Datasheet > ETA4016

ETA4016

更新时间： 2024-09-18 17:01:31

品牌	Logo	应用领域
钰泰 - ETA		/
页数	文件大小	规格书
7页	402K
描述
120mA Linear 4.2V Charger

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ETA4016 数据手册

ETA4016

16V/120mA, 1mA Termination Current Linear Charger

DESCRIPTION

FEATURES

ETA4016 is a single cell, fully integrated constant current

(CC)/constant voltage (CV) Li-ion battery charger. Its

compact package with minimum external components

requirement makes the ETA4016 ideal for portable

applications. No external sense resistor or blocking

diode is necessary for the ETA4016. Build-in thermal

feedback mechanism regulates the charge current to

control the die temperature during high power operation

or at elevated ambient temperature. The ETA4016 has

a pre-charge function for trickle charging deeply

discharged batteries. The fast charge current can be

programmed by an external resistor. CV regulation

mode is automatically enabled once the battery’s

charging curve reaches the constant voltage portion.

The output current then decays and is finally terminated

once the charge current drops to 1/10th of the

programmed value. The ETA4016 keeps monitoring the

battery voltage and enables a new charge cycle once

the voltage drops by 120mV below the CV value.



16V input standoff voltage

4.2V charge termination voltage

1mA termination current

2.9V trickle charge threshold

Charge current programmable, up to 120mA

250nA BAT current when no charging

Soft-start limits in-rush current

DFN2x2-8

APPLICATIONS



E-cigarette

Toys

Bluetooth applications

Li-ion battery powered devices

ETA4016 is in a DFN2x2-8 package.

TYPICAL APPLICATION

VIN

BAT

NTC

VBAT/ VSYS

1uF

4.7uF

Li⁺

Battery

STAT

ETA4016

STDBY

R_ISET

ISET

GND

STDBY , NTC and EN pins are not available on SOT23-6 package

PART No.

PACKAGE

TOP MARK

Pcs/Reel

ORDERING INFORMATION

EG|YW

ETA4016D2I

DFN2x2-8

3000

www.etasolution.com

Powering Minds of the Smart

12 3 4 5 6 7

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