Datasheet > ETA6005Q3Q-T

ETA6005Q3Q-T

更新时间： 2022-02-26 13:03:50

品牌	Logo	应用领域
钰泰 - ETA		/
页数	文件大小	规格书
1页	186K
描述
2.5A / 4.35V, 3MHz Switching Charger with Dynamic Power Path Management

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ETA6005Q3Q-T 数据手册

ETA6005

2.5A / 4.35V, 3MHz Switching Charger with Dynamic Power Path Management

DESCRIPTION

ETA6005 is a switching Li-Ion battery charger with dynamic power-path control and input current limiting.

When a battery is connected, depending on the battery voltage, the DC-DC switching regulator either pre-conditions, fast-charges the battery

or just regulates a system voltage (V_SYS) to a preset voltage. It does not require an external sense resistor for current sensing. The fast-

charging current is determined by programming ISET1 or ISET2 pin, depending on the state of the USB_DET. If USB_DET is high, indicating n

valid USB inputis present, the fastcharge currentis setbyISET2; otherwise, itis setbyISET1. When the battery voltage reaches the termination

voltage i.e. 4.35V, the charging path disconnects SYS to BATT. The ETA6005 also includes a dynamic power path when the SYS load current

exceeds current limit of the DCDC regulator internally set, the SYS voltage falls below V_BATT, ETA6005 turns on the power-path to supplement

the system load through the battery.

FEATURES

APPLICATIONS



Switching Charger with Power Path Management

Up to 95% DC-DC Efficiency

50mΩ Power Path MOSFET

Up to 2.5A Max charging current

4.35V charging termination voltage

Instant on with a dead Battery or no Battery

No battery detection

No External Sense resistor

Programmable USB and AC IN Charging Current



Tablet, MID

Smart Phone

Power Bank

ORDERING INFORMATION

PART

ETA6005Q3Q-T

PACKAGE PIN TOP MARK

QFN3X3-16

ETA+42

TYPICAL APPLICATION

5V INPUT

10uF

ENB

USB_DET

PGND

2.2uH

SYS

2.2K

SYS

22uF

BATT

SYSTEM

LOAD

ISET1

500Ω

ISET2

1uF

2KΩ

NTC

2A Switching Charger with Dynamic Power Path

www.ETAsolution.com

Outperform with Efficiency

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