp...	RT9480	177Kb / 16P	Easy to Use Power Bank Solution
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