Datasheet > ETA4036

ETA4036

更新时间： 2024-09-18 17:01:35

品牌	Logo	应用领域
钰泰 - ETA		/
页数	文件大小	规格书
8页	463K
描述
1.2A Linear 3.65V Charger

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ETA4036 数据手册

ETA4036

1.2A/16V Fully Integrated Linear Charger for 1 Cell Lithium Phosphate Battery

DESCRIPTION

FEATURES



16V input standoff voltage

ETA4036 is a single cell, fully integrated constant

current (CC)/constant voltage (CV) Lithium Phosphate

battery charger. Its compact package with minimum

external components requirement makes the ETA4036

ideal for portable applications. No external sense

resistor or blocking diode is necessary for the

ETA4036. Build-in thermal feedback mechanism

regulates the charge current to control the die

temperature during high power operation or at elevated

ambient temperature. The ETA4036 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 ETA4036 keeps monitoring the battery

voltage and enables a new charge cycle once the

voltage drops by 120mV below the CV value.

3.65V charge termination voltage

2.2V trickle charge threshold

Charge current programmable, up to 1.2A

250nA BAT current when no charging

Soft-start limits in-rush current

ESOP8

APPLICATIONS



E-cigarette

Toys

Bluetooth applications

Lithium phosphate battery powered devices

ETA4036 is in an ESOP8 package.

TYPICAL APPLICATION

VIN

VBAT/VSYS

BAT

VIN

STAT

ETA4036

NTC

ISET

Open Drain

Li ⁺

Battery

STDBY

High to enable

GND

ISET

PART No.

PACKAGE TOP MARK

Pcs/Reel

ORDERING INFORMATION

ETA4036

YWW2L

ETA4036E8A

ESOP8

4000

www.etasolution.com

Empower, Transcend, Achieve!

12 3 4 5 6 7 8

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