Datasheet > ETA9184

ETA9184

更新时间： 2024-04-09 19:03:12

品牌	Logo	应用领域
钰泰 - ETA		/
页数	文件大小	规格书
11页	517K
描述
3 in 1,charger+boost+fuel gauge

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ETA9184 数据手册

ETA9184

Ultra Low Power 5V Boost Converter, 20V Linear Charger and Fuel

Gauge All-in-One Solution for TWS Charge Cradle

DESCRIPTION

FEATURES

The ETA9184 is an all-in-one solution for TWS

charge cradle. It includes a 20V single cell Li+ battery

linear charger, a 5V Boost synchronous converter

with true-shutoff function and a Fuel Gauge with LED

indication.

 Ultra low boost standby Iq , Ibat<10uA

 20V Charge input standoff voltage

 4.2V/4.35V charge termination voltage

 Charge current programmable

 Boost output disconnect and SCP

 5V/1.0A output power

 Up to 96% Efficiency for boost

 Fuel Gauge and LED indicators

 NTC thermistor input

The linear charger is fully integrated with constant

current (CC) / constant voltage (CV) control module

and a charge FET. The integrated low power 5V

Boost converter is capable of delivering 1.0A current

at 5V output. It can be shut down by pulling the

ENBST pin low. The true shut down feature

disconnect output from the BAT thereby further

decreasing the system standby power. There are 4

LEDs driven by 3 output pins to indicate the

charge/discharge status and battery level.

 Logic Control Shutdown

 Thermal shutdown

 ESSOP10/ DFN3x3-10 Package

APPLICATIONS

The ETA9184 is ideal for applications such as a TWS

charging cradle that requires low standby power and

small PCB space.

 TWS BT earbuds charge case

 Bluetooth application

 Battery powered IOT module

 Power Bank

The ETA9184 is housed in a ESSOP10/DFN3x3-10

package

TYPICAL APPLICATION

ETA9184

VIN

VOUT

VIN

22uF

RISET

ISET

NTC

BAT

10uF

PULSE

2.2uH

DISCHRG

STAT

RNTC

18650

锂电池

ENBST

GND

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