Datasheet > ETA4116

ETA4116

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
8页	833K
描述
120mA Linear 4.35V Charger

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ETA4116 数据手册

ETA4116

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

DESCRIPTION

FEATURES

ETA4116 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 ETA4116 ideal for portable applications. No external sense

resistor or blocking diode is necessary for the ETA4116. Build-in

thermal feedback mechanism regulates the charge current to

control the die temperature during high power operation or at

elevated ambient temperature. The ETA4116 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 ETA4116

keeps monitoring the battery voltage and enables a new charge

cycle once the voltage drops by 120mV below the CV value.

ETA4116 is in a DFN2x2-8 package.



16V input standoff voltage

4.35V 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

RoHS Compliant

APPLICATIONS



E-cigarette

Toys

Bluetooth applications

Li-ion battery powered devices

TYPICAL APPLICATION

VIN

BAT

VBAT/VSYS

STAT

NTC

ISET

ETA4116

STDBY

Battery

R ^ISET

GND

PART No.

PACKAGE

TOP MARK

Pcs/Reel

ORDERING INFORMATION

N6YW

ETA4116D2I

DFN2x2-8

3000

www.etasolution.com

Empower, Transcend, Achieve!

ETA4116 Rev 1.0

12 3 4 5 6 7 8

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